RP Device Flagstaff Standards

382
8/16/2019 RP Device Flagstaff Standards http://slidepdf.com/reader/full/rp-device-flagstaff-standards 1/382  TITLE 13 TABLE OF CONTENTS Engineering Design Standards 1 Effective May 17, 2012 FLAGSTAFF CITY CODE, TITLE 13 ENGINEERING DESIGN STANDARDS AND SPECIFICATIONS FOR NEW INFRASTRUCTURE CHAPTERS: 13-01 Administrative Enactments, Agency Controls and Reviews, and Work in Public Rights-of-Way 13-01-001 Administrative Enactments 13-01-002 Agency Controls and Reviews 13-01-003 Work in Public Rights-of-Way 13-02 Mapping 13-02-001 Concept Plats, Site Plans, and Preliminary Plats 13-03 RESERVED FOR FUTURE USE 13-04 Easements, Rights-of-Way, and Vacations 13-04-001 Easements 13-04-002 Rights-of-Way 13-05 Engineering Design Reports 13-05-001 Engineering Design Reports 13-06 Construction Plans 13-06-001 General 13-06-002 Plans 13-06-003 Grading Plans 13-06-004 Drainage Plans 13-06-005 Water and Sewer Plans 13-06-006 Street Plans 13-06-007 General Notes 13-06-008 Construction Traffic Control Plans 13-06-009 Franchise Utility Plans 13-07 Grading 13-07-001 Design Criteria 13-07-002 Soils Analysis 13-08 Stormwater Management 13-08-001 Stormwater Management 13-09 Water, Sewer, and Other Underground Utilities 13-09-001 Underground Utilities 13-09-002 Sewer System Design 13-09-003 Water System Design 13-09-004 City Participation In Utility Extension

Transcript of RP Device Flagstaff Standards

Page 1: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 1/382

  TITLE 13

TABLE OF CONTENTS

Engineering Design Standards 1 Effective May 17, 2012

FLAGSTAFF CITY CODE,

TITLE 13ENGINEERING DESIGN STANDARDS AND SPECIFICATIONS

FOR NEW INFRASTRUCTURE

CHAPTERS:

13-01  Administrative Enactments, Agency Controls and Reviews, and Work in

Public Rights-of-Way

13-01-001  Administrative Enactments13-01-002  Agency Controls and Reviews13-01-003  Work in Public Rights-of-Way

13-02  Mapping

13-02-001  Concept Plats, Site Plans, and Preliminary Plats

13-03 RESERVED FOR FUTURE USE

13-04  Easements, Rights-of-Way, and Vacations

13-04-001  Easements

13-04-002  Rights-of-Way

13-05  Engineering Design Reports

13-05-001  Engineering Design Reports

13-06  Construction Plans

13-06-001  General

13-06-002  Plans

13-06-003  Grading Plans13-06-004  Drainage Plans

13-06-005  Water and Sewer Plans13-06-006  Street Plans13-06-007  General Notes

13-06-008  Construction Traffic Control Plans

13-06-009  Franchise Utility Plans

13-07  Grading

13-07-001  Design Criteria

13-07-002  Soils Analysis

13-08  Stormwater Management

13-08-001  Stormwater Management

13-09  Water, Sewer, and Other Underground Utilities

13-09-001  Underground Utilities13-09-002  Sewer System Design

13-09-003  Water System Design13-09-004  City Participation In Utility Extension

Page 2: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 2/382

  TITLE 13

TABLE OF CONTENTS

Engineering Design Standards 2 Effective May 17, 2012

13-09-005  Recapture Agreement

13-09-006  Sewer And Water Line Materials And Construction13-09-007  Reclaimed Wastewater System Design

13-10  Streets

13-10-001  Street Layout13-10-002  Street Design

13-10-003  Street Naming And Addressing

13-10-004  Dead End Streets13-10-005  Alleys

13-10-006  Intersection Design13-10-007  Horizontal Alignment13-10-008  Vertical Alignment

13-10-009  Structural Section

13-10-010  Driveways13-10-011  Resource And Slope Design Criteria13-10-012  Standards For Thoroughfares Applied In Traditional Neighborhood

Districts

13-10-013  Use Of Uncompleted Streets Within A Subdivision

13-11  Survey

13-11-001  Surveys

13-12  Street Lighting

13-12-001  General

13-12-002  Lighting Required13-12-003  Lighting Layout13-12-004  Pedestrian Lighting

13-12-005  Street Light Equipment

13-12-006  Plan Submittals 13-12-007  Modifications to the Existing System

13-12-008  Repair and Replacement

13-13  Fire Safety Requirements

13-13-001  Fire Safety Requirements13-13-002  Fire Flow13-13-003  Fire Hydrants

13-13-004  Access13-13-005  Addressing

13-13-006  Reservoir Capacity

13-13-007  Mains13-13-008  Power Supply and Pumps13-13-009  Fire Sprinkler Lines

13-14  Bicycle Facilities

13-14-001  Bicycle Facilities

13-15  Work in Public Rights-of-Way and Easements

13-15-001  Permit Requirements

Page 3: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 3/382

  TITLE 13

TABLE OF CONTENTS

Engineering Design Standards 3 Effective May 17, 2012

13-16  Traffic Signals, Signing, and Pavement Markings

13-16-001  General

13-16-002  Signal Design Elements13-16-003  Signal Equipment

13-16-004  Signal Construction

13-16-005  Traffic Signing13-16-006  Pavement Markings

13-17  Erosion Control

13-17-001  Erosion Control

13-18  Landscaping Standards for Rights-of-Way

13-18-001  Intent, Purpose, Applications, and Enforcement/Waiver13-18-002  Landscape Design13-18-003  Material Selection

13-18-004  Installation, Placement, and Planting

13-18-005  Maintenance13-18-006  Tree Protection Measures

13-18-007  City of Flagstaff Rights13-18-008  Enforcement13-18-009  Definitions, Tables, and Selected Details

13-19  Irrigation Systems

13-19-001  Criteria

13-19-002  Irrigation Plans13-19-003  System Flushing and Testing

13-19-004  Products, Material, and Equipment

13-20 RESERVED FOR FUTURE USE

13-21  Revisions to M.A.G. Uniform Standards Specifications and M.A.G.Uniform Standards Details

13-21-001  Revisions to M.A.G. Uniform Standard Specifications13-21-002  Revisions to M.A.G. Uniform Standard Details

13-22  Glossary

13-23  Standard Drawings

Page 4: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 4/382

  CHAPTER 13-1

ADMINISTRATIVE ENACTMENTS, AGENCY CONTROLS AND REVIEWS,

AND WORK IN PUBLIC RIGHTS-OF-WAY

Engineering Design Standards 4 Effective May 17, 2012

Sections:

13-01-001  Administrative Enactments

13-01-002  Agency Controls and Reviews13-01-003  Work in Public Rights-of-Way

Sections:

13-01-001  Administrative Enactments

13-01-001-0001  Adoption13-01-001-0002  Applicability

13-01-001-0003  Savings Clause13-01-001-0004  Violation and Penalties

13-01-001 Administrative Enactments

Section 13-01-001-0001 Adoption

 There ar e hereby adopt ed by t he Ci t y Counci l of t he Ci t y of Fl agst af fEngi neer i ng Desi gn St andar ds and Speci f i cat i ons f or New I nf r astr uct ur e, setout her ei n f or t he pur poses of pr omot i ng the publ i c heal t h, saf et y, andgener al wel f ar e, and t o mi ni mi ze publ i c and pr i vat e l osses due t o f ai l ur e ofi nf r ast r ucture i n t he Ci t y of Fl agst af f . These r egul at i ons shal l becont r ol l i ng f or publ i c and pr i vat e const r uct i on wi t hi n t he cor por at e l i mi t sof t he Ci t y of Fl agstaf f .

Section 13-01-001-0002 Applicability 

 The Engi neer i ng Desi gn Standar ds and Speci f i cat i ons f or New I nf r ast r uct ure are

appl i cabl e t o the desi gn and anal ysi s of st r eet s, cur bs, gut t er s, si dewal ks,wat er l i nes, sewer l i nes, and ot her f aci l i t i es f or bot h publ i c i mpr ovement andpr i vat e devel opment pr oj ect s wi t hi n t he Ci t y of Fl agst af f .

 The engi neer i ng r egul at i ons est abl i shed herei n are based on acceptedengi neer i ng pr ocedur es and cr i t er i a.

Section 13-01-001-0003 Savings Clause

Nothi ng i n t hi s Ti t l e shal l be const r ued t o af f ect any sui t or pr oceedi ng nowpendi ng i n any cour t , or any r i ght s acqui r ed, or l i abi l i t y i ncur r ed, or anycause or causes of act i on acqui r ed or exi st i ng, under any act or or di nancesr epl aced her eby. Nor shal l any r i ght or r emedy of any charact er be l ost ,i mpai r ed, or af f ect ed by t hi s Chapt er .

Section 13-01-001-0004 Violations and Penalties

A. Vi ol at i ons. I t shal l be unl awf ul f or any per son, f i r m or cor por at i on t oer ect , const r uct , enl ar ge, al t er , r epai r , move, i mpr ove, r emove, conver t ,demol i sh, equi p, use or mai nt ai n publ i c or pr i vat e i nf r ast r uct ur e orper mi t t he same t o be done i n vi ol at i on of t hi s Chapt er .

B. Penal t i es. Any per son, f i r m, or cor por at i on vi ol at i ng any pr ovi si on oft hi s Code shal l be deemed gui l t y of a mi sdemeanor , and upon convi ct i ont her eof , shal l be puni shabl e by a f i ne and/ or i mpr i sonment set f or t h by

Page 5: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 5/382

  CHAPTER 13-1

ADMINISTRATIVE ENACTMENTS, AGENCY CONTROLS AND REVIEWS,

AND WORK IN PUBLIC RIGHTS-OF-WAY

Engineering Design Standards 5 Effective May 17, 2012

t he gover ni ng l aws of t he j ur i sdi ct i on. Each separat e day or any por t i ont her eof , dur i ng whi ch any vi ol at i on of t hi s Code occur s or cont i nues,shal l be deemed t o const i t ut e a separate of f ense.

Sections:

13-01-002  Agency Controls and Reviews

13-01-002-0001  City13-01-002-0002  County13-01-003-0003  State

13-01-002-0004  Federal13-01-002-0005  Utility Companies

Section 13-01-002 Agency Controls and Reviews

Section 13-01-002-0001 City

A. Al l desi gn and const r uct i on f or publ i c i mpr ovement s shal l be done i naccor dance wi t h:

1. Fl agst af f Ci t y Code, Ti t l e 13, Engi neer i ng Desi gn and Const r uct i onSt andar ds and Speci f i cat i ons f or New I nf r ast r uct ur e.

2. The cur r ent Mari copa Associ at i on of Government s Uni f orm St andardSpeci f i cat i ons f or Publ i c Works Const r uct i on ( MAG Specs - l at estr evi si ons) and the cur r ent Mari copa Associ at i on of Gover nment sUni f or m St andar d Det ai l s f or Publ i c Wor ks Const r uct i on ( MAG Det ai l s- l ates t r evi s i ons ) .

B. Ot her st andar ds t hat wi l l appl y when appl i cabl e shal l i ncl ude but ar e not

l i mi t ed t o:

1. Ci t y of Fl agst af f Zoni ng Code.

2. Cur r ent Ar i zona Depart ment of Transport at i on ( A. D. O. T. ) St andardsand Speci f i cat i ons.

3. Ci t y of Fl agst af f codes and or di nances.

4. The cur r ent Amer i can Soci et y f or Test i ng of Mater i al s ( ASTM)st andar ds and speci f i cat i ons.

5. The cur r ent Ar i zona Depar t ment of Envi r onment al Qual i t y (ADEQ)st andar ds.

6. The cur r ent Occupat i onal Saf et y and Heal t h Admi ni st r at i on ( OSHA)st andar ds.

7. The cur r ent Feder al Hi ghway Admi ni st r ati on Manual on Uni f or m Tr af f i cCont r ol Devi ces.

8. The cur r ent Ar i zona Suppl ement t o t he Manual on Uni f or m Traf f i cCont r ol Devi ces.

9. The curr ent Amer i can Wat er Works Associ at i on Standar ds ( AWWA) .

Page 6: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 6/382

  CHAPTER 13-1

ADMINISTRATIVE ENACTMENTS, AGENCY CONTROLS AND REVIEWS,

AND WORK IN PUBLIC RIGHTS-OF-WAY

Engineering Design Standards 6 Effective May 17, 2012

10. The cur r ent l y adopt ed Amer i can Associ at i on of St at e Hi ghways and Tr anspor t at i on Of f i ci al s ( AASHTO) pol i ci es.

11. Fl agst af f Ci t y Code, Ti t l e 5, Fi r e Regul at i ons. .

12. The cur r ent Nat i onal Fi r e Prot ect i on Associ at i on St andar ds.

13. The cur r ent l y adopt ed I nt er nat i onal Bui l di ng Codes.

14. The cur r ent l y adoped I nt er nat i onal Bui l di ng Code St andards.

15. The cur r ent Ci t y of Fl agst af f Stormwater Management Desi gn Manual .

15. Fl agst af f Ci t y Code, Ti t l e 12,   Fl oodpl ai ns.

16. Fl agst af f Ci t y Code, Ti t l e 11, Subdi vi si on Regul at i ons.

C. The Ci t y Engi neer or hi s aut hori zed r epr esent at i ve must r evi ew andappr ove al l engi neeri ng pl ans f or i mpr ovement s t o be const r uct ed i npubl i c r i ght s- of - way and easement s.

1. Per mi t s f r om t he Ci t y ar e r equi r ed f or wor k wi t hi n t he publ i c r i ght -of - way or easement s, and f or const r uct i on of any i mprovement s whi chwi l l become publ i c upon t hei r compl et i on.

2. I nspect i on of t he const r uct i on of publ i c i mpr ovement s wi l l beconduct ed by the Ci t y, and f i nal accept ance of t he const r uct i on byt he Ci t y Engi neer i s r equi r ed bef or e rel easi ng the per mi t andt r ansf er r i ng owner shi p of t he i mpr ovement s t o t he Ci t y. Upon

accept ance by t he Ci t y, t he i mpr ovement s shal l be guarant eed agai nstal l def ect s i n mat er i al and wor kmanshi p f or one year f r om t he dat et hey are accept ed by t he Ci t y Engi neer .

Section 13-01-002-0002 County

 The Count y r equi r es t hat a permi t be i ssued f r om i t s of f i ce f or any wor kwi t hi n t he Count y r i ght s- of - way or f or on- si t e wast e water di sposal systems.

13-01-002-0003 State

A. The Ar i zona Depar t ment of Tr anspor t at i on ( A. D. O. T. ) r equi r es t hat aper mi t be i ssued f r om i t s agency f or any wor k per f ormed i n St at e r i ght s-of - way. Shoul d new r i ght of way be cont empl at ed i n t he devel opment

pr ocess whi ch ant i ci pates bei ng est abl i shed i nt o the St ate Hi ghway Syst emby an Ar i zona Depar t ment of Transpor t at i on ( ADOT) Boar d Resol ut i on, t oi ncl ude f ee or easement r i ght s, t emporar y const r uct i on easement s,dr ai nage, access cont r ol , si gnal s, or any ot her i nci dent al use t her eof ,t he Ci t y and devel oper agr ee t o i mmedi at el y communi cat e and coordi nat ewi t h ADOT. At t hat t i me, ADOT wi l l pr ovi de f ur t her di r ect i on andgui dance on necessar y pr ocesses r equi r ed t o meet st at e st andards i n ordert o l egal l y est abl i sh t he new r i ght of way f or t he benef i t s of t het ravel l i ng publ i c .

B. Ar i zona Depart ment of Envi r onment al Qual i t y ( ADEQ) approval t o const r uct

Page 7: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 7/382

  CHAPTER 13-1

ADMINISTRATIVE ENACTMENTS, AGENCY CONTROLS AND REVIEWS,

AND WORK IN PUBLIC RIGHTS-OF-WAY

Engineering Design Standards 7 Effective May 17, 2012

wat er or sewer syst ems must be obt ai ned pr i or t o appr oval of const r uct i onpl ans by t he Ci t y Engi neer and i ssuance of a Publ i c Works Per mi t f r om t heCi t y. Such appr oval must al so be i ndi cat ed by not ati on of t he f i l enumber and appr oval dat e on t he cover sheet of t he wat er and sewer pl ans.Appr oval of const r uct i on shal l be obt ai ned pr i or t o oper at i ng new waterand sewer mai ns and pr i or t o obt ai ni ng associ at ed cer t i f i cat es ofoccupancy. I t shal l be t he sol e r esponsi bi l i t y of t he devel oper t oobt ai n al l appl i cabl e per mi t s and appr oval s f r om ADEQ.

Ar i zona Wat er Commi ssi on approval i s r equi r ed f or any pr oposed water syst emwhi ch does not t i e di r ect l y to t he Ci t y syst em.

13-01-002-0004 Federal

 The Uni t ed St at es Envi r onmental Pr ot ect i on Agency and ADEQ r egul at i onscont r ol pol l ut i on of noi se, ai r , water, and sewage. Any work must becoor di nat ed t hr ough al l cont r ol l i ng f eder al , st at e and l ocal agenci es.

Per mi t s f r om cont r ol l i ng f eder al agenci es ar e r equi r ed f or any wor k onf eder al l y owned l and.

13-01-002-0005 Utility Companies

A. Pr i or t o t he appr oval of const r ucti on pl ans by t he Ci t y, of f i ci al s of t hel ocal ut i l i t y compani es l i st ed bel ow shal l si gn t he cover sheet of t hepl ans f or publ i c i mpr ovement s. By si gni ng t hi s sheet , t he ut i l i t yconf i r ms t hat t hey have seen t he pl ans, are aware of t he scope of t hepr oj ect and have i dent i f i ed exi st i ng and pr oposed ut i l i t i es and t hei rpot ent i al conf l i cts i n r el at i on t o t he pr oj ect.

1. Ar i zona Publ i c Servi ce Company.

2. Uni Sour ce Ener gy Servi ces

3. Cent ur yLi nk

4. Suddenl i nk

5. Ci t y of Fl ags taf f Ut i l i t i es Di vi s i on.

6. Ot her s when appl i cabl e.

Page 8: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 8/382

  CHAPTER 13-1

ADMINISTRATIVE ENACTMENTS, AGENCY CONTROLS AND REVIEWS,

AND WORK IN PUBLIC RIGHTS-OF-WAY

Engineering Design Standards 8 Effective May 17, 2012

Sections:

13-01-003  Work in Public Ways13-01-003-0001  Qualifications of Designer

13-01-003-0002  Work Not Intended to Become Public Property (e.g., UtilityCompany Installations)

13-01-003-0003  Work Intended to Become Public Property

13-01-003-0004  Qualifications of Contractor

Section 13-01-003 Work in Public Ways

Section 13-01-003-0001 Qualifications of Designer

Al l pl ans and desi gns f or publ i c i mpr ovement s shal l be pr epared by apr of essi onal ci vi l engi neer r egi st er ed i n t he St at e of Ar i zona and shal l beart hei r seal and si gnat ur e. Sur vey l egal descri pt i ons and pl at s shal l bepr epared by a Land Sur veyor r egi st ered i n the St ate of Ar i zona and must bear

t hat Land Sur veyor ' s seal and si gnat ur e.

Section 13-01-003-0002 Work Not Intended to Become Public Property (e.g.,

Utility Company Installations)

Al l i mpr ovement s wi t hi n Ci t y ri ght s- of - way, not i nt ended t o become publ i cpr oper t y, shal l be const r uct ed or mai nt ai ned under t he t er ms of a f r anchi seagr eement or ot her aut hor i zat i on f r om t he Ci t y. The l ocat i on of suchf aci l i t i es , t hei r i nstal l at i on, and t he r estorat i on of t he ar ea af t eri nst al l at i on, shal l be done i n accor dance wi t h t hese r egul at i ons.

Section 13-01-003-0003 Work Intended to Become Public Property

Al l i mpr ovement s whi ch ar e i ntended t o become publ i c propert y shal l beconst r uct ed accordi ng t o t hese r egul at i ons, condi t i ons shown on t he Publ i cWorks Per mi t , and pl ans approved by t he Ci t y Engi neer .

Section 13-01-003-0004 Qualifications of Contractor

Al l i mpr ovement s shal l be const r uct ed by cont r act ors l i censed by the Ar i zonaSt at e Regi st r ar of Cont r actors, wi t h a cl ass of l i cense( s) appr opr i at e f ort he speci f i c work bei ng per f ormed.

Page 9: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 9/382

  CHAPTER 13-02

MAPPING

Engineering Design Standards 9 Effective May 17, 2012

Chapter 13-02

 MAPPING

Sections:

13-02-001  Concept Plats, Site Plans, and Preliminary Plats

13-02-001-0001  Mapping

13-02-001-0002  Topographic Precision

Section 13-02-001-0001 Mapping

A. A compl ete boundary survey based upon f i el d work shal l be per f ormed pr i ort o submi t t al of t he pr el i mi nary pl at , and document at i on of sai d surveyshal l be i ncl uded wi t h t hat submi t t al . I f t he boundary sur veyi nf ormat i on i s made a part of t he pr el i mi nary pl at , t hen t he surveyor whoper f ormed t he boundar y sur vey and t he engi neer who prepar ed t hepr el i mi nar y pl at shal l bot h seal and si gn t he pl at . I f t he boundar ysur vey i s a separate document , t hen i t shal l be cl ear l y ref er enced on t hepr el i mi nar y pl at , i ncl udi ng r ecor di ng i nf or mat i on. A sur vey r epor t shal lbe submi t t ed summar i zi ng t he resul t s of t he sur vey and expl ai ni ng t her esol ut i on of any pr obl ems encount er ed.

B. Mappi ng ( i ncl udi ng cont our s) of t he si t e and adj acent ar eas shal l besuf f i ci ent t o show cl ear l y t he i nf l uence of sur r oundi ng condi t i ons( t opogr aphy) as wel l as t he i nf l uence of t he pr oposed devel opment onsur r oundi ng condi t i ons.

 Topogr aphy i s subdi vi ded i nt o hypsography ( t he r el i ef f eat ures) ,

hydr ogr aphy ( t he wat er and dr ai nage f eat ures) , and cul t ur e ( man- madef eatur es) . A si ngl e f eatur e such as a mount ai n or val l ey i s termed at opogr aphi c f eat ur e. Al l of t he above ar e t opogr aphy.

C. Cont our i nt er val shal l be one f oot or t wo f eet , dependi ng on t he sl ope oft he ground and t he j udgment of t he Engi neer or Land Surveyor .

D. Al l ver t i cal dat um shal l be based upon a Ci t y appr oved benchmark ( i n NAVD88) . The sai d benchmark, al ong wi t h al l per t i nent i nf or mat i on, shal l benot ed on t he pr el i mi nary pl at .

E. Exi st i ng Ci t y maps may be ut i l i zed t o pr ovi de mappi ng r equi r ement s;however , i t wi l l be t he r esponsi bi l i t y of t he l and sur veyor who seal s t hepl at t o ver i f y that t he i nf or mat i on i s accur at e.

Section 13-02-001-0002 Topographic Precision Shall Be

A. Hor i zont al : Ni net y per cent of al l pl ani met r i c f eat ur es shal l be wi t hi n1/ 40 i nch of t hei r t r ue r el at i ve posi t i on and none shal l be i n er r or bymore t han 1/ 20 i nch.

B. Ver t i cal - Cont our : Ni net y per cent of any spot el evat i ons as det er mi nedf r om t he cont our s shal l be cor r ect wi t hi n 1/ 2 t he cont our i nt er val andnone shal l exceed one cont our i nt er val .

Page 10: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 10/382

  CHAPTER 13-02

MAPPING

Engineering Design Standards 10 Effective May 17, 2012

C. Ver t i cal - Spot El evat i ons: Ni net y per cent of t he spot el evat i ons shal lbe cor r ect wi t hi n 1/ 4 t he cont our i nt er val and al l shal l be cor r ectwi t hi n 1/ 2 t he cont our i nt er val . I n checki ng el evat i ons t aken f r om t hemap, apparent ver t i cal er r or may be decreased by assumi ng a hor i zont al

di spl acement wi t hi n t he per mi ssi bl e hor i zont al er r or f or a map of t hatscal e.

D. The t opogr aphi cal sur vey to be r ef erenced as t o compl eted by whom, whatmeans, and dat e.

E. The t ol er ances i ndi cated shal l be consi der ed mi ni mum r equi r ement s and t heCi t y shal l assume no r esponsi bi l i t y f or t he accur acy of t he f eat ur esr epr esent ed by t he Pr el i mi nar y Pl at .

Page 11: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 11/382

  CHAPTER 13-04

EASEMENTS AND RIGHTS-OF-WAY

Engineering Design Standards 11 Effective May 17, 2012

CHAPTER 13-04

EASEMENTS AND RIGHTS-OF-WAY

Sections

13-04-001  Easements13-04-002  Rights-of-Way

Sections:

13-04-001  Easements

13-04-001-0001  City Action

13-04-001-0002  Uses13-04-001-0003  Types

13-04-001-0004  Location13-04-001-0005  Easement Conveyance by other than a Final Plat

Section 13-04-001 Easements

Section 13-04-001-0001 City Action

A r evi ew of t he compl et ed i nst r ument s and al l l egal descr i pt i ons, exhi bi t sand maps shal l be made by t he Ci t y Engi neer pr i or t o Ci t y Counci l accept anceand r ecor dat i on. When an easement i s r equi r ed because of a new devel opment ,t he devel oper shal l pr ovi de t he l egal descr i pt i on and r ecor d t he easement .

Section 13-04-001-0002 Uses

Easement s are to be used when t he f ee t i t l e hol der deems i t undesi r abl e to

gi ve up f ee t i t l e f or t he descri bed area covered by t he easement . I n suchcase, t he gr ant or wi l l cont i nue to pay appr opr i at e pr oper t y t axes on t he ar eacover ed by the easement as no f ee t i t l e has been t r ansf er r ed. Ci t y pol i cy i st o requi r e easement s f or ut i l i t y l i nes, pedest r i an ways, and cer t ai ndr ai nage- ways. St r eet s, r oads and some dr ai nage- ways r equi r e warr ant y deeds.

Section 13-04-001-0003 Types

A. Typi cal easement pur poses ar e wat er , sewer , dr ai nage, publ i c ut i l i t y,si dewal k, wal kways, bi ke pat hs, ur ban t r ai l s, open space, sl ope,t emporar y t ur naround, publ i c servi ce access, and t emporary const r uct i oneasement s. But any pur pose agr eed upon by bot h par t i es wi l l const i t ut eval i d use. A vehi cul ar no- access rest r i ct i on may be r equi r ed by t heCi t y, wher e vehi cul ar access i s not appr opr i at e f or saf et y or l egalr easons.

B. Mor e t han one t ype of easement may occupy t he same ground, but i f cr eatedat di f f er ent t i mes, t he r i ght and use by the seni or gr ant may not bei nt erf ered wi t h by the j uni or ; nor can any easement be used f or a pur poseot her t han t hat r eci t ed i n t he gr ant .

1. The grant or may make use of t he l and subj ect t o the easement butmust not i nt er f er e wi t h t he part i cul ar easement use or accesst her et o.

Page 12: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 12/382

  CHAPTER 13-04

EASEMENTS AND RIGHTS-OF-WAY

Engineering Design Standards 12 Effective May 17, 2012

2. The l and owner must al l ow t he aut hori zed ut i l i t y company or Ci t yr epr esent at i ve access t o any pi pi ng and/ or appur t enances t hat l i ewi t hi n t he Publ i c Ut i l i t y Easement .

a. Access i s def i ned as t he abi l i t y t o wal k t o t he pi pi ng and/ orappur t enance.

( 1) I n t he event t hat no access i s avai l abl e f r om t hei nst al l at i on of a non edi f i ce, a gat e, 4’ – 0” mi ni mum i nwi dt h, may be r equi r ed t o be i nst al l ed t hat wi l l al l owaccess.

( 2) The gate may be equi pped wi t h a Ci t y l ock i nt er l ocked wi t ha l ock f r om t he pr i vat e r esi dent .

3. No per manent st r uct ur es wi l l be al l owed t o be const r uct ed wi t hi n, orover t he t op of , t he Publ i c Ut i l i t y or Dr ai nage Easement .

a. A per manent st r uct ur e i s def i ned as a masonr y f ence ( i ncl udi ngt r ash encl osur es) , or any par t of a bui l di ng or st r uct ur e t hatr equi r es a bui l di ng per mi t .

b. A non- permanent s t r uct ur e i s def i ned as a wooden or chai n l i nkf ence, cur b and gut t er , parki ng l ot, l andscapi ng, and bui l di ngsor st r uct ur es t hat do not r equi r e a bui l di ng per mi t .

c. I n t he event t hat t he pi pe and/ or appur t enance must be r epai r ed,mai nt ai ned, or r econst r uct ed, and a non- permanent st r uct ur e hasbeen const r ucted over t he easement , t he Ci t y may requi r e t hepr opert y owner t o r emove t he non- permanent st r uct ure i n or derf or t he Ci t y to make t he r epai r , per f or m mai nt enance, or do

r econst r ucti on.

( 1) The pr oper t y owner may r ei nst al l t he st r uct ur e at t heowner ’ s expense.

d. I n t he event t hat t he pi pe and/ or appur t enance must be ei t herr epai r ed, mai nt ai ned, or r econst r uct ed, and a per manentst r ucture has been const r uct ed over t he easement , t he per manentst r ucture must be r emoved by t he propert y owner i n order t ocompl ete the r epai r , mai nt enance, or r econst r uct i on and may notbe r ei nstal l ed.

e. I n t he event t hat t he st r uct ur e, ei t her per manent or non-permanent , i s not r emoved i mmedi atel y, t he Ci t y shal l have t her i ght t o r emove t he st r uct ur e and charge t he pr oper t y owner f orthi s ef f or t .

f . Pr i vat e ser vi ces shal l not be i nst al l ed i n a publ i c easement orr i ght - of - way paral l el t o publ i c ut i l i t y l i nes .

C. Fences are not al l owed across dr ai nage easement s wi t h open channel s.Removabl e f ences wi t h mi ni mum 8’ gates ar e permi t t ed across drai nageeasement s wi t h under ground st ormdrai ns.

Page 13: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 13/382

  CHAPTER 13-04

EASEMENTS AND RIGHTS-OF-WAY

Engineering Design Standards 13 Effective May 17, 2012

D. An easement does not become voi d or non- exi st ent i f i t ceases t o be usedf or t he pur pose f or whi ch gr ant ed unl ess t he gr ant car r i es a l i mi t at i ont o t hat ef f ect .

1. An easement can be of a t empor ary nat ure and cease t o exi st at t he

t i me speci f i ed on t he gr ant . One exampl e woul d be a const r uct i oneasement adj oi ni ng a permanent easement or a turn- around t o beabandoned when the st r eet i s ext ended.

Section 13-04-001-0004 Location

When const r uct i on pl ans i ndi cat e r oadway f i l l sl opes whi ch ext end beyond t hel i mi t s of t he r i ght - of - way, t hen a sl ope easement wi l l be r equi r ed f or t hosear eas.

A. Publ i c ut i l i t y easement s shal l be a mi ni mum of t went y ( 20) f eet i n wi dt hand pr ovi de access across l ot s and/ or al ong r ear or si de l ot l i nes wher enecessar y; when wat er and sewer l i nes ar e i n the same easement t hemi ni mum wi dt h shal l be t went y- si x ( 26) f eet . When a water ser vi ce orf i r e hydr ant i s l ocat ed adj acent t o, but out si de of , t he r i ght - of - way orpubl i c ut i l i t y easement ( PUE) a PUE shal l be ext ended t o accommodat e t heappur t enance. The mi ni mum di mensi ons of t he PUE shal l al l ow f or 3 f t . ofcl ear ance f r om al l si des of t he appur t enance. Dr ai nage easement s shal lbe i n accordance wi t h Ci t y of Fl agst af f Stormwat er Management Desi gnManual .

B. Each cul - de- sac shal l have pr ovi si ons f or a 20/ 26- f oot wi de easement t oan adj acent st r eet or t o pr oper t y l i nes t o al l ow f or f ut ur e ut i l i t y andpedest r i an extensi on.

C. Dr ai nage easement s shal l be pr ovi ded conf ormi ng subst ant i al l y wi t h t hel i nes of any water cour se, dr ai nage way, channel , st r eam, or r i ver , and

suf f i ci ent i n wi dt h t o convey t he r unof f of t he desi gn st or m wi t h t her equi r ed f r eeboar d and mai ntenance access. Addi t i onal easementr equi r ement s may al so appl y as r equi r ed by the Ci t y of Fl agst af fSt or mwat er Desi gn Manual .

Section 13-04-001-0005 Easement Conveyance by other than a Final Plat

I t ems r equi r ed f or a val i d conveyance are:

A. A l egal descr i pt i on and exhi bi t dr awi ng pr epared and seal ed by ar egi st ered l and surveyor and accept ed by t he Ci t y Engi neer i ng Sect i on.

B. An execut ed easement document t hat has been r evi ewed and accept ed by t he

Ci t y Engi neer .

C. I f a busi ness ent i t y i s the owner , pr ovi de t he name of t he of f i cer s oragent s, who ar e aut hor i zed t o execut e the i nst r ument ( s) on behal f of t heent i ty .

D. Al l easement conveyances shal l be approved by t he Ci t y Engi neer and t hensi gned by the pr oper t y owner ( and r ecorded) pr i or t o const r uct i on pl anappr oval .

Page 14: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 14/382

  CHAPTER 13-04

EASEMENTS AND RIGHTS-OF-WAY

Engineering Design Standards 14 Effective May 17, 2012

Sections:

13-04-002  Public Right-of-Way13-04-002-0001  City Action13-04-002-0002  Uses

13-04-002-0003  Right-of-way Conveyance by other than a Final Plat13-04-002-0004  Legal Descriptions

Section 13-04-002 Public Right-of-Way

Section 13-04-002-0001 City Action

A r evi ew of t he compl eted i nst r ument s and al l exhi bi t s shal l be made by t heCi t y Engi neer pr i or t o bei ng submi t t ed, as necessary, t o t he Pl anni ng andZoni ng Commi ssi on and Ci t y Counci l and pr i or t o si gni ng and r ecor di ng. TheCi t y Cl er k wi l l be r esponsi bl e f or t he r ecor di ng of al l i nst r ument s.

Section 13-04-002-0002 Uses

Publ i c r i ght - of - way shal l be gr ant ed by a general Warr ant y Deed or pl at .

A. When a publ i c r i ght - of - way i s abandoned, publ i c passage i s t ermi nated buteasement s wi t hi n t he r i ght - of - way wi l l be r et ai ned t o cover t he pur posesconst r uct ed t her ei n ( e. g. , wat er and power ) .

B. A per mi t f r om t he Ci t y Engi neer i s necessar y t o const r uct or erectf aci l i t i es, bui l di ngs, or st r uct ur es of any t ype, per manent or t empor ar y,on t he publ i c ri ght - of - way.

1. Such const r uct i on shal l be r emoved at t he owner ' s expense shoul d i ti nt er f er e wi t h any l egi t i mat e use of t he r i ght - of - way.

Section 13-04-002-0003 Right-of-way Conveyance by other than a Final Plat

I t ems r equi r ed f or a val i d conveyance are:

A. A l egal descr i pt i on and exhi bi t dr awi ng pr epared and seal ed by ar egi st ered l and sur veyor and accept ed by t he Ci t y Engi neer .

B. An execut ed war r ant y deed t hat has been r evi ewed and accept ed by t he Ci t yEngi neeri ng Sect i on and t he Ci t y At t orney.

C. Provi de a t i t l e r eport pr epared by an i ndependent Ti t l e I nsur ance Companyf or each pr oper t y f r om whi ch r i ght - of - way i s bei ng dedi cat ed.

D. I f a busi ness ent i t y i s the owner , pr ovi de t he names of t he of f i cer s oragent s, who ar e aut hor i zed t o execut e the i nst r ument ( s) on behal f of t heent i ty .

E. Al l r i ght - of - way conveyances shal l be appr oved by t he Ci t y Engi neer andt hen si gned by t he pr oper t y owner ( and r ecor ded) pr i or t o const r uct i onpl an appr oval .

Section 13-04-002-0004 Legal Descriptions

A. When addi t i onal r i ght - of - way i s requi r ed because of a new devel opment ,

Page 15: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 15/382

  CHAPTER 13-04

EASEMENTS AND RIGHTS-OF-WAY

Engineering Design Standards 15 Effective May 17, 2012

t hen t he l egal descr i pt i on of t he r i ght - of - way shal l be pr ovi ded by t hedevel oper .

1. When onl y a corner cut - of f i s requi r ed, t hen t he Ci t y may pr ovi det he l egal descr i pt i on.

B. Legal descr i pt i ons and exhi bi t dr awi ngs must be pr epared and seal ed by ar egi st ered l and sur veyor and accept ed by t he Ci t y Engi neer .

Page 16: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 16/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 16 Effective May 17, 2012

CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Sections:

13-05-001  Engineering Design Reports13-05-001-0001  Water and Sewer System Design Report

13-05-001-0002  Soils Report

13-05-001-0003  Storm Drainage Report

13-05-001 Engineering Design Reports

Section 13-05-001-0001 Water and Sewer System Engineer Design Report

A. A water and sewer desi gn r eport , seal ed by a r egi st ered pr of essi onalengi neer l i censed i n Ar i zona, i s be r equi r ed f or al l new subdi vi si ons,publ i c water or sewer syst em addi t i ons or modi f i cat i ons, new r oadways, oras det er mi ned by t he Ci t y Engi neer . Thi s r epor t i s t o assur e t hat t heengi neer has deal t wi t h wat er and sewer syst ems desi gn and has of f eredsol ut i ons whi ch conf or m t o the appr oved pr el i mi nary pl at or si t e pl an andt hi s t i t l e.

1. I f , i n pr epar at i on of t he r epor t , t he engi neer f i nds t hatsubst ant i al changes f r om t he appr oved pr el i mi nar y pl at ar e r equi r edt o pr oduce an economi cal devel opment , a revi sed pr el i mi nary pl atshal l be pr epar ed.

a. A f orced engi neeri ng sol ut i on conf ormi ng to an appr ovedpr el i mi nar y pl at i s not accept abl e.

b. The r eport shoul d be prepared i n conj unct i on wi t h t he appr ovedpr el i mi nar y pl at and/ or const r uct i on dr awi ngs unt i l al l desi gnprobl ems ar e worked out .

2. The r epor t i s r equi r ed wi t h t he i ni t i al const r ucti on pl anssubmi t t al . The r eport s must be appr oved pr i or t o t he appr oval oft he const r uct i on pl ans.

B. Wat er di st r i but i on systems shal l be desi gned t o adequat el y sati sf y t her equi r ement s of t he “Water Syst em Desi gn” sect i on of t hese st andards.

 The engi neer shoul d i nvest i gat e maxi mum dai l y r at e and t he maxi mum hour l yr at e pl us t he r equi r ed r at e f or f i r e pr ot ect i on, t o det er mi ne whi ch wi l lgover n t he desi gn. Consi der at i on of f ut ur e r equi r ement s and ext ensi onsshal l be i ncl uded i n t he r eport . Water l i nes shal l be si zed t o mai nt ai nwat er pr essur e as r equi r ed i n Chapt er 13- 09 of t hi s t i t l e and shal ladher e to al l gener al r equi r ement s i ncl udi ng val ves, bl ow- of f s, and f i r ehydr ant s. Al l cal cul at i ons shoul d be shown t o j ust i f y t he desi gn.

C. Consi der at i ons of sewage f l ow shal l i ncl ude i nvest i gati on of vol ume,st r engt h, and t ypes of f l ow t o be col l ect ed by the syst em and t he i mpactof devel opment on t he exi st i ng downst r eam syst em. The engi neer shal laccount f or f ut ur e r equi r ement s and extensi ons i f t he desi gn onl y cover s

Page 17: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 17/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 17 Effective May 17, 2012

par t of t he area t o be ser ved. Al l gener al r equi r ement s, as l i st ed i nt he "Sewer Syst em Desi gn" Chapt er 13- 09 of t hese St andards, shal l beadher ed t o. Cal cul ati ons concer ni ng pi pe si zi ng, vel oci t y and gr adesshal l be shown f or al l l i nes. Requi r ement s concer ni ng l oadi ng on pi pesshoul d al so be consi der ed as part of t he over al l desi gn.

Section 13-05-001-0002 Soils Report

A geotechni cal soi l s r eport pr epar ed by a r egi st er ed pr of essi onal engi neerl i censed i n Ar i zona, speci al i zi ng i n geot echni cal engi neer i ng i s r equi r edwi t h t he i ni t i al const r ucti on pl ans submi t t al of st r eet st r uctural secti ondesi gn or sl ope st abi l i t y anal ysi s i s requi r ed.

A. The soi l s engi neer shal l addr ess t he f ol l owi ng pr obl ems: shr i nk- swel lpot ent i al , gr ound water , wet ness, dept h of r ock, er osi on, f l ood hazar d,al l owabl e vel oci t y i n ear t h dr ai nage channel s, bear i ng capaci t y,cor r osi on pot ent i al , or gani c l ayer s, ease of excavat i on, and ot herper t i nent i ssues. Corr el ated “R- val ues” that are used i n t he pavementst r uct ur al sect i on desi gn shoul d be det er mi ned f r om soi l sampl escont ai ni ng t he hi ghest amount of cl ay ( PI val ues) .

1. I f hi gher PI val ues ar e r epor t ed but not consi der ed i n t hedet er mi nat i on of t he cor r el at ed R- val ues, t he engi neer shal l pr ovi der ecommendat i ons f or r emoval of t hese materi al s, i ncl udi ng speci f i careas of r emoval s t hat must be r ef l ect ed on t he appr oval ci vi lpl ans.

2. I f cut and f i l l sl opes are pr oposed whi ch exceed t hose al l owed byCi t y st andar ds and/ or Fl agst af f Ci t y Code Ti t l e 4, Bui l di ng Code, asl ope st abi l i t y anal ysi s est abl i shi ng maxi mum st abl e sl ope gr adesmust be i ncl uded.

a. I f probl em ar eas ar e f ound, f ur t her anal ysi s may ber equi r ed i n t hose speci f i c ar eas.

B. I f , i n pr epar at i on of t he r epor t , t he engi neer f i nds that subst ant i alchanges f r om t he appr oved pr el i mi nary pl at ar e r equi r ed t o pr oduce aneconomi cal devel opment , he shal l pr epare a r evi sed pr el i mi nary pl at .

C. For ced engi neer i ng sol ut i ons to conf or m t o an appr oved pr el i mi nary pl ati s not accept abl e.

D. The r epor t shoul d be pr epared i n conj unct i on wi t h t he appr ovedpr el i mi nar y pl at and/ or const r uct i on dr awi ngs unt i l al l desi gn pr obl emsare worked out .

Section 13-05-001-0003 Storm Drainage Report

A. A dr ai nage r eport , pr epared i n accordance wi t h t he r equi r ement s of t heSt ormwat er Desi gn Regul at i ons, i s r equi r ed and must be appr oved pr i or t oappr oval of t he const r uct i on pl ans.

1. I f , i n pr epar at i on of t he r epor t , t he engi neer f i nds t hatsubst ant i al changes f r om t he appr oved pr el i mi nar y pl at ar e r equi r edt o pr oduce an economi cal devel opment , he shal l pr epare a revi sedpr el i mi nar y pl at .

Page 18: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 18/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 18 Effective May 17, 2012

a. For ci ng engi neer i ng sol ut i ons t o conf or m t o an appr ovedpr el i mi nar y pl at i s not accept abl e.

2. The r epor t shoul d be pr epared i n conj unct i on wi t h t he appr oved

pr el i mi nar y pl at and/ or const r uct i on dr awi ngs unt i l al l desi gnprobl ems ar e worked out .

B. I f l ow i mpact devel opment ( LI D) i s pr oposed i n t he r i ght - of - way, t hef ol l owi ng shal l be addr essed t o t he sat i sf act i on of t he Ci t y Engi neer andt he Publ i c Works Sect i on Head:

1. Measures pr ovi ded t o ensure t he pr eser vat i on of adj acent pavementsecti on, or ot her associ at ed i nf r ast r uctur e, as t he r esul t ofi nf i l t r at i on and/ or st andi ng wat er associ at ed wi t h an I MP.

2. A det ai l ed operat i ons and mai ntenance manual t hat , at a mi ni mum,shal l i ncl ude a nar r at i ve descr i bi ng t he pur pose and f unct i on of t heI MP, r equi r ed mai nt enance act i vi t i es, and needed i nspect i onact i vi t i es.

Page 19: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 19/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 19 Effective May 17, 2012

Sections:

13-05-002  Water Impact Analysis13-05-002-0001  Water Impact Analysis13-05-002-0002  Sewer Impact Analysis

13-05-002-0003  Traffic Impact Analysis13-05-002-0003.1  General

13-05-002-0003.2  Process13-05-002-0003.3  Requirement

13-05-002-0003.4  Analysis Approach and Methods13-05-002-0003.5  Study and Report Format

13-05-002-0004  Stormwater Impact Analysis

Section 13-05-002 Water Impact Analysis

Section 13-05-002-0001 Water Impact Analysis

 The Ci t y of Fl agst af f shal l prepare t he wat er i mpact anal ysi s t hat i s r equi r edas part of t he submi t t al pr ocess f or any devel opment t hat i nvol ves: anannexat i on, ext ensi on of servi ce beyond t he Ur ban Gr owt h Boundary, speci f i c orsmal l area pl an, devel opment master pl an, subdi vi si on pl at , change of zoni ngr equest ( medi um or l arge i n accordance wi t h the Zoni ng Code) , mai n extensi on,or a si t e pl an submi t t al f or any devel opment whi ch wi l l generate a peak hourdemand gr eat er t han t he equi val ent f l ow of 10 si ngl e f ami l y dwel l i ng uni t s ( t her equi r ement may be wai ved at t he di scr et i on of t he Ci t y Engi neer and theUt i l i t i es Di rector ) .

A. The anal ysi s shal l est abl i sh t he par amet er s of t he syst em whi ch sat i sf i est he r equi r ement s of t he "Wat er Syst em Desi gn", Fl agstaf f Ci t y Code, Ti t l e13, Sect i on 13- 09- 003  of t hese r egul at i ons.

1. The anal ysi s shal l eval uate both t he maxi mum dai l y r at e pl us t he

r equi r ed f l ow r at e f or f i r e pr ot ect i on, and t he maxi mum hour l y r at et o det er mi ne whi ch wi l l gover n t he desi gn.

2. The system anal ysi s shal l i ncl ude t he devel opment , as wel l asadequat e sur r oundi ng areas t o determi ne t hat t he new devel opmentwi l l not negat i vel y i mpact adj acent devel opment s and t heencompass i ng wat er pressure zone.

3. Al l cal cul at i ons shoul d be shown t o j ust i f y t he desi gn.

4. Appr oval of any pr oposed devel opment wi l l r equi r e t he cor r ect i on ofany def i ci enci es i ndi cat ed i n t he r epor t by t he devel oper , i ncl udi ngi nadequat e f l ow t o t he devel opment .

B. Thi s anal ysi s need not be made i f t he si t e has pr evi ousl y been i ncl udedi n a compl et e water i mpact anal ysi s f or a l arger area and the l and useand i nt ensi t y assumed f or t he si t e i n that pr evi ous anal ysi s i s t he sameas t hat of t he pr oposed devel opment .

C. A comput er model of t he pr oposed water syst em f or t he devel opment wi l l beper f ormed by the Ci t y f or a f ee that i s separat e f r om t he Devel opment Pl anRevi ew Fee.

1. Adequate i nf ormat i on r egardi ng t he proj ect ' s water demands must be

Page 20: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 20/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 20 Effective May 17, 2012

pr ovi ded by the devel oper t o the Ci t y, i n order t o run t he model .

2. The i nf ormat i on pr ovi ded wi l l det er mi ne t he upper l i mi t of demand t hatt he devel opment may pl ace on the wat er syst em.

3. I n t he event t hat a proposed devel opment exceeds t he maxi mum demand,as det ermi ned i n t he i mpact anal ysi s, a new water i mpact anal ysi s maybe r equi r ed.

4. The model wi l l determi ne t he i mpact of t he devel opment on t he Ci t y' swat er system as wel l as t he i mpact of t he Ci t y' s wat er system on t hedevel opment .

D. The anal ysi s and r eport shal l be submi t t ed wi t h t he devel opmentappl i cat i on.

Section 13-05-002-0002 Sewer Impact Analysis

 The Ci t y of Fl agst af f shal l prepare, at t he expense of t he devel oper , a seweri mpact anal ysi s t hat i s r equi r ed as part of t he submi t t al f or any devel opmentt hat i nvol ves: an annexat i on, ext ensi on of servi ce beyond t he Ur ban Gr owt hBoundary, speci f i c or smal l area pl an, devel opment master pl an, subdi vi si onpl at , change of zoni ng r equest , medi um or l arge i n accordance wi t h the Zoni ngCode) , mai n extensi on, or a si t e pl an submi t t al f or any devel opment whi ch wi l lgener ate a peak hour di scharge gr eater t han t he equi val ent f l ow of 10 si ngl ef ami l y dwel l i ng uni t s ( t he requi r ement may be wai ved at t he di scr et i on of t heCi t y Engi neer and t he Ut i l i t i es Di r ector) .

A. Al l gener al r equi r ement s, as l i st ed i n t he “Sewer Syst em Desi gn” sect i onof t hese regul at i ons, shal l be adher ed t o.

1. The devel oper must pr ovi de adequat e i nf ormat i on r egardi ng t he pr oj ects

sewer di scharge t o t he Ci t y, i n order t o r un t he model .

a. The i nf ormat i on pr ovi ded wi l l det er mi ne t he upper l i mi t ofdi scharge that t he devel opment may pl ace on t he sewer syst em.

2. I n the event t hat a pr oposed devel opment exceeds t he maxi mumdi schar ge, as determi ned i n the i mpact r eport , a new sewer i mpactanal ysi s may be r equi r ed.

3. The model wi l l determi ne t he i mpact of t he devel opment on t he Ci t y' ssewer syst em. However, t he comput er model wi l l not address thef unct i onal i t y of t he devel opment ' s sewer syst em.

B. The anal ysi s and r eport shal l be submi t t ed wi t h t he devel opment submi t t alappl i cat i on.

C. The anal ysi s shal l i ncl ude: est i mat e of f l ows gener at ed f r om t hepr oposed devel opment , capaci t y of exi st i ng downst r eam mai ns f r om t he t i e-i n poi nt of t he devel opment t o t he Ri o De Fl ag sewer t r unk l i ne, and thei mpact devel opment f l ows wi l l have on t hese downst r eam mai ns.

1. The cal cul at ed of f - si t e i mpact s shal l be based on a st eady- st at ef l ow pat t er n usi ng t he peak f l ows establ i shed i n Chapt er 9 of t heser egul at i ons ( t he l oadi ngs and pat t er ns may be modi f i ed at t he

Page 21: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 21/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 21 Effective May 17, 2012

di scret i on of t he Ut i l i t y Di rect or) .

2. The Ri o De Fl ag sewer t r unk l i ne shal l be def i ned as t he sewer l i nebet ween manhol e R- 065 and manhol e 23- 001.

3. Appr oval of any pr oposed devel opment wi l l r equi r e t he cor r ect i on ofany def i ci enci es by the devel oper t o any of f si t e mai ns bet ween thedevel opment and t he near est downst r eam t r eat ment pl ant .

D. The anal ysi s need not be made i f t he si t e has pr evi ousl y been i ncl uded i na compl ete sewer i mpact anal ysi s f or a l arger area and the l and use andi nt ensi t y assumed f or t he si t e i n t hat pr evi ous anal ysi s i s t he same ast hat of t he pr oposed devel opment .

Section 13-05-002-0003 Traffic Impact Analysis 

Section 13-05-002-0003.1 General 

A. The i mpact of t r af f i c generat ed by new devel opment s and r e- devel opment son t he Ci t y’ s t r anspor t at i on net work shal l be consi der ed i n t he appr ovalpr ocess f or al l devel opment s. The pur pose f or t hi s consi der at i on wi l l beto :

1. Det er mi ne t he t r anspor t at i on i mpact s of t he pr oj ect on t he exi st i ngand f ut ur e publ i c t r anspor t at i on net wor ks.

2. Hi ghl i ght any speci al or unusual t r ansport at i on condi t i ons whi ch mayexi st and descri be how t hey wi l l be handl ed.

3. Pr ovi de suf f i ci ent i nf or mat i on f or an assessment of t he f ai r cost st o mi t i gat e t he i mpact s of t he devel opment .

4. Coor di nat e ci r cul at i on aspect s of t he pr oj ect wi t h t hose of ot herpr oj ect s, exi st i ng devel opment s, and t he Ci t y’ s gener al and speci f i cpl ans.

5. Ensur e uni f orm r equi r ement s and t r eatment f or al l devel oper s

6. Provi de data f or t he Ci t y’ s on- goi ng capi t al i mpr ovement and l ongr ange pl anni ng pr ogr ams.

B. The anal ysi s and r eport shal l be pr epared under t he supervi si on of apr of essi onal engi neer ( ci vi l ) r egi st er ed i n t he St at e of Ar i zona. Ther epor t shal l be seal ed and si gned.

Section 13-05-002-0003.2 Process

 The Ci t y Engi neer shal l determi ne t he l evel , scope, and i mpact ar ea f or t heanal ysi s f or each pr oj ect , as wel l as any speci al condi t i ons and i ssues t o beaddr essed. The Engi neer i ng Sect i on pr oj ect manager wi l l communi cate t heanal ysi s r equi r ement s t o the devel oper and/ or t he devel oper ’ s engi neer at t hef i r st Concept Revi ew meet i ng wher e t he pr oj ect i s consi der ed.

A. Accept ance by t he Ci t y of t he Traf f i c I mpact Anal ysi s shal l be acondi t i on of appr oval of a devel opment pr oj ect as f ol l ows:

Page 22: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 22/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 22 Effective May 17, 2012

1. Annexat i on, gener al ar ea pl an, speci f i c pl an, subdi vi si on pl at , orchange of zoni ng r equest ( medi um or l arge i n accor dance wi t h theZoni ng Code: The Anal ysi s shal l be accept ed pr i or t o st af f schedul i ngt he pr oj ect f or Pl anni ng and Zoni ng Commi ssi on f or publ i c hear i ng, orpr i or t o st af f appr oval of a devel opment agr eement , whi chever comes

f i r s t .

2. I ndi vi dual devel opment not i ncl uded i n t he pr evi ous cat egori es: Theanal ysi s shal l be accept ed pr i or t o si t e pl an appr oval .

Section 13-05-002-0003.3 Requirement

 The deter mi nat i on of t he l evel of anal ysi s shal l be based on t he number ofdi r ect i onal vehi cl e t r i ps generat ed by t he devel opment dur i ng the normal peakhour . The cr i t er i a f or det er mi ni ng t he anal ysi s cat egor y, t he st udy hor i zon,and mi ni mum st udy ar ea, are summar i zed i n  Tabl e 13- 05- 01.

A. Cat egory 0 – Very Smal l Devel opment s

A t r af f i c i mpact anal ysi s may be requi r ed f or devel opment s t hat generat ef ewer t han 100 peak hour di r ect i onal t r i ps. The r equi r ement wi l l bebased on exi st i ng or ant i ci pat ed speci al condi t i ons or t r af f i c pr obl emsnear t he si t e t hat may be aggr avated by the devel opment . The anal ysi sshal l address t he i mpact of t he devel opment wi t h r espect t o t hesecondi t i ons.

B. Cat egory 1 – Smal l Devel opment s

A Cat egory 1 anal ysi s i s r equi r ed f or devel opment s t hat generat e between100 and 500 peak hour di r ect i onal t r i ps. The anal ysi s wi l l gener al l yf ocus on si t e access and t he i mpact of t he devel opment on t he adj acentci r cul at i on net wor k.

C. Cat egory 2 – Moderat e or Lar ge Devel opment s

A Category 2 anal ysi s i s r equi r ed f or devel opment s t hat generate moret han 500 peak hour di r ect i onal t r i ps. The anal ysi s wi l l cover t heci r cul at i on syst em wi t hi n t he i nf l uence area of t he devel opment and mayi ncl ude anal ysi s at di f f er ent f ut ur e st ages of t he pr oj ect.

D. Except i ons

Ver y smal l devel opment s wi l l of t en be except ed f r om t he requi r ement of af ul l t r af f i c i mpact anal ysi s. The Ci t y Engi neer ’ s scopi ng st at ement wi l lserve f or t he devel opment appr oval r equi r ement .

Devel opment s t hat have been ant i ci pated i n a pr evi ousl y accepted anal ysi smay be except ed f r om t he requi r ement t o per f orm a f ul l anal ysi s, pr ovi dedt hat t he pr oposed devel opment subst ant i al l y compl i es wi t h t he assumpt i onsmade f or t he tr af f i c i mpact s of t hat devel opment i n t he or i gi nalanal ysi s. These woul d i ncl ude assumpt i ons about l and use t ype andi nt ensi t y, t r i p gener at i on and amount s, and access poi nt s. Speci alcondi t i ons or t r af f i c pr obl ems near t he si t e may r equi r e an anal ysi s t oaddr ess t he i mpact of t he devel opment wi t h respect t o t hese condi t i ons.

E. Coor di nat i on wi t h Ar i zona Depart ment of Tr anspor t at i on

Page 23: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 23/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 23 Effective May 17, 2012

 The devel oper of any proj ect t hat has access t o or f r ont age upon a st at ehi ghway wi t hi n t he Ci t y l i mi t s shal l cont act t he ADOT Nort hern Regi on

 Tr af f i c Engi neer i n or der t o deter mi ne t he Depart ment ’ s i mpact anal ysi sr equi r ement s f or t he pr oj ect . To t he extent t hat t hese exceed t he Ci t y’ s

r equi r ement s, t hey shal l be i ncor porat ed i nt o t he scope of t he anal ysi sr equi r ed by t he Ci t y. The i nt ent her e i s that t he devel oper i s requi r edt o per f or m onl y a si ngl e anal ysi s t hat sat i sf i es t he r equi r ement s of bot hagenci es.

Page 24: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 24/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 24 Effective May 17, 2012

TABLE 13-05-01

TRAFFIC IMPACT ANALYSIS CATEGORY

 ANALYSISCATEGORY

DEVELOPMENTCHARACTERISTICS

STUDYHORIZON

 MINIMUM STUDY AREA

0Very Smal l Devel opment<100 peak hourdi rect i onal t r i ps

Ci t y Engi neer shal l set or wai ver equi r ement s f or Tr af f i c Anal ysi s f orver y smal l pr oj ects on a case by casebasi s

1Smal l Devel opment100 - 500 peak hourdi rect i onal t r i ps

Openi ng year - Si t e access dr i vesand adj acent st r eets- Adj acent si gnal i zedand/ or maj or st r eeti nt er secti ons

2- MModerat e, si ngl e phase500 – 1000 peak hourdi rect i onal t r i ps

Openi ng year - Si t e access dr i vesand adj acent st r eets- St r eet network andmaj or i nt er sect i ons

wi t hi n 1/ 2 mi l e

2- LLarge si ngl e phase> 1000 peak hourdi rect i onal t r i ps

Openi ng yearCi t y Pl anni ngHori zon year

- Si t e access dr i vesand adj acent st r eets- St r eet network andmaj or i nt er sect i onswi t hi n 1 mi l e

2- MULTIModer ate or l arge,mul t i - phase

Openi ng year ofeach phaseCi t y Pl anni ngHori zon year

- Si t e access dr i vesand adj acent st r eets- St r eet network andmaj or i nt er sect i onswi t hi n 1 mi l e

13-05-002-0003.4 Analysis Approach and Methods

A. Study Ar ea and Study Hor i zon Year s

 The mi ni mum st udy ar ea and t he hor i zon year s f or t he st udy shal l bedetermi ned by t he pr oj ect si ze and t ype based on  Tabl e 13- 05- 01. TheCi t y Engi neer may determi ne that t he st udy ar ea and hor i zon shal l beadj ust ed based on the f ol l owi ng condi t i ons:

1. Speci al t r af f i c condi t i ons or capi t al pr oj ect s under way whi chmay exi st out si de the mi ni mum st udy ar ea but whi ch wi l l beaf f ected by t he pr oj ect’ s tr af f i c.

2. Coor di nat i on wi t h and account i ng f or t he i mpact of otherdevel opment pr oj ect s i n t he vi ci ni t y of t he devel opment whi ch

cont r i but e t r af f i c to t he st r eet net work i n t he geogr aphi c ar eaof t he t r af f i c i mpact anal ysi s.

B. Anal ysi s Ti me Per i od

I n most cases onl y t he af t ernoon weekday peak per i od shal l be anal yzed. Thi s may be var i ed i f :

1. The pr oposed pr oj ect i s expect ed t o gener ate ver y f ew t r i ps dur i ngt he weekday eveni ng peak, i n whi ch case the peak hour of gener at i onf or t he pr oj ect shal l al so be anal yzed. Or ,

Page 25: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 25/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 25 Effective May 17, 2012

2. The peak t r af f i c hour on t he st r eet s i n t he st udy ar ea occur s dur i nga di f f er ent t i me per i od, such as noon, morni ng, or weekend, i n whi chcase t hat per i od shal l al so be anal yzed.

C. Dat a Col l ect i on

Al l dat a shal l be col l ect ed i n accor dance wi t h t he l at est edi t i on of t heI TE Manual of Traf f i c Engi neer i ng St udi es or as di r ect ed by the Ci t yEngi neer . Exi st i ng t r af f i c vol ume st udi es may be ext r apol at ed f or aper i od of t wo year s, wi t h t he concur r ence of t he Ci t y Engi neer , i n l i euof per f or mi ng a r equi r ed study.

1. Tur ni ng movement count s at i nt ersect i ons and dr i veways

 Turni ng movement count s shal l be obt ai ned f or al l exi st i ng cr oss -st r eet i nt er sect i ons and maj or dr i veways t o be anal yzed dur i ng t heanal ysi s t i me per i od. Tur ni ng movement counts at ot her t i mes mayal so be r equi r ed. These count s shal l i ncl ude cl assi f i cat i on ofpedest r i ans, and bi kes.

2. Tr af f i c vol umes

Cur r ent and pr oj ect ed dai l y tr af f i c vol umes shal l be pr esent ed i nt he r epor t f or al l st r eet s wi t hi n t he st udy ar ea. A di r ecti onalmechani cal count f or a mi ni mum 48 hours shal l be made at eachl ocat i on. The data shal l be t aken i n 15- mi nut e i ncr ement s.

3. Acci dent s

An anal ysi s of acci dent s and the i mpact of t he devel opment on t heacci dent pat t er ns may be requi r ed.

4. St r eet and i nt er sect i on geomet r y

Roadway and i nt er sect i on geomet r i c i nf ormat i on f or exi st i ng andf ut ur e st r eet s and i nt er sect i ons shal l be obt ai ned. Thi s shal li ncl ude wi dt h, number of l anes, t ur ni ng l anes, ver t i cal gr ade,l ocat i on of dr i veways, ver t i cal and hor i zont al geomet r y, and si ghtdi st ance.

5. Exi st i ng t r af f i c cont r ol devi ces

 The l ocat i on and t ype of t r af f i c cont r ol devi ces adj acent t o t hedevel opment , i ncl udi ng pavement marki ngs, si gns, and si gnal s shal lbe i dent i f i ed. Al l t r af f i c si gnal s wi t hi n t he st udy ar ea shal l bei dent i f i ed al ong wi t h t hei r phasi ng, t i mi ng, and coor di nat i onprogr ams.

6. Ot her i nf ormat i on may be r equi r ed i n order t o per f orm a compl et eanal ysi s:

a. Tr ansi t r out es and st ops

b. Pedest r i an gener ator s and ci r cul at i on pat t er ns

Page 26: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 26/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 26 Effective May 17, 2012

c. Bi cycl e f aci l i t i es

d. Emergency r esponse t i me

D. Tri p Gener at i on

 Tr i p gener at i on shal l be devel oped usi ng t he l at est edi t i on of I TE’ s Trip

Generation. Ot her sour ces may be used wi t h t he appr oval of t he Ci t yEngi neer i f t he I TE manual does not i ncl ude tr i p r at es f or a speci f i ccat egor y of l and use, or i f t he l ocal t r i p gener at i on r at es have beenshown t o di f f er f r om t he I TE r at es.

E. Di st r i but i on and Assi gnment

Pr oj ect ed t r i ps shal l be di st r i but ed t o the st r eet net wor k and added t ot he pr oj ect ed non- si t e t r af f i c wi t hi n t he st udy ar ea.

1. The speci f i c assumpt i ons and data sour ces used i n der i vi ng t r i pdi st r i but i on and assi gnment shal l be document ed.

F. Capaci t y Anal ysi s

1. Level of ser vi ce shal l be comput ed f or al l si gnal i zed and mai nunsi gnal i zed i nt er sect i ons wi t hi n t he st udy ar ea. Level of ser vi ceat si t e dr i veways shal l al so be comput ed. Level of servi ce shal l bedet er mi ned i n accor dance wi t h the l atest edi t i on of t he Hi ghwayCapaci t y Manual .

2. Queue l engt hs f or dedi cat ed t ur n l anes at si gnal i zed i nt er sect i onsshal l be det er mi ned.

G. I mprovement Anal ysi s

A t r af f i c si gnal “needs st udy” shal l be conduct ed f or any new si gnalpr oposed f or t he devel opment .

1. The st udy shal l i dent i f y when t he si gnal wi l l be war r ant ed, and t heconcept ual desi gn f or t he si gnal and i t s oper ati on.

2. The r eport shal l i dent i f y t he st eps t o be t aken t o mi t i gat e anyadver se ef f ect s of t he t r af f i c generat ed by t he devel opment on t hest r eet net work wi t hi n the st udy ar ea.

a. Thi s shal l i ncl ude, but not be l i mi t ed t o:

( 1) I mpr ovement s t o exi st i ng si gnal i zed and unsi gnal i zedi nt er secti ons.

( 2) Fut ur e si gnal i zat i on of unsi gnal i zed i nt er secti ons.

( 3) Mai nt enance of st r eet capaci t y at si t e dr i veways.

b. Where t he i mpact t o be mi t i gated i s l ess t han t he capaci t yi mpr ovement cr eated by t he mi t i gat i on, t hen suf f i ci enti nf or mat i on to det er mi ne a f ai r pr opor t i onal di st r i but i on ofcost t o t he devel oper f or t he mi t i gat i on shal l be pr esent ed.

Page 27: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 27/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 27 Effective May 17, 2012

Section 13-05-002-0003.5. Study and Report Format

Ful l document ati on of t he anal ysi s i s r equi r ed i n t he r epor t . The r epor tf ormat shoul d be scal ed to t he requi r ed cat egor y of t he anal ysi s.  Tabl e 13-

05- 02  shows t he mi ni mum r equi r ement s f or i ncl usi on i n t he r eport f or eachl evel of anal ysi s.

 TABLE 13- 05- 02ANALYSI S AND REPORT CONTENT

ANALYSI SCATEGORY

0 1 2- M 2- L 2-MULTI

I NCLUSI ON

I NTRODUCTI ON X X X XEXECUTI VE SUMMARY X X X

PROJ ECT DESCRI PTI ON X X X X XSI TE PLAN X X X

PHASI NG AND TI MI NG X X XSTUDY AREA CONDI TI ONS

EXI STI NG AND ANTI CI PATED LANDUSE

X X X X

EXI STI NG AND FUTURE ROAD- WAYSYSTEM

  X X X X

EXI STI NG OPERATI ONSROADWAY CONDI TI ONS AND TRAFFI CCONTROLS

X X X

OTHER MODES X X X TRAFFI C VOLUMES X X XLEVEL OF SERVI CE X X XSAFETY X X X

PROJ ECTED TRAFFI C *SI TE TRAFFI C X X X X XNON- SI TE TRAFFI C X X X X

 TOTAL TRAFFI C X X X X TRAFFI C AND I MPROVEMENT *ANALYSI S

SI TE ACCESS X X X XLEVEL OF SERVI CE ANALYSI S X X X XROADWAY I MPROVEMENTS X X X XDRI VEWAY OPER. ANALYSI S X X XALTERNATE MODES X X X X

 TRAFFI C CONTROL NEEDS X X X X TRAFFI C SI GNAL NEEDS X X X X

CONCLUSI ONS X X X XRECOMMENDATI ONS X X XAPPENDI CES X X X

* For mul t i - phase devel opment s pr oj ect ed t r af f i c and t he t r af f i c andi mprovement s anal ysi s shal l be made f or each phase of t he devel opment andf or t he Ci t y’ s pl anni ng hor i zon.

13-05-002-0004 Stormwater Impact Analysis

A st ormwater i mpact anal ysi s shal l be r equi r ed f or a general pl an amendment

Page 28: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 28/382

  CHAPTER 13-05

ENGINEERING DESIGN REPORTS

Engineering Design Standards 28 Effective May 17, 2012

or a r equest f or a zoni ng change. When r equi r ed, t he f ol l owi ng shal l bepr ovi ded i n a r epor t f or r evi ew and appr oval .A. Cal cul at i ons f or pr e- and post - devel opment r unof f vol umes.

B. Downst r eam i mpact s as t he r esul t of i ncr eased vol umes shal l be assessed

as scoped by t he Ci t y’ s St or mwat er Management Sect i on and may i ncl ude:

1. Hydr ol ogi c cal cul at i ons t o det er mi ne di schar ges at var i ousdownst r eam poi nt s pr e- and post - devel opment .

2. Cor r espondi ng hydr aul i c cal cul at i ons to det er mi ne any i ncrease i nwat er sur f ace el evat i ons.

3. A geomorphi c anal ysi s t o deter mi ne channel st abi l i t y and sedi mentt r anspor t concer ns as t he r esul t of i ncreased f l ow dur at i on creat edby i ncr eased vol umes and cl ear water r unof f cr eat ed by devel opment .

4. Ot her hydr ol ogi c and hydr aul i c cal cul at i ons necessary t o det ermi neand resol ve i mpacts.

C. Wat er sur f ace i ncr eases may be al l owed pr ovi ded t hat t hey are l ess t hanone- t ent h ( 1/ 10) of 1 f t . ( 0. 1 f eet ) and t her e ar e no st r uct ur es wi t hknown or cal cul at ed f l oodi ng pr obl ems or other maj or concerns. Watersur f ace i ncr eases f or Lake Cont i nent al , aka Bi g Fi l l Lake, ( i mpoundmentl ocat ed on t he Ri o de Fl ag upst r eam of Rout e 66/ I - 40) are pr ohi bi t ed.

Page 29: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 29/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 29 Effective May 17, 2012

CHAPTER 13-06

CONSTRUCTION PLANS

Sections:

13-06-001  General

13-06-002  Plans13-06-003  Grading Plans

13-06-004  Drainage Plans13-06-005  Water and Sewer Plans

13-06-006  Street Plans13-06-007  General Notes13-06-008  Construction Traffic Control Plans

13-06-009  Franchise Utility Plans

Sections:

13-06-001  General13-06-001-0001  General

Section 13-06-001 General

Section 13-06-001-0001 General

Submi t al l pl ans and r eport s t o t he Engi neer i ng Proj ect Manager assi gned t ot he pr oj ect.

At t he t i me of submi t t al of pl ans f or pr i vat e devel opment pr oj ect s, al l pl ancheck f ees per cur r ent adopt ed f ee schedul es shal l be pai d.

Sections

13-06-002  Plans Required

13-06-002-0001  Review by City Engineer13-06-002-0001.1  Modifications and Appeals

13-06-002-0001.1.1  Modifications13-06-002-0001.1.2  Appeals

13-06-002-0002  Content of Plans13-06-002-0003  Format13-06-002-0004  Drafting Standards

13-06-002-0005  Cover Sheets

13-06-002-0006  Right-of-Way Plans13-06-002-0007  Construction Plan Sheets

13-06-002-0008  As-Built Plans13-06-002-0009  Final Plan Submittal

Section 13-06-002 Plans Required

Engi neer i ng pl ans are r equi r ed f or const r uct i on of any new i mprovement swi t hi n exi st i ng or pr oposed publ i c r i ght s- of - way or easement s. Pl anr equi r ement s may be wai ved by t he Ci t y Engi neer f or j obs of a mi nor nat ur e,such as dr i veway cut s and si dewal k repl acement . Pl ans shal l be pr epared by ar egi st er ed pr of essi onal engi neer l i censed i n Ar i zona.

Page 30: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 30/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 30 Effective May 17, 2012

Section 13-06-002-0001 Review by City Engineer

Pr i or t o i ssuance of any publ i c wor ks per mi t f or const r uct i on, pl ans shal l ber evi ewed and appr oved by t he Ci t y Engi neer or hi s aut hori zed r epr esent at i ve.Such r evi ew i s i nt ended t o ensure gener al compl i ance wi t h pr el i mi nary pl ats,

engi neer i ng desi gn r epor t s, and al l appl i cabl e ci t y codes, st andar ds, andr egul at i ons. Thi s r evi ew i s not i nt ended t o ensur e accur acy of al l pl andet ai l s or assume desi gn r esponsi bi l i t i es f r om t he desi gni ng engi neer . I nt he event of pl an er r or s or omi ssi ons, Ci t y st andar ds wi l l t ake pr ecedenceover t he pl ans. Appr oval of t he pl an( s) by t he Ci t y Engi neer does not i mpl yt hat t he Ci t y i s r esponsi bl e f or t he cor r ect ness or compl et eness of t he pl ansor f or t he cost of cor r ect i ons t o the pl ans and ext r a wor k resul t i ng f r omchanges t hat may be r equi r ed dur i ng const r uct i on. Any di f f i cul t i esencount er ed dur i ng const r uct i on wi l l be set t l ed t o the sat i sf act i on of t heCi t y Engi neer by the devel oper . Appr oval of t hese pl ans by t he Ci t y i s f or aone- year per i od, subsequent t o the date of appr oval .

Section 13-06-002-0001.1 Modifications and Appeals

Section 13-06-002-0001.1.1 Modifications

A. I n t he event t here i s a need t o modi f y t he appr oved Engi neer i ngSt andards, t he Desi gn Engi neer shal l submi t a wr i t t en r equest t o the Ci t yt hat i ncl udes:

1. The appl i cabl e st andar d speci f i cat i on and/ or det ai l f or whi ch t hemodi f i cat i on appl i es.

2. The r equest ed modi f i cat i on t o t he st andard.

3. A narr at i ve as t o why t he st andard cannot be met.

4. I dent i f y ot her opt i ons/ al t er nat i ves and t hei r i mpacts t o t he pr oj ect .

5. Document at i on as necessary t o demonst r ate t hat t he modi f i cat i on:

a. Meet s t he gener al i nt ent of t he st andard;

b. Wi l l r esul t i n an equi val ent l evel of servi ce f or heal t h, saf et y,and wel f ar e to t he Gener al Publ i c;

c. Wi l l r esul t i n i mpr ovement s that are adequate and meet t he Ci t y’ sneeds.

B. The r equest shal l t o be submi t t ed t o t he Ci t y Engi neer , t hr ough t heDevel opment Engi neer i ng Proj ect Manager assi gned t o the pr oj ect .Whenever possi bl e, modi f i cat i ons shoul d be submi t t ed wi t h a Concept Pl anRevi ew and appr oved pr i or t o Si t e Pl an or Pr el i mi nary Pl at appr oval .

Section 13-06-002-0001.1.2 Appeals

 The deci si on of t he Ci t y Engi neer may be appeal ed t o t he Ci t y Manager .

Section 13-06-002-0002 Content of Plans

Pl ans are to meet t he mi ni mum r equi r ement s set f or t h i n Ti t l e 13 and must be

Page 31: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 31/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 31 Effective May 17, 2012

based on mi ni mum desi gn cr i t er i a l i st ed i n t he sect i ons deal i ng wi t h eachspeci f i c i t em ( e. g. , gr adi ng, st r eet s, wat er and sewer , and ot her publ i ci mprovement s) .

Section 13-06-002-0003 Format

A. Al l const r uct i on pl ans ( gr adi ng, dr ai nage, st r eet , water , and sewer ) mustbe submi t t ed i n a cl ear, neat f ormat , wi t h an uncl ut t er ed appearance,whi ch conveys al l per t i nent i nf or mati on at a 1" = 40' ( 1: 500) scal ehor i zont al ( 1” = 20’ may be requi r ed i f necessar y t o meet t he appearanceof obj ecti ves) , and 1" = 4' , ( 1: 50) ver t i cal , or l ar ger . Over al l dr awi ngsi ze shal l be 24" x 36" and shal l have a l ef t margi n of t wo ( 2) i nchesand a margi n of one hal f ( 1/ 2) i nch on al l other si des. An i ndex map t oa set of det ai l ed pl ans i n excess of t wo sheet s shal l be pr esent ed.

B. The desi gn engi neer may r equest a var i ance f or a par t i cul ar pr oj ect ,where t he above pl an f ormat cr i t er i a are not appr opr i ate. The Ci t yEngi neer may gr ant an except i on t o the f ormat cr i t eri a wher e, i n hi sopi ni on, i t i s appr opr i at e.

Section 13-06-002-0004 Drafting Standards

A. Symbol s t o be used shoul d conf orm t o ADOT Dr af t i ng Gui del i nes or ot herwi del y accept ed, cl ear l y def i ned set of st andard symbol s.

B. St andard Dr awi ngs must be r ef err ed t o by number f or i ncl usi on as par t ofpl ans and i n t he quant i t y sect i on.

C. A mi ni mum l et t er i ng si ze of 0. 08 i nches shal l be used on al l pl ans.

D. Di r ect i on of nor t h ar r ow wi l l be det er mi ned by st at i oni ng. Al l st at i oni ngwi l l r ead f r om l ef t t o r i ght . To accompl i sh t hi s, t he pr oj ect shoul d

have i ncreasi ng st at i oni ng f r om west t o east or sout h t o nor t h.

E. Pl an or i gi nal s shal l be on a hi gh qual i t y t r anspar ent myl ar si mi l ar orequal t o K & E 4 mi l . r everse doubl e mat t e.

F. St i ck- on mat er i al s, ot her t han St andar d Bl ue- St ake st i cker s, wi l l not beal l owed on pl an or i gi nal s.

Section 13-06-002-0005 Cover Sheets

A separ at e cover sheet shal l be submi t t ed wi t h al l pl ans and shal l i ncl udet he f ol l owi ng when appl i cabl e:

A. Concept Appr oval Note ( l ocated above t he Ci t y si gnatur e bl ocks) :

“The Ci t y appr oves t hese pl ans f or concept onl y. The Ci t yshal l not be l i abl e f or er r or s or omi ssi ons of t he desi gnengi neer . ”

B. Vi ci ni t y Map ( i ncl udi ng a nor t h ar r ow) .

C. Proj ect t i t l e.

D. Devel oper and engi neer i ng f i r m names and addr esses.

Page 32: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 32/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 32 Effective May 17, 2012

E. Si gnat ur e bl ock f or Ci t y Engi neer .

F. Si gnat ur e bl ock f or Ci t y Publ i c Wor ks Di r ect or .

G. Si gnat ur e bl ock f or Ci t y Ut i l i t i es Di r ector .

H. Bl ock f or Ar i zona Depar t ment of Envi r onment al Qual i t y appr oval ( f i l enumber and date) i f appl i cabl e.

I . Si gnat ur e bl ock f or t he Ar i zona Depar t ment of Tr anspor t at i on i ncl udi ngper mi t number ( i f appl i cabl e) .

 J . Compl et ed si gnat ure bl ocks f or r epresent at i ves f r om al l ut i l i t y and cabl et el evi si on compani es.

K. Appl i cabl e Not es.

L. I ndex of t he sheet s.

M. Ci t y of Fl agst af f pr oj ect number i n t he l ower r i ght hand cor ner .

N. Ut i l i t y Conf l i ct Not e: “Summar y of Ut i l i t y Conf l i cts”: I nf or mat i on t obe pr ovi ded under t hi s not e shal l i ncl ude a br i ef descri pt i on ofconf l i ct s and t he sheet number( s) wher e t hey appear .

Section 13-06-002-0006 Right-of-Way Plans

A. Ri ght - of - way pl ans shal l be submi t t ed f or al l const r uct i on pr oj ect s t hatr equi r e r i ght - of - way acqui si t i on. Ri ght - of - way pl ans shal l consi st of at i t l e sheet , owner shi p r ecor d sheet , vi ci ni t y map, and pl an sheet s, andmay be a part of t he const r uct i on pl ans i f t hey wer e pr evi ousl y appr oved

by t he Ci t y Engi neer . Al l sheet s shal l be seal ed by a Regi st er ed LandSur veyor .

1. Thi s requi r ement may be wai ved i f r i ght - of - way dedi cat i ons ar e mi noror i nsi gni f i cant and pr evi ousl y appr oved by the Ci t y Engi neer .

B. Ri ght - of - way pl ans ar e t o be used i n conj unct i on wi t h t he acqui si t i on anddi sposal of pr oper t y and pr oper t y r i ght s. They shal l cont ai n suf f i ci entdat a t o al l ow t hem t o be used as t he pr i mar y sour ce f or t he f i el dl ocat i on of al l publ i c ri ght - of - way and pr oper t y l i nes af f ect ed by t her i ght - of - way changes shown on t he pl ans. Except as aut hori zed other wi se,t hey shal l be based upon a pr evi ousl y recor ded r ecor d of survey dr awi ngpr epar ed f or t he gi ven pr oj ect .

C. For t hose pr oj ect s wher e r i ght - of - way pl ans ar e not r equi r ed, t heexi st i ng r i ght - of - way l ocat i on and di mensi ons wi l l st i l l be needed f orr oadway desi gn, except as aut hor i zed other wi se. I f mater i aldi scr epanci es exi st or t her e ar e i nsuf f i ci ent sur vey monument s t odet er mi ne r i ght - of - way l i mi t s, t he descr i pt i on of t he exi st i ng r i ght - of -way shal l be based upon a resul t of sur vey pr epared f or t he gi ven pr oj ectand shal l be shown on the const r uct i on pl ans.

D. Ri ght - of - way pl ans shal l show:

Page 33: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 33/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 33 Effective May 17, 2012

1. Ri ght - of - way cont r ol / monument l i ne.

2. Al l exi st i ng and pr oposed r i ght - of - way l i mi t l i nes.

3. Di mensi on f r om monument l i ne t o exi st i ng and new r i ght - of - way l i mi t

l i ne.

4. Monument l i ne st at i oni ng wi t h appr opr i at e t i es to i nt er sect i ngpr oper t y l i nes and changes i n r i ght - of - way wi dt h.

5. Any new or exi st i ng easement s, ei t her t emporary or per manent .

6. For each parcel t o be acqui r ed:

a. A par cel i dent i f i cat i on number .

b. The pr oper t y owner shi p l i nes.

c. The Count y r ecor der ' s number s f or af f ect ed par cel s i ncl udi ng al lexi st i ng r i ght s- of - way and easement s.

d. The area i n square f eet or acres ( square meter s or hect ares) oft he part t o be t aken and of each r emai nder of a part i al t aki ng.

e. Beari ngs and di st ances ar ound t he per i met er of al l t aki ngs.

7. Al l i nt er sect i ons of t he monument l i ne wi t h an est abl i shed sect i onl i ne.

a. The appr opr i ate st at i oni ng shal l be shown.

b. Al l sect i on l i nes shal l be shown wi t h bear i ngs and di st ances to

t he monument l i ne.

8. Thor ough descri pt i ons of al l secti onal cont r ol .

9. Basi s of bear i ng.

E. The si ze, f or m, and ar r angement of r i ght - of - way pl ans shal l conf or m t ot he gener al r equi r ement s f or const r uct i on pl ans and shoul d cont ai nsuf f i ci ent di mensi onal and angul ar dat a t o per mi t r eady i dent i f i cat i onand cor r el at i on wi t h t he l egal descr i pt i ons of al l par cel s.

F. For al l acqui si t i ons, t he Owner shi p Recor d Sheet shal l show t he name ofowner , br i ef descr i pt i on of t he pr oper t y t o be acqui r ed, and ar ea of eachpar cel of l and af f ect ed. I t shal l be pr epar ed i n uni f or m or der wi t h eachpar cel number bei ng i n numer i cal sequence. The Owner shi p Recor d shal lcont ai n t he f ol l owi ng:

1. Par cel Number - a number shal l be assi gned t o each i ndi vi dual parcelaf f ected.

2. Count y Recordi ng Number – Docket No.

3. Descri pt i on - a br i ef descri pt i on of t hat par t of t he par cel bei ngaf f ected.

Page 34: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 34/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 34 Effective May 17, 2012

4. Par cel Ar ea - area of t he newl y cr eated r i ght - of - way or easement ;area may be shown i n acres unl ess so smal l t hat a f r act i onal part ofan acre woul d be decei vi ng.

5. Remai nder - ar ea of t he par cel r emai ni ng af t er t he r i ght - of - way oreasement has been taken f r om t he total parcel .

6. Sheet Number - a number i ndi cat i ng t he sheet on whi ch t he par cel canbe l ocat ed.

G. A vi ci ni t y map showi ng t he pr oj ect and i t s r el ati onshi p t o t hesur r oundi ng area shal l be shown.

Section 13-06-002-0007 Construction Plan Sheets

A. The f ol l owi ng i nf or mat i on i s gener al l y r equi r ed f or each const r uct i onpl an sheet :

1. Nor t h ar r ow ( wi t h Nor t h up or t o t he l ef t or r i ght ) .

2. Hor i zont al cont r ol poi nt s and st at i oni ng.

3. Tempor ar y bench mar ks (T. B. M. ' s) and el evat i ons r el at i ve t o Ci t ydatum ( i n NAVD 88) . Pl ans shal l al so i ndi cate t he Ci t y bench markand el evat i on ut i l i zed i n est abl i shi ng t he T. B. M.

4. Pr oper t y l i nes, easement l i nes, and r i ght - of - way l i mi t s.

5. St r eet names, l ot number s and subdi vi si on names.

6. Hor i zont al l ocat i on of pr oposed and exi st i ng i mpr ovement s rel at i ve

t o exi st i ng and pr oposed ri ght - of - way, cent er l i ne, and easement s.

7. St at i oni ng al ong cent er l i ne and t i es t o pr oper t y l i nes.

8. The si gned seal of t he pr of essi onal engi neer .

9. Ti t l e and r evi si on bl ock.

10. Legend i dent i f yi ng symbol s and abbr evi at i ons.

11. Al l gr adi ng l i mi t s, i ncl udi ng t op of sl ope and t oe of sl opel ocat i ons and sl ope gr adi ent s i f separ at e gr adi ng pl ans are notr equi r ed.

12. Locat i on and gr adi ent s of al l swal es and f l ow l i nes i f separat egr adi ng pl ans are not r equi r ed.

13. Typi cal r oadway and dr ai nage cr oss- sect i ons i ncl udi ng cr oss sl opesand r i ght - of - way and easement l i mi t s l ocat ed r el at i ve t o t heproposed i mprovement s.

14. Basi s of bear i ng, i ncl udi ng l ocat i on and descri pt i on of monument sused t o est abl i sh basi s of bear i ng.

Page 35: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 35/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 35 Effective May 17, 2012

15. Bl ue st ake st i cker .

16. Resour ce pr ot ect i on ar eas.

17. Accur at e l ocat i on of al l pr oposed and exi st i ng ut i l i t i es.

18. Cl ear l y di f f erent i ate bet ween publ i c and pr i vat e i mpr ovement s.

19. Al l const r ucti on pl ans shal l r ef er ence, by Ci t y of Fl agst af f pr oj ectname and number , pr evi ousl y compl eted const r uct i on pr oj ects onadj acent pr oper t i es. Addi t i onal l y, as- bui l t i nf or mat i on f r om t hepr evi ous pl ans must be ref er enced as r el ated t o t he pr oposed pr oj ecti ncl udi ng but not l i mi t ed t o: benchmark and basi s of bear i ng,hor i zont al and ver t i cal ut i l i t y i nf or mat i on, and al l r el evantr oadway i mprovement i nf ormat i on.

Section 13-06-002-0008 As-built Plans

A. Def i ni t i on

When r ef err ed t o i n t hese St andards, t he t erms “as- bui l t pl ans” mean as-bui l t s, as- const r uct ed, or r ecor d dr awi ngs.

B. I nt ent

Pr i or t o the Ci t y’ s f i nal appr oval of any publ i c i mpr ovement or t he f i nalaccept ance of any publ i c ut i l i t i es, whi ch t he Ci t y may accept cur r ent l yor i n t he f ut ur e f or mai nt enance and oper at i on, as- bui l t pl ans must besubmi t t ed to t he Ci t y f or r evi ew and accept ance.

C. Procedur e

1. Al l as- bui l t s shal l have an appl i cant t r ansmi t t al at t ached asdocument at i on of who i s submi t t i ng them. Thi s i s necessary i n or der t opr ocess t he pl ans and f or cont act i nf ormat i on when the revi ew i scompl et e. Pl ans wi l l not be revi ewed i f t hi s document ati on i s mi ssi ngand/ or t he submi t t al i s deemed t o be i ncompl ete based on t hecheckl i s t .

2. Al l as- bui l t pl ans submi t t ed f or r evi ew shal l consi st of t wo ( 2) cl eanbl ue or bl ack l i ne paper set s ( copi ed f r om t he or i gi nal myl ar s, not aper mi t set ) , cont ai ni ng al l t he or i gi nal si gnat ur es. One ( 1) set wi l lbe r evi ewed and ret urned i f t her e are Ci t y comment s. Al l comment s mustbe addr essed. Two (2) r evi sed pl an sets wi l l be requi r ed wi t h each r e-submi t t al al ong wi t h t he pr evi ous r edl i ned r evi ew set unt i l f i nal Ci t yappr oval .

3. Upon Ci t y appr oval , one (1) set of Myl ars shal l be submi t t ed t o theCi t y f or per manent r ecor d. I f t he pr oj ect i s devel oped i n phases, as-bui l t i nf or mati on/ pl ans wi l l be submi t t ed once t he wor k i s compl et e i nt hat phase.

D. Cr i t er i a

As- bui l t dr awi ngs shal l cont ai n, but ar e not l i mi t ed t o, t he f ol l owi ngi nf or mat i on:

Page 36: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 36/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 36 Effective May 17, 2012

1. The pl ans shal l cont ai n t he type and det ai l of i nf ormat i on shown ont he appr oved const r uct i on pl ans.

2. Al l publ i c i mpr ovement s ( Wat er , Sani t ar y Sewer , St or m Sewer , and

St r eet s) shal l be as- bui l t . For a l i st of al l r equi r ed i t ems see t he“As- Bui l t ” checkl i st avai l abl e f r om t he Ci t y Engi neer or hi saut hor i zed r epr esent at i ve.

3. As- bui l t dr awi ngs shal l be cr eated usi ng comput er ai ded dr af t i ng ( CAD)comput er sof t ware.

4. Al l as- bui l t sur vey dat a shal l t i e i nt o the same si t e benchmar ks ast hose used f or t he const r uct i on pl ans.

E. Cert i f i cat i on

Al l as- bui l t pl ans shal l cont ai n a st at ement by a l i censed pr of essi onalengi neer who i s cur r ent l y regi st er ed i n t he St at e of Ar i zona cer t i f yi ngt he dr awi ngs t o be as- bui l t . Al l pl ans must al so cont ai n t he seal andsi gnat ur e of sai d r egi st er ed pr of essi onal .

Section 13-06-002-0009 Final Plan Submittal

Upon appr oval of t he const r uct i on pl ans, but pr i or t o t he i ssuance of aper mi t f or const r uct i on, 1 compl et e set of pl an ori gi nal s ( whi ch shal l be a 4mi l r ever se doubl e mat t e myl ar of l egi bl e qual i t y) and 1 addi t i onal coversheet shal l be submi t t ed t o t he Ci t y f or si gnatur es. One si gned cover sheetwi l l be r et ur ned t o t he consul t ant f or t hei r r ecor ds. The Ci t y wi l l r et ai nt he compl et e or i gi nal set as t he of f i ci al pl ans f or t he pr oj ect . Theconsul t ant wi l l t hen pr ovi de t he Ci t y wi t h bl uel i ne pl an set s f or i ssuance ofconst r uct i on per mi t s. I n addi t i on, unl ess speci f i cal l y exempt ed by t he Ci t y

Engi neer , t he consul t ant shal l pr ovi de to t he Ci t y t he appr oved pl ansdi gi t al l y, as r equi r ed by t he Ci t y’ s “Di gi t al Dat a Submi ssi on St andar ds”( when devel oped and adopted) .

Sections:

13-06-003  Grading Plans

13-06-003-0001  Plan and Support Information

13-06-003-0002  Plan Presentation

13-06-003 Grading Plans

Section 13-06-003-0001 Plan and Support Information Required

A. Appr oval of t hese pl ans by t he Ci t y i s f or a one- year peri od, subsequentt o t he dat e of appr oval . I f const r uct i on wor k i s not st ar t ed wi t hi n t heone- year peri od, or has been di scont i nued f or any reason f or l onger t hanone year , t he pl ans shal l be r esubmi t t ed f or r evi ew and r eappr oval .

B. Gr adi ng pl ans shal l meet al l r equi r ement s of Appendi x J , of t he cur r ent l yadopt ed I nt er nat i onal Bui l di ng Codes and t he Ci t y of Fl agst af f St or mwat erManagement Desi gn Manual . Support i ng soi l s anal ysi s and hydr ol ogi cst udi es may be r equi r ed. Any excavat i on or f i l l exceedi ng 50 cubi c yardswi l l r equi r e a gr adi ng pl an and gr adi ng per mi t . When a soi l s repor t i s

Page 37: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 37/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 37 Effective May 17, 2012

r equi r ed, i t shal l be r ef er enced on t he gr adi ng pl ans by f i r m, pr oj ectnumber , and dat e.

C. To ensure coor di nat i on bet ween gr adi ng and l andscapi ng pl ans, t hef ol l owi ng not e shal l appear on al l gr adi ng pl ans:

By si gni ng t hese pl ans, t he desi gner of t he l andscapi ng pl ansconf i r ms t hat t hese gr adi ng pl ans have been r evi ewed, i s awareof t he scope of t he pr oj ect , and has i dent i f i ed and addr essedany potent i al conf l i ct s bet ween t he gr adi ng and l andscapi ngpl ans.

Landscape Desi gner Dat e

D. To ensure coor di nat i on bet ween gr adi ng and l andscapi ng pl ans, t hef ol l owi ng note shal l appear on al l l andscapi ng pl ans:

By si gni ng t hese pl ans, t he desi gner of t he gr adi ng pl ansconf i r ms t hat t hese l andscapi ng pl ans have been revi ewed, i saware of t he scope of t he pr oj ect , and has i dent i f i ed andaddr essed any potent i al conf l i ct s bet ween t he gr adi ng andl andscapi ng pl ans.

Engi neer / Desi gner Date

Section 13-06-003-0002 Plan Presentation

One myl ar ( 4 mi l . doubl e mat t e) of t he appr oved gr adi ng and dr ai nage pl an( s)shal l be submi t t ed as publ i c r ecor d pr i or t o i ssuance of t he gr adi ng per mi t .

At a mi ni mum, t he gr adi ng pl an shal l be pr epared i n accor dance wi t h t he Ci t yof Fl agst af f St ormwater Desi gn Manual and t he l atest edi t i on of t heI nt er nat i onal Bui l di ng Code.

Sections:

13-06-004  Drainage Plans

13-06-004-0001  Drainage Plans

13-06-004 Drainage Plans

Section 13-06-004-0001 Drainage Plans Plans

Publ i c i mpr ovement drai nage pl ans shal l be i n accor dance wi t h t her equi r ement s set f or t h i n t he Ci t y of Fl agst af f St ormwat er Management Desi gnManual and Fl agst af f Ci t y Code, Ti t l e 13, Sect i on 13- 06- 002- 0007  of t heser egul at i ons.

Sections:

13-06-005  Water and Sewer Plans13-06-005-0001  ADEQ Approval13-06-005-0002  Plan Presentation

13-06-005-0003  Existing Utilities

Page 38: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 38/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 38 Effective May 17, 2012

13-06-005-0004  Sewer Plans

13-06-005-0005  Water Plans

Section 13-06-005 Water and Sewer Plans

Section 13-06-005-0001 ADEQ ApprovalAl l wat er and sewer pl ans must r ecei ved ADEQ appr oval pr i or t o Ci t y appr oval .

Section 13-06-005-0002 Plan Presentation

A. A bench mar k l ocat i on ( t emporary bench marks may be acceptabl e) andel evat i on i s t o be est abl i shed i n t he f i el d and i ncl uded on each pl ansheet .

B. Ut i l i t y mai n l i nes and servi ce l i nes must be l ocated and di mensi oned wi t hr espect t o pr oper t y l i nes, easement l i nes, r i ght - of - way l i nes and ot herest abl i shed poi nt s. St at i oni ng must be cl ear and cor r el at ed t o pr of i l esand est abl i shed poi nt s of sur vey. Suf f i ci ent el evat i on i nf or mat i on mustbe shown t o al l ow vi sual i zat i on i n t hr ee di mensi ons of ut i l i t i es,st r eet s, and l ot s. Typi cal t r ench det ai l s shal l be shown on t he pl ans.

C. The cover sheet or second sheet wi t h a mast er ut i l i t y pl an at no smal l ert han 1"=100' ( 1: 1000) shal l be i n t he f i nal const r uct i on pl ans, showi ngt he l i mi t s of each pl an sheet , st r eet out l i nes and l ocat i ons of al lval ves, f i r e hydr ant s, bl ow- of f s, and manhol es.

Section 13-06-005-0003 Existing Utilities

Al l known exi st i ng ut i l i t i es or ot her per t i nent st r uct ur es are t o be shown ont he pl ans. Wher e crossi ngs of under gr ound ut i l i t i es occur , ver t i calseparat i ons need t o be shown. I f any ut i l i t y company i mposes speci alcondi t i ons or pr ecaut i ons concer ni ng t hei r ut i l i t y, not at i on of t hose

i nst r uct i ons shal l be i ncl uded on t he pl ans. Accur ate el evat i on andal i gnment of al l ut i l i t i es shal l be shown on t he pl ans. Pot hol i ng shal l beut i l i zed i n det er mi ni ng ut i l i t y el evat i ons and al i gnment i f necessar y. I t i st he r esponsi bi l i t y of t he engi neer t o l ocat e and det er mi ne ut i l i t y l ocat i ons.

Section 13-06-005-0004 Sewer Plans

Sewer pl ans are t o meet cr i t er i a of Ar i zona Depart ment of Envi r onment alQual i t y ( ADEQ) Engi neer i ng Bul l et i n No. 11. Pl ans and pr of i l es shal l bepr ovi ded whi ch adequat el y show al l manhol e st at i oni ng, sewer s i zes, manhol ei nver t and r i m el evat i ons, and l engt h of r each and gr ades of l i nes. St at i onsand di mensi ons of sewer ser vi ces are t o be shown t o each l ot . A pl an l ayoutof water l i nes i s t o be shown on t he sewer pl an wi t h hor i zont al di st ances t owater l i nes shown. Water l i ne cr ossi ngs shal l be shown i n t he sewer pr of i l e.

Section 13-06-005-0005 Water Plans

A. Wat er pl ans may be present ed wi t h sewer pl ans.

B. Pl ans ar e t o show wat er pi pe cl ass and t ypes of mat er i al s, si zes,pr essur e zones, f i t t i ngs, val ves and f i r e hydr ant s, and any ot her speci ali nf or mat i on r equi r ed f or cl ar i t y. El evat i ons or pr of i l es of wat er l i nesext endi ng i nt o ol der uni mpr oved st r eet s may be requi r ed i f dept h of waterl i nes i s cri t i cal t o f ut ur e or pl anned devel opment . Wat er l i ne pr of i l es

Page 39: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 39/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 39 Effective May 17, 2012

shal l be i ncl uded wher ever water l i ne dept h i s di f f er ent t han t he t ypi calst andard dept h and wher ever necessary to cl ari f y cl earances t o exi st i ngor proposed f aci l i t i es. Wat er l i nes of l ar ger t han 12” shal l be pr of i l edi n any case. A pl an l ayout of sewer l i nes i s t o be shown on t he wat erpl ans, wi t h hor i zont al di st ances t o sewer l i ne shown. A det ai l showi ng

l ocat i ons of wat er met er s wi t hi n r i ght s- of - way or publ i c ut i l i t yeasement s i s t o be i ncl uded.

Sections:

13-06-006  Street Plans13-06-006-0001  Layout

13-06-006-0002  Plan Presentation

Section 13-06-006 Street Plans

Section 13-06-006-0001 Layout

St r eet pl ans ar e t o conf or m t o t he l ayout of t he appr oved si t e pl an,pr el i mi nar y pl at , a pr evi ousl y recor ded pl at or t o recor ded r i ght - of - waydocument s and easement s, and t he st r eet desi gn cr i t er i a i n t hi s document .

Section 13-06-006-0002 Plan Presentation

Pl ans, pr of i l es, and t ypi cal cross- sect i ons ar e r equi r ed whi ch cont ai n t hef ol l owi ng mi ni mum i nf ormat i on:

A. Pl ans:

1. St r eet names.

2. Lat er al di mensi ons of st r eet s and r i ght s- of - way, i ncl udi ng al lper t i nent survey data and cur b r et ur n data.

3. Locat i on of exi st i ng and pr oposed ut i l i t i es and exi st i ng st r eet s t obe j oi ned.

4. Dr ai nage st r uct ur es, i ncl udi ng cross gut t er s, cul ver t s, cat chbasi ns, or si mi l ar i t ems. Di st i ngui sh bet ween exi st i ng dr ai nagest r uct ur es and t hose pr oposed. Show a posi t i ve out l et f or al ldr ai nage and any ef f ect s on the downst r eam pr oper t y.

5. Cur b, gut t er , si dewal ks, and asphal t st r uct ur es.

6. Bench mar ks used.

7. New t r af f i c cont r ol devi ces, al l exi st i ng t r af f i c cont r ol devi ceswi t hi n t he ar ea of t he pr oj ect , and changes i n t r af f i c cont r oldevi ces i n t he vi ci ni t y of t he pr oj ect whi ch ar e r equi r ed as ar esul t of t he pr oj ect.

8. Exi st i ng and new st r eet l i ght s conf or mi ng t o t he appr oval si t e pl anor pr el i mi nar y pl at .

9. The t op and t oe of sl ope f or bot h cut s and f i l l s.

10. Al l cur ve data shown on t he pl ans shal l show a del t a, r adi us, l engt h

Page 40: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 40/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 40 Effective May 17, 2012

of ar c, and t angent .

11. Sur vey monument i nst al l at i on shal l be i ndi cat ed on t he pl ans.Appropri at e pl aces are st reet i nt ersect i ons, P. C. ' s , P. I . ' s , P. T. ' s ,sect i on cor ner s, si xteent h cor ner s, and subdi vi si on cor ner s i f

appl i cabl e i n t he st r eet s. Pl ease not e Sect i on 3- 11- 001- 0001  orsur vey monument s.

12. Addi t i onal i nf or mat i on needed t o cl ar i f y pl ans or deal wi t h speci f i ccondi t i ons.

13. Al l pl ans shal l meet r equi r ement s of Sect i on 13- 06- 003  i f separ at egr adi ng pl ans are not i ncl uded.

14. Bl ue St ake st i cker on al l sheet s.

15. Resour ce pr ot ect i on ar eas.

16. Fl agst af f Ur ban Trai l s System.

17. Er osi on pr ot ect i on measur es f or r oadway sl opes ( cut and f i l l ) .

18. Al l areas di st ur bed by gr adi ng shal l be seeded per Ti t l e 17 of t hesest andar ds.

B. Prof i l es

1. Bench mar ks, i ncl udi ng descr i pt i on of l ocat i on and el evat i on.Sour ce of ver t i cal dat um shal l be a Ci t y accept ed benchmark ( i n NAVD88) . Thi s sour ce benchmark shal l be noted on pl ans.

2. Exi st i ng and f i ni shed gr ade pr of i l es. Tr i pl e pr of i l es of cent er l i neand bot h si des of t op of curb or edge of pavement i f no cur b i s

pr oposed are r equi r ed. The pr esent at i on must cl ear l y show anddi st i ngui sh exi st i ng pr of i l es and ot her prof i l e i nf or mat i on.

3. Fi ni shed el evat i ons, i ncl udi ng PVC, PI , and PVT of ver t i cal cur ves,i nt er sect i on poi nt s, and al l ot her poi nt s needed f or good ver t i calcont r ol of const r ucti on.

4. Sl opes and ver t i cal cur ve l engt hs.

5. Cur b r et ur n pr of i l es at i nt er secti ons.

6. Dr ai nage st r uct ur es and ut i l i t i es crossed.

7. Extensi on of pr of i l e a mi ni mum of 200 f eet past t he end of t hei mprovement pr oj ect or as requi r ed by the Ci t y Engi neer t o ensur et hat desi gn i s compat i bl e wi t h f ut ur e extensi on.

8. Consi st ent st at i oni ng t hr oughout the pl ans.

9. Addi t i onal i nf or mat i on needed t o cl ar i f y pr of i l es or deal wi t hspeci al condi t i ons, e. g. , pr of i l e of dr ai nage channel s, st at i oni ngand el evat i ons at begi nni ng and end of al l cur b r et ur ns, gr adebr eaks, and begi nni ng and end of const r uct i on.

Page 41: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 41/382

Page 42: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 42/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 42 Effective May 17, 2012

any reason f or l onger t han one year , t he pl ans shal l be resubmi t t edf or r evi ew and r e- appr oval .

2. Pl an r evi ew by t he Ci t y does not ext end t o materi al quant i t i es shownon t he pl ans.

3. A publ i c wor ks per mi t , i ssued by t he Ci t y, i s requi r ed f or al l wor ki n Ci t y r i ght s- of - way or easement s and f or const r uct i on of anyi mprovement s i ntended t o become publ i c pr opert y.

4. The Ci t y shal l be not i f i ed 24 hour s pr i or t o begi nni ng di f f er entphases of const r uct i on so t hat Ci t y i nspect ors may be schedul ed.

5. Al l mater i al s and workmanshi p shal l compl y wi t h Fl agst af f Ci t y Code, Ti t l e 13, "Engi neer i ng Desi gn and Const r uct i on St andar ds andSpeci f i cat i ons f or New I nf r ast r uct ur e", cur r ent "MAG Uni f or mSt andar d Speci f i cat i ons and Det ai l s f or Publ i c Works Const r uct i on" ,t he Ci t y of Fl agst af f St ormwater Desi gn Manual ,   and wi t h gener al l yaccept ed engi neer i ng desi gn and const r uct i on pr act i ce. Al l work and

mater i al s whi ch do not conf or m t o the st andards and speci f i cat i onsare subj ect t o r emoval and repl acement at t he cont r actor' s expense. The cont r act or i s r esponsi bl e f or r evi ewi ng Chapt er 21  of t heseStandar ds whi ch makes mi nor modi f i cat i ons t o cer t ai n MAGSpeci f i cat i ons and Det ai l s.

6. Any work per f ormed wi t hout t he knowl edge and approval of t he Ci t yEngi neer or hi s aut hori zed repr esent ati ve i s subj ect t o r emoval andr epl acement at t he cont r act or' s expense.

7. The Ci t y Engi neer or hi s aut hor i zed r epr esentat i ve may suspend t hework by wr i t t en not i ce when, i n hi s j udgment , pr ogr ess i sunsati sf act ory, wor k bei ng done i s unaut hor i zed or def ect i ve,weather condi t i ons are unsui t abl e, or t her e i s danger t o the publ i c

heal t h or saf et y.

8. The Ci t y Engi neer may order any or al l mater i al s used i n t he work t obe test ed accor di ng t o t he Amer i can Associ at i on of St at e Hi ghway and

 Tr anspor t at i on Of f i ci al s ( AASHTO) and t he Amer i can Soci et y f or Test i ng and Mat er i al s ( ASTM) St andar ds. The Cont r act or shal l , athi s expense, suppl y al l sampl es r equi r ed f or t est i ng.

9. Access whi ch meets Sect i on 13- 13-004- 0001, f i r e hydr ant s, wat er mai ns,and st r eet name si gns shal l be i n pl ace and appr oved bef ore and at al lt i mes dur i ng on- si t e combust i bl e const r uct i on and/ or pr i or t o i ssuanceof bui l di ng permi t s i n new subdi vi si ons. Fi r e Depart ment andEngi neer i ng Sect i on appr oval i s r equi r ed f or obst r uct i on of access or

water syst emshut down.

10. The cont r act or shal l be responsi bl e f or mai nt enance of t he str eet sand of par t i al l y compl et ed por t i ons of t he wor k unt i l f i nalaccept ance of t he work. The cont r act or shal l submi t t o t he Ci t yEngi neer f or appr oval a const r uct i on schedul e f or any st r eet s r equi r edt o be cl osed or par t i al l y cl osed f or t he const r uct i on act i vi t y. Thecont r actor shal l r eopen t he st r eet s no l ater t han t he openi ng dateshown on t he const r uct i on schedul e or upon order of t he Ci t y Engi neer .

 The r egul at i on and cont rol of const r uct i on t r af f i c shal l be asdi r ect ed by t he Ci t y Engi neer or hi s aut hor i zed r epr esent at i ve.

Page 43: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 43/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 43 Effective May 17, 2012

11. Appr oval of a port i on of t he work i n pr ogr ess does not guarant ee i t sf i nal accept ance. Test i ng and eval uat i on may cont i nue unt i l wr i t t enf i nal accept ance of a compl et e workabl e uni t . Any def ect s whi chappear i n t he work wi t hi n one year f r om t he date of accept ance and

whi ch are due t o i mpr oper workmanshi p or i nf er i or mater i al s suppl i edshal l be cor r ect ed by or at t he expense of t he owner/ devel oper ort he cont r actor.

12. Accept ance of compl eted publ i c i mpr ovement s wi l l not be gi ven unt i ldef ect i ve or unaut hor i zed work i s r emoved, and f i nal cl ean- up i scompl ete.

13. Locat i on of under gr ound ut i l i t i es bef or e work i s begun i s t o beaccompl i shed i n accor dance wi t h ARS 40- 360. 22.

14. I f wor k i s done on pr i vat e pr oper t y i n r el at i on t o a pr oj ectconst r uct ed under t hese standar ds, t he cont r act or wi l l pr ovi de theCi t y wi t h wr i t t en aut hor i zati on f r om t he pr oper t y owner t o do so.

15. The est abl i shment and use of t emporar y const r uct i on yar ds shal lconf orm t o t he cur r ent Ci t y Zoni ng Code st andards f or "Temporar yUses".

16. Al l excavat ed mater i al shal l be di sposed of i n accordance wi t happl i cabl e Ci t y codes and r egul at i ons. The cont r act or shal l obt ai nal l r equi r ed Ci t y appr oval s and permi t s, as deemed necessar y by theCi t y, t o di spose of excavat ed mat er i al .

17. Al l const r ucti on staki ng shal l be the r esponsi bi l i t y of t hecont r actor/ devel oper and per f ormed under t he di r ect super vi si on of aRegi st er ed Land Sur veyor or Ci vi l Engi neer .

18. Al l t r af f i c si gn sheet i ng shal l be Type VI I I as desi gned by ASTMD4956- 07e1 St andar d Speci f i cat i ons f or Ret r or ef l ect i ve Sheet i ng f or

 Traf f i c Cont r ol , unl ess speci f i ed ot her wi se on t he const r uct i on pl ans.

19. When t he const r uct i on pl ans speci f y gr af f i t i cont r ol on br i dges orot her st r uctures, t he cont r actor shal l seal t he st r uctur e f i r st usi ngMonochem Aquaseal ME 12 and then appl y Monochem Per mashi el d,Sacri f i ci al Gr af f i t i Cont r ol System ( or appr oved equal ) .

20. Al l ar eas di st ur bed dur i ng const r uct i on shal l be st abi l i zed r eseededi n accor dance wi t h Chapter 13- 17  of t hi s Ti t l e. I n t he event t hat t heconst r uct i on act i vi t y di st ur bs more t han one acre, a st ormwaterpol l ut i on pr event i on pl an ( SWPPP) shal l be pr epared i n order t o obt ai na const r uct i on gener al per mi t f r omADEQ.

Section 13-06-007-0002 Water and Sewer Notes (water and sewer plans)

Al l desi gn, const r uct i on, t est i ng and i nspect i on shal l conf or m t o the ADEQr equi r ement s: water di st r i but i on i n accor dance wi t h Bul l et i ns 10 and 8, andsewer col l ect i on i n accor dance wi t h AAC Ti t l e 18. I n t he event t he ADEQr equi r ement s conf l i ct wi t h these St andar ds, t he mor e restr i ct i ve shal l appl y.

A. Rough gr adi ng shal l be compl et ed wi t hi n one- t ent h of a f oot of pl an gr ade

Page 44: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 44/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 44 Effective May 17, 2012

and appr oved by t he Ci t y Engi neer ’ s aut hori zed r epr esent at i ves pr i or t oi nstal l at i on of under gr ound ut i l i t i es.

B. No t r ench shal l be f i l l ed wi t h beddi ng mat er i al or backf i l l unt i l t heexcavat i on and pi pe l ayi ng, r espect i vel y, have been appr oved by t he Ci t y

Engi neer ' s aut hor i zed r epr esent at i ve.

C. A wat er pr essur e t est i s requi r ed of al l wat er l i nes and a hydr ost at i c orai r t est i s r equi r ed of al l sewer l i nes and manhol es. Test s ar e t o beconduct ed af t er backf i l l i ng i s compl et e and compact ed on al l publ i cand/ or pr i vat e under gr ound ut i l i t i es.

D. Wat er and sewer servi ce l i nes are t o be marked as shown on t he st andar dser vi ce det ai l s .

E. Wat er l i ne di si nf ect i on i s to be accompl i shed as out l i ned i n Ar i zonaDepart ment of Envi r onment al Qual i t y ( ADEQ) "Bul l et i n No. 8. "

F. Water pi pe cl assi f i cat i on shal l be Cl ass 305 f or A. W. W. A. C- 900 PVC andCl ass 350 f or duct i l e i r on unl ess ot her wi se appr oved by the Ci t yEngi neer . C- 900 shal l conf or m t o cast - i r on- equi val ent out si de di amet erand have el astr omer i c gasket s and coupl i ngs. Al l duct i l e i r on pi pe l i nesshal l be pol yet hyl ene encased i n accor dance wi t h MAG Speci f i cat i ons.

G. Al l mat er i al s that come i nt o cont act wi t h dr i nki ng wat er shal l conf or m t oNSF St andar d 61 i ncl udi ng, but not l i mi t ed t o, gasket s, l ubr i cant s, pi pef i t t i ngs, and val ves. ( NSF- pw seal ) ( R18- 4- 119B)

H. Al l publ i c sani t ar y sewer l i nes and pr i vat e sewer ser vi ce l i nes wi t hi n apubl i c ut i l i t y easement or r i ght - of - way wi l l be i nspect ed pr i or t oaccept ance by t he Ci t y.

I . Water and sewer mai ns shal l be separat ed i n order t o pr otect publ i c water

systems f r om possi bl e cont ami nat i on. Al l di st ances ar e measur edper pendi cul ar l y f r om t he out si de of t he sewer mai n t o the out si de of t hewater mai n. Separat i on r equi r ement s ar e as f ol l ows:

1. A water mai n shal l not be pl aced:

a. Wi t hi n si x f eet , hor i zont al di st ance, and l ess t han t wo f eet ,ver t i cal di st ance, above t he t op of a sewer mai n unl ess ext r apr ot ecti on i s pr ovi ded. Ext r a pr ot ecti on shal l consi st ofconst r uct i ng the sewer mai n wi t h mechani cal j oi nt duct i l e i r onpi pe or wi t h s l i p- j oi nt duct i l e i r on pi pe i f j oi nt r estr ai nt i spr ovi ded. Al t er nat e ext r a pr ot ect i on shal l consi st of encasi ngboth the water and sewer mai ns i n at l east si x i nches of concret ef or at l east t en f eet beyond t he area cover ed by thi s paragr aph.

b. Wi t hi n t wo f eet hor i zont al l y and t wo f eet bel ow t he sewer mai n.When a water mai n i s pl aced bel ow a sewer mai n, ext r a pr otect i oni s al ways requi r ed r egar dl ess of t he ver t i cal separ at i on.

2. No water pi pe shal l pass t hr ough or come i nt o cont act wi t h any part ofa sewer manhol e. The mi ni mum hor i zontal separat i on bet ween wat ermai ns and manhol es shal l be si x f eet , measured f r om t he cent er of t hemanhol e.

Page 45: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 45/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 45 Effective May 17, 2012

3. The mi ni mum separ at i on bet ween f orce mai ns or pressure sewers andwat er mai ns shal l be t wo f eet ver t i cal l y and si x f eet hor i zont al l yunder al l condi t i ons. Where a sewer f orce mai n cr osses above or l esst han si x f eet bel ow a water l i ne, t he sewer mai ns shal l be encased i nat l east si x i nches of concret e or const r uct ed usi ng mechani cal j oi nt

duct i l e i r on pi pe f or t en f eet on ei t her si de of t he wat er mai n.

4. Even when ext r a pr otect i on i s ut i l i zed, t he mi ni mum cl earance bet weenwater and sewer shal l be one f oot ( 1’ ) .

5. The separat i on r equi r ement s do not appl y t o bui l di ng, pl umbi ng, ori ndi vi dual house ser vi ce connect i ons.

 J . When hydr ost at i c t est i ng i s perf or med, sewer l i nes shal l be t est ed f ori nf i l t r at i on/ exf i l t r at i on per ADEQ Engi neer i ng Bul l et i n No. 11. Manhol esshal l be t est ed by f i l l i ng t he manhol e wi t h wat er . The appl i cant shal lensure t hat t he dr op i n water l evel does not exceed 0. 001 of t he totalmanhol e vol ume i n one hour .

When ai r t est i ng i s per f ormed, sewer l i nes shal l be t est ed i n accor dancewi t h ASTM F1417- 92. Manhol es shal l be t est ed i n accor dance wi t h ASTMC1244- 93.

K. Sewer pi pe shal l be SDR 35, ASTM D3034 f or PVC pi pe, or Cl ass 150 DI Pl i ned wi t h Prot ect o 401 cer ami c epoxy or HDPE ASTM F894. Al l duct i l ei r on pi pel i nes shal l be pol yet hyl ene encased i n accor dance wi t h MAGSpeci f i cat i ons. Speci al desi gn consi der at i ons may r equi r e a hi gher cl assr at i ng of DI P.

L. No wat er set t l i ng of t r ench f i l l mat er i al i s al l owed.

M. Al l wat er and sewer desi gn and const r uct i on shal l conf or m t o t he cur r entAr i zona Depar t ment of Envi r onment al Qual i t y ( ADEQ) r equi r ement s. When

ADEQ r equi r ement s are i n conf l i ct wi t h t hese st andar ds, t he morerestr i ct i ve shal l appl y.

N Tr acer wi r es and t apes shal l be i nst al l ed pr i or t o t est i ng t he wat er orsewer mai n as r equi r ed by Sect i on 13- 09- 001- 0002  . ( St r i p wi r e 2 i nchesat t er mi nat i on of t he ser vi ce) .

O. Water val ves shal l be adj ust ed per C. O. F Det ai l No. 9- 03- 060  and manhol esshal l be adj ust ed per C. O. F Det ai l No. 9- 03- 062.

P. One hundr ed per cent ( 100%) of t he sewer l i ne shal l be t est ed f or uni f ormsl ope by remot e camer a and test ed f or short - t er m def l ect i on.

1. When a sewer servi ce i s r equi r ed t o be abandoned, i t shal l beabandoned at t he pr opert y l i ne and capped usi ng the appr opr i at emat er i al s ( PVC, cl ay, or concret e) .

2. When an exi st i ng water ser vi ce i s r equi r ed t o be abandoned, i t shal lbe abandoned at t he mai n. The saddl e and corp. s t op shal l ber emoved and the mai n cl amped wi t h an appr oved f ul l ci r cl e repai rcl amp.

Q. The l ocat i on of water ser vi ces shal l be i dent i f i ed by br andi ng a “W” ont he top or f ace of cur b.

Page 46: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 46/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 46 Effective May 17, 2012

R. Sewer ser vi ce l ocat i ons shal l be i dent i f i ed by br andi ng an “S” on t he t opor f ace of t he cur b.

Section 13-06-007-0003 Paving Notes (Paving Plans)

A. . Exact poi nt of mat chi ng t er mi nati on and over l ay, i f necessary, shal l bedet er mi ned i n the f i el d by t he Ci t y Engi neer or hi s aut hor i zedr epr esent at i ve. When a l ongi t udi nal j oi nt associ at ed wi t h a t r ench path,pavement mat chup or ot her occur s on a st r eet t hat i ncl udes a bi ke l ane,t he j oi nt shal l be l ocat ed out si de t he bi ke l ane.

B. No j ob wi l l be consi der ed compl et e unt i l : a) al l cur bs, pavement s,si dewal ks, cat ch basi ns, st orm dr ai ns, and manhol es have been cl eaned ofal l di r t and debr i s; b) survey monument s are i nst al l ed and st amped; andc) al l f r ames, cover s, and val ve boxes are adj ust ed to gr ade.

C. No pavi ng const r ucti on shal l be st ar t ed unt i l al l ut i l i t y l i nes ar ecompl et ed and approved under proposed paved ar eas.

D. Base cour se wi l l not be pl aced unt i l subgr ade has been appr oved by t heCi t y Engi neer or hi s aut hor i zed repr esent at i ve.

E. . The l ocat i on of al l water val ves, f i r e hydr ant s, and manhol es must at al lt i mes dur i ng const r uct i on be ref er enced and made accessi bl e t o t he Ci t y.

F. Ut i l i t y f aci l i t i es i n conf l i ct wi t h t hi s wor k wi l l be r el ocat ed by t heper mi t t ee or t he ut i l i t y owner . Thi s act i vi t y shal l be coor di nat ed wi t ht he owner of t he ut i l i t y to pr event any unnecessar y i nt er r upt i on ofser vi ce t o exi st i ng cust omer s.

G. Exi st i ng st r eet name si gns, t r af f i c si gns and devi ces associ at ed wi t h t he

pr oj ect shal l be mai nt ai ned dur i ng const r uct i on and r el ocat ed by t hecont r act or as shown on t he appr oved pl ans.

H. Any changes or addi t i ons t o pavement marki ngs caused by pavement over l ay,chi p seal , or i nst al l at i on of under gr ound f aci l i t i es shal l be shown ont he approved pl ans.

I . A chi p seal i s r equi r ed on al l publ i c pavi ng pr oj ect s. On pr oj ect s wher et he cont r actor causes excessi ve damage t o an exi st i ng paved st r eet ort her e ar e mul t i pl e st r eet cut s ( maxi mum of f our i n 500 f eet ) an asphal tover l ay shal l be r equi r ed.

 J . A pr i me coat i s not r equi r ed unl ess so speci f i ed i n t he soi l s andpavement r epor t and/ or shown on the pl ans.

K. Al l cur b and gut t er , si dewal k, dr i veways, and si dewal k r amps shal l beconst r ucted on a mi ni mum 3 i nches of aggr egate base cour se (ABC) . TheABC shal l be const r uct ed per MAG Sect i on 310, and shal l be compact ed t o95% r el ati ve densi t y. Al l pr ecast st r uct ur es such as manhol e bases,cat ch basi ns, and box cul ver t s shal l be const r uct ed on a mi ni mum of 3i nches of ABC.

L. Permanent pavement mar ki ngs.

Page 47: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 47/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 47 Effective May 17, 2012

1. Transver se pavement marki ngs such as st op bars, cr osswal ks, ar r ows,and l egends shal l be i nst al l ed per ADOT St andard Speci f i cat i on 705,

 Type 1.

2. Longi t udi nal pavement marki ngs shal l be i nst al l ed per ADOT St andard

Speci f i cat i on 708 and shal l be appl i ed i n t wo coat s.

M. Temporar y pavement mar ki ngs.

1. Temporary pavement marki ngs, when approved, shal l be i nst al l ed perADOT St andard Speci f i cat i on 701- 3. 05.

2. The use of t emporary marki ngs i s st r ongl y di scour aged and may onl ybe used wi t h pr i or appr oval .a. When i t i s used, t he cont r act or must be avai l abl e t o r est r i pe as

needed unt i l t he permanent marki ngs can be i nst al l ed.

NOTE: When i t i s i mpr act i cabl e f or t he cont r actor t o pr ovi de per manentmarki ngs, t he Ci t y Publ i c Works Depart ment may i nst al l t he marki ngs onbehal f of t he cont r act pr ovi ded the f ee f or t he work i s agr eed upon andpai d f or i n advance.

N. The maxi mum t hi ckness of a si ngl e l i f t of pavement shal l be 4 i nches.

Section 13-06-007-0004 Landscaping Notes

Adj acent si t e i mpr ovement s, pavement const r uct i on, i r r i gat i on i nst al l at i onand f i ni sh gr adi ng shal l be compl et ed pr i or t o pl ant i ng work. Do not pl antwhen condi t i ons ar e not sui t abl e f or di ggi ng, mi xi ng, r aki ng and/ or gr adi ng.Pl ant i ng needs t o occur dur i ng t he mont hs t hat i r r i gat i on syst ems are i noperat i on. Theref ore, pl ant i ng may occur between Apr i l 1 and Sept ember 30.

A. Tr ee and Shr ub I nst al l at i on

1. Soi l excavat ed f r om t he pl ant i ng pi t shal l be t ypi cal l y consi der edaccept abl e as backf i l l mat er i al f or pl ant i ng.

2. Al l cont ai ner s shal l be r emoved pr i or t o pl ant i nst al l at i on i n amanner t hat does not di st ur b t he pot t ed soi l or r oot bal l .

3. Set t he r oot bal l on si x ( 6) i nches of f i r m pl ant i ng soi l , pl umb andi n t he cent er of t he pi t wi t h t he root bal l crown sl i ght l y above thesame el evat i on as adj acent f i ni shed l andscape grades. Remove anywi r e, t wi ne, bur l ap, or ot her mat er i al f r om t he upper one t hi r d oft he r oot bal l of bal l ed and bur l apped st ock. Wi r e basket s andsynt het i c bur l ap shal l be compl et el y r emoved af t er t he root bal l hasbeen pl aced i n i t s f i nal l ocat i on.

4. Once pl ant i s set , pl ace backf i l l mat er i al ar ound base and si des ofr oot bal l and wor k each l ayer t o set t l e backf i l l and el i mi nat evoi ds. When backf i l l i ng i s 2/ 3 compl et e, wat er thor oughl y. Pl acet he remai nder of t he backf i l l and repeat water i ng unt i l no mor e i sabsor bed. Pl ace t he f i nal l ayer of backf i l l and wat er .

Page 48: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 48/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 48 Effective May 17, 2012

5. Al l deci duous t r ees shal l be wr apped f r om t he gr ound l i ne up t o andi ncl udi ng the f i r st pr i mar y crotch f or med by t he f i r st maj or br anch.Wr appi ng shal l be done af t er t he pl ant has been i nst al l ed.

6. Two t o t hr ee i nches of speci f i ed mul ch shal l be pl aced i n t he area

di st ur bed by excavat i on of t he pl ant i ng wel l .

B. Gr oundcover I nst al l at i on

1. Pr i or t o pl ant i ng act i vi t i es, compl et el y r emove exi st i ng weeds,i ncl udi ng r oot s. I mmedi at el y pr i or t o i nst al l at i on, cul t i vat egr oundcover areas t o a dept h of si x ( 6) i nches and gr ade smoot hl yand uni f orml y. Pl ant groundcover so t he r oot cr own i s at orsl i ght l y above t he bed’ s f i ni sh gr ade. Af t er pl ant i ng ofgr oundcover and pr i or t o mul chi ng, spread pr e- emergent weed contr olover pl ant i ng bed soi l sur f ace per manuf act ur er ’ s wr i t t endi r ect i ons. I nst al l t he speci f i ed mul ch t o a dept h of t wo ( 2) i nchesover t he ent i r e gr oundcover bed.

C. Landscape Compl et i on

1. Prune dead or damaged branches, maki ng al l cut s at br anch col l ar .Mai nt ai n t he nat ur al habi t , shape and speci f i ed si ze. Remove al lt ags, l abel s, and ot her mat er i al .

Sections:

13-06-008  Construction Traffic Control Plans13-06-008-0001  General13-06-008-0002  Plan Presentation

13-06-008-0003  Traffic Control Device Maintenance Requirements

13-06-008 Construction Traffic Control Plans

Section 13-06-008-0001 General

Const r uct i on t r af f i c cont r ol pl ans shal l be i n conf or mance wi t h t her equi r ement s of t he Feder al Hi ghway Admi ni st r at i on' s Manual of Uni f or m Traf f i cCont r ol Devi ces ( MUTCD) . Al l Traf f i c Cont rol Pl ans shal l be appr oved by t heCi t y' s Traf f i c Engi neer i ng Manager pr i or t o i ssuance of any per mi t s associ atedwi t h t he pl ans. When a pr oj ect i nvol ves const r uct i on t hat r equi r es asubst ant i al t r af f i c cont r ol pl an, t he pl an shal l be submi t t ed t oget her wi t h t heconst r uct i on pl ans t o al l ow f or t he necessar y revi ew t i me.

Section 13-06-008-0002 Plan Presentation

A. Const r uct i on Tr af f i c Cont rol pl ans ar e r equi r ed f or cont r ol l i ng publ i c andconst r uct i on t r af f i c t hrough work areas and zones as wel l as f or ot herper mi t t ed act i vi t i es wi t hi n t he publ i c r i ght s- of - way and easement s.

 Traf f i c Cont r ol Pl ans may r ef erence part i cul ar t ypi cal drawi ngs contai nedi n Par t VI of t he MUTCD f or wor k of a mi nor nat ur e. Tr af f i c Cont r ol Pl ansshal l be pr epared by persons knowl edgeabl e wi t h t he f undament al pr i nci pl esof t empor ar y t r af f i c cont r ol and t he wor k act i vi t i es t o be per f or med.

B. The Tr af f i c Cont r ol Pl an shal l i ncl ude, but i s not l i mi t ed t o, t hef ol l owi ng:

Page 49: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 49/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 49 Effective May 17, 2012

1. Scal ed dr awi ngs conf ormi ng t o Ci t y St andard Speci f i cat i on No. 6- 05- 010of t he const r uct i on zone, det our s, const r uct i on st ages, and af f ect edsur r oundi ng areas. The scal e of t he dr awi ngs shal l be 1"=20' ( 1: 200) ,f or const r uct i on zones under t hr ee hundr ed f eet ( 300' ) i n l engt h and

1"=40' ( 1: 500) or 1"=50' ( 1: 500) f or const r uct i on zones gr eater t hant hr ee hundr ed f eet ( 300' ) i n l engt h.

2. Proj ect name and addr ess.

3. Ci t y per mi t number .

4. Pl an prepar at i on dat e.

5. Ti me of day ( i f appl i cabl e) t hat const r ucti on t r af f i c cont r ol i s t o bei n pl ace.

6. Tr af f i c cont r ol r esponsi bi l i t y ( name, addr ess, t el ephone No. andcont act per son f or t he barr i cade company) .

7. A l i st i ng of al l t raff i c cont rol devi ces speci f i ed f or i nstal l at i on.

8. The si ze of t he work ar ea ( al l di mensi ons) .

9. The l ocat i on of t he wor k ar ea i n r el at i on t o t he cross st r eet s,al l eys, or ot her maj or r ef er ence poi nt s ( show al l di st ances anddi mensi ons) .

10. How exi st i ng pedest r i an and bi cycl e f aci l i t i es wi l l be t empor ar i l y orpermanent l y rerout ed t hr ough or ar ound t he const r uct i on zone.

11. Rel ocat i on of t r ansi t st ops and t he cont i nuat i on of pedest r i an accesst o t hem.

12. I mpact s on access t o exi st i ng par ki ng f aci l i t i es i ncl udi ng, but notl i mi t ed t o gar ages, car por t s, and sur f ace l ot s.

13. Provi si ons f or speci al human r esour ce r equi r ement s, such as f l agger s( equi pment , cl othi ng, and f l aggi ng met hods ar e r equi r ed t o conf orm t ot he MUTCD i n every i nst ance)

14. Tel ephone number s of per sons t o be cont act ed i n an emergency and f ormai nt enance of t r af f i c cont r ol devi ces

15. A const r uct i on schedul e, as wel l as a schedul e of t he t i mes of daywhen work i s per mi t t ed or when cert ai n l anes are t o remai n open.

Section 13-06-008-0003 Traffic Control Device Maintenance Requirements 

A. The per mi t t ee shal l make dai l y i nspect i ons of al l permi t t ed t r af f i c cont r oldevi ces. The f ol l owi ng el ement s ar e t he mi ni mum number of i t ems that shal lbe i nspect ed on a dai l y basi s:

1. Conf ormance t o desi gn.

2. Condi t i on of devi ces.

Page 50: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 50/382

  CHAPTER 13-06

CONSTRUCTION PLANS

Engineering Design Standards 50 Effective May 17, 2012

3. Per f or mance of f l agger s.

4. Pl acement of devi ces.

B. I n order t o i mpr ove publ i c compr ehensi on, compl i ance, and saf et y, ci t y of f -

si t e i nspect ors may appr ove mi nor changes t o the appr oved t r af f i c cont r olpl an, based on obser ved f i el d condi t i ons.

Sections:

13-06-009  Franchise Utility Plans

13-06-009-0001  Construction Plans

Section 13-06-009 Franchise Utility Plans

Section 13-06-009-0001 Construction Plans

A. For ut i l i t i es l ocated out si de st andard l ocat i ons such as common t r encheswi t h Ci t y ut i l i t i es and publ i c ut i l i t y easement s as shown on the appr ovedpl ans, al l f r anchi se ut i l i t i es, i ncl udi ng power , gas, t el ephone, and cabl e,shal l submi t , or cause to be submi t t ed, concept const r uct i on pl ansdepi cti ng t he ut i l i t y l ocat i ons(s) , f or al l Ci t y of Fl agstaf f per mi t t edpr oj ect s f or r evi ew and appr oval al ong wi t h t he f i r st submi t t al of t hepubl i c i mpr ovement pl ans.

B. Regar di ng t he Ci t y of Fl agst af f appr oval , consi der at i on shal l i ncl ude butnot be l i mi t ed t o, mai nt enance concer ns, r esour ce and sl ope pr otect i on,st r eet buf f er - yar ds, f l oodpl ai n concerns, i mpact t o publ i c f aci l i t i es,ut i l i t y l ocat i on, and cl ear vi ew zones. The Ci t y of Fl agst af f may r equi r eut i l i t y r el ocat i on as the r esul t of t hese consi der at i ons.

Page 51: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 51/382

  CHAPTER 13-07

GRADING

Engineering Design Standards 51 Effective May 17, 2012

CHAPTER 13-07

GRADING

Sections:

13-07-001  Design Criteria13-07-002  Soils Analysis

Section 13-07-001 Grading

Section 13-07-001-0001 Design Criteria 

A. Al l desi gn and const r uct i on f or publ i c and pr i vat e gr adi ng shal l be i naccor dance wi t h t hese st andar ds and:

1. The Ci t y of Fl agst af f Stormwat er Management Desi gn Manual .

2. The cur r ent l y adopt ed I nt er nat i onal Bui l di ng Codes. .

3. The Ci t y of Fl agst af f Zoni ng Code.

4. The Engi neer ed soi l s r epor t ( i f appl i cabl e) .

Sections:

13-07-002  Soils Analysis

13-07-002-0001  Soils Analysis

Section 13-07-002 Soils Analysis

Section 13-07-002-0001 Soils Analysis 

A soi l s anal ysi s by a r egi st er ed pr of essi onal engi neer l i censed i n Ar i zonaspeci al i zi ng i n geot echni cal engi neer i ng may be requi r ed to subst ant i at e thedesi gn of t he gr adi ng pl an. Any except i ons t o st andards i nvol vi ng soi l s( st eeper si de sl ope, f or exampl e) must be j ust i f i ed by such a soi l s r epor t .

Page 52: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 52/382

  CHAPTER 13-08

STORMWATER MANAGEMENT

Engineering Design Standards 52 Effective May 17, 2012

CHAPTER 13-08

STORMWATER MANAGEMENT

Sections:

13-08-001  Stormwater Management13-08-001-0001  Stormwater Management

Section 13-08-001 Stormwater Management

Section 13-08-001-0001 Stormwater Management

 The desi gn and const r uct i on of al l publ i c and pr i vat e st or mwat er managementf aci l i t i es shal l be i n accor dance wi t h t hese r egul at i ons and wi t h t he Ci t y ofFl agst af f Stormwat er Management Desi gn Manual and t hese Standar ds. I n t heevent of a conf l i ct , t he mor e st r i ngent r egul at i on shal l appl y.

Page 53: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 53/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 53 Effective May 17, 2012

CHAPTER 13-09

 WATER, SEWER, AND OTHER UNDERGROUND UTILITIES

Sections:

13-09-001  Underground Utilities13-09-002  Sewer System Design

13-09-003  Water System Design13-09-004  City Participation In Utility Extension

13-09-005  Recapture Agreement13-09-006  Sewer And Water Line Materials And Construction13-09-007  Reclaimed Wastewater System Design

Sections:

13-09-001  Underground Utilities13-09-001-0001  Underground Utilities13-09-001-0002  Tracer Wires and Warning Tapes for Water, Reclaimed

 Wastewater and Sewer

13-09-001-0003  Water Main Depths and Separation13-09-001-0004  Sewer Main Depths and Separation13-09-001-0005  Separation from Storm Drains and Culverts

13-09-001-0006  Separation from Other Utilities13-09-001-0007  Pipe Crossing of Existing Pavement

13-09-001-0008  Utility Alignment and Easement Requirements

Section 13-09-001 Underground Utilities

 Typi cal l ocat i ons of ut i l i t i es i n st r eets ar e shown i n Engi neer i ng Det ai l 9-

01- 010. Wat er, r ecl ai med wast ewater, st orm dr ai n and sewer mai ns shoul d bel ocat ed i n the paved roadway sect i on ( mi ni mum 4 f eet f r om out si de of pi pe t ol i p of cur b) f ar enough f r om t he cur b and gut t er t o al l ow backhoe access f ormai nt enance wi t hout di st ur bi ng exi st i ng cur b and gut t er . Where possi bl e,water shal l be 10 f eet nor t h or east of cent er l i ne and sewer on t hecent er l i ne.

Section 13-09-001-0001 Underground Utilities

A. Ut i l i t i es wi t hi n easement s must be l ocat ed t o mi ni mi ze i nt er f er ence wi t hone anot her , t o pr ovi de requi r ed hor i zont al and ver t i cal separ at i ons,and, t o pr ovi de mai nt enance access wi t hout vi ol at i ng easement boundar i es.

B. For ut i l i t i es l ocated out si de st andard l ocat i ons such as common t r encheswi t h Ci t y ut i l i t i es and publ i c ut i l i t y easement s as shown on the appr ovedpl ans, al l f r anchi se ut i l i t i es, i ncl udi ng power , gas, t el ephone, and cabl e,shal l submi t , or cause to be submi t t ed, concept const r uct i on pl ansdepi cti ng t he ut i l i t y l ocat i ons(s) , f or al l Ci t y of Fl agstaf f per mi t t edpr oj ect s f or r evi ew and appr oval pr i or t o start of const r uct i on by thePubl i c I mpr ovement Cont r actor.

C. Regar di ng t he Ci t y of Fl agst af f appr oval , consi der at i on shal l i ncl ude butnot be l i mi t ed t o, mai nt enance concer ns, r esour ce and sl ope pr otect i on,f l oodpl ai n concer ns, i mpact t o publ i c f aci l i t i es, i nt er secti on si ght

Page 54: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 54/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 54 Effective May 17, 2012

t r i angl es ( cl ear vi ew zones) and ut i l i t y l ocat i on. The Ci t y of Fl agst af fmay r equi r e ut i l i t y r el ocat i on as t he r esul t of t hese consi der at i ons.

Section 13-09-001-0002 Tracer Wires and Warning Tapes for Water, Reclaimed Wastewater and Sewer

A. A t r acer wi r e shal l be i nst al l ed on al l wat er , sewer , and r ecl ai medwast ewat er mai ns. Addi t i onal l y t r acer wi r e shal l be i nst al l ed on al lsewer ser vi ces and f i r e l i nes and wat er ser vi ces ( st r i p wi r e 2 i nches att er mi nat i on) .

B. The t r acer wi r e shal l be t aped t o t he t op of water, sewer , and r ecl ai medwast ewat er mai ns wi t h 10 mi l t ape and shal l be pl ast i c covered No. 12 AWGt ype UF 600V. Pl asti c cover f or t r acer wi r es shal l be bl ue f or waterl i nes, gr een f or sewer l i nes, and pur pl e f or r ecl ai med wast ewat er l i nes.

B. An appr oved t ype, f i ve pound magnesi um anode shal l be i nst al l ed f or each1, 000 l i near f eet of t r acer wi r e or at l east one anode at each end of t heproj ect .

1. The anodes f or water l i ne t r acer wi r es shal l be i nst al l ed near t hecur b and next t o a water servi ce, ( but at a mi ni mum of 1 f oot apart )and i n a separat e cast i r on val ve box.

2. The anode shal l be pl aced at a t r acer wi r e connect i on st at i on undert he val ve box.

3. The anodes f or r ecl ai med wastewater t r acer wi r es shal l be i nst al l edi nsi de the cur b and on the sout h or west si de of t he pi pel i ne.

D. A t r acer wi r e connect i on st at i on shal l be i nst al l ed at each f i r e hydr ant ,st r eet i nt er sect i on, and one st at i on f or each 500 l i near f eet of wat er ,

sewer , and r ecl ai med wast ewat er mai n, and at each end of t he proj ect( l ocat ed on t he same si de of t he st r eet ) .

1. For wat er l i nes at an i nt er sect i on, t he t r acer wi r e shal l bei nst al l ed wi t h a water ser vi ce or f i r e hydr ant r un and set i n a casti r on val ve box next t o t he f i r e hydr ant .

2. No t r acer wi r es shal l be wr apped ar ound a f i r e hydr ant bar r el .

3. Tr acer wi r e st at i ons f or sewer s shal l be l ocat ed i n conj unct i on wi t hsewer ser vi ces.

4. For r ecl ai med wastewater l i nes at an i nt er sect i on, t he t r acer wi r eshal l be spl i ced i nt o t he mai n t r acer wi r e and r un t o a cast i r onval ve box or l ocat ed on t he sout hwest cor ner of t he i nt er sect i on.

5. For l ong l engt hs of wat er mai n wi t hout i nt er sect i ons t he connect i onst at i on shal l be i nst al l ed wi t h a wat er ser vi ce ever y 500 f eet t ot he nor t h or east si de of t he wat er l i ne.

6. For l ong l engt hs of r ecl ai med wast ewater mai n wi t hout i nt er sect i ons,t he connect i on st ati on shal l be i nst al l ed to a val ve box ever y 500f eet on t he sout h or west si de of t he r ecl ai med wast ewater l i ne.

Page 55: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 55/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 55 Effective May 17, 2012

7. Ei ght f eet of t r acer wi r e shal l be l oosel y coi l ed i nsi de a separ at ecast i r on val ve box top sect i on wi t hout a val ve.

E. The Ci t y i nspect or shal l obser ve t he t est s of al l t r acer wi r e per f or medby t he i nst al l er or t hei r agent pr i or t o pavi ng and accept ance by t heCi t y t o show t hat al l water / sewer / r ecl ai med wast ewater mai ns and ser vi ces

can be l ocat ed by t hi s means. These t est s shal l be wi t nessed by t he Ci t yi nspector.

F. The Ci t y i nspect or shal l be pr ovi ded al l i nf or mat i on necessar y t o "as-bui l t " t he l ocat i on of al l t r acer wi r e, anodes, and connecti on st at i ons.

G. Al l t r acer wi r e spl i ces shal l be car ef ul l y sol der ed and wr apped. Wi r esar e to be wr apped wi t h Scot ch 3M el ect r i cal t ape and i nser t ed i nt o adi r ect bur i al spl i ce, use Scot ch 3M DBR- 6 or equi val ent .

H. The t r acer wi r e, anodes, and connect i on st at i ons shal l be det ai l ed on t hewat er mai n, sewer mai n, and recl ai med wast ewat er mai n const r uct i on pl ans.

I . A 6- i nch wi de pl ast i c war ni ng t ape, 12 i nches t o 24 i nches bel ow f i ni shedgr ade, shal l be i nst al l ed above al l water, r ecl ai med wast ewater and sewermai ns.

1. The pl ast i c war ni ng t ape f or water mai ns shal l be bl ue, gr een f orsewer l i nes, and pur pl e f or r ecl ai med wast ewat er l i nes.

2. The t ape shal l be per manent l y pr i nt ed at l east ever y 36 i nches wi t h"BURI ED WATER LI NE BELOW" f or wat er mai ns, "BURI ED RECLAI MEDWASTEWATER LI NE BELOW" f or r ecl ai med wast ewat er mai ns, or "BURI EDSEWER LI NE BELOW" f or sewer mai ns.

Section 13-09-001-0003 Water Main Depths and Separation 

A. Mi ni mum cover i s t o be measured t o subgr ade unl ess t here i s no pavement ;t hen i t i s measur ed t o f i ni shed gr ade.

1. Water l i nes shal l have a mi ni mum cover t o subgr ade of t hr ee ( 3) f eetover t he top of t he pi pe as shown i n Engi neer i ng Det ai l 9- 01- 010.

2. Water l i nes shal l have a maxi mum dept h of si x ( 6) f eet , measur ed t ot op of pi pe, unl ess appr oved by t he Ci t y Engi neer . Except i ons t ot hi s i ncl ude ver t i cal r eal i gnment s t o avoi d ot her ut i l i t i es.

3. To mi ni mi ze t he potent i al f or cr oss cont ami nat i on, water and sewermai ns shal l not be l ocat ed cl oser t han si x ( 6) f eet hor i zont al l y andt wo ( 2) f eet ver t i cal l y as descr i bed i n AAC R18- 4- 502 and i l l ust r at edi n MAG St andard Detai l No. 404- 1 wi t h t he f ol l owi ng suppl ement alr equi r ement s:

1. When a wat er mai n i s bel ow a sewer mai n, t he mi ni mum separ at i oni s t wo (2) f eet and ext r a pr otect i on i s al ways r equi r ed per MAGspeci f i cat i ons.

2. When a water mai n i s above a sewer mai n, ext r a pr ot ect i on i sr equi r ed when the water mai n i s cl oser t han t wo ( 2) f eet t o t hesewer mai n.

Page 56: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 56/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 56 Effective May 17, 2012

4. A one ( 1) f oot mi ni mum ver t i cal separat i on shal l be pr ovi ded bet weena stor m dr ai n crossi ng a wat er mai n. The mi ni mum ver t i cal separat i oni s measur ed f r om out si de of wat er mai n t o out si de of st or m dr ai n.Ext r a pr otect i on i s r equi r ed per MAG speci f i cat i ons when t heser equi r ement s ar e not met .

5. A si x ( 6) f oot mi ni mum hor i zont al separ at i on shal l be pr ovi dedbet ween a sewer mai n or st orm drai n and a wat er mai n. The mi ni mumhor i zont al separ at i on i s measur ed f r om out si de of pi pe to out si de ofpi pe.

6. Whenever t wo paral l el water mai ns ar e r equi r ed, t her e shal l be a si x( 6) f oot mi ni mum hor i zont al separat i on between the t wo mai ns t o al l owf or t appi ng, t i e- over , and mai nt enance.

7. A t hr ee ( 3) f oot mi ni mum hor i zont al separ at i on shal l be pr ovi dedbet ween a f i r e hydr ant and any water servi ce l i ne.

2. Recl ai med wast ewat er mai ns shal l be consi der ed t he same as wat er mai nsf or t he pur pose of mi ni mum cover and separat i on.

Section 13-09-001-0004 Sewer Main Depths and Separation 

A. Mi ni mum cover i s t o be measured t o subgr ade unl ess t here i s no pavement ;t hen i t i s measur ed t o f i ni shed gr ade. I n al l cases, sewer l i nes ar e t o beat a dept h suf f i ci ent t o pr ovi de gr avi t y ser vi ce t o al l adj acent bui l di ngpads. Ser vi ce l i nes ar e t o be l ai d at gr ades and dept hs pr escr i bed i n t heI nternat i onal Pl umbi ng Code whi ch has been adopt ed by t he Ci t y. Vert i cal andhor i zont al separat i ons of water and sewer shal l conf orm t o ARS r equi r ement sand per ADEQ r equi r ement s.

1. Sewer l i ne shal l have a mi ni mum cover of f our ( 4) f eet over t he t op

of t he pi pe as shown i n Engi neeri ng Det ai l 9- 01- 010.

2. Sewer l i nes shal l have a maxi mum dept h of t went y- f i ve ( 25) f eet ,measur ed t o bot t om of pi pe i nver t .

3. Vert i cal cl ear ance between water mai ns and sewer servi ce connect i ons:t he water mai n shal l not be l ess t han 6 i nches above t he sewerser vi ce even i f t he sewer ser vi ce connect i on i s const r uct ed wi t hduct i l e i r on pi pe i n accor dance wi t h Not e 3B of MAG St andard Detai l404- 1.

When t he sewer ser vi ce i s above t he wat er mai n, mi ni mum cl ear anceshal l be one ( 1) f oot . The sewer servi ce connect i on must beconst r uct ed wi t h PVC SDR 35 or duct i l e i r on Cl ass 350 SVC pi pe wi t hmi ni mum one (1) f oot of separ at i on wi t h no pi pe j oi nt s wi t hi n si x ( 6)f eet of pi pe. Al t er nat e i s to i nst al l i n accor dance wi t h Not e 3B ofMAG Standar d Detai l 404- 1.

Section 13-09-001-0005 Separation from Storm Drains and Culverts 

Water and sewer mai ns shal l mai nt ai n si x ( 6) f eet hori zont al and one f ootver t i cal separ at i on f r om st or m dr ai ns and cul ver t s.

Section 13-09-001-0006 Separation from Other Utilities. 

Page 57: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 57/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 57 Effective May 17, 2012

Water and sewer mai ns shal l be separ at ed f r om ot her ut i l i t i es per Engi neer i ngDet ai l 9- 01- 010  f or j oi nt t r ench ut i l i t i es.

Section 13-09-001-0007 Pipe Crossing of Existing Pavement. 

Pavement r epl acement f or cr ossi ngs on exi st i ng paved st r eet s shal l be asdescr i bed i n t he t ypi cal t r ench det ai l s. Cr ossi ng of f eder al , st at e, orcount y hi ghways wi l l be i n accordance wi t h speci f i c r equi r ement s of t hecont r ol l i ng agency.

Section 13-09-001-0008 Utility Alignment and Easement Requirements 

A. The Ci t y of Fl agst af f Ut i l i t i es Di vi si on r equi r es saf e and qui ck accesst o al l ci t y wat er and sewer mai ns at al l t i mes i n or der t o repai r mai nbr eaks, i nst al l t aps, and per f or m pr event i ve mai nt enance. For t hi sr eason, Ci t y of Fl agst af f water and sewer mai ns shal l be const r uct ed i nst r eet s wi t hi n t he publ i c r i ght - of - way. Wher e possi bl e, wat er shal l be10 f t . nor t h or east of cent er l i ne and sewer on t he cent er l i ne. Wat ermai ns i n easement s cr eat e access probl ems and wi l l not be per mi t t edexcept under t he f ol l owi ng speci al ci r cumst ances.

B. Easement s wi l l onl y be consi der ed i n t he f ol l owi ng cases:

1. For a shor t segment of mai n wher e i t i s not t echni cal l y f easi bl e t odesi gn t he ut i l i t y mai ns i n t he r i ght - of - way wi t hout vi ol at i ng ci t ycodes or or di nances and t hat , i n t he opi ni on of t he Ut i l i t i esDi vi si on, t he pr oposed al i gnment of t he wat er or sewer mai n i n aneasement r esul t s i n mor e ef f i ci ent oper at i on of t he ut i l i t y syst em.

2. The pr oj ect r out e i s i n conf l i ct wi t h ot her ut i l i t i es, a wash, ordr ai nage cor r i dor .

C. Mi ni mum easement wi dths:

1. For one ( 1) ut i l i t y mai n, t he mi ni mum easement wi dt h shal l be t went y( 20) f eet i n wi dt h.

2. For t wo ( 2) ut i l i t y mai ns, t he mi ni mum easement wi dt h shal l bet went y- si x (26) f eet .

3. When a wat er ser vi ce or f i r e hydr ant i s l ocat ed adj acent , but out si deof , t he ri ght - of - way or publ i c ut i l i t y easement ( PUE) , a PUE shal l beextended t o accommodat e t he appur t enance. The mi ni mum di mensi ons oft he PUE shal l al l ow f or t hr ee f eet ( 3 f t . ) of c l ear ance f r om al lsi des of t he appur t enance.

D. I n addi t i on t o t he above, al l appur t enances (e. g. , bl ow- of f s andhydr ant s, ) shal l be pr ovi ded wi t h an easement di mensi oned t o pr ovi de ami ni mum of t hr ee ( 3) f eet of cl ear ance on al l si des of t he ut i l i t y.

E. Easement wi dths may be i ncreased t o accommodat e t he r equi r ed const r uct i onand mai nt enance act i vi t i es, par t i cul ar l y wher e ut i l i t y l i nes ar e deeperor l arger t han normal . Sewer and wat er mai ns shal l be cent ered wi t hi nt he easement and separated by si x ( 6) f t . when t here ar e bot h.

Page 58: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 58/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 58 Effective May 17, 2012

F. When a water or sewer mai n i s l ocat ed adj acent t o a bui l di ng, t he mai nshal l be of f set a mi ni mum of t en ( 10) f eet f r om t he bui l di ng i n a mi ni mumt went y ( 20) f oot easement .

G. Publ i c ut i l i t y easement s shal l be f r ee of al l obst r uct i ons and shal l at

al l t i mes be accessi bl e t o ci t y ser vi ce vehi cl es and equi pment . Nobui l di ngs, spor t cour t s, f ences, shade st r uct ur es, or per manentst r uct ur es of any ki nd shal l be const r uct ed upon, over , or under a water ,sewer, or drai nage easement . No l andscapi ng shal l be pl aced wi t hi n aneasement whi ch woul d r ender t he easement i naccessi bl e by equi pment . TheCi t y of Fl agst af f Ut i l i t i es Di vi si on has t he r i ght t o cause anyobst r uct i on t o be removed wi t hout not i ce to t he pr oper t y owner and al lr el at ed cost s shal l be t he pr oper t y owner ’ s r esponsi bi l i t y.

H. For sewer or water easement s not l ocat ed wi t hi n a publ i c st r eet , an al l -weather access r oad i s r equi r ed i f manhol es, val ves, f i r e hydr ant s, orother appur t enances r equi r i ng ci t y access l i e wi t hi n t he easement . Theaccess r oad shal l have a mi ni mum wi dt h of 10 f eet and shal l beconst r uct ed per t he st r uct ur al sect i on i n St andar d Detai l No. 14- 01- 010 ( unpaved) . The access r oad shal l connect t o a publ i c or pr i vat e r oad.

Sections:

13-09-002  Sewer System Design

13-09-002-0001  Guide for Design13-09-002-0002  Wastewater Design Flows

13-09-002-0002.1  Peak Flows

13-09-002-0003  Sewer Design Capacities13-09-002-0004  Minimum Pipe Sizes13-09-002-0005  Velocities of Flow

13-09-002-0006  Alignment13-09-002-0007  Design and Spacing of Manholes

13-09-002-0008  Design of Deep Sewer Lines13-09-002-0009  Private Sewer Lines

13-09-002-0010  Sewer Services13-09-002-0011  Sewer Mains

13-09-002-0012  Private Pressure Sewer Systems13-09-002-0013  On-Site Disposal Systems

Section 13-09-002 Sewer System Design

Section 13-09-002-0001 Guide for Design

A. Ar i zona Revi sed St at ut es est abl i shes t he cont r ol f or t he desi gn,const r uct i on, and operat i on of sewage syst ems and wast e t r eat ment workst o be wi t h t he Ar i zona Depart ment of Envi r onment al Qual i t y ( ADEQ) .Engi neer i ng bul l et i ns produced by ADEQ are t o ser ve as gui des f or desi gnsof sewage syst ems. These i ncl ude, but are not l i mi t ed t o:

1. Bul l et i n #11 - Mi ni mum Requi r ement s f or Desi gn, Submi ssi on of Pl ansand Speci f i cat i on of Sewage works.

2. Bul l et i n #12 - The Sept i c Tank.

3. Bul l et i n #15 - Package Aer ati on Pl ant s.

Page 59: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 59/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 59 Effective May 17, 2012

B. Mor e r est r i cti ve cri t er i a of desi gn st at ed i n t hese r egul at i ons shal lt ake pr ecedence over ADEQ cr i t er i a.

C. Proposed publ i c sewer syst ems must be gr avi t y f l ow. No publ i c sewer l i f tst at i ons wi l l be per mi t t ed wi t hi n t he ci t y syst em.

Section 13-09-002-0002 Wastewater Design Flows 

A. Desi gn f l ows ut i l i zed i n t he pr epar at i on of engi neer i ng desi gn r epor t s,pl ans and speci f i cat i ons shal l , as a mi ni mum, conf or m t o the cri t er i a setf or t h i n t hi s sect i on.

B. Aver age dai l y f l ow est i mates based on l and use, shal l conf orm t o  Tabl e9. 1  “Average Dai l y Fl ows by Land Use”. Wher e t he proj ect l and use doesnot f i t wi t hi n t he t abul at ed cat egor i es, an aver age dai l y uni t f l ow of100 gal l ons per per son per day shal l be used.

 Tabl e 9- 1 Aver age Dai l y Fl ows by Land Use

LAND USE AVERAGE DAI LY FLOW Type Aver age dry weat her f l ow ( ADWF)Resi dent i al

Si ngl e Fami l y, Townhouses

Use 3. 5 personsper dwel l i ng

uni t

75 gal l ons per capi t a per day ( gpcd)

Resi dent i alManuf act uredHomes, Mobi l e

Homes

Use 3. 0 personsper dwel l i ng

uni t

75 gal l ons per capi t a per day ( gpcd)

Resi dent i alCondos,

Apart ment s

Use 2. 5 personsper dwel l i ng per

uni t

75 gal l ons per capi t a per day ( gpcd)

Hot el , Motel Tour i st

Use 2. 0 personsper hot el / motel

room

75 gal l ons per capi t a per day ( gpcd)

Commer ci al Use number ofacres

1000 gal l ons per acre per day ( gad) 3000gad PEAK  

I ndust r i al Domest i c f l owsonl y

1000 gal l ons per acre per day ( gad) 3000gad PEAK  

School s,Col l eges

Use enr ol l mentper bui l di ng

90 gal l ons per capi t a per day ( gpcd)

Fact ors are based on aver age dr y weat her f l ow ( ADWF) f r om Ci t y of Fl agst af f“Wast ewater Management Syst em Faci l i t y Pl an”, pr epared by Br own and Cal dwel lEngi neer s.

Page 60: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 60/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 60 Effective May 17, 2012

Section 13-01-002-0002.1 Peak Flows 

Al l gr avi t y sewer mai ns shal l be desi gned f or peak f l ow condi t i ons. Peakf l ow i s cal cul at ed as t he pr oduct of t he peaki ng f act or and t he aver age dai l yf l ow. The peaki ng f act or shoul d be obt ai ned f r om Fi gur e 9- 1  Rat i o of Peak

Fl ow t o Dr y Weat her Fl ow based on popul at i on.

Section 13-09-002-0003 Sewer Design Capacities

Sewer systems, t r unk l i nes, and out - f al l l i nes ar e t o be desi gned t o ser vi ce

t he ul t i mat e densi t y of t he dr ai nage ar ea. Capaci t i es of l i nes ar e t o bedetermi ned f or an ent i r e dr ai nage area, devel oped or undevel oped, whi ch maybe reasonabl y ser vi ced by t he pr oposed syst em or by f ut ur e ext ensi ons of t hesystem. Densi t i es wi l l be est i mated f r om t he l and use pl an of t he cur r entRegi onal Land Use and Tr anspor t at i on Pl an, Use  Tabl e 9- 1, t o det ermi ne numberof per sons per uni t f or di f f er ent dwel l i ng t ypes. Al l sewer l i nes must bedesi gned f or peak f l ow i n accor dance wi t h  Tabl e 9- 1  and Fi gur e 9- 1. Themaxi mum r at i o of t he dept h of f l ow t o t he di amet er of t he pi pe, ( d/ D) , shal lbe 70%.

Page 61: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 61/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 61 Effective May 17, 2012

Section 13-09-002-0004 Minimum Pipe

Gr avi t y sewer l i nes shal l be si zed t o accommodate the peak desi gn f l owsubj ect t o t he f ol l owi ng l i mi t at i ons:

1. The d/ D r at i o f or gr avi t y sewer pi pes shal l be no gr eat er t han 0. 7 att he peak f l ow condi t i on.

2. Mi ni mum pi pe si ze shal l be 8- i nches i n di amet er .

3. A maxi mum of 120 acres of combi ned commerci al and r esi dent i aldevel opment shal l dr ai n i nt o an 8- i nch di amet er l i ne.

Section 13-09-002-0005 Velocities of Flow

A. Vel oci t i es i n sewer l i nes shal l be det er mi ned f or desi gn capaci t i es usi ngManni ngs f ormul a V = ( u/ n) ( R) 2/ 3 ( S) 1/2 where V i s t he aver age vel oci t y( f ps, m/ s) , u i s 1. 49 f or Engl i sh uni t s and 1 f or Met r i c uni t s, n i s t heManni ngs r oughness coef f i ci ent ( as appr opr i at e f or t he pi pe t o be used) ,R i s the hydraul i c radi us ( f t ) , S i s sl ope i n ( f t / f t ) .

B. Desi gn vel oci t i es ar e t o be wi t hi n t he r ange of 2 f ps t o 10 f ps f l owi ngf ul l .

a. A mi ni mum vel oci t y of 2. 5 f ps i s r ecommended i n order t o pr eventdeposi t i on. The f ol l owi ng char t i s a gui del i ne f or t he l i mi t s ofsl ope f or smal l er di amet er s based on vel oci t y and t he n val ue f ort he pi pe f l owi ng f ul l condi t i on. Capaci t y must al so be consi der ed.

Pi pe Si ze Mi n. Sl ope ( %) Max. Sl ope ( %)( i nches) 2 f ps 10 f ps

n=. 010 n=. 013 n=. 010 n=. 0138 0. 20 0. 34 4. 91 8. 2910 0. 15 0. 26 3. 65 6. 1612 0. 11 0. 20 2. 86 4. 8315 0. 085 0. 15 2. 12 3. 59

 Note: PVC ( n = . 010) DI P ( n= . 013)

Section 13-09-002-0006 Alignment 

Sewer s shal l be l ai d wi t h st r ai ght al i gnment s bet ween manhol es. Cur vi l i nearsewer s ar e not per mi t t ed. St r ai ght al i gnment shal l be checked by usi ng al aser beam. Sewer s shal l be l ocated i n st r eet r i ght - of - way ( ROW) and shal lgener al l y r un par al l el t o pr oper t y l i nes or st r eet cent er l i ne and l ocat ed outof t he wheel pat h ( pr ef er abl y i n t he cent er of t he st r eet ) . Gr avi t y seweral i gnment s shal l be l ocat ed as set f or t h i n t he l at est edi t i on of st andar dut i l i t y l ocat i ons f or t he Ci t y of Fl agstaf f Engi neer i ng Det ai l s .

Page 62: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 62/382

Page 63: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 63/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 63 Effective May 17, 2012

E. One adj ust ment r i ng or one r ow of br i cks i s r equi r ed on al l manhol es. The r i ng and cover shal l not be set di r ect l y on t he cone.

F. Manhol e cover s must have a pi ckhol e and wat er t i ght manhol e cover s musthave a conceal ed t ype pi ckhol e f or r emoval of t he cover . Bol t s on

wat er t i ght manhol e l i ds shal l be st ai nl ess steel .

G. Where cor r osi ve condi t i ons due t o sept i ci t y or ot her causes areant i ci pat ed, consi der at i on shal l be gi ven t o pr ovi di ng cor r osi onpr otect i on on t he i nt er i or of t he manhol es.

H. Manhol es shal l be pr e- cast concr et e or pour ed- i n- pl ace concr et e t ype.Manhol e l i f t hol es and gr ade adj ust ment r i ngs shal l be seal ed wi t h non-shr i nki ng mor t ar .

a. I nl et and out l et pi pes shal l be j oi ned t o t he manhol e wi t h agasket ed, f l exi bl e wat er - t i ght connect i on or any wat er - t i ghtconnect i on ar r angement t hat al l ows di f f er ent i al set t l ement of t hepi pe and manhol e wal l t o occur.

I . Wat er- t i ght manhol e covers shal l be used whenever t he manhol e i s l ocat edi n a f l oodpl ai n, wash, or other areas known t o be subj ect t o st ormwaterrunof f .

 J . Locked manhol e cover s may be r equi r ed i n i sol at ed easement l ocat i ons orwher e vandal i sm i s ant i ci pat ed.

Section 13-09-002-0008 Design of Deep Sewer Lines

When t he dept h of a sewer l i ne exceeds 15 f eet , t hen: servi ces wi l l not beal l owed; t he pi pe must be cl ass 350 duct i l e i r on or desi gned t o wi t hst and t het r ench and t r af f i c l oads; and, an easement wi der t han 20 f eet may be

r equi r ed. Sewer l i nes deeper t han 25 f eet wi l l not be al l owed.

Section 13-09-002-0009 Private Sewer Lines

Pr i vat e sewer mai ns shal l not be al l owed. Exi st i ng pr i vat e sewer mai ns shal lbe mai nt ai ned as r equi r ed and regul at ed by t he Ar i zona Depar t ment ofEnvi r onment al Qual i t y.

Section 13-09-002-0010 Sewer Services

A. Sewer servi ces shal l be i nst al l ed per pendi cul ar ( not par al l el ) t o t her i ght - of - way or easement , wi t hi n the r i ght - of - way or easement , and shal lnot be i nst al l ed across anot her ’ s pr i vat e pr oper t y. Sewer servi ces ar epr ohi bi t ed on sewer t r ansmi ssi on mai ns t hat ar e 18 i nches or l arger .

B. Sewer servi ce l ocat i ons shal l be l ocated by br andi ng an “S” on t he t op orf ace of t he cur b.

C. Sewer ser vi ces shal l be l ocat ed a mi ni mum of 5 f eet f r om t he out si de of amanhol e wal l .

D. An appr oved backwater val ve shal l be i nst al l ed when t he f i ni shed f l oorel evat i on of a bui l di ng i s 1 f oot or l ess above t he near est upst r eammanhol e or cl ean- out r i m el evat i on. A sel f - expl anat or y t abul at ed

Page 64: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 64/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 64 Effective May 17, 2012

numer i cal l i st i ng of t he l ot s r equi r i ng backwat er val ves shal l appear ont he pl ans. The backwat er val ves shal l not be i nst al l ed wi t hi n a publ i cr i ght - of - way or easement .

E. I f sewer ser vi ces ar e i nst al l ed vi a saddl es, t he mi ni mum spaci ng bet ween

ser vi ces shal l be 5 f eet , and t her e shal l be one connect i on per l engt h ofVCP and t wo per l ength of PVC mai n.

F. When a sewer servi ce i s r equi r ed t o be abandoned, i t shal l be abandonedat t he pr oper t y l i ne and capped usi ng t he appr opr i ate mater i al ( PVC,cl ay, or concret e) .

Section 13-09-002-0011 Sewer Mains 

A. Where r easonabl e, sewer mai ns shal l be l ocat ed under a paved sur f ace.Wher e t hi s i s not possi bl e, t he engi neer shoul d gi ve consi der at i on t oaccess and mai ntenance i ssues. The engi neer shoul d exami ne t hepossi bi l i t y of r edesi gni ng and t he pr oj ect l ayout , e. g. , r oads, bui l di ngenvel opes, and dr ai nage pat t er ns, i n or der t o f aci l i t at e access andmai nt enance t o al l sewer pi pes and appur t enances wi t h the appr opr i ateequi pment and vehi cl es f or r epai r s and/ or pr event i ve mai nt enanceoper at i ons.

B. Dead- end easement s shal l be avoi ded unl ess t hey are f or a sewer whi ch hasno pot ent i al f or f ut ur e ext ensi on.

C. Manhol es shal l be l ocat ed i n t he ri ght - of - way or an easement whi chpr ovi des access f or emer gency response, r epai r s, and/ or prevent at i vemai nt enance operat i ons.

D. Sewer l i nes const r uct ed i n washes and f l oodways shal l have t hei r cr ownsat l east t wo ( 2) f eet bel ow t he 100- year st or m scour dept h and shal l be

const r uct ed wi t h DI P. The DI P shal l ext end a mi ni mum of t en ( 10) f eeteach si de of t he 100- year st or m scour i ng.

Section 13-09-002-0012 Private Pressure Sewer Mains and Services 

A. Al l pr oposed publ i c sewer syst ems shal l be gr avi t y f l ow. Publ i c pr essur esewer systems i ncl udi ng pi pi ng, l i f t s, and appur t enances are pr ohi bi t ed.No publ i c sewer l i f t st at i ons wi l l be per mi t t ed wi t hi n t he Ci t y syst em.

B. Pr i vat e pr essur e sewer systems, i ncl udi ng i ndi vi dual pr essur e sewerser vi ces are not al l owed unl ess appr oved by the Ut i l i t i es Di vi si on andt he Ci t y Engi neer . Of f si t e ext ensi ons of t he publ i c syst em i n or der t opr ovi de gr avi t y ser vi ce may be r equi r ed. Shoul d a pr i vat e system beal l owed, t he f ol l owi ng cri t er i a shal l be addr essed pr i or t o pl anappr oval :

1. A pr ovi si on f or cont i nued oper at i on by t he appr opr i ate Cl ass or Gr adeOper ator as r equi r ed i n A. A. C. R18- 05- 114.

2. A pr ovi si on f or schedul ed rout i ne oper at i on and mai nt enance byqual i f i ed per sonnel and an oper at i on and mai ntenance manual approvedby ADEQ

3. An emergency spi l l pr event i on and r esponse pl an shal l be kept at t he

Page 65: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 65/382

Page 66: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 66/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 66 Effective May 17, 2012

Section 13-09-003 Water System Design

Section 13-09-003-0001 Guide for Design

Ar i zona Revi sed St at ut es est abl i shes t he cont r ol f or wat er system desi gn wi t ht he Ar i zona Depart ment of Envi r onment al Qual i t y ( ADEQ) . Engi neer i ng bul l et i nspr oduced by ADEQ are to serve as gui des f or water syst em desi gn al ong wi t hot her cr i t er i a est abl i shed by t he Ci t y. Per t i nent Engi neer i ng Bul l et i nsi ncl ude, but ar e not l i mi t ed t o:

A. Bul l et i n #10 - Mi ni mum Basi c Desi gn Cr i t er i a f or Const r uct i on of Wat erDi st r i but i on and Water Treat ment Syst ems.

B. Bul l et i n #8 - Di si nf ect i on of Water Systems.

Section 13-09-003-0002 Extension and Network Design

A. Any extensi on of a water l i ne or net work of water l i nes shal l be desi gnedt o pr ovi de f or r equi r ed f i r e f l ows ( per Chapt er 13- 13, Fi r e Saf et yRequi r ement s) and peak hour f l ows ( per t hi s Chapt er) si mul t aneousl y wi t hno r esi dual pr essur es i n t he system dr oppi ng bel ow 20 psi . I n order t oassur e t hat a 20 psi r esi dual pr essur e wi t hi n t he publ i c syst em i smai nt ai ned, a mi ni mum st at i c pr essur e of 40 psi i s r equi r ed at t hehi ghest poi nt wi t hi n t he publ i c syst em.

1. Fut ur e extensi on of a pr oposed syst em wi l l i ncrease t he possi bi l i t yof r esi dual pr essur es droppi ng bel ow 20 psi .

2. Syst em anal ysi s i s requi r ed and shal l i ncl ude ant i ci pat ed f ut ur eexpansi ons.

B. Wat er mai ns shal l be desi gned t o mai ntai n bet ween 40 and 130 psi dur i ngpeak hour demand condi t i ons at a f l ow vel oci t y of l ess t han or equal t of i ve ( 5) f ps, or t hey ar e t o mai nt ai n a pr essur e gr eat er t han or equal t o20 psi at a poi nt of maxi mum f i r e f l ow, at a f l ow vel oci t y of l ess t hanor equal t o 10 f ps.

1. The pi pe di amet er shal l be t he l ar gest di amet er cal cul ated f or t het wo condi t i ons above.

C. The maxi mum al l owabl e head l oss f or t r ansmi ssi on l i nes i s ei ght ( 8) f eetper 1, 000 f eet ( 8 f t . / 1, 000 f t . ) and 10 f eet per 1, 000 f eet ( 10. f t . /1, 000 f t . ) f or di s t r i but i on l i nes .

D. Requi r ed wat er pi pe si zes wi l l be determi ned by a network anal ysi s (HardyCr oss or equi val ent ) , but i n no case wi l l publ i c l i nes smal l er t han 8-i nch di amet er be per mi t t ed ( i n connect i on wi t h a gr i d net work) .

1. A new mi ni mum 8- i nch mai n i s r equi r ed i f t he exi st i ng mai n i s l esst han 6 i nches and a new or l arger servi ce (even a 3/ 4 i nch) i sr equi r ed.

a. A 6- i nch di ameter pi pe may be permi t t ed onl y i n speci al cases( such as dead- end st ubs- out s l ess t han 90 f eet whi ch have no

Page 67: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 67/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 67 Effective May 17, 2012

pot ent i al f or extensi on) , wi t h appr oval of Ci t y Fi r e Depar t ment ,Ut i l i t i es Di vi si on and Engi neer i ng Secti on.

2. Al l dead- end syst ems l onger t han 1000 f eet or wi t h more t han t hreef i r e hydr ant s shal l have two or more connect i ons t o an exi st i ng mai n

and the mai n shal l have at l east one val ve between the connect i ons.

E. Per f ormance of a pl anned network shal l be based on t he exi st i ng pr essur ezones of t he Ci t y wat er syst em. Syst em desi gns must be adequat e f orext r eme cases; e. g. r eservoi r s near empt y, peak hour l y demands i n ef f ect ,and t he r equi r ed f i r e f l ow.

F. Where r easonabl e, water mai ns shal l be l ocat ed under a paved sur f ace.Wher e t hi s i s not possi bl e, t he engi neer shoul d gi ve consi der at i on t oaccess and mai ntenance i ssues. The engi neer shoul d exami ne t hepossi bi l i t y of r edesi gni ng t he pr oj ect l ayout , e. g. , r oads, bui l di ngenvel opes, and dr ai nage pat t er ns, i n or der t o f aci l i t at e access andmai nt enance t o al l wat er pi pes and appur t enances.

Section 13-09-003-0003 Water System Overview 

A. Pressur e Zones

1. Appr oxi matel y f i ve ( 5) operat i ng pr essure zones serve t he muni ci paldi st r i but i on syst em f or t he Ci t y of Fl agst af f . These zones oper at enomi nal l y wi t hi n a st at i c pr essure range bet ween 40 to 130 psi .

2. Wi t h r egard t o t ypi cal l y hi gh seasonal water demand var i at i ons amongpr essur e zones wi t h el evated st orage, oper at i ng pr essuref l uct uati ons ar e nor mal . I nf or mat i on on pr essur e zones ser vi ng t hevar i ous ar eas of t he Ci t y can be obt ai ned f r om t he Ci t y of Fl agst af fUt i l i t i es Di vi si on. Al l pr essur e zones have el evat ed st or age wi t hi n

t he Ci t y of Fl agstaf f .

3. I n ar eas wher e a st at i c pr essur e i n excess of 80 psi i s real i zed,i ndi vi dual pr essur e r educi ng val ves ar e r equi r ed t o be i nst al l ed andmai nt ai ned by t he owner / devel oper i n accordance wi t h t heI nt er nat i onal Pl umbi ng Code.

Section 13-09-003-0004 Water Demand Criteria 

 The Ci t y of Fl agst af f muni ci pal wat er syst em has dual f unct i ons. I t suppl i espotabl e water f or i ndust r i al , commer ci al and domest i c use and suppl i es waterf or f i r e protect i on.

Section 13-09-003-0004.1 General 

Mi ni mum pi pe si zes shal l meet t he cri t er i a est abl i shed i n Ti t l e 13, Sect i on13- 09- 003- 0002; however , may not be adequat e t o meet al l syst em waterdemands. For some pr oj ect s, a det ai l ed anal ysi s of domest i c and f i r e f l owdemands may be r equi r ed t o pr operl y def i ne r equi r ement s f or syst em desi gn.

Section 13-09-003-0004.2 Domestic Demand  

For t he pur poses of syst em desi gn t he Ut i l i t i es Di vi si on has est abl i shedf actors f or maxi mum dai l y consumpt i on f or var i ous domest i c uses. Al t hough

Page 68: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 68/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 68 Effective May 17, 2012

t he l i st i s not al l - i ncl usi ve, i t does ser ve t o est abl i sh a gener al basel i nef or syst em eval uat i on and anal ysi s.  Tabl e 9- 3, and  Tabl e 9- 4, “Wat er DemandCr i t er i a”, show t he water demand f act ors t o be used f or t he det er mi nat i on ofmaxi mum dai l y consumpt i on. No al l owances f or f i r e pr ot ect i on or f i r e f l owsar e i ncl uded i n t hese f act or s. For i nf or mat i on not i ncl uded her ei n, t he

desi gner shal l cont act t he Ut i l i t i es Di vi si on f or consul t at i on and agr eementon desi gn demand.

Al l water mai ns are t o be desi gned usi ng t he f ol l owi ng t abl es f r om t he Ci t yof Fl agst af f “Wat er Syst em I mprovement Progr am” r epor t ( November 1980) andADEQ Bul l et i n No. 12.

Page 69: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 69/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 69 Effective May 17, 2012

 TABLE 9- 3

AVERAGE POPULATI ON DENSI TI ES

Type of dwelling units   Number of persons/unit 

Mobi l e home 3. 0Si ngl e f ami l y 3. 5Mul t i - f ami l y 2. 5Hot el / Mot el 2. 0

 Tabl e 9- 4 Wat er Demand Cr i t er i a

LAND USE AVERAGE PEAK

Resi dent i al Si ngl e Fami l y,Low Densi t y

120 gpcd 300 gpcd

Resi dent i al Si ngl e Fami l y, THMedi um Densi t y

100 gpcd 250 gpcd

Resi dent i al Apar t ment s,Condos, Hi gh Densi t y

75 gpcd 250 gpcd

Hot el , Motel Touri st 75 gpcd 200 gpcd

Commer ci al 2000 gad 5000 gad

I ndust r i al 2000 gad 5000 gad

gpcd = gal l ons per capi t a per daygad = gal l ons per acr e per day

FROM CI TY OF FLAGSTAFF “WATER SYSTEM I MPROVEMENT PROGRAM”

NOTE: I f a pr oposed devel opment does not f i t wi t hi n t he categori es l i st edabove, a maxi mum dai l y consumpt i on of 200 gal l ons per per son per dayshal l be used. For cl ar i f i cat i on, the f ol l owi ng exampl echaract eri zes the cal cul at i ons perf ormed t o det er mi ne t he desi gnf l ows and quant i t i es i nvol ved i n a hypot het i cal syst em desi gn.

EXAMPLE: Hypot het i cal wat er demand/ f l ow eval uat i on

ASSUME: A 120- dwel l i ng uni t , medi um densi t y, r esi dent i al subdi vi si on

Page 70: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 70/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 70 Effective May 17, 2012

devel opmentCRI TERI A: From Tabl e 13- 09- 03, and  Tabl e 13- 09- 04, “Wat er Demand Cr i t er i a”

popul at i on densi t y = 3. 5 per sons per dwel l i ng uni tMaxi mum dai l y consumpt i on = 250 gal l ons per capi t a per day (gcpd)Desi gn popul at i on = 120 x 3. 5 = 420 peopl e

Maxi mum t ot al dai l y consumpt i on = 250 x 420 = 105, 000 gal l ons perday (gpd)

Peak day f l ow r at e = 105, 000 gpd/ 1440 mpd = 72. 92 gpm I t i s st r essed t hat f i r e f l ow r equi r ement s ar e not i ncl uded i n t he aboveexampl e. The cal cul ated f l ow r ates and quant i t i es shal l be added t o t her equi r ed f i r e f l ows pri or t o t he desi gn of wat er mai ns, boost er pumps,st orage reservoi r s and ot her syst em component s.

Section 13-09-003-0004.3 Fire Flow Demand  

A. Requi r ed f i r e f l ow and peak day f l ow r at e shal l be avai l abl e i n t hesystem. Muni ci pal f i r e f l ow r equi r ed by t he Ci t y f or any one par t i cul arl ocat i on var i es dependi ng on t he l and use. The number of hour s t hat t her equi r ed f i r e f l ow shal l be avai l abl e al so var i es dependi ng on t he l anduse and ranges f r om2- 10 hour s.

B. The i ncreased use of aut omat i c ext i ngui shi ng syst ems, whether t hey usewat er or some ot her agent , wi l l af f ect t he quant i t i es of wat er r equi r ed.

 Tabl e 9- 5, “Mi ni mum Fi r e Fl ow Requi r ement s”, out l i nes t he r equi r ed f i r ef l ows. Fi r e spr i nkl er demands ar e i n addi t i on t o t he f l ow r equi r ement sshown i n  Tabl e 9- 5, “Mi ni mum Fi r e Fl ow Requi r ement s”. Fl ows i n t he t abl er epr esent t he f i r e f l ow of t he publ i c system at f i r e hydr ant s. I t shal lbe noted that t he Fi r e Depart ment may r equi r e a f i r e f l ow gr eater t hanshown i n t he t abl e due t o bui l di ng const r uct i on mat er i al s, cont ent s, orot her f actors. These cases requi r e consul t at i on wi t h Ut i l i t i es Di vi si on

and Fi r e Depart ment st af f .

 TABLE 9- 5

MI NI MUM FI RE FLOW REQUI REMENTS

1000 gpm f or si ngl e f ami l y r esi dent i al1500 gpm f or mul t i - f ami l y r esi dent i al1500 gpm f or commer ci al and i ndust r i al areas

Section 13-09-003-0005 Valve Locations

A. Val ves shal l be l ocat ed i n t he net wor k so t hat no si ngl e acci dent ,br eakage, or r epai r t o t he syst em wi l l necessi t at e t he r emoval f r omser vi ce of a l engt h of pi pe gr eat er t han 500 f eet i n hi gh val ue( commer ci al , i ndust r i al ) di st r i cts. Suf f i ci ent val ves shal l be pr ovi dedon water mai ns t o mi ni mi ze i nconveni ence, degr adat i on of f i r e pr otect i onand sani t ar y hazar ds dur i ng r epai r s. Vari at i ons i n t hi s spaci ng may ber equi r ed f or speci al appl i cat i ons. Val ves ar e t o be l ocat ed so t hat nocl osur e of a val ve on a mai n l i ne i s r equi r ed unl ess ther e i s br eakage ont he mai n i t sel f .

Page 71: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 71/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 71 Effective May 17, 2012

B. Val ves shal l be gener al l y l ocat ed as f ol l ows, unl ess ot her wi se appr ovedby t he Ut i l i t i es Di vi s i on.

1. At i nt er val s to i sol at e no mor e t han t wo ( 2) f i r e hydr ant s at anyt i me.

2. At mi ni mum i nt erval s of f i ve hundr ed ( 500) f eet i n commerci al l y zonedar eas and r esi dent i al of f - si t e wat er mai ns.

3. I n r esi dent i al ar eas to i sol at e a maxi mum of t hi r t y ( 30) ser vi ces( appr oxi mat el y si x hundr ed [ 600] f t . ) .

4. At mi ni mum i nt er val s of ei ght hundr ed ( 800) f eet f or t r ansmi ssi onl i nes.

5. Val ves shal l not be l ocat ed i n st r eet gut t er s, val l ey gut t er s,concr et e apr ons, or i n dr i veways.

6. Thr ee ( 3) val ves ar e r equi r ed on a 4- way cr oss, one ( 1) val ve mi ni mumi s requi r ed on al l 3- way t ee f i t t i ngs.

C. The val ve l ocat i on i s to be a mi ni mum of t en ( 10) f eet upst r eam of t hecap or bl ow- of f assembl y.

D. Ever y f i r e hydr ant i s to have a val ve on t he l ead l i ne.

1. Bl ow- of f val ves are r equi r ed at t he ends of dead- end l i nes, whethert empor ary or per manent .

a. When a f i r e hydr ant i s requi r ed at or near t he end of a dead- endmai n, i t shal l be i nst al l ed at t he end of t he mai n i nst ead of abl ow- of f .

2. No f i r e hydr ant or wat er ser vi ces wi l l be al l owed on t he water l i nebetween tempor ary bl ow- of f val ves and the pl ug.

Section 13-09-003-0006 Valve Box Assembly

A. Al l val ve boxes shal l be DOMESTI C ( non- i mport ) , Tyl er Ser i es #6855 orEast J ordan I r on Works Model #8555 or equi val ent , havi ng a mi ni mum shaf tdi ameter of 5 i nches I D, and l i d marked "WATER" .

B. Val ve boxes shal l be sl i di ng, adj ust abl e, wi t h l i p on al l sect i ons. Nol ock t ype, scr ew t ype, cast i r on no- hub sewer pi pe, caul der coupl i ngs,bands, t i n, gasket s, gr out , or any ot her mat er i al wi l l be al l owed i nval ve box assembl i es.

C. No but t - j oi nt s wi l l be al l owed. Al l sect i ons shal l have a mi ni mum of 2i nch over l ap.

D. No br i cks wi l l be al l owed around a val ve.

E. Cent er t he val ve box over t he val ve. No part of t he box shoul d cont actt he val ve. Mater i al around t he val ve shal l be compact ed t o 95%.

F. Fi l l mater i al shal l be compact ed t o 95% around val ve and val ve boxes up

Page 72: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 72/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 72 Effective May 17, 2012

t o f i ni shed gr ade i n 1 f oot l i f t s .G. I f a val ve nut , whether exi st i ng or new, ends up t o be 16 i nches or l ess

f r om f i ni sh gr ade, one t op secti on box, w/ l i p, of appr opr i at e l engt hwi l l be al l owed.

H. I f any cont r act or has t o adj ust t o gr ade a new or exi st i ng val ve box f orany reason, t he adj ust ment wi l l st ar t f r om t he val ve nut up t o f i ni shedgr ade t o el i mi nat e any exi st i ng br oken, di r t y, cracked, crooked, t oosmal l , or ot her wi se sub- st andard val ve boxes.

I . I f a bot t om secti on i s i n good condi t i on, cl ean and cent er ed, i t canr emai n but t he ol d t op sect i on wi l l be removed t o al l ow f or addi t i onalbot t om sect i ons and a t op.

 J . 2- pi ece val ve box assembl i es ar e pref er r ed as shown i n Engi neer i ng Det ai l9- 03- 060, Fi gur e A. Bot t oms come i n l engt hs of up t o 60 i nches. Topscome i n l engths of up t o 26 i nches.

K. Another opt i on i s adj ust i ng wi t h one or more bot t om sect i ons and a t opsect i on as shown i n Engi neer i ng Det ai l 9- 03- 060, Fi gur e B.

L. Val ves not l ocat ed i n t he st r eet wi l l be marked by a bl ue, 2 1/ 2 i nch x72 i nch “Carsoni t e” val ve marker wi t h concr et e r i ng.

Section 13-09-003-0007 Water Services

A. Al l pi pe and f i t t i ngs f or water ser vi ces shal l have a mi ni mum pr essur er at i ng of 200 psi .

1. Where not other wi se noted on t he pl ans, al l water ser vi ces shal l beat l east 3/ 4 i nch I . D. and shal l have a mi ni mum cover of 30 i nchesand a maxi mum dept h of 48 i nches except f or t he l ast 2 f eet adj acent

t o t he cur b st op.

B. The l ocat i on of wat er servi ces shal l be i nst al l ed br anded on t op or f aceof cur b wi t h a “w”.

C. Ot her ut i l i t i es such as phone and el ect r i c shal l be a mi ni mum of 4 f eetf r omt he wat er ser vi ce i ncl udi ng no crossi ngs near t he cur b st op.

D. I nst al l at i on of 3/ 4 i nch and 1 i nch cur b st ops shal l i ncl ude a br ass pl ugt o pr ot ect t he t hr eads and keep out di r t .

E. Restr i ct i ons:

1. Wat er servi ces are not al l owed on t r ansmi ssi on mai ns t hat ar e 16i nches or l ar ger , f i r e spr i nkl er l i nes or on t he 6- i nch l ead l i nebet ween t he 6- i nch val ve and t he f i r e hydr ant on f i r e hydr antassembl i es.

2. Onl y one meter per l ot , 3/ 4 i nch maxi mum, i s al l owed on exi st i ng 2-i nch wat er l i nes.

3. No mul t i f ami l y or commerci al connect i ons may be made on a 2- i nchl i ne. No more t han 16- 3/ 4” meters wi l l be al l owed on any 2- i nchdi ameter wat er mai n.

Page 73: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 73/382

Page 74: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 74/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 74 Effective May 17, 2012

shal l equal or exceed those manuf act ur ed by Muel l er BR2S Ser i es; For dStyl e 202BS; or Rockwel l Model #393.

Section 13-09-003-0007.3 Corporation Stops

A. Al l 3/ 4 i nch and 1 i nch cor porat i on st ops shal l equal or exceed t hosemanuf act ured by Muel l er B- 25028, Ford FB1100Q, or approved equal .

B. Al l 1 1/ 2- i nch and 2- i nch cor por ati on st ops shal l be br onze bal l t ypeval ves whi ch shal l equal or exceed t hose manuf act ur ed by Muel l er B2969,For d FB500, or other appr oval equal .

C. Cor por at i on st ops of 3/ 4 i nch and 1 i nch shal l be I . P. t hr ead i nl et . 11/ 2 i nch and 2 i nch shal l be t aper ed c. c. or I . P. t hr ead i nl et x mal ei r on pi pe out l et . Muel l er 110 and For d Qui ck J oi nt coupl i ngs may besubst i t ut ed on 3/ 4- i nch and 1- i nch cor por at i on st ops onl y ( no pack- j oi ntcoupl i ngs wi l l be accept ed) .

D. Al l cor por at i on st ops shal l be i nst al l ed at a 45 degr ee angl e t owar d t hel ot t o be ser ved.

E. Corporat i on st ops of 1 1/ 2 i nch and 2 i nch shal l i ncl ude a swi ng t ypeconnect i on consi st i ng of t wo 90 degr ee br ass el l s and one 1 1/ 2- i nch x 21/ 2 i nches or 2- i nch x 2 1/ 2 i nch br ass ni ppl e between t he 90 degr eeel l s.

Section 13-09-003-0007.4 Curb Stops

A. Al l 3/ 4- i nch and 1- i nch cur b st ops shal l be br onze of t he bal l val veout l et t ype wi t h quart er t ur n check. Onl y Muel l er 110 ( B25170) or For dQui ck J oi nt Compr essi on ( B41- 333WQ) connect i ons- by i r on pi pe shal l beaccept ed. They shal l be i nst al l ed wi t h a br ass pl ug t o pr ot ect t he

t hr eads and keep out di r t . Cur b st ops shal l be backf i l l ed wi t h ci ndersand, 6 i nches under and up to 6 i nches bel ow f i ni shed gr ade.

1. No or i seal t ype cur b st ops ar e al l owed.

B. Al l 1 1/ 2- i nch and 2- i nch met er val ve connect i ons shal l be I Px I P bal lval ve type equal t o or exceedi ng t hose manuf actur ed by Muel l er B- 25170,Muel l er 110 or Ford Qui ck J oi nt Compr essi on Connect i ons; For d; B41- 666WQ;or BA41- 333WQ.

1. No i nver t ed key or pack j oi nt wi l l be accept ed f or 1- 1/ 2- i nch or 2-i nch met er val ve connect i on.

C. Angl e st op val ves f or 3/ 4- i nch shal l meet or exceed t hose manuf actur ed byt he Muel l er B- 2427, or For d BA41- 333WQ or appr oved equal . For 1” angl est op val ves, use Muel l er #B24274 or Ford #BA41- 444WQ or equal .

D. Angl e st op val ves f or 1 1/ 2- i nch and 2- i nch shal l meet or exceed t hosemanuf act ured by t he Muel l er B- 24276; For d BRA43- 666WQ, BFA43- 777WQ,Muel l er 110 or For d Qui ck J oi nt Compressi on Connect i ons.

1. Fl ar e or pack j oi nt wi l l not be accept ed f or 1 1/ 2- i nch and 2- i nch.

Page 75: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 75/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 75 Effective May 17, 2012

Section 13-09-003-0007.5 Service Extensions and Repairs

A. Al l ser vi ce ext ensi ons shal l ext end t o t he pr oper t y l i ne. Al l ext ensi oncoupl i ngs shal l be a sweat t ype Ci t y of Fl agst af f appr oved si l ver f l owbr azi ng al l oy or Muel l er 110 or For d Qui ck J oi nt Compr essi on Connect i on

onl y. ( No pack j oi nt coupl i ngs wi l l be accept ed. )

B. Ser vi ce ext ensi ons shal l be st aked ver t i cal l y and hor i zont al l y i n t hef i el d by a r egi st er ed Land Sur veyor .

C. A 12 ga. ( mi ni mum) gal vani zed or copper wi r e wi t h bl ue i nsul at i on shal lbe f ast ened t o the curb st op and t i ed t o a br i ck, ext endi ng above t he endof t he ser vi ce l i ne and pl aced at f i ni shed gr ade f or f ut ur e l ocat i ons.

Section 13-09-003-0008 Meter Requirements

I n accor dance wi t h Ci t y Code, ever y separat e bui l di ng suppl i ed wi t h ci t ywat er must have i t s own separat e meter. The r equi r ement t o have i ndi vi dualwat er meters appl i es t o commerci al , si ngl e f ami l y homes, t ownhouses,dupl exes, and t r i pl exes. A si ngl e servi ce l i ne and a “Mast er Met er” can beused f or condomi ni um, apar t ment or t r ai l er cour t devel opment s where t wo ormore bui l di ngs ar e l ocat ed on the same parcel of l and.

A. Wat er Met er Boxes:

1. The Ci t y of Fl agstaf f Ut i l i t i es Di vi s i on r equi r es t hat pr i or t oset t i ng a met er , t he cont r act or shal l expose t he cur b st op, pr otecti t f r om f r eezi ng, and pr ovi de 1/ 2 CY of ci nder sand wi t hi n 10 f eetof t he hol e f or t he i nst al l at i on of t he met er box.

2. Water met er boxes shal l be i nst al l ed over t he met er as t o al l ow easyaccess t o both t he i nl et and out l et met er coupl i ngs.

a. The cur b st op shal l be set a maxi mum of 2 i nches f r om t he i nsi deof t he i nl et si de of t he box and 20 i nches bel ow f i ni shed gr ade.( See Det ai l No. 9- 03- 070. )

b. The cur b st op shal l be l ocated per Det ai l 9- 03- 070.

3. Ther e shal l be a cl ear , l evel wor ki ng ar ea wi t hi n a t hr ee ( 3) f ootdi st ance i n al l di r ect i ons of t he met er box wi t h no obst r uct i onssuch as f ences, f i r e hydr ant s, si gns, r ock wal l s, phone/ el ectr i calpedest al s, l andscapi ng rocks, l ogs, bushes, or ot her i mpedi ment .

 Three ( 3) f oot cl earance shal l be mai nt ai ned based on f ul l mat ur i t yof pl ant s or t r ees.

4. Af t er meter i s i nst al l ed and a pl umber makes t he cust omer si deconnect i on, t he meter and boxes shal l be backf i l l ed wi t h ci nder sand6 i nches beneat h t he bot t om of t he box ( mi ni mum) and up t o 6 i nchesbeneat h the f i ni shed grade ar ound boxes ( 12 i nches mi ni mum) .

5. Met er box l ocat i ons must be out of t r avel ed r oadway, si dewal k ordr i veway. They may be l ocat ed i n l andscape areas or parki ng l oti sl ands. Boxes shal l be set 1 i nch above f i ni shed gr ade t o mi ni mi zef l oodi ng. Met er l ocat i ons shal l be easi l y accessi bl e f r om a st r eetor t r avel ed way and must be l ocat ed i n r i ght - of - way or easement s.

Page 76: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 76/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 76 Effective May 17, 2012

6. Requi r ed pr i vat e or vol unt ary pl umbi ng appur t enances such aspr essur e r educi ng val ves, backf l ow devi ces, cur b st ops ( st op andwast es) , shal l be set wi t h a mi ni mum 12- i nch separ at i on f r om t heout l et coupl i ng of met er ; none of t hese are al l owed i nsi de t he met er

box.7. Cust omer si de shut of f val ves ar e r equi r ed on al l new and exi st i ng

met er s and shal l be l ocated j ust out si de of t he met er box, per t heI nt er nat i onal Pl umbi ng Code, Sect i on 1005.

a. The val ve must have i t s own accept abl e val ve box.

Section 13-09-003-0008.1 Multiple Meter Service Connections 

A. U- Br anches

1. U- br anches wi l l be accept ed onl y i f t her e i s a mi ni mum of t wo3/ 4- i nch br anches of f a si ngl e 1- i nch ser vi ce.

2. U- br anches shal l be st r ai ght l i ne wi t h 3/ 4- i nch i r on pi pe out l et sand a mi ni mum of 13 1/ 2- i nch cent er t o cent er separat i on.

3. U- branches shal l meet or exceed t hose manuf act ur ed by t he Muel l er , J ones, and For d compani es, FORD UVB23- 42W- 13, MUELLER H- 15362- 13.

B. Mul t i pl e Met er s: Mani f ol ds

1. Mul t i pl e met er s i n excess of t wo on one ser vi ce l i ne shal l beaccept ed on 1- 1/ 2” and 2” ser vi ce connect i ons onl y. The maxi mumnumber of met ers al l owed on one servi ce depends on t he si ze of t heser vi ce and t he si ze of t he met er . Ref er t o t he t abl e bel ow:

 Tabl e 9- 03- 001

MAXI MUM NUMBER OF METERS ON ONE SERVI CE

Servi ce Si ze Meter Si ze

3/ 4 i nch 1 i nch 1- 1/ 2 i nch 2 i nch

3/ 4 i nch 1 0 0 01 i nch 2 1 0 0

1- 1/ 2 i nch 4 2 1 02 i nch 8 4 2 1

2. Each mani f ol d of 3 or more meters shal l be const r uct ed of coppersweat f i t t i ngs ( wi t h Ci t y of Fl agst af f appr oved si l ver f l ow br azi ng)wi t h a separat i on of 13 1/ 2- i nches. Each ser vi ce cur b st op shal lhave a mi ni mum of 18 i nches separat i on f r om t he servi ce connect i on.Each ser vi ce f r om t he ser vi ce connect i on shal l be t ype K sof tcopper .

a. Met er mani f ol ds shal l be i nst al l ed per Ci t y of Fl agst af f Det ai lNo. 9- 03- 081.

3. Al l 1 1/ 2- i nch and 2- i nch ser vi ce connect i ons wi t h mani f ol ds shal l

Page 77: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 77/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 77 Effective May 17, 2012

have a cont r ol val ve wi t hi n 18 i nches t o 24 i nches of t he mani f ol dwi t h cast i r on val ve box equal t o or exceedi ng those manuf act ur ed by

 Tyl er Cor porat i on 562- A or 564- A or r ef er t o C. O. F. Det ai l 9- 03- 081.

4. Al l 1 1/ 2 i nch and 2 i nch met er i nst al l at i ons shal l r equi r e a

separat e ser vi ce connect i on per met er.

5. Al l met er s f r om a mani f ol d shal l be l ocat ed wi t hi n t he r i ght - of - wayor publ i c ut i l i t y easement .

Section 13-09-003-0008.2 Compound Meters 

A. Compound met er s shal l be i nst al l ed per Ci t y of Fl agst af f Det ai l No. 9- 03-082  and f i r e ser vi ce met er s shal l be i nst al l ed per Ci t y of Fl agst af fDet ai l No. 9- 03- 083.  

Section 13-09-003-0009 Water Main Repairs 

A. Cl amps – Repai r s on exi st i ng water mai ns shal l be made wi t h st ai nl essst eel , doubl e band, f ul l ci r cl e r epai r cl amps. Cl amps shal l equal orexceed t hose manuf act ur ed by J CM model s 102, 132, or Smi t h Bl ai r Model227.

B. Tr ansi t i on Coupl i ngs – Any exi st i ng wat er mai n r equi r i ng r epai r s orhor i zont al or ver t i cal r eal i gnment s, wher e a t r ansi t i on coupl i ng i s t o beused, shal l r equi r e t he use of t r ansi t i on coupl i ngs t hat equal or exceedt hose manuf act ured by Powerseal Model 3501 or Ford Model FC2A.

Section 13-09-003-0010 Combination Air Release Valves

Combi nat i on ai r r el ease val ves shal l be r equi r ed at al l i n- l i ne hi gh poi nt si n water mai ns. Locate ai r r el ease val ves near pr oper t y corner s and mai nt ai n

t hr ee ( 3) f eet of cl ear l evel ar ea. Mai nt ai n a mi ni mum of t hr ee ( 3) f eethor i zont al separ at i on f r om wat er met er boxes. Ai r r el ease val ves shal l bei nstal l ed per Ci t y of Fl agstaff Det ai l No. 9- 03- 100.

Section 13-09-003-0011 Thrust Block Design

Engi neer ' s desi gn must f i t mai n si ze, desi gn & soi l s condi t i on. When j oi ntr estr ai nt s ar e speci f i ed i n l i eu of , or i n addi t i on t o, t hr ust bl ocks, t heyshal l be used at al l bends and f i t t i ngs or wher e j oi nt r est r ai nt devi ces ar especi f i ed by t he appr oved const r uct i on pl an. Rest r ai ned j oi nt cal cul at i onsshal l be pr epared and submi t t ed when necessar y, keepi ng i n mi nd t hat concr etet hr ust bl ocks are not t o be consi der ed i n the cal cul at i ons.

Section 13-09-003-0012. Pumping Stations and Reservoirs

A. Gener al l y, t he exi st i ng Ci t y network cannot ser vi ce devel opment abovecer t ai n el evat i ons dependi ng on t he pr essure zones of t he mai n.

 Theref or e, any devel opment whi ch cannot meet desi gn mi ni mums r equi r e pumpst at i ons or r eservoi r s, or both. Hydr opneumat i c syst ems are notdesi r abl e but may be al l owed by the Ci t y Counci l where i t i s shown t hatel evat ed r eser voi r s ar e not pract i cal . Deci si ons as t o whet her suchsyst ems can be added t o t he Ci t y network are made by t he Ci t y Counci l ,based upon recommendat i ons of t he Ut i l i t i es Di r ect or , t he Ci t y Engi neer ,and t he Water Commi ssi on. I f t he syst em i s out si de t he ur ban gr owt h

Page 78: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 78/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 78 Effective May 17, 2012

boundar y, t hen appr oval by t he Pl anni ng and Zoni ng Commi ss i on i sr equi r ed.

1. Such syst ems are al so subj ect t o a f ee equal t o t he est i mated amountof operat i on and mai nt enance expenses f or a per i od of t went y year s.

Such f ee shal l be agr eed t o by t he Ci t y and Devel oper and pai d pr i ort o any occupancy bei ng al l owed i n t he devel opment .

a. Operat i on and mai nt enance expenses shal l be based on al lper sonnel , cont r actual , commodi t i es, and r epl acement capi t alcost s t hat ar e est i mat ed f or t he f i r st t went y year s ofoperat i on. Repl acement capi t al cost s shal l be based on a t enyear l i f e of pumps and motors.

b. Capi t al wi t h a l i f e of gr eat er t han t en year s shal l bedepr eci ated based on i t s l i f e expect ancy.

2. The act ual amount pai d shal l be based on t he f utur e val ue of t heest i mated amount s assumi ng a 5% r ate of i nf l at i on and t hendi scount ed back t o t hei r pr esent val ue usi ng a f act or equal t o t hepr evi ous aver age si x mont h i nt er est pai d by t he Ar i zona St ate

 Tr easur er ' s Of f i ce pai d on t he Local Government I nvest ment Pool orother i nvest ment vehi cl es t he Ci t y may have.

B. Pump st at i on f aci l i t i es shal l be desi gned f or peak hour demand of t hepeak day wi t h pr ovi si ons f or f i r e f l ow. Peak day f l ow shal l be 2. 5 t i mest he average day demand f l ow.

1. Pump st at i ons ar e t o be desi gned t o meet al l mi ni mum r equi r ement s off l ow i n t he network wi t h any one of t he pumps out of servi ce.St andby power shal l al so be pr ovi ded whi ch i s adequat e to operate atpeak day demands.

2. The pump bui l di ng shal l be weat her pr oof , f i r e and vandal r esi st ant ,and ar chi t ect ur al l y harmoni ous wi t h t he sur r oundi ngs.

3. Al l pump st at i on f aci l i t i es requi r e si t e pl an and bui l di ng saf et yr evi ew and appr oval by t he Ut i l i t i es Di vi si on. Such r evi ew mayr esul t i n addi t i onal r equi r ement s t hat must be sat i sf i ed.

C. Reser voi r st or age capaci t y r equi r ed i s t o be at l east 250, 000 gal l ons.

D. Pump st at i ons f or r esi dent i al , i ndust r i al and commer ci al ar eas shal l bedesi gned by t he devel oper' s engi neer wi t h due r egard f or expected waterusage and f i r e f l ows. Thi s desi gn capaci t y wi l l be r evi ewed and appr ovedby the Ci t y Engi neer and Ci t y Ut i l i t i es Di r ector.

1. Pump st at i ons used t o f i l l r eser voi r s shal l be capabl e of compl et el yf i l l i ng t he r eser voi r i n 24 hour s wi t h one pump out of ser vi ce whi l eunder nor mal demand condi t i ons.

E. No devel opment t hat i s out si de t he Ci t y l i mi t s shal l be ser ved by Ci t yser vi ces.

Page 79: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 79/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 79 Effective May 17, 2012

Section 13-09-003-0013. Wells 

Section 13-09-003-0013.1 General 

Wel l s shal l conf orm t o t he r equi r ement s of t he ADEQ Engi neeri ng Desi gn

Gui del i nes f or t he Const r uct i on of Wat er Systems. A dr i l l i ng per mi t f r om t heAr i zona Depar t ment of Wat er Resour ces ( ADWR) shal l be obt ai ned. A desi gnr epor t of syst em capabi l i t i es and pr oducti on i nf l uence wi l l be r equi r ed.

 Thi s sect i on of t he st andar ds cover s t he basi cs i n wel l desi gn. A mor edetai l ed descr i pt i on of wel l r equi r ement s can be f ound i n AWWA- A100.

Section 13-09-003-0013.2 Construction Materials 

A. The accept abl e mater i al s f or wel l casi ngs ar e:

1. Si ngl e- pl y carbon st eel conf ormi ng t o ANSI / AWWA C305, APISpeci f i cat i on

2. Si ngl e- pl y hi gh st r engt h, l ow al l oy st eel conf ormi ng t o ASTM A714.

3. Si ngl e- pl y st ai nl ess st eel conf ormi ng t o ASTM A409.

B. Accept abl e j oi nt t ypes f or casi ng mater i al s ar e wel ded or t hr eaded AWWAC206. Al l scr eens and f i t t i ngs shal l be st ai nl ess st eel i ncl udi ng 20 f t .bl ank pump chamber s. Spacers shal l be of t he same mat er i al as the bl ankcasi ng and wel l scr een.

Section 13-09-003-0013.3 Design Considerations 

A. Mi ni mum desi gn consi der at i ons by t he Ut i l i t i es Di vi si on f or wel lf aci l i t i es are as f ol l ows :

1. A si x ( 6) f oot t al l chai n l i nk per i met er f ence wi t h l ocked ent r anceencl osi ng t he compound.

a. The f enci ng shal l be compat i bl e wi t h t he sur r oundi ng envi r onment ,i ncl udi ng l andscapi ng.

2. The f aci l i t y ent r ance shal l have a t wel ve ( 12) f t . wi de doubl e dr i veaccess gat e wi t h at l east t wel ve (12) f t . cl ear space.

3. The st at i on shal l have a paved access road at l east t wel ve ( 12) f t .wi de wi t h a maxi mum sl ope not t o exceed 12%.

a. A 45- f oot r adi us tur nar ound shal l be pr ovi ded i f t he access roadexceeds 50 f t . i n l engt h.

4. The i nt er i or of t he compound shal l be surf aced wi t h 4 i nches ofasphal t i c cement pavement .

5. Ser vi ce vehi cl e access t o maj or s t at i on component s shal l bei ncor por at ed i n t he st at i on desi gn.

6. Down cast f aci l i t y l i ght i ng, bot h wal l mount s and pol e mount s shal lbe pr ovi ded wi t h at l east one phot ocel l oper at ed l i ght .

Page 80: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 80/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 80 Effective May 17, 2012

a. The l i ght swi t ch shal l be l ocat ed next t o t he access gat e i n t hei nt eri or of t he compound.

b. Li ght s shal l be dark sky compl i ant .

7. Heavy equi pment access f or a wel l workover r i g shal l be i ncor porat edi n t he s i t e l ayout .

8. The si t e shal l be gr aded t o pr ovi de adequat e dr ai nage away f r omstr uctur es.

9. On- si t e chl or i ne equi pment ( as requi r ed i n consul t at i on wi t h t heUt i l i t i es Di vi si on) .

10. Wel l casi ng.

11. Scr een.

12. Col umn pi pe.

13. Di schar ge pi pi ng pl us pi t l ess adapt er .

14. Check val ve on di scharge l i ne.

15. Hose bi b t ype sampl i ng t ap on syst em si de of check val ve.

16. Wel l vent .

17. Pump pl us mot or .

18. Sani t ar y wel l seal ai r and wat er t i ght .

19. Pump base concr ete sl ab.

20. Ai r r el ease val ve bet ween t he pump and check val ve.

21. Af t er pl acement of t he pump, wel l s shal l be di si nf ect ed i n accordancewi t h ADEQ Engi neer i ng Bul l et i n No. 8, Di si nf ect i on of Water Syst ems.

22. Ai r and sand r emoval shal l be i ncl uded i n t he desi gn of t he wel lhouse.

B. The pump base concr et e sl ab shal l extend a mi ni mum of si x ( 6) f eet f r omt he cent er of t he wel l , be 6 i nches t hi ck and sl ope away f r om t he wel lhead a mi ni mum of 1/ 4 i nch per f oot . The si t e shal l dr ai n away f r om t hewel l and be pr ot ect ed agai nst er osi on t o pr event sur f ace r unof f f r oment er i ng t he wel l . The screen l engt h, aper t ur e si ze and const r uct i onshal l be i n accordance wi t h AWWA A100. The wel l shal l be seal ed andpr otect ed f r om t he ent r y of cont ami nant s or wat er f r om any sour ce ot hert han t he sel ect ed aqui f er s. Seal i ng of t he wel l shal l consi st ofgr out i ng t he f ol l owi ng:

1. The annul ar space bet ween t he casi ng and bor e hol e t o a mi ni mum depthr equi r ed t o excl ude pol l ut i on, or 500 f eet , whi chever i s gr eat er .

2. Al l zones cont ai ni ng wat er of undesi r abl e qual i t y or zones t o be

Page 81: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 81/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 81 Effective May 17, 2012

pr ot ect ed but excl uded f r om f i nal wel l compl et i on.

a. These ar eas shal l be gr out ed f r om at l east f i ve ( 5) f eet abovet he zone t o at l east f i ve ( 5) f eet bel ow t he zone.

3. Al l passages or f ormat i ons t hat pol l ut ant s may ent er such asout cr ops, ol d wel l s, excavat i on, l i mest one, sandst one or f r act ur edr ocks.

a. J oi nt s bet ween scr een sect i ons and bl ank casi ng spacer s shal l bewel ded or t hr eaded and be water t i ght , st r ai ght and as st r ong ast he screen.

b. The t op of t he wel l shal l be const r uct ed so t hat no f or ei gnmat t er or sur f ace wat er can ent er dur i ng or af t er const r uct i on.

c. On compl et i on of t he wel l , t he wel l shal l be t emporar i l y cappedt o pr event sur f ace pol l ut ant s f r om ent er i ng unt i l pumpi ngequi pment i s i nst al l ed.

C. Bel ow gr ound pi t s t o house t he pumpi ng equi pment are pr ohi bi t ed.

D. Wel l s shal l be const r uct ed r ound, pl umb, and t r ue t o l i ne wi t hi n t hef ol l owi ng t ol er ances:

1. The al i gnment must be sat i sf act or y f or t he successf ul i nst al l at i onand oper at i on of t he per manent pumpi ng equi pment .

E. Wel l s shal l be t est ed f or al i gnment and pl umb i n accordance wi t h AWWAA100, Sect i on 8.

F. New wel l s shal l be perf ormance t est ed t o acqui r e wat er sampl es and t odet er mi ne wel l capaci t y, dr aw down and pr oduct i on on a l ong- t er m basi s.

 Test i ng met hods shal l be i n accor dance wi t h AWWA A100, Sect i on 10.

G. Al l f aci l i t i es r equi r e si t e pl an and bui l di ng saf et y r evi ew and appr ovalby t he Ut i l i t i es Di vi si on. Such r evi ew wi l l r esul t i n addi t i onal desi gnr equi r ement s t hat must be sat i sf i ed.

Section 13-09-003-0013.4 Abandoned Wells 

A wel l abandonment pl an and not i ce of i ntent t o abandon must be submi t t ed andapproved by t he ADWR. See st at e st at utes r egardi ng abandonment f or s t at er equi r ement . Abandoned wel l s and t est wel l s shal l be seal ed by an ADWRl i censed wel l dr i l l er t o r est or e t he cont r ol l i ng geol ogi cal condi t i ons thatexi st ed bef or e t he wel l was const r uct ed. An accept abl e al t er nat i ve i s tocompl et el y f i l l t he wel l wi t h concrete.

Section 13-09-003-0014 Water Storage Facilities

Section 13-09-003-0014.1 General 

A. Wat er st or age f aci l i t i es shal l conf or m t o t he r equi r ement s of t he ADEQEngi neeri ng Desi gn Gui del i nes f or t he Const r uct i on of Water Syst ems.Reser voi r capaci t y f or r esi dent i al , i ndust r i al , and commer ci al ar easshal l be desi gned by t he devel oper ’ s engi neer wi t h due regards f orexpect ed water usage and f i r e f l ows.

Page 82: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 82/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 82 Effective May 17, 2012

B. The over al l obj ect i ves of f i ni shed wat er st or age ar e t o:

1. Assi st i n meet i ng peak f l ow r equi r ement s.

2. Equal i ze syst em pr essur es.

3. Provi de emergency water suppl y i n case of component f ai l ur e.

4. Per mi t hi gh servi ce pumps at t r eatment pl ant s t o operat e at arel at i vel y uni f orm rate.

5. Pr ovi de f or f i r e f l ows.Section 13-09-003-0014.2 Construction Materials 

 The mat er i al s and desi gns used f or f i ni shed wat er st or age uni t s shal l provi dest abi l i t y and dur abi l i t y as wel l as pr ot ect t he qual i t y of t he wat er . St eelst r uct ures shal l f ol l ow t he curr ent AWWA St andard D100 concerni ng st eelt anks, st andpi pes, r eservoi r s and el evat ed t anks. The mater i al s and desi gnar e subj ect t o Ut i l i t i es Di vi s i on appr oval .

Section 13-09-003-0014.3 Storage Capacity Sizing 

A. The Ut i l i t i es Depar t ment r equi r es t hat st or age f aci l i t i es be si zed t oaccommodate t he aver age dai l y f l ow pl us f i r e f l ow st orage requi r ement s.

 The average day demands ar e est abl i shed usi ng t he cr i t er i a set f or t h i nt hese r egul at i ons.

1. Water st orage si zi ng shal l be based on net capaci t y.

a. Net capaci t y i s l ess t han gr oss capaci t y due t o t he unusabl evol ume of t he st or age f aci l i t y.

B. The st orage desi gn capaci t y wi l l be r evi ewed and appr oved by t he Ci t yEngi neer and Ci t y Ut i l i t i es Di r ector.

C. Mi ni mum r eser voi r st or age capaci t y r equi r ed i s to be at l east 250, 000gal l ons.

Section 13-09-003-0014.4 Design Considerations 

A. The mi ni mum desi gn consi der at i ons f or wat er st or age f aci l i t i es ar e asf ol l ows:

1. A 6- f t . t al l masonr y per i met er wal l or f enci ng wi t h l ocked ent r anceencl osi ng t he compound. The wal l shal l be compat i bl e wi t h t hesur r oundi ng envi r onment , i ncl udi ng l andscapi ng.

2. The f aci l i t y ent r ance shal l have a panel st yl e, dual swi ng accessgat e wi t h at l east 16 f eet cl ear space.

3. The st at i on shal l have a paved access r oad at l east 12 f t . wi de wi t ha maxi mum sl ope not t o exceed 12%.

4. The i nt er i or of t he compound shal l be surf aced wi t h a 4- i nchcompact ed aggregat e base i ncl udi ng a weed barr i er .

Page 83: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 83/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 83 Effective May 17, 2012

5. Ser vi ce vehi cl e access t o maj or s t at i on component s shal l bei ncor por at ed i n t he st at i on desi gn.

6. Down cast f aci l i t y l i ght i ng, both wal l mount s and pol e mount s, shal lbe pr ovi ded wi t h at l east one phot ocel l - oper at ed l i ght . The l i ght

swi t ch shal l be l ocat ed next t o the access gat e i n t he i nt er i or oft he compound. Li ght s shal l be dar k sky compl i ant .

7. For non- el evated st orage, a backup power suppl y capabl e of operat i ngt he pump st at i on f or ei ght hour s dur i ng power out age. Speci f i ccr i t er i a f or backup gener at i on t ype and capaci t y shal l be gi vendur i ng desi gn pr ocess.

8. The si t e shal l be gr aded t o pr ovi de adequat e dr ai nage away f r omstr uctur es.

9. On- si t e chl or i ne gener at i on equi pment ( i f r equi r ed) .

10. St or age tank wi t h accept abl e i nt er i or and exter i or coati ng syst emsf or pot abl e wat er .

11. Concr et e f oundat i on r i ng.

12. I nsi de and out si de st eel l adder s.

13. Out si de l adder saf et y cage wi t h l ocki ng secur i t y gat e at base.

14. Wat er l evel i ndi cat or .

15. Tank vent housi ng.

16. Two ( 2) separat e 36- i nch, square- hi nged r oof access openi ngs ( one

wi t h i nsi de and out si de l adder ) .

17. Cat hodi c pr ot ect i on syst em as r equi r ed i n consul t at i on wi t h t heUt i l i t i es Di vi si on.

18. Over f l ow pi pe and spl ash pad.

19. Hi nged shel l manhol e.

20. Al t i t ude val ve, i sol at i on val ves, bypass l i ne and vaul t .

21. Tank di schar ge l i ne.

22. Tank f i l l l i ne.

23. Boost er st at i on suct i on l i ne ( wher e appl i cabl e) .

24. Tank dr ai n.

25. Di si nf ecti on syst em as requi r ed i n consul t at i on wi t h t he Ut i l i t i esDi vi s i on.

26. El ect r i cal and SCADA/ t el emet r y syst em.

Page 84: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 84/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 84 Effective May 17, 2012

27. Pr essur e t r ansmi t t er f or t el emet r y.

28. A cl ear area ar ound r eser voi r t o al l ow vehi cl e passage. Cl ear ancewi dt h shal l be si zed i n consul t at i on wi t h t he Ut i l i t i es Di vi si on.

Al l f aci l i t i es r equi r e si t e pl an and bui l di ng saf et y r evi ew and appr oval byCi t y of Fl agst af f . Such r evi ew may r esul t i n addi t i onal r equi r ement s t hatmust be sat i sf i ed.

Section 13-09-003-0015 Water Systems Not a Part of City Systems

A. No devel opment t hat i s out si de t he Ci t y l i mi t s shal l be ser ved by Ci t yser vi ces.

B. Any devel opment whi ch does not t i e t o t he Ci t y water syst em i s r equi r edt o meet t he appr oval of al l appl i cabl e agenci es. Such appr oval , t o beobt ai ned by t he devel oper , i s i n addi t i on t o Ci t y and Heal t h Depart mentappr oval s r equi r ed. Al l subdi vi si ons and mi nor l and di vi si ons arer equi r ed t o be ser ved by publ i c water, sewer , and r oads.

C. Pr i vat e f i r e mai ns shal l not be al l owed. Exi st i ng pr i vat e f i r e mai nsshal l be mai nt ai ned as requi r ed and r egul ated by the Ci t y Fi r eDepart ment . No pr i vat e water l i nes may cr oss i nt o or over t he publ i cut i l i t y easement , r i ght - of - way, or pr i vat e pr oper t y owned by ot her s.

Sections:

13-09-004  City Participation in Utility Extensions

13-09-004-0001  City Participation in Utility Extensions

Section 13-09-004 City Participation in Utility Extensions

Section 13-09-004-0001 City Participation in Utility Extensions

A. I n t he event t hat an area t o be servi ced by a devel oper i s smal l er i nsi ze t han the maxi mum area t o be servi ced by t he proposed mai n sewer orwat er l i ne, and i t s l at er al s, t he Ci t y may r equi r e t hat t he mai n bedesi gned, engi neered, and const r uct ed t o ser ve t he maxi mum areadescri bed. The Ci t y of Fl agst af f r eser ves the r i ght t o i ncrease t hedi amet er of any sewer or wat er ext ensi ons, i f i t deems i t advi sabl e. I ff ut ur e extensi ons of a pr oposed wat er l i ne wi l l r equi r e an i ncr ease i nt he l i ne si ze, t he Ci t y may r equest t he l i ne si ze be i ncr eased. The Ci t yof Fl agst af f may part i ci pat e by payi ng t he di f f er ence i n const r uct i on anddesi gn cost s bet ween the l i ne si ze r equi r ed t o ser ve t he devel opment andt hat si ze deemed necessary by t he Ci t y to ser ve al l f ut ur e expansi on.

B. The const r uct i on cost of t he over si ze shal l be deter mi ned i n accordancewi t h Ci t y and St ate publ i c bi ddi ng r equi r ement s and agr eed upon by t heCi t y Counci l pr i or t o commencement of const r uct i on, or as ot her wi seaut hor i zed by l aw. The cost di f f er ence t o be pai d by t he Ci t y shal l bedet er mi ned usi ng t he l ow bi d f or t he l arger si ze al t er nati ve l ess t he bi df or t he smal l er si ze al t er nat i ve i n t he same l ow bi d. Cost s of l at er aland br anch l i nes and t hei r appur t enances wi l l not be i ncl uded i n t heagr eed const r uct i on cost . Di f f erences bet ween wat er val ve cost s may bei ncl uded i n the const r uct i on cost s; however , f i r e hydr ant s and wat er

Page 85: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 85/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 85 Effective May 17, 2012

ser vi ces wi l l not be i ncl uded. The Ci t y Counci l r eser ves t he r i ght t or ej ect t he cost br eakdown and not par t i ci pat e i n t he over si zi ng i f i t i si nconsi st ent wi t h cur r ent cost s of equi val ent const r uct i on i n t he Ci t y.A cont r act shal l be pr epar ed by t he Ci t y st at i ng the t er ms of t he Ci t ypar t i ci pat i on i n t he ut i l i t y ext ensi on. I nt er est cost s ar e not t o be

i ncl uded i n par t i ci pat i on cost s.

C. Af t er t he compl et i on of const r uct i on and i nst al l at i on of an ext ensi on,t he devel oper shal l submi t a detai l ed st atement of t he cost s and expensesof such const r uct i on and i nst al l at i on t o the Ci t y Engi neer f or appr ovaland payment .

Sections:

13-09-005  Recapture Agreement

13-09-005-0001  Recapture Agreement

Section 13-09-005 Recapture Agreement

Section 13-09-005-0001 Recapture Agreement

A. I f a pr opert y owner or devel oper extends a wat er or sewer mai n acrossundevel oped pr opert y t o r each hi s devel opment or pr opert y, and wi shes t obe r ei mbur sed f or t he cost of i nst al l i ng sai d extensi on by f ut ur ecust omers al ong t he l engt h of t he l i nes, he may r equest a r ecapt ureagr eement be drawn up by t he Ci t y. Devel oper s may r equest a r ecapt ureagr eement when a l i ne i s const r uct ed acr oss t he f r ont age of parcel s notcur r ent l y r ecei vi ng ser vi ce f r om t he Ci t y. When t he owner of t hedesi gnat ed par cel r equest s ser vi ce, a pr o- r at ed cost of t he l i ne i scol l ect ed by t he Ci t y and r et ur ned t o t he devel oper . Recapt ur eagr eement s ar e set up t hr ough t he Ut i l i t i es Di vi si on. For quest i ons or

det ai l s on t he pr ocedur e t o i ni t i at e an agr eement , cont act t he Ut i l i t i esDi vi s i on.

B. The maxi mum peri od of t i me of t he r ecapt ure agr eement shal l be t en years.

Sections:

13-09-006  Sewer and Water Line Materials

13-09-006-0001  Sewer and Water Line Materials and Construction13-09-006-0002  General Requirements

13-09-006-0003  Pipe Bedding13-09-006-0004  PVC Pipe for Sanitary Sewers13-09-006-0005  PVC Pipe for Water Lines

13-09-006-0005.1  General

13-09-006-0005.2  Specifications13-09-006-0005.3  Affidavit of Compliance

13-09-006-0005.4  Approved Manufacturer and Model13-09-006-0006  Fire Hydrants

13-09-006-0006.1  Fire Hydrant Testing

13-09-006-0006.2  Fire Hydrant Specifications13-09-006-0006.3  Fire Hydrant Installation Notes13-09-006-0006.4  Fire Lines

13-09-006-0007  Back Flow Prevention Devices

Page 86: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 86/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 86 Effective May 17, 2012

Section 13-09-006 Sewer and Water Line Materials

Section 13-09-006-0001 Sewer and Water Line Materials and Construction

A. New publ i c sewer l i nes may be const r uct ed usi ng t he f ol l owi ng mater i al s:

1. Pol yvi nyl chl ori de ( PVC) , SDR 35, pl asti c sewer pi pe conf or mi ng t ot he appr opr i ate MAG sect i on f or di amet er s 15 i nches and l ess. Forpi pe di amet er s gr eat er t han 15 i nches, duct i l e i r on pi pe ( DI P) shal lbe used as speci f i ed i n Subsect i on 2 bel ow. .

2. Duct i l e i r on pi pe ( DI P) conf or mi ng t o t he appr opr i ate MAG sect i on.DI P may be used f or sewer l i nes, 8 i nches t hr ough 54 i nches i ndi amet er . When DI P i s used, i t shal l be l i ned wi t h Prot ect o 401cerami c epoxy.

3. Hi gh densi t y pol yet hyl ene ( HDPE) sewer pi pe conf ormi ng t o MAGSect i ons 603 and 738. The maxi mum pi pe al l owed shal l be 10 i nch f orHDPE.

4. When ut i l i zi ng “pi pe- bur st i ng” technol ogy t o r epl ace an exi st i ngsewer ser vi ce, HDPE SDR17 pi pe, conf or mi ng to AWWA C901/ C906 andASTM D2239, D2237, D3035, and F714, may be used.

B. New publ i c water l i nes may be const r uct ed usi ng t he f ol l owi ng mater i al s:

1. Pol yvi nyl chl or i de ( PVC) pl ast i c water pi pe conf ormi ng t o AWWA C-900.

2. Cl ass 350, duct i l e i r on pi pe ( DI P) conf ormi ng t o MAG sect i on 750. 2and 750. 3, wi t h pol yet hyl ene cor r osi on protect i on conf ormi ng t o MAG

Sect i on 610. 6. 2. Def l ect ed duct i l e i r on pi pe shal l be desi gned t odef l ect no more t han 1/ 2 t he maxi mum as r ecommended by t hemanuf act ur er , hor i zont al l y and ver t i cal l y. Duct i l e i r on pi pe mai nsshal l be pr ot ect ed f r om ext er i or cor r osi on. Thi s pr ot ect i on mayconsi st of encasement i n a pol yet hyl ene pr otect i ve wr appi ng or otherapproved met hods.

3. Duct i l e i r on pi pe f i t t i ngs shal l be new and conf or m t o MAG sect i on750. 4 wi t h UL and FM appr oval s. Domest i c f i t t i ngs are al l owed;i mport ed f i t t i ngs are al l owed i f t hey meet t hese st andards and areappr oved by t he Ut i l i t i es Di r ect or and Ci t y Engi neer .

4. Val ves: Gate val ves shal l be used on wat er mai ns t hat are t wel ve( 12) i nches and smal l er i n di amet er . Gat e val ves wi t h non- r i si ngst ems shal l be used f or al l l ocat i ons and be r esi l i ent seat andepoxy coat ed i nsi de and out . But t er f l y val ves shal l be used on al lwater mai ns f our t een ( 14) i nches and l arger i n di amet er . Al lbut t er f l y val ves shal l be r esi l i ent seat and epoxy coat ed.

5. Pi pe Casi ng: Casi ngs ar e r equi r ed on al l pi pes i nst al l ed usi ngbor i ng methods or ot her speci al condi t i ons. The casi ng mater i alused shal l be a mi ni mum of one- quar t er ( 1/ 4) i nch t hi ck steel( desi gn cal cul at i ons must be submi t t ed by t he devel oper’ s engi neer )and conf or m t o ASTM A283, Gr ade B, C, or D. Al l j oi nt s shal l be

Page 87: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 87/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 87 Effective May 17, 2012

wel ded. I nt er i or j oi nt s shal l be gr ounded t o a smoot h f i ni sh. Al lwel di ng shal l be per f or med i n accor dance wi t h AWWA C201, “AWWASt andar d f or Fabr i cat ed El ect r i cal l y Wel ded St eel Wat er Pi pe”.Coati ngs f or st eel casi ngs are not r equi r ed. The pi pe casi ng shal lbe l ai d t r ue to l i ne and gr ade wi t h no bends or changes i n gr ade f or

t he f ul l casi ng l engt h. The pi pe shal l be symmet r i cal l y support edabout i t s cent er l i ne i nsi de t he casi ng at each j oi nt end, wi t h aCi t y of Fl agst af f Ut i l i t i es Depar t ment appr oved st ai nl ess steelcasi ng spacer ( si zed and desi gned per manuf act ur er r ecommendat i ons) .

 The casi ng ends shal l be grouted wi t h l i ght f l yash cement and seal edi n a manner accept abl e t o t he Ut i l i t i es Depart ment . ( See Det ai l 9-06- 010. )

For water and sewer l i nes great er t han 8 i nches i n di amet er , t he Ci t yEngi neer may aut hor i ze t he use of al t er nate pi pe l i ne mater i al s whenshown and detai l ed on t he const r uct i on pl ans.

C. The desi gn engi neer may submi t a car ef ul l y document ed and consi der edwr i t t en pr oposal f or al t er nat e pi pe l i ne mat er i al s and const r uct i onmet hods. The Ci t y Engi neer and t he Ut i l i t i es Di r ect or wi l l r evi ew t hi spr oposal f or use of al t er nate pi pe l i ne mat er i al s and met hods. Pr oposal sf ound to be i n conf ormi t y wi t h good engi neer i ng desi gn that can be easi l ymai nt ai ned by t he Ci t y may be gi ven wr i t t en appr oval f or i ncorpor at i oni nt o t he const r uct i on pl ans i f f ound t o be i n t he publ i c i nt er est .

Section 13-09-006-0002 General Requirements

A. No wat er set t l i ng wi l l be al l owed i n t r enches.

B. The pi pe shal l be handl ed and i nst al l ed i n accordance wi t h t hemanuf actur er ' s r ecommendat i on when not i n conf l i ct wi t h ot her Ci t yspeci f i cat i ons.

C. Af f i davi t s of compl i ance by t he manuf act ur er st at i ng t hat t he mat er i al scompl y wi t h al l appl i cabl e pr ovi si ons of Ci t y speci f i cat i ons may ber equi r ed and shal l accompany each t r uck or carl oad of pi pe at t he t i me ofdel i ver y. Af f i davi t s shal l be f or war ded t o t he Ci t y by t he Cont r act or .

Section 13-09-006-0003 Pipe Bedding

A. The Ci t y of Fl agst af f wi l l accept back f i l l i ng of t r enches wi t h a non-shr i nk backf i l l as an al t er nat i ve t o st andar d t r ench backf i l l mat er i al .

 The non- shr i nk backf i l l shal l be proport i oned as f ol l ows: 2600 l bs. of3/ 8- i nch mi nus aggr egate, 800 l bs. sand, 94 l bs. cement and 11 gal l ons ofwat er. Al l mater i al shal l be mi xed by means of a r eady mi x t r uck. Non-shr i nk backf i l l may be used i n ei t her paved or unpaved sect i ons of Ci t yr i ght - of - way.

1. Mechani cal compact i on wi l l not be r equi r ed when t hi s non- shri nkbackf i l l i s used.

2. No compact i on t est i ng wi l l be r equi r ed.

B. The ut i l i t y gover ni ng use of t he t r ench shal l det er mi ne t he appr opr i at ei nstal l at i on cr i t er i a f or i t s f aci l i t y. Ref er t o t he appl i cabl e standard( Det ai l 9- 06- 030) .

Page 88: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 88/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 88 Effective May 17, 2012

Section 10-09-006-0004 PVC Pipe for Sanitary Sewers

A. The pi pe mat er i al used shal l be SDR35.

B. The pi pe shal l be i nst al l ed per MAG speci f i cat i ons.

C. Al l pi pes shal l be checked f or def l ect i on wi t h a pr oper l y si zeddef l ect i on mandr el af t er backf i l l and bef or e accept ance. Any def l ect i onshal l not exceed t he manuf acturer ' s recommendat i on. Any pi pe wi t hexcessi ve def l ect i on shal l be removed and repl aced wi t h a f ul l l engt h oft he pi pe. No cut t i ng and spl i ci ng wi l l be al l owed.

Section 13-09-006-0005 PVC Pipe for Water Lines

Section 13-09-006-0005.1 General

A. PVC wat er l i ne, i n conf ormance wi t h AWWA C- 900 st andar ds and t he Ci t y ofFl agst af f r equi r ement s, wi l l be al l owed f or wat er di st r i but i on mai ns, 8i nch t o 12 i nch. C- 900 PVC shal l conf orm t o AWWA C- 900 st andards, Tabl e2, Cast - I r on- Pi pe Equi val ent out si de di amet er s wi t h el ast omer i c gasketcoupl i ngs. Duct i l e i r on pi pe shal l be used f or mai ns gr eat er t han 12i nches unl ess wr i t t en appr oval i s obt ai ned f r om t he Ci t y Engi neer f oreach i ndi vi dual si t uat i on.

B. Al l ot her st andar ds appl yi ng t o wat er l i ne const r uct i on shal l cont i nue t oappl y.

C. The cont r act or shal l f ur ni sh t he Ci t y of Fl agst af f any i nf or mat i on f r omt he manuf act ur er upon r equest so t hat t he pr oduct s f ur ni shed under t hi sspeci f i cat i on may be pr oper l y eval uat ed f or accept ance or r ej ect i on.Onl y pr oduct s of appr oved manuf actur ers wi l l be accept ed.

Section 13-09-006-0005.2 Specifications

A. Al l pol y vi nyl chl or i de ( PVC) pi pe shal l be new and shal l conf orm t o AWWAspeci f i cat i on C- 900, l at est r evi si on, except as modi f i ed her ei n.

B. Al l PVC pi pe shal l be Cl ass 305, unl ess ot her wi se desi gnat ed.

C. Al l PVC pi pe f ur ni shed shal l be i nt egr al bel l wi t h el ast omer i c gasket s orpl ai n ends wi t h el astr omer i c gasket s and coupl i ngs. Def l ect ed pi pe shal lbe desi gned to def l ect no more t han 1/ 2 t he maxi mum as r ecommended by t hemanuf acturer , hor i zont al l y and ver t i cal l y.

D. The t ype of pi pe f urni shed shal l be marked per AWWA C- 900 speci f i cat i ons,Sect i on 2. 5 and t o i ncl ude date of manuf act ur e and manuf acturer ' s code.

E. PVC connect i ons t o cement asbestos and duct i l e i r on pi pe shal l beaccompl i shed by tr ansi t i on coupl i ngs duct i l e i r on sol i d sl eeve.

F. PVC pi pe shal l be pr ovi ded i n nomi nal 20 f oot ( pl us or mi nus 1 i nch)l ayi ng l engt hs f or al l si zes. Shor t l engt hs may be f i el d cut f or maki ngr equi r ed hor i zont al or ver t i cal def l ecti ons. At l east 85% of t he t ot alf ootage of pi pe i n any cl ass and si ze shal l be f ur ni shed i n st andar dl engt hs, t he remai ni ng 15% i n r andom l engt hs. Random l engt hs shal l not be

Page 89: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 89/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 89 Effective May 17, 2012

l ess than 10 f eet l ong. Al l st andard, r andom, and shor t pi eces andcoupl i ngs shal l have pr oof of meet i ng appl i cabl e hydr ost ati c t est i ngpr ovi si ons of AWWA C- 900 st andards at t he poi nt of manuf acture.

G. Shi ppi ng, handl i ng, unl oadi ng, cut t i ng, j oi ni ng, i nst al l at i on and st or age

of PVC pi pe shal l be accompl i shed per t he manuf act ur er ' s gui del i nes t oi nsur e the i nt egr i t y and qual i t y of t he PVC pi pe.

1. St orage shal l be accompl i shed i n such a manner as t o pr ot ect t he PVCpi pe f r om pr ol onged exposur e t o sunl i ght and/ or ext r eme heat .

H. Lubr i cant f or j oi ni ng of PVC pi pe j oi nt s shal l be compl et el y compat i bl ef or use wi t h a potabl e water syst em, and meet pi pe manuf actur er ' sgui del i nes.

I . Di si nf ect i on of PVC pi pe shal l be per ADEQ Bul l et i n 8. Tabl et met hod ofchl or i nat i on shal l not be accept ed.

 J . Al l PVC pi pe f urni shed shal l be such as t o be t apped wi t h st andar dt appi ng ( over 2 i nches) and dr i l l i ng t ool s (3/ 4 i nch t o 2 i nches) . Al lt appi ng wi t h sl eeves and/ or servi ce connect i ons shal l be accompl i shed pert he manuf act ur er ' s gui del i nes and appl i cabl e Ci t y of Fl agst af f st andar dspeci f i cat i ons and pr act i ces. Di r ect t appi ng wi t hout t he use of saddl eswi l l not be per mi t t ed.

K. Pi pe f i t t i ngs f or PVC pi pe shal l be mechani cal j oi nt . Pi pe i s not t o bel ongi t udi nal l y def l ect ed at f i t t i ngs.

L. Fi t t i ngs and val ves f ur ni shed f or use wi t h PVC pi pe shal l be cast i r on orduct i l e i r on and pol yet hyl ene encased i n accordance wi t h appl i cabl e Ci t yspeci f i cat i ons and AWWA C- 110 ( mi ni mum pr essure rat i ng i s 200 psi ) .

M. Hydr ost ati c pr essur e t est i ng and l eakage t est i ng shal l be per t he

appl i cabl e port i ons of Ci t y and AWWA speci f i cat i ons as di r ect ed by theEngi neer , and per t he f ol l owi ng speci f i cat i ons:

1. Test pr essur es f or al l si zes Cl ass 305 PVC pi pe shal l be 200 psi att he l owest end of t he sect i on under t est . Test dur at i on shal l be ami ni mum of t wo hour s.

2. Al l owabl e l eakage f or t he PVC pi pe shal l be per t he f ol l owi ng t abl eand f ormul a:

 TABLE 9- 6

ALLOWABLE LEAKAGE FOR PVC PLASTI C PI PE WI TH ELASTOMERI C J OI NTSU. S. GALLONS PER HOUR

AVERAGE TEST PRESSURE I N LI NE - 200 P. S. I .

Nomi nalPi pe Si ze

I nches Al l owabl e Leakage ( gph)( per 1, 000 f eet or 50 J oi nt s)

Page 90: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 90/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 90 Effective May 17, 2012

6 0. 578 0. 7610 0. 96 

12 1. 15

For mul a Engl i sh Uni t sL = ( ND x P1/ 2)

7400

Desi gn Basi s

WHERE: L = Al l owabl e Leakage ( gph) .N = Number of J oi nt s i n t he Test ed Li ne ( pi pe and f i t t i ngs) .D = Nomi nal Di ameter of Pi pe ( i nch)P = Aver age Test Pressure ( psi ) .

WARNI NG: WATER PRESSURE TESTI NG ONLY. AI R TESTI NG I S NOT ALLOWABLE.

Section 13-09-006-0005.3 Affidavit of Compliance

Af f i davi t s of compl i ance by the pi pe manuf act ur er shal l be r equi r ed of al lt est s appl i cabl e under AWWA Speci f i cat i on C- 900, l at est r evi si on, except t hatal l i nspect i on and t est i ng shal l be per f or med i n t he Uni t ed St at es of Amer i caat t he pi pe manuf act ur er ' s pl ant , or at an appr oved t est i ng l abor ator y i n t heUni t ed St at es.

Section 13-09-006-0005.4 Approved Manufacturer and Model

A. Manuf act ur er submi t t al r equi r ed f or t he establ i shment of an appr ovedl i st . The manuf actur er shal l submi t f i ve ( 5) set s of i t s wr i t t en

gui del i nes f or shi ppi ng, handl i ng, unl oadi ng, cut t i ng, j oi ni ng,i nst al l at i on, st or age, and/ or any ot her f acet s of wor ki ng wi t h i t s PVCpi pe t o t he Ci t y of Fl agst af f al ong wi t h hi s submi t t al and Af f i davi t ofCompl i ance.

1. Appr oved manuf act ur er l i st .

a. Vi nyl t ech.b. J ohns- Manvi l l e.c. Cer t ai nt eed.d. PW Pi pe by Paci f i c West er n Extr uded Pl ast i cs Co.e. Uponor ETIf . Nort h Amer i can Pi pe Corporat i on

g. Di amond Pl ast i cs

13-09-006-0006 Fire Hydrants

13-09-006-0006.1 Fire Hydrant Testing

A. Fi r e hydr ant s shal l be i nst al l ed i n accor dance wi t h st andar d f i r e hydr anti nstal l at i on dr awi ngs.

B. Fi r e hydr ant mai n val ve and auxi l i ar y mai n val ve shal l be i n t he f ul lopen posi t i on dur i ng t he f i l l i ng of t he system f or t he f i r st t i me i n

Page 91: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 91/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 91 Effective May 17, 2012

or der t o al l ow al l of t he ai r i n t he l i nes t o escape. Fi l l i ng shal l bedone at a very sl ow r at e t o avoi d compr essi ng t he ent r apped ai r i n t hel i nes.

C. Fi r e hydr ant mai n val ve may be cl osed as soon as water i s cl ear , no

l onger mi l ky, and r unni ng f r ee. The l i ne t est i s then cont i nued agai nstt he cl osed mai n val ve unt i l compl et ed. The use of a f i r e hydr ant f ort est i ng wi t h t he mai n val ve open shal l not be consi der ed as a t r ue t estof t he l i ne’ s abi l i t y t o hol d pr essur e.

D. Fi r e hydr ant auxi l i ar y val ve may be cl osed af t er t he l i ne t est i scompl eted and t he f i r e hydr ant mai n val ve f ul l y opened. Wi t h a hose capr emoved, t he hydr ant may be f l ushed by thr ot t l i ng wi t h t he auxi l i aryval ve. Shoul d an obst r uct i on be encount ered i n t he mai n val ve, t he mai nval ve shal l not be f orced i nt o a cl osed posi t i on, r ather opened sever alt i mes t o f l ush out t he obst r uct i on. I f t he obst r uct i on r emai ns, t he mai nval ve shal l be r emoved. Wi t h al l i nt er nal par t s r emoved, t he auxi l i ar yval ve may be opened sl owl y unt i l t he obst r uct i on i s f l ushed out . Shoul dt he obst r uct i on r emai n, i t shal l t hen be r emoved manual l y f r om t he bot t omof t he hydr ant .

E. Fi r e hydrant mai n val ve may be opened wi t h t he hydrant caps securel yt i ght ened and t est ed f or l eaks at t he normal mai n pr essur es. When t hi st est i s compl eted, t he mai n val ve shal l be shut and a cap r emoved. Whenpl aci ng the pal m of t he hand over t he end of t he nozzl e, suct i on shoul dbe f el t i f t he hydr ant dr ai n i s oper at i ng cor r ect l y. Al l ow hydr ant t odr ai n f ul l y bef or e i nstal l i ng caps.

F. Fi r e hydr ant mai n val ve shal l be cl osed t i ght l y but not f or ced, t heauxi l i ary val ve shal l be i n an open posi t i on, and t he nozzl e caps shal lbe snug t i ght . Thus, t he hydr ant wi l l be i n a r eady condi t i on f or Fi r eDepar t ment use.

G. Fi r e hydr ant s shal l never be f orced i n t he open or cl osed posi t i on asst ops are pr ovi ded i nsi de t he hydr ant t o st op t he t r avel of t he mai nval ve. For ci ng wi l l r esul t i n damage t o t he hydr ant . The f i r e hydr antoper at i ng nut shal l be packed of f sl i ght l y i nt o t he f r ee pl ay posi t i onaf t er cl osi ng t he hydr ant . Damage r esul t i ng f r om i mpr oper i nst al l at i onor car e of t he f i r e hydr ant dur i ng i nst al l at i on shal l be t he sol er esponsi bi l i t y of t he cont r actor i nvol ved.

H. Fi r e hydr ant s shal l not be used t o t ake sampl es f or bact er i ol ogi ct est i ng. AWWA C601- 68:

1. “Sampl es f or bacteri ol ogi c anal ysi s shal l be col l ected i n st er i l ebot t l es t r eat ed wi t h sodi um t hi osul f at e. No hose or f i r e hydr antshal l be used i n col l ect i on of sampl es. ”

2. I nst al l at i on of a saddl e and cor por at i on st op f or t est i ng i sr equi r ed. Af t er t est i ng i s compl et ed, t he cor por at i on st op shal l ber emoved and t he saddl e pl ugged.

I . A dr y- bar r el hydr ant wi t h unpl ugged dr ai ns shal l not be t est ed at t hesame t i me as t he water mai n; t he mai n shal l be t est ed wi t h t he hydr ant scl osed ( see AWWA C600) . The wat er mai n cannot be t est ed sat i sf act or i l yi f t he hydr ant i s connect ed t o i t because of al l owabl e l eakage t hr ough

Page 92: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 92/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 92 Effective May 17, 2012

t he hydr ant drai ns ( see f ol l owi ng par agr aph) . I f desi r ed, t he gat e val vei n t he hydr ant l at eral may be cl osed and t he hydr ant pr essur e t est ed byi nt r oduci ng water under pressur e t hr ough an out l et nozzl e.

 J . Dr y- barr el hydr ants wi t h unpl ugged drai ns may exhi bi t sl i ght l eakage ( up

t o 5 f l . oz. per mi n) t hr ough the dr ai ns; per t he cur r ent AWWA St andardsf or Testi ng.

Section 13-09-006-0006.2 Fire Hydrant Specifications

A. Hydr ant s shal l be desi gned, manuf act ur ed, and t est ed i n compl i ance wi t ht he l atest edi t i on of AWWA C502 “St andard f or Dr y- Barr el Fi r e Hydr ant s”as publ i shed by t he AWWA.

B. Hydr ant s shal l be “TRAFFI C” t ype wi t h a r epl aceabl e “breakabl e” f l angeuni t i mmedi atel y above the gr ound l i ne f or mi ni mi zi ng r epai r s due tot r af f i c damage. Nozzl e sect i on must r ot at e 360º. Tr af f i c f l ange shal lbe a mi ni mum of 2 i nches above gr ound l evel , 6 i nches maxi mum abovef i ni sh gr ade of cur b, si dewal k, or l andscapi ng.

C. Hydr ant shal l be of a dr y barr el conf i gur at i on t o pr event wat er l oss duet o tr af f i c damage and f r eezi ng.

D. Hydr ant s shal l be const r uct ed such t hat t he mai n val ve cl oses wi t h waterpr essur e ( opens agai nst ) t o assur e no l oss of water i n t he event ofdamage to t he upper por t i on of t he f i r e hydr ant or i f t he oper at i ng stemshoul d shear and to al l ow mai nt enance of upper port i on of f i r e hydr antwi t hout havi ng t o cl ose the l ead val ve.

E. Mai n val ve openi ng shal l have a di amet er of at l east 5- 1/ 4 i nches t oassur e opt i mum f l ow.

F. St andpi pe ( hydr ant bar r el ) i nsi de di amet er shal l not be l ess t han 7- 1/ 4i nches.

G. Hydr ant shal l have a seal ed oi l r eser voi r t ype bonnet wi t h O- r i ng seal st o al l ow l ubr i cat i on of st em t hr eads.

H. Hydr ant oper at i ng nut must t ur n l ef t ( count er - cl ockwi se) t o open.

I . Operat i ng and cap nut s wi l l be pent agon i n shape; di mensi on shal l be 1-1/ 2 i nches poi nt t o f l at ( Nat i onal St andar d) .

 J . Hydrants shal l have a 6 i nch i nl et of MJ desi gn.

K. Hydr ant s shal l have an aut omat i c dr ai n operated by t he mai n val ve r od andshal l have a mi ni mum of t wo dr ai n port s i n the shoe of t he hydr ant s.

 These drai n port s shal l be brass l i ned t o prevent r ust i ng.

L. Hydr ant s shal l have t wo 2- 1/ 2 i nch nozzl es and one 4- 1/ 2 i nch pumpernozzl e havi ng nat i onal st andar d thr eads.

M. Hydr ant s shal l have a mai n val ve seat r i ng of br onze t hr eaded i nt o abr onze dr ai n r i ng; al l worki ng part s shoul d be r emovabl e thr ough t heupper bar r el .

Page 93: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 93/382

Page 94: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 94/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 94 Effective May 17, 2012

t he f i r e hydr ant . ( See Det ai l 13- 03- 012) .

7. Fi r e hydr ant s wi l l have a maxi mum 6 f t . bur y.

8. Wher e a f i r e hydr ant i s l ocat ed i n a concret e sect i on ( si dewal k,

sl ab, or ot her concret e st r uct ur e) a 4’ x 4’ bl ock out shal l ber equi r ed ar ound the hydr ant .

9. I n cul - de- sacs, wher e a f i r e hydr ant i s requi r ed at or near t he endof a dead end mai n, i t shal l be i nst al l ed at t he end of t he mai ni nst ead of a bl ow- of f .

10. Detect or check devi ces wi t h bypass met er assembl i es may be r equi r edwhen one or mor e of t he f ol l owi ng condi t i ons exi st s or wi l l exi st :

a. The on- si t e wat er syst em i ncl udes out l et s f or f ut ur e connect i ons.

b. The on- si t e water syst em al l ows f i r e demand f l ow r at es to occurwi t hout act i vat i ng an al ar m.

c. There i s or wi l l be an obvi ous means by whi ch water f r om t he on-si t e f i r e syst em mi ght be used f or pur poses ot her t han f i r ef i ght i ng.

Section 13-09-006-0006.4 Fire Lines 

A f i r e l i ne i s a pr i vat e pi pe syst em connect ed di r ect l y t o t he Ci t y wat ersyst em. A f i r e l i ne, by t he nat ur e of i t s f unct i on and use, i s suscept i bl et o backf l ow. Consequent l y, i t i s subj ect t o t he r equi r ement s f or backf l owpr event i on cont ai ned i n t hese r egul ati ons.

A. The f i r e l i ne backf l ow assembl y shal l be i nst al l ed i mmedi at el y i nsi de t he

bui l di ng bei ng ser ved, but i n al l cases, bef or e t he f i r st br anch l i nel eadi ng of f t he ser vi ce l i ne. Such backf l ow pr event i on devi ceassembl y(i es) shal l be i nst al l ed and appr oved bef ore wat er ser vi ce shal lbe pr ovi ded. Al l backf l ow pr event i on devi ce assembl i es, once i nst al l ed,shal l be i nspect ed by t he Ci t y of Fl agst af f I ndust r i al Wast e Sect i on, andbef or e use, shal l be t est ed by a St at e of Ar i zona cer t i f i ed backf l owt ester pai d f or by owner / devel oper wi t h t he r esul t s f orwarded andr ecei ved by t he Ci t y of Fl agst af f I ndust r i al Wast e Sect i on, pr i or t oaccept ance of ser vi ce.

B. Above gr ound i nst al l at i on of backf l ow pr event i on devi ces shal l conf orm t ot he Ci t y ordi nance on backf l ow pr event i on and cr oss- connect i on cont r ol ,and Ci t y of Fl agst af f St andard Engi neer i ng Det ai l s f or Backf l owAssembl i es, Det ai l s 9- 06- 071 – 9- 06- 075.

Section 13-09-006-0007 Back Flow Prevention Devices 

Backf l ow pr event er s shal l be i nst al l ed as r equi r ed by t he Ci t y of Fl agst af fCode, Chapt er 7- 03, Ci t y Wat er System Regul at i ons, Sect i on 7- 03- 001- 0015,Cr oss- Connect i on Cont r ol , and shal l be i nst al l ed per Ci t y of Fl agst af fDetai l s 9- 06- 071 t hr ough 9- 06- 075.

Page 95: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 95/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 95 Effective May 17, 2012

Sections:

13-09-007  Reclaimed Wastewater System Design13-09-007-0001  Guide For Design13-09-007-0002  Valve Locations

13-09-007-0003  Reclaimed Wastewater Services13-09-007-0004  Thrust Block Design

13-09-007-0005  Pumping Stations and Reservoirs13-09-007-0006 City Participation in Reclaimed Wastewater Line Extensions

13-09-007-0007  Reclaimed Wastewater Line Materials and Construction13-09-007-0007.1  General Requirements

13-09-007-0008  PVC Pipe for Reclaimed Wastewater Lines

Section 13-09-007 Reclaimed Wastewater System Design

Section 13-09-007-0001 Guide For Design

Recl ai med water shal l be used f or non- potabl e appl i cat i ons such asi r r i gat i on, dust cont r ol , const r ucti on wat er . I t shal l not be used aspot abl e wat er appl i cat i ons i ncl udi ng f i r e pr ot ect i on and bui l di ngs. The Ci t yof Fl agst af f r ecl ai med wast ewat er di st r i but i on syst em i s desi gned to pr ovi depr essur e t o cer t ai n i r r i gat i on user s at t he same l evel of ser vi ce as t heCi t y' s Zone B domest i c wat er syst em. Pr i or t o desi gni ng a system f orr ecl ai med wast ewater, t he pr ospect i ve user ' s pr oj ect r equi r es r evi ew by t heCi t y of Fl agst af f Wat er Commi ssi on and appr oval of a user agr eement by t heCi t y Counci l .

Section 13-09-007-0002 Valve Locations

A. I t i s necessary to be abl e t o i sol at e sect i ons of r ecl ai med wast ewat erpi pi ng f or r epai r s whi l e st i l l havi ng t he abi l i t y to suppl y recl ai medwast ewat er t o other cust omers. The l ocat i on of val ves and t he number of

val ves shal l be based on t he l ocat i on of cust omers and the amount ofpi pi ng t hat r equi r es dewat er i ng f or necessary repai r s.

B. Val ves shal l be gener al l y l ocat ed as f ol l ows, unl ess ot her wi se appr ovedby t he Ut i l i t i es Depar t ment :

1. At i nt er val s to i sol at e no mor e t han t wo ( 2) f i r e hydr ant s at anyt i me.

2. I n r esi dent i al ar eas to i sol at e a maxi mum of t hi r t y ( 30) ser vi ces( appr oxi mat el y 600 f eet ) .

3. At mi ni mum i nt er val s of ei ght hundr ed ( 800) f eet .

4. Val ves shal l not be l ocat ed i n st r eet gut t er s, val l ey gut t er s,concr et e apr ons, or i n dr i veways.

5. Thr ee ( 3) val ves ar e r equi r ed on a 4- way cr oss, one ( 1) val ve mi ni mumi s r equi r ed on al l 3- way Tee f i t t i ngs.

C. The val ve l ocat i on i s to be a mi ni mum of t en ( 10) f eet upst r eam of t hecap or bl owof f assembl y.

Page 96: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 96/382

  CHAPTER 13-09

WATER, SEWER AND OTHER UNDERGROUND UTILITIES

Engineering Design Standards 96 Effective May 17, 2012

Section 13-09-007-0003 Reclaimed Wastewater Services

Accept abl e materi al s f or r ecl ai med wast ewater servi ces shal l meet t hoser equi r ement s speci f i ed f or wat er servi ces. Al l r ecl ai med wastewater servi cesshal l be i dent i f i ed wi t h war ni ng t ape i n accor dance wi t h Sect i on 13- 09- 01-

0002.

Section 13-09-007-0004 Thrust Block Design

Engi neer ' s desi gn must f i t mai n si ze, desi gn, and soi l condi t i ons.

Section 13-09-007-0005 Pumping Stations and Reservoirs

A. Pump st at i ons, r eser voi r s, or bot h, may be r equi r ed t o suppl y adequatewor ki ng pr essur e f or appl i cat i ons above t he 7000 f t . el evat i on cont our .Deci si ons as t o whether such syst ems can be added to t he Ci t y syst em aremade by t he Ci t y Counci l based on r ecommendat i ons of t he Ut i l i t i esDi r ector , t he Ci t y Engi neer and t he Water Commi ssi on.

B. Pump st at i ons ar e t o be desi gned t o meet al l mi ni mum r equi r ement s of f l owi n the network wi t h any one of t he pumps out of servi ce.

Section 13-09-007-0006 City Participation in Reclaimed Wastewater LineExtensions

 The Ci t y encourages t he use of r ecl ai med wast ewat er f or i r r i gat i on of l ar gepr oj ect s. As such, t he Ci t y may agr ee t o r ei mbur se t he user of r ecl ai medwast ewat er t he cost i ncur r ed of ext endi ng a recl ai med wast ewat er l i ne andconnect i ng the servi ce i n accordance wi t h a user agr eement t hat has beenr evi ewed by t he Ci t y Wat er Commi ssi on and approved by t he Ci t y Counci l . Theamount of r ecl ai med wast ewat er used shal l be a f actor i n determi ni ng whethert he Ci t y par t i ci pat es i n t he l i ne ext ensi on.

Section 13-09-007-0007 Reclaimed Wastewater Line Materials and Construction

New r ecl ai med wast ewat er l i nes may be const r uct ed usi ng t he same mat er i al s ast hose speci f i ed i n t hese const r uct i on st andar ds f or new publ i c water l i nes.

Section 13-09-007-0007.1 General Requirements

See const r uct i on of publ i c wat er l i nes.

Section 13-09-007-0008 PVC Pipe for Reclaimed Wastewater Lines

Al l PVC pi pe requi r ement s f or r ecl ai med wastewater l i nes shal l compl y wi t ht hose set f or t h i n these const r uct i on st andar ds f or wat er l i nes except f ort he di si nf ect i on requi r ement .

Page 97: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 97/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 97 Effective May 17, 2012

CHAPTER 13-10

STREETS

Sections:

13-10-001  Street Layout

13-10-002  Street Design13-10-003  Street Naming And Addressing

13-10-004  Dead End Streets13-10-005  Alleys

13-10-006  Intersection Design13-10-007  Horizontal Alignment13-10-008  Vertical Alignment

13-10-009  Structural Section

13-10-010  Driveways13-10-011  Resource And Slope Design Criteria

13-10-012  Standards For Thoroughfares Applied In Traditional NeighborhoodDistricts

13-10-013  Use Of Uncompleted Streets Within A Subdivision

Sections:

13-10-001  General

13-10-001-0001  General

Section 13-10-001 General

Section 13-10-001-0001 General

 The ar r angement , char act er , ext ent , wi dt h, grade, and l ocat i on of st r eet s

shal l conf or m t o these st andar ds and/ or t he Appr oved Pr el i mi nar y Pl at i ft her e i s one. Due consi der at i on shal l be gi ven t o t hei r r el at i on t o exi st i ngand pl anned st r eet s, t opogr aphi cal condi t i ons, excessi ve cut s and f i l l s,dr ai nage, publ i c conveni ence and saf et y, and to t he pr oposed uses of l and tobe served by t he st r eet s. Rul es as may be est abl i shed by t he Ar i zonaDepart ment of Transpor t at i on r el at i ng to ent r ance upon and depart ur e f r omSt at e Hi ghways, shal l al so appl y.

 The desi gn of al l new or r econst r uct ed st r eet s and al l eys shal l be based ont he f aci l i t y’ s f unct i onal cl assi f i cat i on and t he vol ume and char act er of t hepr oj ect ed t r af f i c, except f or t hor oughf ar es i n t r adi t i onal nei ghbor hoodsdi st r i cts as descri bed i n Sect i on 13- 10- 012. The Ci t y Engi neer shal l appr oveal l such desi gn.

Funct i onal cl assi f i cat i ons ar e def i ned i n t he Ci r cul at i on El ement of t heRegi onal Land Use and Transport at i on Pl an ( Regi onal Pl an) . . Al i gnment s f orexi st i ng and f ut ur e ar t er i al and col l ect or st r eet s ar e f ur t her desi gnat ed i nt hat document . Desi gn t r af f i c vol umes on a gi ven st r eet segment are t hosepr oj ect ed f or t he t hen- cur r ent pl anni ng hor i zon year . Addi t i onal t r af f i cf actors t o be consi der ed i n desi gn i ncl ude natur e of t he pr edomi nant vehi cl et r i ps, i . e. , mobi l i t y vs. access, t he per cent ages of l ocal del i ver y vehi cl esand thr ough heavy vehi cl es, t he number and types of pedest r i ans and cycl i st s,and t he pr esence of mul t i - use t r ai l s. Speci al desi gn condi t i ons al so appl yt o st r eet s i dent i f i ed as t r uck r out es i n t he Regi onal Pl an.

Page 98: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 98/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 98 Effective May 17, 2012

Sect i ons 13- 10- 001 t hr ough 13- 10- 011  of t hese St andards gener al l y appl y onl yt o convent i onal subur ban devel opment s. St r eet s ( i . e. , t hor oughf ar es) i nt r adi t i onal nei ghborhood devel opment s as appr oved by t he Ci t y Counci l andsubj ect t o t he pr ovi si ons of Ti t l e 10, Fl agst af f Zoni ng Code, shal l bedesi gned i n accor dance wi t h t he pr ovi si ons of Sect i on 13- 10- 012  of t hese

St andards.Sections:

13-10-002  Street Design

13-10-002-0001  Street Design

Section 13-10-002 Street Design

Section 13-10-002-0001 Street Design

St r eet desi gn shal l :

A. Pr ovi de f or appr opr i at e cont i nuat i on of exi st i ng and pr oposed ar t er i aland col l ect or st r eet s and bi keways i n accor dance wi t h the most r ecent l yadopt ed ver si on of t he Regi onal Pl an.

B. Pr ovi de suf f i ci ent r i ght s- of - way f or l ocal ser vi ce or a f r ont age st r eetal ong maj or hi ghways, or other t r eatment by separat i on t o pr otectr esi dent i al pr oper t i es al ong ar t er i al and col l ector st r eet s.

C. Cor r el at e wi t h t he dr ai nage f aci l i t i es when st r eet s ar e used f or on- si t el ocal dr ai nage.

D. Be desi gned so t hat t hr ough t r af f i c i n r esi dent i al di st r i cts i s car r i edon ar t er i al and col l ector st r eet s. Resi dent i al subdi vi si ons shal l bedesi gned so that t he l ocal st r eet s pr ovi de vehi cul ar , bi cycl e, andpedest r i an access t o t he resi dences and ser vi ces of t he homes f r ont i ng

t he st r eet s.  Tabl e 10- 10- 01  i dent i f i es t he appl i cat i on of t he di f f er entst r eet cross sect i ons, whi ch ar e based on t he t ot al t r af f i c vol umes oft he str eet .

1. I n or der t o pr ovi de nei ghbor hoods that ar e saf e, f unct i onal , andexpress an at mosphere of communi t y, subdi vi si ons shoul d be desi gnedso t hat t he l ocal st r eet s carr y vol umes no gr eater t han 500 ADT.When t he t r af f i c vol umes on a gi ven st r eet exceed 500 ADT, i t shoul donl y pr ovi de access t o a l ocal st r eet and not t o resi dent i alpr oper t i es. I n t hose i nst ances, t he t ypi cal st r eet sect i on usedshal l be a mi nor col l ect or as f ol l ows: The sect i on wi l l excl ude t hecent er l ef t t ur n l ane ( l ef t t ur n l anes wi l l be r equi r ed as neededwher e t he mi nor col l ect or i nt er sect s anot her col l ect or or ar t er i als t reet ) .

E. Requi r e t hat new desi gns i ncor por at e t r af f i c cal mi ng t echni ques i nt o al lnew r esi dent i al st r eet s. The goal i s t o r educe r esi dent i al t r af f i cspeeds t o wi t hi n t he desi gn speed l i mi t s, whi l e mai nt ai ni ng saf e andr easonabl e access f or al l i nt ended nor mal t r af f i c. I n or der t o achi evet hi s obj ect i ve, t he maxi mum l engt h of a roadway sect i on between speedcont r ol poi nt s shal l be 660 f t . A speed cont r ol poi nt i s def i ned as anyone of t he f ol l owi ng:

Page 99: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 99/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 99 Effective May 17, 2012

1. Any desi gn condi t i on t hat r equi r es a compl ete st op such as thei nt er secti on of a l ocal resi dent i al str eet wi t h a col l ector orar t er i al st r eet , or a “T” i nt er secti on bet ween l ocal st r eet s.( Not e: St op si gn cont r ol at t he i nt er sect i on bet ween l ocal st r eet sdoes not qual i f y. )

2. A hor i zont al cur ve t hat does not exceed a r adi us of 300 f t . and acor r espondi ng del t a of 30° mi ni mum.

I n t he event t hat t her e ar e ci r cumst ances wher e i t i s not pr act i cal t oachi eve t r af f i c cal mi ng measur es wi t h desi gn f eatur es as st ated above,

 Tabl e 10- 2  i s i nt ended t o pr ovi de t he desi gn engi neer wi t h a l i st ofal t er nat i ve t r af f i c cal mi ng desi gn f eat ur es ( l i st ed i n or der ofpr ef er ence) .

See Desi gn Cr i t er i a,  Tabl e 10- 10- 01, f or t he desi gn over vi ew.

F. LI D I nt egr at ed Management Pract i ces ( I MPs) as det ai l ed i n t he Ci t y’ s LI DGui dance Manual as adopt ed as par t of t he Ci t y of Fl agst af f St ormwat erManagement Desi gn Manual may be al l owed i n the r i ght - of - way on a case- by-case basi s as appr oved by t he Ci t y Engi neer and Publ i c Works sect i onhead.

Onl y st or mwater gener at ed i n the publ i c r i ght - of - way wi l l be al l owed tobe associ at ed wi t h an I MP. No st ormwater generat ed on pri vat e pr opert ywi l l be al l owed t o be associ at ed wi t h an I MP i n t he r i ght - of - way.

LI D I MPs, i f al l owed i n t he publ i c ri ght - of - way, shal l be consi der edpr i vat e dr ai nage i nf r ast r uct ur e. Ownershi p and mai nt enancer esponsi bi l i t i es f or LI D I MPs shal l be as descr i bed i n the amendment s t ot he Fl oodpl ai n Management Regul at i ons.

Sections:

13-10-003  Street Naming and Addressing13-10-003-0001  Street Naming and Addressing

13-10-003-0002  Street Name Policy

Section 13-10-003 Street Naming and Addressing

Section 13-10-003-0001 Street Naming and Addressing

A. The Ci t y of Fl agst af f Engi neer i ng Sect i on shal l be r esponsi bl e f orassi gnment of addr esses and f or changi ng any conf l i ct i n an exi st i ngaddress or s t r eet name.

B. Devel opers shoul d sel ect appr opr i ate names f or new st r eet s; however, t heEngi neeri ng Sect i on wi l l r evi ew any pr oposed st r eet name to deter mi ne i fi t dupl i cat es or conf l i ct s wi t h exi st i ng st r eet names wi t hi n t he Ci t y orCount y or i f i t woul d ot her wi se cause conf usi on.

1. Thi s revi ew t akes pl ace when t he pr el i mi nar y pl at i s f i l ed.

2. The Ci t y has a l i st of hi st ori cal names whi ch may be used f or st r eetnames.

Page 100: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 100/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 100 Effective May 17, 2012

Section 13-10-003-0002 Street Name Policy

A. The Engi neer i ng Sect i on has est abl i shed t he over archi ng st andards f orst r eet name ext ensi ons:

 Type Ext ensi on Name

Mi sc. ar t er i al / col l ector st r eet Boul evar d ( Bl vd. ) / Road ( Rd. )East / west ar t er i al / col l ect or Avenue ( Ave. )Nor t h/ sout h ar t er i al / col l ector St r eet ( St . )East / west l ocal Dr i ve ( Dr . )Nor t h/ sout h l ocal Lane ( Ln. )Mi scel l aneous l ocal Way/ Ci r cl e ( Ci r . / Loop ( Lp. )

B. I f a st r eet i s on t he same al i gnment as an exi st i ng st r eet , and i s l i kel yt o be physi cal l y connect ed t o that exi st i ng st r eet i n t he f ut ur e, t hent he new st r eet shal l assume the name of t he exi st i ng st r eet .

1. I f , because of t opogr aphy or ot her devel opment , i t wi l l not bepossi bl e t o connect t he new t o t he ol d st r eet , t hen a new nameshoul d be assi gned.

C. A st r eet name shal l not be assi gned t o a cul - de- sac servi ng as access t of ewer t han 6 dwel l i ngs i f i t s end wi l l be cl ear l y vi si bl e when vi ewed bya dr i ver f r om t he near est i nt er sect i on. Lot s on such a cul - de- sac wi l lhave addr esses on t he mai n st r eet .

Sections:

13-10-004  Dead End Streets 

13-10-004-0001 Dead End Streets13-10-004-0002 Warning Devices

Section 13-10-004-0001 Dead End Streets

A. No dead end st r eet of a permanent natur e shal l be l onger t han 1, 200 f eet . The st r eet wi l l t ermi nate wi t h a cul - de- sac, as shown i n t he St andar dDet ai l s. I f t he "dead end" i s of a t empor ar y nat ur e, t he st r eet shal lt er mi nate at a paved t emporary t ur n- around. I f t he st r eet i s paved, t hent hose st r uctur es deemed necessar y by t he Ci t y Engi neer t o pr ovi deadequat e servi ce and dr ai nage are r equi r ed. Any dead end st r eet wi t h nomor e than one l ot on each si de need not have a t urn- ar ound but must havebar r i cades at t he end of t he st r eet .

B. The t emporar y t ur n- around wi l l be 40 f eet r adi us. The t emporar y t ur n-around shal l be paved wi t h the same pavement sect i on and edge t r eatmentas t he adj acent st r eet . St r eet drai nage l eavi ng t emporar y dead- endst r eet s must be conveyed i n a cont r ol l ed manner i n publ i c dr ai nageeasement s or r i ght - of - way.

Section 13-10-004-0002 Warning Devices

Dead end st r eets, st r eet s cl osed because of const r uct i on, br i dge wash- out s,boundar y or hal f st r eet s, or other l i ke ci r cumst ances, shal l have barr i cadesand/ or hazar d si gns.

Page 101: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 101/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 101 Effective May 17, 2012

Sections:

13-10-005  Alleys13-10-005-0001  Alleys

Section 13-10-005 Alleys

Section 13-10-005-0001 Alleys

A. Al l al l eys i n new subdi vi si ons shal l be pr i vat e and shal l be owned andmai ntai ned by t he homeowner s associ at i on.

B. When i t i s desi r ed by t he Ci t y t hat a new al l ey i s publ i c, t he devel opershal l addr ess the f ol l owi ng i ssues to t he sat i sf act i on of t he Ci t y: snowr emoval , snow st or age, sweepi ng, and pr oxi mi t y of gar ages, ut i l i t i es,f ences, and ot her cul t ur e t o t he r i ght of way l i ne.

C. Al l al l eys shal l be i mpr oved i n accor dance wi t h t he appr opr i ate MAG al l eydet ai l or desi gned speci f i c f or t he devel opment as may be r equi r ed. Themi ni mum wi dt h of an al l ey shal l be si xteen (16’ ) f eet wi t h a mi ni mumpavement wi dt h of t wel ve ( 12’ ) f eet . The mi ni mum of f set f r om garages t ot he al l ey/ pr oper t y l i ne shal l be ei ght ( 8’ ) f eet .

D. When an exi st i ng al l ey i s used f or i ngr ess- egr ess to r equi r ed par ki ng,t he al l ey shal l be i mpr oved wher e i t adj oi ns t he parcel and t o one orbot h ends as necessary t o accommodate t he new t r af f i c pat t ern, i naccor dance wi t h t he appr opr i at e MAG al l ey det ai l . Exi st i ng al l eys shal lnot be used t o convey on- si t e ( pr i vat e) dr ai nage whenever possi bl e.

Sections:

13-10-006  Intersection Design

13-10-006-0001 Intersection Design13-10-006-0002 Intersection Sight Triangles, Clear View Zones

Section 13-10-006 Intersection Design

Section 13-10-006-0001 Intersection Design

A. I nt er sect i ons concer ned wi t h an ar t er i al or col l ect or shal l be j oi ned t opr ovi de a mi ni mum l engt h of t angent ( at r i ght angl es t o the adj oi ni ngst r eet and measur ed f r om t he cur b r et ur n of t he adj oi ni ng st r eet ) asf ol l ow: ar t er i al – 100 f eet , maj or col l ector – 75 f eet , mi nor col l ector– 50 f eet , and l ocal – 50 f eet . The onl y except i on t o t hi s i s when al ocal st r eet i nt er sects a mi nor col l ector.

B. I nt er secti ons not i nvol vi ng ar t er i al and maj or col l ector st r eet s shal lhave a mi ni mum i nt er sect i ng angl e of 75 degr ees. Wher e t wo r esi dent i all ocal st r eet s i nt er sect , t he mi ni mum angl e shal l be 60 degr ees.

C. Cur b r et ur n r adi i shal l be as shown i n  Tabl e 10- 10- 01.

D. Di st ances bet ween cent er l i nes of adj acent i nt er sect i ons shal l be ami ni mum of 135 f eet , r egar dl ess of t he di r ect i on of t he i nt er sect i ngstr eet s .

Page 102: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 102/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 102 Effective May 17, 2012

E. Tr af f i c cont r ol devi ce l ocat i ons shal l be shown on t he const r uct i onpl ans. Mater i al s and workmanshi p shal l be approved by t he Ci t y Engi neerand shal l be i n conf ormance wi t h t he gui del i nes of t he Federal Hi ghwayAdmi ni st r at i on and the Manual on Uni f or m Tr af f i c Cont r ol Devi ces( M. U. T. C. D. ) cur r ent edi t i on. Al l t r af f i c cont r ol s shal l be i nstal l ed by

t he devel oper pr i or t o occupancy.

F. Monument s shal l be pl aced at t he i nt er sect i on of r i ght - of - way cent er -l i nes. Consul t Sect i on 11 f or survey monument s.

G. Addi t i onal r i ght of way wi l l be r equi r ed at i nt er sect i ons wher e t ur nl anes are r equi r ed.

H. I nt er secti on gr ades shal l conf or m t o Ci t y of Fl agst af f St andar d Det ai l sexcept t he maxi mum gr ade on al l appr oaches t o a si gnal i zed i nt er sect i onor an i nt er secti on whi ch i s l i kel y t o be si gnal i zed i n t he f ut ur e, shal lbe ±2% f or a di st ance of 300 f eet f r om t he cent er of t he i nt er sect i on.

I . The mi ni mum spaci ng of dr i veways t o si gnal i zed and unsi gnal i zedi nt er sect i ons shal l be accor di ng t o  Tabl e 10- 06- 01. The mi ni mum spaci ngshal l be gr eater as needed t o avoi d t he f unct i onal area of ani nt er sect i on or t he i nf l uence area of another dr i veway.

 The f unct i onal ar ea ext ends bot h upst r eam and downst r eam f r om t hephysi cal i nt er sect i on ar ea and i ncl udes t he l ongi t udi nal l i mi t s ofauxi l i ary l anes. The i nf l uence ar ea associ at ed wi t h a dr i veway i ncl udes( 1) t he i mpact l engt h (t he di st ance back f r om a dr i veway t hat car s begi nt o be af f ect ed) , ( 2) t he per cept i on- r eact i on di st ance, and ( 3) t he carl engt h. Addi t i onal l y, t he i mpact l engt h r epr esent s t he di st ance upst r eamwhen t he br ake l i ght s of t hr ough vehi cl es are act i vat ed or t her e i s al ane change due t o a t ur ni ng vehi cl e. Li mi t ed access dr i veways ( i . e. ,r i ght - i n and r i ght - out onl y) and dr i veways wi t h r i ght t ur n decel er at i on

l anes may al l ow a shor t er mi ni mum spaci ng.

Mi ni mum spaci ng shal l be measur ed f r om cur b r et ur n of t he i nt er sect i ngst r eet t o t he pavement edge of t he dr i veway.

 TABLE 10- 06- 01

Mi ni mum Spaci ng of Dr i veways t o I nt er sect i onsSI GNALI ZED

Post ed Speed ( mph) Mi ni mum Spaci ng t oI ntersect i on ( f t )

< or =30 23035 275

40 32045 365UNSI GNALI ZED

30 11535 13540 15545 180

Section 13-10-006-0002 Intersection Sight Triangles, Clear View Zones

A. Al l i nt er secti ons of publ i c st r eet s wi t h pr i vat e st r eet s, dr i veways,

Page 103: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 103/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 103 Effective May 17, 2012

al l eys, and other publ i c st r eet s shal l be desi gned t o pr ovi deunobst r ucted vi si bi l i t y on any l eg of t he i nt er secti on; i ncl udi ngvi si bi l i t y f or pedest r i an, bi cycl e and vehi cul ar t r af f i c appr oachi ng t hei nt er sect i on. The cl ear vi ew zones shal l be det er mi ned i n accordancewi t h t he cri t er i a f or i nt er secti on s i ght t r i angl es i n t he cur r ent edi t i on

of “A Pol i cy on Geometr i c Desi gn of Hi ghways and St r eet s” publ i shed byAASHTO.

B. The cl ear vi ew zone i s t he t r i angul ar vol ume def i ned by t he i nt er sect i onsi ght t r i angl e and si ght l i nes bet ween t he dr i ver ' s eye on each l eg oft he i nt er sect i on and a vehi cl e appr oachi ng on t he ot her l eg. Dr i ver ' seye hei ght i s t he r ange of 3. 5 f t . t o 8 f t . above t he r oadway, and t heappr oachi ng vehi cl e i s a poi nt whi ch i s 3. 0 f t . above t he sur f ace of t her oadway at t he cent er l i ne of t he near est t hr ough appr oach l ane.

B. For al l i nt er secti ons, except t hose i nvol vi ng onl y r esi dent i al l ocalst r eet s, t he speed of appr oachi ng t r af f i c on t he t hr ough st r eet shal l bet he desi gn speed of t he st r eet l i st ed i n  Tabl e 10- 10- 01. The dr i ver ' sposi t i on on t he si de st r eet shal l be 15 f t . back f r om t he back of t het hr ough st r eet cur b when t he si de st r eet i s a publ i c st r eet or a M. A. G.Det ai l No. 251 dr i veway, and 10 f t . back f r om t he back of t he t hr oughst r eet cur b when t he si de st r eet i s a pr i vat e st r eet or dr i veway.

D. For i nt er sect i ons i nvol vi ng onl y l ocal st r eet s, t he mi ni mum cl ear vi ewzone f or each cor ner of t he i nt er secti on shal l be suf f i ci ent f or dr i ver sof conf l i ct i ng vehi cl es t o see each ot her and adj ust t hei r speeds t oavoi d a col l i si on. Thi s assumes no t r af f i c cont r ol on ei t her appr oachand i ni t i al appr oach speeds are the desi gn speed f r om Tabl e 10- 10- 01.

E. The ver t i cal and hor i zont al geomet r y of st r eet s, dr i veways, and al l eysi nt er sect i ng at or near t he crest s of hi l l s must al so pr ovi de cl ear vi ewzones f or al l appr oaches.

F. Cl ear vi ew zones ar e not r equi r ed f or:

1. Dr i veways f r om one- and t wo- f ami l y r esi dences ont o mi nor col l ect or sor res i dent i al l ocal s tr eet s .

2. Emergency access l anes such as f i r e l anes when t hey are speci f i cal l ydesi gned onl y f or emergency access, and cannot r easonabl y be usedf or other pur poses such as gener al access, del i ver i es or ot herser vi ces t o a pr oper t y.

3. One- way dr i veways or st r eet s wher e t he di r ect i on of t r avel i s awayf r om t he i nt er secti on.

G. Cal cul at i on f or di mensi ons of cl ear vi ew zones at each i nt er sect i on shal lbe i ncl uded i n the Tr af f i c I mpact Anal ysi s por t i on of t he Engi neer ' sdesi gn r eport f or any pr oj ect ; and t he cl ear vi ew zone shal l be shown onpr el i mi nar y pl at , f i nal pl at , si t e pl an, l andscapi ng pl an, gr adi ng pl anand pavi ng pl ans, f or al l pr oj ects.

Page 104: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 104/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 104 Effective May 17, 2012

Sections:

13-10-007  Horizontal Alignment13-10-007-0001 Horizontal Alignment13-10-007-0002 Other Design Considerations

Section 13-10-007 Horizontal Alignment

Section 13-10-007-0001 Horizontal Alignment

Al i gnment shal l be so ar r anged as t o di scour age through t r af f i c on l ocalstr eet s. I t shal l al so pr ovi de f or t hr ough t r af f i c ar ound r esi dent i aldi st r i ct s. St r eet al i gnment shal l pr ovi de adequat e access f or pol i ce andf i r e pr otect i on, snow pl ows, and f or other r oad mai nt enance equi pment onl ocal st r eet s and good access on art er i al and col l ect or st r eet s. Theal i gnment shal l pr ovi de f or t he cont i nuat i on of ar t er i al and col l ect orst r eet s to adj oi ni ng pr oper t i es not yet devel oped. When t opogr aphi c or otherconsi derat i ons make such cont i nuance undesi r abl e or i mpr act i cal , t hesecondi t i ons may be modi f i ed. I n ei t her case, t he access needs of t he adj acentdevel oped and undevel oped l and must be addressed i n t he engi neer ' s desi gnr epor t .

Section 13-10-007-0002 Other Design Considerations

A. Tangent s f r om cent er l i ne def l ect i on shal l be connect ed by a cur ve per Tabl e 10- 10- 01.

B. Reverse cur ves shal l be separated by a mi ni mum t angent l ength equal t ot he gr eat er of 100 f eet or a l engt h suf f i ci ent t o accommodate super -el evat i on and crown r un- out , r esi dent i al st r eet s except ed.

C. The maxi mum t angent l engt h of r esi dent i al l ocal st r eet s shoul d be 500f eet t o di scour age hi gh speeds.

Sections:

13-10-008  Vertical Alignment

13-10-008-0001 Vertical Alignment

13-10-008-0002 Other Design Considerations Shall Be Based On the Following

13-10-008 Vertical Alignment

Section 13-10-008-0001 Vertical Alignment

 The st r eet pl an of a proposed subdi vi si on shal l bear a l ogi cal r el at i onshi pt o t he t opogr aphy of t he pr oper t y. Al l st r eet s shal l be ar r anged t o al l owmost of t he bui l di ng si t es t o be at or above t he gr ade of t he str eet s.Ver t i cal al i gnment s are cont r ol l ed t o assur e t hat t he str eet gr ades can benegot i ated i n adver se weather condi t i ons and t hat si ght di st ances areadequat e f or saf et y. Suf f i ci ent dat a shal l be gi ven on each cur b l i ne oredge of pavi ng and on t he crown of pavi ng so t hat t he el evat i on of any poi ntmay be mathemat i cal l y cal cul ated. Gr ade or sl opes on cur ved st r eet s shal l becomput ed and r ecorded f or t he t r ue l ength of curbi ng as measur ed at t he back

Page 105: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 105/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 105 Effective May 17, 2012

of cur b.Section 13-10-008-0002 Other Design Considerations Shall Be Based As Follows:

A. Gr ades. Maxi mum gr ade f or any st r eet var i es f r om 6- 10% dependi ng onstr eet c l assi f i cat i on ( Tabl e 10- 1) . Mi ni mum f l ow l i ne t angent gr ades

shal l be 0. 4% ( t he pr ef er r ed mi ni mum i s 0. 5%)

B. Maxi mum gr ades ar ound cur b r et ur ns at i nt er sect i ons or on t he i nsi de cur bon hori zont al cur ves shal l not exceed t he maxi mum al l owed cent er l i negr ade f or t hat f unct i onal cl assi f i cat i on of st r eet by mor e t han 2%.

C. Ver t i cal Cur ves. Al l st r ai ght grades whi ch def l ect by mor e t han 1% mustbe j oi ned by a par abol i c ver t i cal cur ve. The l engt h shal l be det er mi nedusi ng t he curr ent AASHTO “Pol i cy on Geomet r i c Desi gn of Hi ghways andSt r eet s. ” The mi ni mum ver t i cal cur ve l engt h f or a gi ven desi gn speed i sdet ermi ned  Tabl e 10- 08- 01  as t he gr eater of t he val ue i n t he ‘ Mi ni mumLengt h’ col umn or t he l engt h cal cul at ed f r om t he ‘ Rat e of Ver t i calCur vat ure’ col umn by t he f ormul a:

L = K x A ( where: L = mi ni mum curve l engt h ( f t . )K = r at e of ver t i cal cur vat ur e ( f t . / %)A = al gebr ai c di f f erence i n gr ades (%)

 TABLE 10- 08- 01MI NI MUM VERTI CAL CURVE LENGTH

DESI GNSPEED

MI NI MUMLENGTH

RATE OF VERTI CAL CURVATUREK ( f t . per % gr ade change)

mph f t . CREST SAG20 60 7 1725 75 12 2630 90 19 37

35 105 29 4940 120 44 6445 135 61 7950 150 84 96

Ver t i cal cur ve dat a r ecor ded shal l i ncl ude t he l engt h, P. I . el evat i on,cor r ect i on f act or or f i ni shed gr ade at t he mi d- poi nt of t he cur ve, andel evat i ons at 25 f oot st at i ons.

B. Cur b Ret ur ns. Dat a shal l be gi ven whi ch wi l l i ncl ude cur b el evat i ons at1/ 2 del t a, ( 1/ 4 del t a pr ef er r ed) ar ound t he r et ur n, t angent sl opes, P. I .el evat i ons, and ot her r el at ed f eat ur es

D. Bench Mark. Per manent bench marks shal l be est abl i shed i n pr oj ectshavi ng no bench mark i n t he i mmedi at e area. The Ci t y of Fl agst af f dat umshal l be t he one used. Consul t Sect i on K f or t he t ype of monument t o be used.

 The Ci t y sour ce dat um shal l be noted on t he pl ans.

Page 106: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 106/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 106 Effective May 17, 2012

Sections:

13-10-009  Structural Section13-10-009-0001  Structural Section

Section 13-10-009-0001 Structural Section

A. For al l new publ i c and pr i vat e st r eet s, a st r uct ur al sect i on shal l bedesi gned by a regi st er ed pr of essi onal engi neer l i censed i n Ar i zonaspeci al i zi ng i n geot echni cal engi neer i ng. A st r uct ur al sect i on desi gnshal l be per f ormed based upon an adequat e number of soi l sampl es. Themi ni mum number of sampl es shal l be one every 500 f t . , or as det ermi ned byt he engi neer . The pavement shal l be desi gned f or a 27 year l i f e and meett he requi r ement s of t he West ern Technol ogi es, I nc. , 1983 r eport ( or mostcur r ent r evi si on) : “Asphal t Concr et e Pavement Desi gn f or t he Ci t y ofFl agst af f ”. The f i nal st r eet const r uct i on shown on t he const r uct i onpl ans shal l meet t he r ecommendat i ons of t he desi gn or t he mi ni malst r uct ur al sect i on requi r ement s of Det ai l 10- 9- 010, whi chever i sgr eat er . B. Over al l st r eet sect i ons ar e shown i n t he St andard Dr awi ngs.Ot her desi gn consi der at i ons shal l be based on t he f ol l owi ng st andards:

1. On proj ect s wher e t he cont r act or causes excessi ve damage t o anexi st i ng paved st r eet or t her e are mul t i pl e st r eet cut s ( maxi mum off our i n 500 f t . ) , an asphal t over l ay shal l be r equi r ed.

2. Except on super - el evat ed cur ves and at i nt er sect i ons, al l new st r eetsect i ons wi l l have a crown t o pr ovi de dr ai nage f r om t he cent er l i ne t oeach gut t er . The sl ope provi ded by t he cr own shal l not be more t han2% or l ess t han 1% as measur ed f r omcent er l i ne t o edge of pavement .

3. Fi ni sh sl ope r esul t i ng f r om excavat i on or embankment shal l not exceed

2: 1 unl ess appr oved by the Ci t y Engi neer upon r ecei pt of a seal edcer t i f i cat e i n wr i t i ng by the engi neer vi a a soi l s r epor t t hat t hest eeper sl ope, as const r uct ed, wi l l be st abl e.

4. Al l publ i cl y and pr i vat el y const r ucted cut and f i l l sl opes shal l beadequat el y pr ot ect ed t o pr event erosi on. Cut and f i l l sl opes gr eat ert han 2- hor i zont al t o 1- ver t i cal shal l not be per mi t t ed unl ess t hesl ope i s det er mi ned to be st abl e as demonst r ated by a quant i t at i vegeot echni cal anal ysi s pr epared by a r egi st er ed geol ogi st or ot herqual i f i ed r egi st r ant . Sl opes of 2- hor i zont al t o 1- ver t i cal exceedi ng6 f eet i n hei ght shal l use r i gi d or semi - r i gi d er osi on pr ot ecti onpr oduct s i ncl udi ng, when appr opr i ate, r eseedi ng pur suant t o Fl agst af fCi t y Code, Ti t l e 13, Chapt er 17, Er osi on Cont r ol / Seedi ng. Al l sl opesof 3- hor i zont al t o 1- ver t i cal sl opes or gr eat er , i ncl udi ng 2-hor i zont al t o 1- ver t i cal sl opes of l ess than 6’ i n hei ght , shal l ber eseeded pur suant t o Fl agst af f Ci t y Code, Ti t l e 13, Chapt er 17,Er osi on Cont r ol / Seedi ng. To pr ovi de r et ent i on of t he r equi r edseedi ng, t he Ci t y Engi neer may requi r e the use of f i l t er f abr i cs t opr event er osi on of t he seedi ng and/ or mul ch pr i or t o theest abl i shment of veget at i on gr owt h.

Page 107: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 107/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 107 Effective May 17, 2012

Sections:

13-01-010  Driveways13-10-010-0001  Driveways13-10-010-0002  Right Turn Deceleration Lane Warrants

Section 13-10-010 Driveways

Section 13-10-010-0001 Driveways

A. Dr i veways shal l be desi gned and const r ucted i n accor dance wi t h t hecur r ent M. A. G. St andar ds and Det ai l s.

B. The Ci t y Engi neer shal l r evi ew and per mi t al l new dr i veways ont o thepubl i c str eet syst em. Whi l e t he pr i mar y pur pose of l ocal st r eet s i s f oraccess t o adj acent pr oper t i es, t he pr i mary pur pose of t he col l ect or andar t er i al st r eet s i s t he saf e and ef f i ci ent movement of t he t r af f i ct her eon.

1. Access dr i ves ont o l ocal st r eet s wi l l be r evi ewed and per mi t t ed asnecessar y t o f aci l i t at e conveni ent and saf e access t o on- si t eci rcul at i on.

a. The Ci t y Engi neer shal l l i mi t t he number , l ocat i on, and desi gnof access poi nt s f r om adj acent devel opment s t o ar t er i al s andcol l ect ors based on oper at i on and saf et y consi der at i ons. Accesst o maj or ar t er i al s shoul d be l i mi t ed t o maj or dr i veways onl y,whi l e access t o mi nor ar t er i al s and maj or col l ect or s shoul d bemaj or or combi ned dr i veways, and access t o mi nor col l ect ors maybe i ndi vi dual but head- out onl y. The mi ni mum spaci ng ofdr i veways wher e pr act i cabl e shal l be i n accor dance wi t h Tabl e

13- 10- 010- 0001.

 Tabl e 13- 10- 010- 0001Mi ni mumDr i ve Spaci ng ( Measur ed Edge t o Edge)

on Ar t er i al s and Col l ect or St r eet s

St r eet Type Mi ni mum Spaci ng ( f t . )

Maj or Ar t er i al 230

Mi nor Ar t er i al and Maj or Col l ect or 150

Mi nor Col l ect or 125

b. Mi t i gat i on of pr obl ems creat ed by such access poi nt s may al so ber equi r ed such as r ai sed medi ans, t ur n r est r i ct i ons, or r i ghtt ur n l anes.

c. When a pr oper t y f r ont s on more t han one st r eet , i t s accessdr i ves may be r est r i cted t o the l ower cl assi f i cat i on st r eet ( s) .

C. Resi dent i al dr i veways ar e def i ned as t hose ser vi ng si ngl e f ami l y ordupl ex housi ng. Those servi ng more t han t wo dwel l i ng uni t s ar e cl assedas commer ci al dr i veways. Resi dent i al dr i veways shal l be l ocat ed ami ni mum of 10 f eet f r om t he cur b r et ur n of an i nt er sect i on.

Page 108: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 108/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 108 Effective May 17, 2012

1. Resi dent i al dr i veway access t o ar t er i al and maj or col l ect or st r eet si s pr ohi bi t ed.

D. Unl ess t he Ci t y Engi neer det er mi nes t hat i t i s not f easi bl e, commer ci aldr i veways on opposi t e si des of ar t er i al or maj or col l ect or st r eet s wi t h

t wo thr ough l anes shal l be ei t her l i ned up di r ect l y opposi t e each ot heror separat ed, cent er t o cent er by 120 f t . al ong t he st r eet .

E. Par ki ng areas shal l not be desi gned t o r equi r e backi ng maneuver s out ofdr i veways ont o art er i al or maj or col l ect or st r eet s, or any commer ci aldr i veway on any st r eet .

F. Docki ng, l oadi ng, and parki ng areas shal l be desi gned so t hat no port i onof a ci r cul at i on or appr oach maneuver i s accompl i shed by usi ng a publ i cs t reet .

G. Maxi mum commerci al dr i veway sl ope shal l be 10%, wi t h a mi ni mum of 20 f eetof t angent at a maxi mum gr ade of 2% behi nd t he si dewal k, or curb i f nosi dewal k exi st s.

H. When a bui l di ng permi t i s requi r ed f or a commer ci al use, or t her e i s achange i n use, exi st i ng dr i veways shal l be r econst r uct ed t o conf or m t ot hese st andar ds. I f an exi st i ng dr i veway i s not pr oposed t o be used, i tshal l be r emoved and r epl aced wi t h cur b, gut t er and si dewal k ( i f si dewal kexi st s or i s pr oposed) .

I . Hor i zont al saw cut t i ng of cur b f ace f or dr i veway openi ngs or handi capaccess r amps i s al l owed subj ect t o the f ol l owi ng gener al condi t i ons:

1. The cut edge al ong t he curb i s t o be ground smoot h and r ounded t oappr oxi mat el y the r adi us at t he t op of t he exi st i ng cur b f ace.

2. The i nt er sect i on poi nt bet ween t he wi ng cut and t he bot t om cut i s t obe ground smoot h and r epai r ed as necessar y t o el i mi nat e anydepr essi ons.

3. The f i ni shed cut shal l conf or m t o t he sl opes and di mensi ons i naccordance wi t h t he cur r ent M. A. G. st andards and detai l s.

 J . When t he desi gn of a dr i veway i ncl udes a di ver t er i sl and t o di r ectt r af f i c, t he cur b shal l be MAG 220 Type D.

Section 13-10-010-0002 Right Turn Deceleration Lane Warrants

Ri ght t ur n decel er at i on l anes shal l be r equi r ed at dr i veways based on t hef ol l owi ng set of cur ves. The cur ves ar e based upon desi gn peak hour ( DPH)vol ume of t he cur b l ane ( cur r ent pl anni ng hor i zon year vol ume) , DPH r i ghtt urni ng vol ume and post ed speed l i mi t s. Data poi nt s t hat l and above t hegi ven cur ve warr ant a r i ght t ur n l ane and poi nt s bel ow t he cur ve do notaut omat i cal l y war r ant a ri ght t ur n decel er at i on l ane.

Page 109: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 109/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 109 Effective May 17, 2012

Fi gur e 10- 10- 01

Page 110: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 110/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 110 Effective May 17, 2012

13-10-011-0001  Resource and Slope Design Criteria

Section 13-10-011. Resource and Slope Design Criteria

Section 13-10-011-0001 Resource and Slope Design Criteria

A. Tr ee and shr ub r esour ces l ocat ed i n exi st i ng or pr oposed r i ght - of - way oreasement s gr ant ed or t o be gr ant ed t o t he Ci t y of Fl agst af f shal l beconsi der ed i n t he ci vi l desi gn. The r esour ces shal l be saved andi nt egr at ed i nt o t he desi gn. Pr i or t o t he st ar t of const r ucti on,r esour ces shal l be f enced, as r equi r ed, so as t o pr ot ect t hem dur i ng t heconst r uct i on pr ocess.

B. Roadway desi gn cr i t er i a shal l consi der exi st i ng t opogr aphy so as t omi ni mi ze cut s and f i l l s. Except as pr ovi ded herei n r espect i ng maxi mumsl ope cr i t er i a, r oadways shal l f ol l ow exi st i ng topogr aphy as best aspossi bl e. Sl ope pr otect i on shal l be pr ovi ded pur suant t o t he Ci t y ofFl agst af f St or mwat er Desi gn Manual ( Chapt er 10) . I f r et ai ni ng wal l s ar ewar r ant ed, t he desi gn shal l meet t he f ol l owi ng cri t er i a:

1. Wal l s shal l bl end wi t h t he nat ur al f eat ur es of t he set t i ng by t heuse of nat i ve r ock or ot her mater i al s t hat convey a scal e, col or ,and t ext ur e si mi l ar t o t hat of t r adi t i onal r ock ( spl i t f ace bl ockand scored and text ur ed concr ete ar e exampl es) .

2. Li mi t t he hei ght of a r et ai ni ng wal l t o 5- f eet or l ess whenf eas i bl e.

3. Where gr eater hei ght s ar e necessary, use a seri es of t er r aced orst epped wal l s wi t h the wi dt h of t he ter r ace no l ess t han 3- f eet .

Page 111: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 111/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 111 Effective May 17, 2012

Table 10-1

Functional Classification/Design Criteria

URBANFunctional

Classification

(*)

Major

Arterial

Minor

Arterial

Major

Collector

Minor

Collector

Commercial

Local

Residential

Local

“Wide”

Residential

Local

Residential

Local

“Narrow”

Max.

Through

Lanes

4 4 4 2 2 2 2 2

Maximum

A.D.T.

500 250

On Street

Parking

Not

allowed

Not

allowed

Not

allowed

Not

allowed

Not allowed Not

striped

Not

striped

Not

striped

Bicycle

Provision

4.5’ 4.5’ 4.5’ 4.5’ In travel

lane

In travel

lane

In travel

lane

In travel

lane

Total A.C.Width 68’ 68’ **68’/64’ 42’ 24’ 33’ 27 23

Width (B.C.

to B.C.)

72’ 72’ **72’/68’ 46’ 28’ 37’ 31 27

Minimum

R.O.W.

(See Note #2)

98’ 98’ **96’/92’ 70’ 52’ 61’ 55 51

Through

Lane Width

12’ 12’ 12’>/=40

mph

11’<40

mph

11’ 12’ 10.5’ Total A.C.

= 27’

Total A.C.

= 23’

Auxiliary

Lane Widths

11’ 11’ 11’ 11’ NA NA NA NA

Edge

Treatments

Vertical

C/G

Vert.

C/G

Vert.

C/G

Vert.

C/G

Vert. C/G Vert. C/G Vert. C/G

***

Vert. C/G

***Min.

Sidewalks

(See Note #3)

6’ 6’ 5’ 5’ 5’ 5’ 5’ 5’

Min.

Parkway

(See Note #8)

5’ 5’ 5’ 5’ 5’ 5’ 5’ 5’

Offset 2’ 2’ 2’ 2’ 2’ 2’ 2’ 2’

Parking

Lane

Not

allowed

Not

allowed

Not

allowed

Not

allowed

Not allowed Not

striped

Not

striped

Not

striped

Minimum

median

width (See

Note #7)

15’ 15’ 15’ NA NA NA NA NA

Max. A.C.Width @

Signal w/o

Median

68’ 68’ 68’ 68’ NA NA NA NA

Max. A.C.

Width @

Non-

signalized

Inter. w/o

Median

48’ 48’ 48’ 48’ NA NA NA NA

Page 112: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 112/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 112 Effective May 17, 2012

* Functional classifications are further defined in the Regional Land Use and Transportation Plan

** All truck routes – min. through lane width of 12’ and a 30’ curb return radius at Intersections

*** Rolled curb is permitted on streets in townhome and planned options where lot widths are less than or

equal to 40’. This is limited to those streets

within the development that front the houses. 

Page 113: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 113/382

Page 114: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 114/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 114 Effective May 17, 2012

Table 10-1 (Continued)

Functional Classification/Design Criteria

URBANCOMMERCIAL CENTER STREETS

Functional

Classification (*)

Major

Arterial

Minor

Arterial

Major

Collector

Minor

Collector

Local

Max. Through

Lanes

4 4 4 2 2

On Street

Parking

6’ 6’ 6’ 6’ 6’

Bicycle Provision 5’ 5’ 5’ 5’ In travel

lane

Total A.C. Width 81’ 81’ 81’/77’ 55’ 36’

Width (B.C. to

B.C.)

85’ 85’ 85’/81’ 59’ 40’

Minimum

R.O.W.

(See Note #2)

117’ 113’ 113’/109’ 87’ 68’

Through Lane

Width

(**)

12’ 12’ 12’>/=40mph

11’<40mph

11’ 12’

Auxiliary Lane

Widths

11’ 11’ 11’ 11’ 11’

Edge Treatment Vert. C/G Vert. C/G Vert. C/G Vert. C/G Vert. C/G

Min. Sidewalks 10’ 10’ 10’ 10’ 10’

Furnishing Strip 5’ 3’ 3’ 3’ 3’

Offset 1’ 1’ 1’ 1’ 1’

Parking Lane 6’ 6’ 6’ 6’ 6’

Minimum

Median Width

(See Note #7)

15’=11’

lane + 4’

median

15’ 15’ NA NA

Max. number of

lanes at a signal

w/o Median

6 6 6 6 NA

Max. number of

lanes at a non-

signalized

intersection w/o

Median

4 4 4 4 NA

* Functional classifications are further defined in the Regional Land Use and Transportation Plan

** All truck routes (as defined in the Regional Land Use and Transportation Plan) – min. through

lane width of 12’ and a 30’ curb return radius at intersections

Page 115: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 115/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 115 Effective May 17, 2012

Table 10-1 (Continued)

Functional Classification/Design Criteria

URBANCOMMERCIAL CENTER STREETS

Functional

Classification (*)

Major

Arterial

Minor

Arterial

Major

Collector

Minor

Collector

Local

Corner Cut-Off

(see Note #4)

25’ 25’ 25’ 15’ 15’

Curb Ret. Radius  30’ 30’ 20’ ** 20’ ** 25’

Design Speed 45 MPH 40 MPH 40-35 MPH 30 MPH 25 MPH

Superelevation

(See Note #5)

4% Max. 4% Max. 4% Max. None None

Min. Curve

Radius

(See Note #5)

1,000’ 600’ 600’ 300’ 150’

Maximum Grade 6% 6% 6%/7% 8% 10%

Property Access Major

D/W

Only

Major

D/W

Only

Major or

Combined

D/W Only

Individual

D/W

Head Out

Individual

D/W

Back Out

* Functional classifications are further defined in the Regional Land Use and Transportation Plan

** All truck routes – min. through lane width of 12’ and a 30’ curb return radius at intersections

Page 116: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 116/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 116 Effective May 17, 2012

Table 10-1 (Continued)

Functional Classification/Design Criteria

RURALFunctional

Classification (*)

Major

Arterial

(See Note

#3)

Minor

Arterial

(See Note #3)

Major

Collector

(See Note #1)

Minor

Collector

(See Note #1)

Local Local

Narrow

Max. Through

Lanes

2 2 2 2 2 2

On Street

Parking

Not

allowed

Not

allowed

Not

allowed

Not

allowed

Not

striped

Not

striped

Bicycle

Provision

4’ 4’ 4’ 4’ In travel

lane

In travel

lane

Total A.C.

Width

32’ 32’ 32’ 30’ 26’ 20’

Minimum

R.O.W.

(See Note #2)

60’ 60’ 60’ 60’ 60’ 60’

Through Lane

Width

(**)

12’ 12’ 12’ 12’ 13’ 10’

Edge Treatment ←6 foot Compacted Shoulders and Drainage Swales/Curb and Gutter is Optional 

Sidewalks ←No Sidewalks or Parkway Section→ 

Parking Lane Not

allowed

Not

allowed

Not

allowed

Not

allowed

N/A N/A

Corner Cut-Off   30’ 30’ 20’ 20’ 20’ 20’

Fillet Radius  30’ 30’ 20’ ** 20’ ** 20’ 20’

Design Speed 45 MPH 40 MPH 35-40MPH

30 MPH 20 MPH 20 MPH

Superelevation

(See Note #5)

4% Max. 4% Max. 4% Max. None None None

Min. Curve

Radius

(See Note #5)

1,000’ 600’ 600’ 300’ 100’ 100’

Maximum

Grade

6% 6% 7% 8% 10% 10%

Property Access Major

D/W

Only

Major or

Combined

D/W Only

Major or

Combined

D/W

Individual

D/W

Head Out

Individual

Back Out

Individual

Back Out

Min. D/W to

Intersection

(See Note

#10)

(See Note

#10) 

(See Note

#10)

(See Note

#10) 

10’ 10’

  Functional classifications are further defined in the Regional Land Use and Transportation Plan

** All truck routes – min. through lane width of 12’ and a 30’ curb return radius at intersections NOTES:

1. Rur al r esi dent i al l ocal st r eet s ar e f or l ocal access i n l ower densi t yr esi dent i al ar eas onl y. They pr ovi de a l ess i nt r usi ve desi gn opt i onf or st r eet s whi ch wi l l exper i ence l ow t r af f i c vol umes and no on-str eet par ki ng. Cr i t i cal t o t hei r successf ul oper at i on i s a s i t e

Page 117: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 117/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 117 Effective May 17, 2012

desi gn whi ch el i mi nat es vi r t ual l y al l demand f or on- st r eet par ki ng bypr ovi di ng l arge set backs, l ong dr i veways, and many conveni ent on- si t eparki ng spaces f or each dwel l i ng.

 The f ol l owi ng mi ni mum devel opment cr i t er i a must be met f or t he r ural

res i dent i al l ocal s tr eet s :

Cl ust er and Si ngl e Fami l y Detached Devel opment – The r ur alr esi dent i al l ocal st r eet shal l be used wher e the mi ni mum l ot si zei s 25, 000 sq. f t . The r ur al r esi dent i al l ocal “nar r ow” st r eetshal l be used wher e t he mi ni mum l ot s i ze i s 1 acre.

2. Addi t i onal r i ght - of - way and/ or easement s may be r equi r ed t oaccommodat e t ur n l anes, t r af f i c si gnal s at i nt er sect i ons, dr ai nagef eat ur es, et cet er a.

3. Si dewal ks wi der t han 5 f t . may be requi r ed i f hi gh vol umes ofpedest r i an t r af f i c ar e expect ed, or i n or der t o mat ch exi st i ngadj acent si dewal ks and mast er devel opment pl ans.

4. The cor ner cut - of f i s nor mal l y a st r ai ght di agonal r i ght - of - way l i ne.A ci r cul ar ar c of t hi s r adi us may be used i f appr oved by t he Ci t yEngi neer .

At t he i nt er secti on of t wo st r eet s of di f f er ent cl assi f i cat i ons, t hecor ner cut - of f di mensi on and t he cur b r et ur n or f i l l et r adi us of t hehi gher cl assi f i cat i on st r eet shal l be used.

5. For ar t er i al and maj or col l ect or st r eet s, t he r el at i onshi p bet weensuper - el evat i on r at e, r unof f , and cur ve r adi us shal l be det er mi nedf r om AASHTO t abl es f or e- max = 4. 0%. For l ocal st r eet s, t he mi ni mumdel t a angl e ( D) must be gr eat er t han 30°.

6. Pavement edge t apers shal l be desi gned per C. O. F. Detai l No. 10- 10-031.

7. Medi ans shal l be requi r ed as out l i ned i n  Tabl e 13- 10- 01  or asr equi r ed on al l ar t er i al s and maj or col l ect or s and as out l i ned i n

 Tabl e 13- 10- 01  or as r equi r ed by t he Ci t y Engi neer . Medi ans shal l bedesi gned per St andard Det ai l No. 10- 06- 014.

8. Wher e new si dewal k i s r equi r ed i n an exi st i ng devel opment , t he Ci t yEngi neer may wai ve t he r equi r ement of a parkway i f i t i s notpr acti cal t o constr uct.

9. Wher e t wo l ocal r esi dent i al “narr ow” st r eet s do not i nt er sect at ar i ght angl e, t he r adi us of cur b r et ur ns on t he acut e angl es shal l be20 f t .

10. See Sect i on 10- 06- 010  f or l ocat i on of dr i veways adj acent t oi nt er secti ons. Table 12-10-02– New Design and Retrofit of Existing

Streets

Page 118: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 118/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 118

Traffic Calming Design Features For Local Residential Streets

Design Option Description Diagram Advantages

 NeighborhoodTraffic Circle

Rai sed ci r cul ari sl ands pl aced i ni nt er secti ons,

ar ound whi cht r af f i c ci r cul ates.

 Typi cal l y, mi n. 14’di ameter & i ncl udes2- f oot wi demountabl e t r uckapron andl andscapi ng

a. Ef f ect i ve moder at i ngspeedb. I mpr oves saf et y

c. Locat ed ati nt er secti ons, t heabi l i t y to cal m t wostreetsd. Fi xes gr i d t hat i sadj acente. Aest het i c l andscapeoppor t uni t y

Roundabout

a. Local tocol l ect orb. Local toar t er i al

c. Per mi t t edunder speci alci r cumst ances

Lar ger t han t r af f i cci r cl es andt ypi cal l y ext ends ami ni mum of 28’ f r omcent er wi t h 2’

t r uck apr on. Thei nscr i bed di ametershoul d be 88’ and200’ . Ci r cul at i ngr oadway has a wi dthof 14’ t o 19’

a. Moder at es t r af f i cspeeds on ar t er i al sb. Enhanced saf ety ascompared t osi gnal i zat i on

c. Less oper at i ngexpenses as compared tosi gnal i zat i on

Curb Extension

a. Swel l sb. El ephant ear sc. Locat ed ati nt er secti onsonl y

Compr i ses an angl ednarr owi ng of t her oadway andwi deni ng of t hesi dewal k

a. I mpr oves pedest r i anci r cul ati on and spaceb. Thr ough and l ef t -t urn movements ar eeasi l y negot i abl e byl ar ge vehi cl esc. Cr eat es pr ot ect edon- st r eet parki ng bays

d. Reduces speeds,especi al l y f or r i ght -t ur ni ng vehi cl es

Page 119: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 119/382

Page 120: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 120/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 120

Table 10-2 (Continued)

Design Option Description Diagram Advantages

Chicane Li teral shi f ts t hatal t er nate on bothsi des of t he st r eet

cr eat i ng a S- shapedpat h of t r avel

a. Reduces speedt hr ough hor i zont aldef l ecti on

b. Lar ger vehi cl escan easi l y negot i at

Textured Pavement A sur f ace mat er i alon t he roadway( such as st ampedasphal t or

concr et e) whi ch i si nstal l ed t opr oduce smal l ,const ant changes i nver t i cal al i gnment .

a. Reduces speedover an ext endedl engt hb. Located at

i nt er secti on, canr educe speeds on t wstreets

TruncatedDiagonal Diverter

A di agonal di ver t erwi t h one end opent o al l ow f oraddi t i onal t ur ni ngmovement s

a. Di scour agescommut er t r af f i c byf or ci ng t ur ns

Page 121: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 121/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 121

Table 10-2 (Continued)

Design Option Description Diagram Advantages

One-Way, Two-Way Curb bul ge orcent er i sl andnarr ows 2- l ane,

f orc i ng t r af f i c f oreach di r ect i on t ot ake turns

a. Li mi t ed, r ar el yused

 Median Barriers

( Appl i ed ati nt er secti ons i nspeci alci r cumst ances)

I nt er secti on i sl andbl ocki ng movementof a t hr ough st r eet

a. I mpr oves saf et yat an i nt er sect i onof a l ocal str eetand a maj or st r eetby pr ohi bi t i ngdangerous t ur ni ngmovement sb. Reduce t r af f i cvol umes on a cut -t hr ough r out e t hat

i nt er sect s a maj orstreetPavement Markings

Not e: Appl i esonl y t o retr of i tof exi st i ngstr eet s .

Pai nt ed st r i pi ng orchannel i zat i on t ogui de t raf f i c

a. Modest l y ef f ect sspeed

Page 122: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 122/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 122

Table 10-2 (Continued)

Design Option Description Diagram Advantages

Full Closures

Not e: Appl i es

onl y t o r et rof i tof exi st i ngstreets.  

Ful l c l osur esdi ver t t r af f i c of ft he str eet ,

cr eat i ng pedest r i anand bi cycl ef r i endl y ar eas

a. Mai nt ai nspedest r i an andbi cycl e access

b. Ef f ecti ve i nr educi ng t r af f i cvol ume

Half Closures

Not e: Appl i esonl y t o r et rof i tof exi st i ngstreets.  

Si mi l ar t o f ul lcl osur es, ar ebar r i cades l ocat edi n t he st r eet andconst r uct ed ofl andscaped wal l s,

gat es, si de-bol l ar ds, or ot herobst r uct i ons

a. Mai nt ai nspedest r i an andbi cycl e accessb. Ef f ecti ve i nr educi ng t r af f i cvol ume

DiagonalDiverters 

Not e: Appl i esonl y t o r et rof i tof exi st i ngstr eet s .

A bar r i er pl aceddi agonal l y acrossan i nt er sect i onsdi sconnect i ng t hel egs of t hei nt er secti on

a. Does not r equi r ea cl osur e per se,onl y a r edi r ect i onof exi st i ng str eet sb. Abl e t o mai nt ai nf ul l pedest r i an andbi cycl e accessc. Reduce t r af f i cvol umes

Page 123: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 123/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 123 Effective May 17, 2012

Sections:

13-10-012  Standards for Thoroughfares Applied in Traditional Neighborhood

Districts13-10-012-0001. Applying a Thoroughfare Type in a Traditional Neighborhood

13-10-012-0001.1  Transect Zone13-10-012-0001.2  Speed/Movement Types

12-10-012-0001.3  Functions of Thoroughfares13-10-012-0001.4  Other Considerations

13-10-012-0001.5  Arterials and Major Collectors as described in the RegionalPlan 

13-10-012-0002 Bicycle Facilities in a Traditional Neighborhood

13-10-012-0003  Special Districts

13-10-012-0004  Tables—Thoroughfare Standards in Traditional Neighborhoods13-10-012-0005  Utility Placement in Thoroughfares

13-10-012-0005.1  Utility Placement in Thoroughfares in Traditional Neighborhood Developments

13-10-012-0005.2  Planning of Utilities in Traditional Neighborhood

Developments

13-10-012-0006  Vehicular Parking/Right-of-Way Assemblies

Section 13-10-012 Standards for Thoroughfares Applied in Traditional

 Neighborhood Districts

 Thi s chapt er provi des t he st andar ds f or Thoroughf ar es t o be appl i ed i nt r adi t i onal nei ghbor hood di st r i ct s as appr oved by t he Ci t y Counci l based ont he pr ovi si ons of t he Ci t y of Fl agst af f Zoni ng Code.

New t er ms and concept s t ypi cal l y associ ated wi t h t r adi t i onal nei ghborhoodsare i nt r oduced i n t hi s chapt er and t he Zoni ng Code. A gener al expl anat i on of

t he concept s behi nd t r adi t i onal nei ghborhood devel opment i s provi ded i nAppendi x C of t he Zoni ng Code. Speci f i c t erms used t hr oughout t hi s chapt ert hat ar e capi t al i zed may ref er t o Sect i on 10- 14- 005- 0001, Def i ni t i ons, oft er ms f or t r adi t i onal nei ghbor hood di st r i ct s i n t he Zoni ng Code.

Section 13-10-012-0001 Applying a Thoroughfare Type in a Traditional Neighborhood

 Tr ansect zones, speed/ movement t ype, f unct i ons of t horoughf ar es, ar t er i al s asdescri bed i n t he Regi onal Pl an, and other consi der at i ons shoul d be t aken i nt oaccount i n det er mi ni ng the cor r ect appl i cat i on of a t horoughf ar e type i n a

 Tr adi t i onal Nei ghbor hood

Section 13-10-001-0001.1 Transect Zone

A. A t r adi t i onal nei ghbor hood di st r i ct i s based on t he del i neat i on oft r ansect zones. Transect zones are order ed f r om t he most natur al t o t hemost ur ban and they descr i be the physi cal charact er of pl ace at any scal eaccordi ng t o t he densi t y and i nt ensi t y of urbani sm. The ur ban f orm andcharact er of a t r ansect zone wi l l di ct at e t he t ype of t hor oughf ar e t hatshoul d be pl aced wi t hi n or adj acent t o i t . Det er mi ni ng t he ur ban f or mand character and i t s associ at ed l and uses f i r st , and thor oughf ar e typesecondar i l y, i s cr i t i cal t o ensur i ng a t hor oughf ar e system t hataccommodat es al l user s ( pedest r i ans, cycl i st s, publ i c t r ansi t andaut omobi l es) wi t h an emphasi s on wal kabi l i t y and pedest r i an saf ety. The

Page 124: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 124/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 124 Effective May 17, 2012

f ol l owi ng t ypes of Tr ansect s may be appl i ed i n a t r adi t i onalnei ghborhood.

1. T1 Natural Zone  consi st s of l ands appr oxi mat i ng or r ever t i ng t o awi l der ness condi t i on, i ncl udi ng l ands unsui t abl e f or set t l ement due

t o t opogr aphy, hydr ol ogy or vegetat i on.

2. T2 Rural Zone  consi st s of spar sel y set t l ed l ands i n open orcul t i vat ed st at e. These i ncl ude woodl and, gr assl ands, parks andopen space ar eas. Typi cal bui l di ngs are f ar mhouses, agr i cul t ur albui l di ngs or cabi ns.

3. T3 Sub-Urban Zone  consi st s of l ow- densi t y r esi dent i al ar eas,adj acent t o hi gher densi t y zones t hat i ncl ude some mi xed use. Homeoccupat i ons and out bui l di ngs ar e al l owed. Pl ant i ng i s nat ur al i st i cand set backs are r el at i vel y deep. Bl ocks may be l arge and t he r oadsi r r egul ar t o accommodate nat ur al condi t i ons.

4. T4 General Urban Zone  consi st s of mi xed- use but pr i mar i l yr esi dent i al ur ban f abr i c. I t may have a wi de r ange of bui l di ngt ypes, such as si ngl e- f ami l y, si deyar d bui l di ngs, and r owhouses.Set backs and l andscapi ng are var i abl e. St r eet s wi t h cur bs andsi dewal ks def i ne medi um- si zed bl ocks.

5. T5 Urban Center Zone  consi st s of hi gher densi t y mi xed- use bui l di ngst hat accommodate r et ai l , of f i ces, r owhouses and apart ment s. I t hasa ti ght net wor k of st r eet s and smal l bl ocks, wi t h wi de si dewal ks,r egul ar l y spaced st r eet pl ant i ng, and bui l di ngs set cl ose t o thesi dewal ks.

6. T6 Urban Core Zone  consi st s of t he hi ghest densi t y and hei ght , wi t ht he gr eat est var i et y of uses, and ci vi c bui l di ngs of r egi onal

i mport ance. I t may have l arger bl ocks, and st r eet s have r egul arl yspaced t r ee pl ant i ng wi t h bui l di ngs set cl ose t o the wi de si dewal ks.

 The T6 urban cor e i s t ypi cal l y associ at ed wi t h downt own Fl agst af f ,t hus t hi s t r ansect woul d not be appl i ed i n other l ocat i ons wi t hi nt he Ci t y.

B. Speci al di st r i ct s such as an i ndust r i al ar ea or busi ness par k consi st ofar eas wi t h bui l di ngs t hat by thei r use, pl acement or conf i gur at i oncannot , or shoul d not , conf or m t o one or more of t he si x nor mat i ve

 Tr ansect Zones.

Section 13-10-012-0001.2 Speed/Movement Types

A. The desi gn speed f or pedest r i an saf et y and mobi l i t y i s t he pr i marydet ermi nant of movement t ypes. Movement t ypes associ at ed wi t h assi gnedl ane wi dt hs and cur b r adi i ar e appl i ed i n each t r ansect zone.

1. YI ELD: Dr i ver s must proceed sl owl y, wi t h ext r eme care and mustyi el d t o appr oachi ng t r af f i c when vehi cl es ar e parked on both si desof t he t hor oughf ar e. A yi el d st r eet i s t he f unct i onal equi val ent oft r af f i c cal mi ng. Desi gn speed of 20 mph or l ess.

2. SLOW: Dr i ver s can pr oceed caref ul l y wi t h an occasi onal st op t oal l ow a pedest r i an t o cross or anot her car t o park. The char act erof t he st r eet shoul d make dr i ver s uncomf ort abl e exceedi ng t he desi gn

Page 125: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 125/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 125 Effective May 17, 2012

speed due t o t he presence of parked cars, sense of encl osur e f r ombui l di ngs and st r eet t r ees, t i ght t ur ni ng r adi i , and ot her desi gnel ement s. Desi gn speed of 20 mph.

3. FREE: Dr i ver s can gener al l y expect t o t r avel wi t hout del ay at the

appr opr i ate desi gn speed. St r eet desi gn support s saf e pedest r i anmovement at t he hi gher desi gn speed. Thi s movement t ype i sappr opr i at e f or t hor oughf ares desi gned to t r aver se l onger di st ancesor connect t o hi gher i nt ensi t y l ocat i ons. Desi gn speed of 25 mph.

4. SPEED: Dr i ver s can expect t r avel si mi l ar t o convent i onal subur banst r eet desi gn, but wi t h cont i nued emphasi s on pedest r i an saf ety andcomf or t . Desi gn speed of 30 mph.

5. RURAL: Thi s i s a convent i onal st r eet desi gn i n whi ch dr i ver s canexpect a separat i on of modes ( i . e. bi ke l anes, wal ki ng paths andr oads) al l owi ng aut omobi l e t r avel t o be uni mpeded by pedest r i ans orwal kabi l i t y concer ns. Thi s movement t ype i s r arel y used i nt r adi t i onal t own pl anni ng, but may be needed when a t horoughf arecr osses t hrough T1 or T2 t r ansect zones. Desi gn speed may be above35 mph.

NOTE: The desi gn cr i t er i a f or Yi el d, Sl ow, and Free St r eet s shal l becommensur at e wi t h l ocal st r eet s and t he Speed and Rural wi t h Mi norCol l ector St r eet s.

Section 13-10-012-0001.3 Functions of Thoroughfares

 The desi gn of t horoughf ar es si gni f i cant l y shapes t he f or m and char act er ofci t i es, t owns and nei ghborhoods. An under st andi ng of a t horoughf are’ sf unct i on hel ps t o det er mi ne t he cor r ect appl i cat i on of a thor oughf ar e t ype i na t r adi t i onal nei ghborhood. The f i ve basi c f unct i ons of movement ar e:

A. The St r eet as a CARRI ER - The t horoughf are serves as a car r i er orconveyor of pedest r i ans, vehi cl es, bi cycl es, t r ucks, or ot her t r avel er .

B. The St r eet as a CONNECTOR - The thor oughf are serves t o connect one ormor e act i vi t i es or uses t hat ar e separ at ed f r omeach ot her .

C. The st r eet as “SPACE/ SHELTER” - The t horoughf are or t he publ i c r eal mser ves an i mpor t ant r ol e as a l ocat i on f or publ i c act i vi t y, such ascaf es, r est aur ant s, out door shoppi ng, t o ment i on a f ew. Cr eat i ng a saf ewal kabl e st r eet scape i s i mpor t ant f or t he successf ul achi evement of t hi sf uncti on.

D. The st r eet as a “SYMBOL” - As a “symbol ”, t he desi gn of a t horoughf arecan provi de messages and i nf ormat i on about a pl ace, enabl e dr i ver s andpedest r i ans t o f i nd speci f i c l ocat i ons or acti vi t i es, and t o use t he r eetas a means of or i ent at i on and pl ace- f i ndi ng. I t can al so have amonument al or symbol i c f unct i on. Rout e 66 i s a good exampl e of at horoughf are wi t h symbol i c meani ng.

E. The St r eet as “CI TY BUI LDER OR DESTROYER” - The t horoughf are as descr i bedher e may enhance l and val ues, l and uses and ar chi t ect ur al scal e, ordest r oy t hese i f i mpr oper l y r egarded. I n other words, t horoughf ares cancr eat e a st r ong sense of communi t y, or i f not car ef ul l y desi gned, br eakdown and even di vi de t hat communi t y.

Page 126: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 126/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 126 Effective May 17, 2012

Section 13-10-012-0001.4 Other Considerations

A. Ot her f act or s t o be consi der ed i n t he sel ect i on of an appr opr i at et horoughf ar e t ype i n a t r adi t i onal nei ghbor hood i ncl ude:

1. Topogr aphy: Thoroughf ares that t r averse st eep sl opes may need t oi ncor por at e addi t i onal desi gn consi der at i on f or such el ement s asdr ai nage f aci l i t i es, bi cycl e l anes on t he uphi l l s i de of t he str eet ,and others

2. Par ki ng: Par ki ng avai l abi l i t y on si t e or on t he t hor oughf ar e wi l ldet er mi ne t he appr opr i at e t hor oughf ar e t ype. Par ki ng wi l l al so bedet er mi ned by l ot si ze and use.

3. Truck access: Thoroughf ares t hat pr ovi de access t o hi gh vol umes ofl ar ge t r ucks.

4. Bus ser vi ce: Thor oughf ar es t hat wi l l ser ve as a publ i c t r ansi t orschool bus r out e.

Section 13-10-012-0001.5. Arterials and Major Collectors as described in the

Regional Plan 

A. Maj or and mi nor ar t er i al r oads and maj or col l ect or r oads as descr i bed andmapped i n t he Regi onal Pl an shoul d i deal l y be pl aced on t he per i phery ofpr oposed t r adi t i onal nei ghbor hood di st r i ct s. Thi s ensur es t hat t hear t er i al and maj or col l ect or r oads mai nt ai n t hei r i nt egr i t y to conveyvehi cl es ef f ect i vel y, and t hat t he t r adi t i onal nei ghbor hood mai nt ai ns i t si nt egr i t y as a wal kabl e nei ghborhood.

1. Where t hese art eri al and maj or col l ect or r oads ar e l ocat ed on t heedge of a pr oposed t r adi t i onal nei ghborhood or cr oss t hr ough i t when

no ot her al t er nat i ve l ocat i on i s pr acti cal or f easi bl e, t hen t heart er i al and maj or col l ect or r oad shoul d be desi gned as a boul evard( See I l l ust r at i on 13- 10- 012- 0001. 5  bel ow) .

B. A boul evar d i s a t horoughf are desi gned f or hi gh vehi cul ar capaci t y andmoder ate t o hi gh speeds. A bi ke l ane wi l l t ypi cal l y be pr ovi ded adj acentt o t hese vehi cl e t r avel l anes. A boul evar d i s al so desi gned t oaccommodat e an access r oad ( synonymous wi t h f r ont age road) t hat i sdesi gned f or sl ow speeds and where bi cycl es can al so be saf el yaccommodated on t he out er edge of t he r i ght - of - way and separat ed f r om t hef ast er vehi cl e l anes by a medi an as i l l ust r at ed bel ow. I n or der t oensure t he saf et y of pedest r i ans crossi ng t he boul evar d, al l medi ansshal l be a mi ni mum of 8 f eet i n wi dt h t o pr ovi de a pedest r i an r ef uge.Wi t h t hi s desi gn, a boul evar d sat i sf i es t he car r i er and connect orf unct i ons r equi r ed of a r egi onal ar t er i al net wor k, whi l e al soaccommodat i ng t he space/ shel t er f unct i ons of a t horoughf are i n at r adi t i onal nei ghbor hood

Page 127: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 127/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 127 Effective May 17, 2012

Illustration 13-10-012-0001.5: A Typical Boulevard  

Illustration 10-12-

Section 13-10-012-0002 Bicycle Facilities in Traditional Neighborhoods

 Thoroughf ar es i n t r adi t i onal nei ghborhoods ar e desi gned as “compl et est r eet s”, i . e. based on t he sur r oundi ng l and use or t r ansect zone f i r st , andt hen on t he speed of vehi cl es and t he char act er of t he t hor oughf are second.

As a r esul t , accommodat i ons f or sur r oundi ng l and uses, pedest r i ans, bi cycl esand vehi cl es can be pr ovi ded t o ensur e maxi mum f unct i onal i t y of t het hor oughf ar e and saf et y f or al l user s.

A. St r eet desi gn pr act i ces f or convent i onal subur ban devel opment s may not bei nt egr ated wi t h t hor oughf ar e desi gn concept s i n t r adi t i onal nei ghbor hoods. .

B. I n t r ansect zones T4 and T5 t r ansect zones, desi gn f eatur es such asnar r ower t r avel l anes, st r eet t r ees, wi de si dewal ks t o accommodat e mi xedl and uses such as r est aur ant s, r et ai l st or es, of f i ces, and r esi dences onhi gher f l oors, car ef ul bui l di ng pl acement ar e necessar y t o creat e a wel l -def i ned out door r oom, and on- st r eet parki ng.

C. For bi ke l anes i n t r ansect zones T4 and T5 ( excl usi ve of mul t i - modalcor r i dors and bi keway cor r i dor s) , see  Tabl e 13- 10- 01.

D. I n t r ansect zones T1, T2, and T3 ( as shown i n  Tabl e 13- 10- 01) , bi ke l anesmay be provi ded based on vehi cul ar speed i n t he t hor oughf are, and on t heuphi l l si de of t hor oughf ares wher e grades exceed 7%.

E. When a f r ee or speed t horoughf are i s pr oposed i n a t r adi t i onalnei ghborhood di st r i ct and the Regi onal Pl an i ndi cat es t hat a mul t i - modal

 Access AccessLanes for Through

Optional BikeBike

Medians must be wideenough to ensurepedestrian safety

Page 128: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 128/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 128 Effective May 17, 2012

cor r i dor or bi keway cor r i dor i s r equi r ed wi t hi n or adj acent t o thet r adi t i onal nei ghbor hood di st r i ct, accommodat i ons f or bi cycl e f aci l i t i esmust be pr ovi ded i n t he t horoughf are desi gn. determi nes what bi cycl ef aci l i t i es are r equi r ed t o ensur e t he connect i vi t y of t he mul t i - modal andbi keway cor r i dor s wi t hi n t he Ci t y. The Ci t y Engi neer , or desi gnee, shal l

have appr oval aut hor i t y over appr opr i at eness and f i t of desi gn sel ect i on.When a boul evard i s proposed as descr i bed i n Sect i on 13- 10- 012- 0001. 5, abi ke l ane i s t o be i ncorpor ated i nt o t he t horoughf are sect i on as shown i nI l l ust r at i on 13- 10- 012- 0001. 5. The f ol l owi ng f actors wi l l be t aken i nt oconsi derat i on when deci di ng the most appr opr i ate t ype of bi cycl ef aci l i t y:

1. I nt ensi t y of act i vi t y and use ant i ci pat ed wi t hi n t he t r ansect zoneand i t s associ ated l and uses. For exampl e, when t here i s a hi ghi nt ensi t y of pedest r i an act i vi t y as a r esul t of t he mi x of l and usesadj acent t o the Thoroughf are, t he Thoroughf are shoul d be desi gnedand appr opr i ate si gnage post ed to pr ovi de f or t he shared use of t hevehi cl e l ane by cycl i st s, and bi ke l anes shoul d not be pr ovi ded.

2. Vol ume of t hr ough t r af f i c pr oj ect ed f or t he mul t i - modal cor r i dor .

When t he vol ume of t r af f i c on a t horoughf are i ncreases, t here may bea gr eat er need f or bi cycl e f aci l i t i es t o ensur e t he saf et y ofcycl i st s .

3. As speed i ncreases i n a mul t i - modal cor r i dor, t he need f or bi cycl ef ac i l i t i es al so i ncr eases. Thi s rel at i onshi p i s r ef l ected i n  Tabl e13- 10- 01.

4. The l ayout of exi st i ng and pr oposed t horoughf ares i s used t odet er mi ne i f al t er nat e r out es f or bi cycl es can be est abl i shed t hatpr ovi de an equi val ent l evel of connect i vi t y and di r ect ness.

5. The devel opment r evi ew process may resul t i n ot her measur esnecessar y to ensure t hat t he t hor oughf are desi gn conf orms t ogui del i nes pr ovi ded i n t he Regi onal Pl an, t hat i t mai nt ai ns i t si nt egr i t y as a wal kabl e envi r onment based on t he t r ansect zonewi t hi n whi ch i t i s l ocat ed, and t hat i t pr ovi des a saf e andconveni ent envi r onment f or al l modes of t r avel .

Section 13-10-012-0003 Special Districts

 The st andar ds and r egul at i ons f or t he desi gn of t horoughf ar es i n speci aldi st r i ct s as def i ned i n Ti t l e 10, Fl agst af f Zoni ng Code, shal l be est abl i shedby the Ci t y st af f i n consul t at i on wi t h t he devel oper f or f i nal appr oval byt he Ci t y Counci l . Ci t y st af f shal l base t hei r deci si on on t he pr oposeduse( s) i n t he speci al di st r i ct as wel l as t he ant i ci pat ed char acter ofvehi cl e and pedest r i an t r af f i c. These st andar ds and r egul at i ons shal l bei ncl uded i n the f orm- based code and regul at i ng pl an associ ated wi t h thepr oposed t r adi t i onal nei ghbor hood di st r i ct .

Section 13-10-012-0004 Tables: Thoroughfare Standards in Traditional Neighborhood Districts

 The f ol l owi ng t abl es provi de st andar ds and r egul at i ons f or t he appl i cat i onand desi gn of t hor oughf ar es i n t r adi t i onal nei ghbor hood di st r i ct s.

Page 129: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 129/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 129 Effective May 17, 2012

 Tabl e 13- 10- 01 – Vehi cul ar / Par ki ng/ Ri ght - of - Way Assembl i es 

Vehi cul ar Lane Assembl i es ( l ocat ed i n Ti t l e 10, Fl agst af f Zoni ng Code)

 Thoroughf ar e Assembl i es ( l ocat ed i n Ti t l e 10, Fl agst af f Zoni ng Code)

Publ i c Fr ont ages – Gener al ( l ocat ed i n Ti t l e 10, Fl agst af f Zoni ng Code)

Publ i c Fr ont ages – Speci f i c (l ocat ed i n Ti t l e 10, Fl agst af f Zoni ngCode)

Publ i c Li ght i ng ( l ocat ed i n Ti t l e 10, Fl agst af f Zoni ng Code)

Publ i c Pl ant i ng ( l ocat ed i n Ti t l e 10, Fl agst af f Zoni ng Code)

Section 13-10-012-0005 Utilities in Traditional Neighborhood Districts

Section 13-10-012-0005.1 Utility Placement in Thoroughfares in Traditional Neighborhood Developments

A. Gener al l y wat er , sewer and st or mwat er f aci l i t i es shal l be pl aced undert he st r eet pavement . Where possi bl e, water shal l be 10 f eet nor t h oreast of cent er l i ne and sewer on t he cent er l i ne.

B. El ectr i c, t el ephone, cabl e and gas ut i l i t i es ( “dr y” ut i l i t i es) shal l bel ocat ed i n al l eys or l anes wher e t hese ar e pr ovi ded to mi ni mi ze abovegr ound ut i l i t y met er s and boxes i n t he f r ont of t he pr oper t y.

1. Desi gn of t he ut i l i t i es must be compl et ed pr i or t o t he appr oval oft he publ i c i mpr ovement pl ans and t he f i nal pl at . Thi s i s necessaryso t hat publ i c ut i l i t y easement s ( PUEs) t hat accommodate phone andcabl e pedest al s, t r ansf ormer s, swi t chi ng cabi net s, and other

el ement s ar e shown i n bot h document s.

C. The t ypi cal l ocat i on of ut i l i t i es i s i l l ustr at ed i n Engi neer i ng Det ai l s9- 01- 010  and 9- 01- 011.

D. Regar dl ess of whet her ut i l i t i es ar e l ocat ed i n t he t hor oughf ar e, t her i ght - of - way adj acent t o t he Thor oughf are, a ut i l i t y easement , or acombi nat i on of t hese, ut i l i t y access l ocat i ons shal l be pr ovi ded.I deal l y ut i l i t i es shal l be pl aced under t he st r eet ( vehi cl e l anes) wi t hi nt he t hor oughf are. Wher e t hi s i s not pr act i cal , ut i l i t y access easement sshal l be requi r ed.

Section 13-10-012-0005.2 Planning of Utilities in Traditional Neighborhood

Developments

Franchi se ut i l i t y pl ans are t o be devel oped t o a l evel t hat t akes i nt oconsi der at i on t he l ocat i on of publ i c ut i l i t y easement s i n al l eys, l anes, andother t horoughf ares so t hat r equi r ed equi pment such as t r ansf ormer s,swi t chi ng cabi nets, among ot hers, are accommodat ed on t he const r uct i on pl ansand f i nal pl at .

Page 130: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 130/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 130 Effective May 17, 2012

Section 13-10-012-0006 Vehicular Parking/Right-of-Way Assemblies

A “Thoroughf are Sel ect i on Report ” shal l be pr epared f or al l new devel opment ssubj ect t o the pr ovi si ons of Sect i on 10- 60. 10. 080 of t he Zoni ng Code, andsubmi t t ed t o t he Ci t y Tr af f i c Engi neer f or r evi ew and appr oval . The

 Thoroughf ar e Sel ect i on Report may be i ncl uded i n a r equi r ed Tr af f i c I mpactAnal ysi s or Traf f i c I mpact Study. The Thoroughf ar e Sel ect i on Repor t shal ldemonst r at e what cr i t er i a or r at i onal e wer e used f or sel ect i ng thor oughf ar et ypes. See Tabl e 13- 10- 01 bel ow.

Page 131: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 131/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 131 Effective May 17, 2012

TABLE 13-10-01: VEHICULAR/PARKING/RIGHT-OF-WAY ASSEMBLIES

 Thi s t abl e i s provi ded t o ass i st desi gner s and r evi ewers i nsel ect i ng appr opr i at e desi gn speci f i cat i ons f or Thor oughf ar es i n

 Tr adi t i onal Nei ghbor hood Di st r i ct s.

T1 & T2 MovementType

SPEED TRAVELLane

BIKELane

PARKI NG

EDGE PARKWAY PATH

SLOW 20 mph 8’ R 5’ - 10’ 8- 10’FREE 25 mph 9’ R or

C5’ - 10’ 8- 10’

SPEED 30 mph 10’ P R orC

5’ - 10’ 8- 10’

RURAL 35 mph 11’ P R orC

5’ - 10’ 8- 10’

T3 Movement Type SPEED TRAVEL

Lane

BIKE

Lane

PARKI

 NG

EDGE PARKWAY PATH

 YI ELD 20 mph 12’ * * C 5’ - 10’ 5’ mi n.( Lot s > 1 acr e) 20 mph 9’ R or

C

5’ - 10’ 5’ mi n.

SLOW 20 mph 9’ 7’ C 5’ - 10’ 5’ mi n.FREE 25 mph 10’ 8’ C 5’ - 10’ 5’ mi n.SPEED 30 mph 10’ P 8’ C 5’ - 10’ 5’ mi n.REAR LANE n/ a 12’ 4’ 5’ mi n.T4 Movement Type SPEED TRAVEL

Lane

BIKE

Lane

PARKI

 NG

EDGE PARKWAY PATH

 YI ELD 20 mph 12’ * * C 5’ mi n. 6’ mi n.SLOW 20 mph 9’ 7’ C 5’ mi n. 6’ mi n.SLOW( w/ 45ºpar ki ng)

20 mph 12’ 18’ C 7’ mi n. 6’ mi n.

FREE 25 mph 10’ S 8’ C 5’ mi n. 6’ mi n.FREE

( w/ 45ºpar ki ng)

25 mph 12’ 18’ C 7’ mi n. 6’ mi n.

SPEED 30 mph 10’ S 8’ C 5’ mi n. 6’ mi n.ALLEY n/ a 21’ Ri bb

onT5 & T6 Movement

TypeSPEED TRAVEL

LaneBIKELane

PARKI NG

EDGE PARKWAY PATH

SLOW 20 mph 9’ 7’ C 5’ mi n. 8’ mi n.SLOW( w/ 45ºpar ki ng)

20 mph 12’ 18’ C 5’ - 7’ 8’ mi n.

FREE 25 mph 10’ S 8’ C 5’ mi n. 8’ mi n.FREE( w/ 45ºpar ki ng)

25 mph 12’ 18’ C 5’ - 7’ 8’ mi n.

SPEED 30 mph 11’ S 8’ C 5’ mi n. 8’ mi n.

ALLEY n/ a 21’ Ri bbonCurb Radius (assumes 90 degree intersections)

 MOVEMENT TYPE SPEED Curb Radiusw/Parking

R   = Rural edge t r eatmentC  = Curb edge t r eat mentRi bbon = Ri bbon Curb (18i nches)P = Permi t t edS = When author i zed by st af f

 YI ELD 20 mph 10’SLOW 20 mph 5- 10’FREE 25 mph 10- 15’SPEED 30 mph 15- 20’RURAL 35 mph 25’See Table Notes on next page

Page 132: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 132/382

  CHAPTER 13-10

STREETS

Engineering Design Standards 132 Effective May 17, 2012

TABLE 13-10-01 NOTES:

1. *A Yi el d St r eet i s 23’ i n wi dt h measur ed f r om t he l i p of gut t er s.Par ki ng i s al l owed on both si des and the r emai ni ng t r avel l ane i sappr oxi matel y 12’ when vehi cl es ar e parked on bot h si des.

2. Bi ke Lanes shal l be 4’ f or r ur al edge st r eet s, 4 ½’ f or cur bed st r eet s,

and 5’ when adj acent t o a st r i ped parki ng l ane. Wher e cycl i st s share at r avel l ane wi t h a car, shared l ane mar ki ng f or bi cycl es and vehi cl esmay be pr ovi ded. Al so, r ef er t o Sect i on 10- 12- 012 i n t hese St andards.Bi ke l anes may al so be r equi r ed where uphi l l gr ades exceed 7% or t oprovi de cont i nui t y between nei ghborhoods. Where a bi ke l ane i sprovi ded adj acent t o a Pat h, t he Pat h wi dt h may be r educed t o 5’ .

3. Ri ght - of way shal l be l ocat ed 2’ f r om back of si dewal k or at t he backof si dewal k when adj acent t o bui l di ngs.

4. Ar t er i al and Maj or Col l ect or Roads, as i ndent i f i ed i n t he Regi onal Pl anshal l be desi gned a Boul evar ds ( see sect i on 10- 12- 011. 5) of t heseSt andards.

5. Thoroughf ares shal l be desi gned accordi ng t o t he t ype of vehi cl eexpect ed t o use each t horoughf ares on a dai l y basi s r ecogni zi ng thatoccasi onal l y, l arge vehi cl es may cr oss t he cent er l i ne when maki ngt urni ng movement s.

Sections:

13- 10- 013  Use of Uncompl et ed St r eet s wi t hi n a Subdi vi si on13- 10- 013- 0001  Use of Uncompl et ed St r eet s wi t hi n a Subdi vi si on

13- 10- 013 Use of Uncompl eted St r eet s wi t hi n a Subdi vi si on

Sect i on 13- 10- 013- 0001 Use of Uncompl eted St r eet s wi t hi n a Subdi vi si on

Use of uncompl et ed st r eet s wi t hi n a subdi vi si on by const r uct i on orr esi dent i al t r af f i c wi l l be al l owed pr ovi ded t hat :

A. Al l on- si t e and of f si t e col l ector and ar t er i al st r eet s associ at ed wi t ht he devel opment are compl et e and accept ed by t he Ci t y Engi neer .

B. Al l l ocal st r eet s have at a mi ni mum a 2- i nch l i f t of asphal t pavement i npl ace.

C. The devel oper has post ed an assurance wi t h t he Ci t y t hat cover s t her emai ni ng str eet s const r uct i on.

D. Al l ot her pr i vat e and publ i c i nf r astr uctur e, i ncl udi ng dr y ut i l i t i es,associ at ed wi t h t he devel opment must be compl ete and accepted by the Ci t yEngi neer .

E. Al l wat er val ve boxes wi t hi n t he devel opment t hat ar e wi t hi n t he f i r stl i f t of asphal t shal l be paved up to t he box and cover ( excl udi ng theconcret e col l ar ) .

F. Al l sewer manhol es wi t hi n t he devel opment t hat are wi t hi n t he f i r st l i f tof asphal t shal l be paved up t o the ri ng and cover ( excl udi ng t heconcret e col l ar ) .

G. An agr eement has been execut ed by t he subdi vi si on devel oper t hatobl i gat es t he devel oper t o ensure t he cont i nued r epai r and mai nt enance ofst r eet i mpr ovement s unt i l accept ance by t he Ci t y.

Page 133: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 133/382

  CHAPTER 13-11

SURVEY

Engineering Design Standards 133 Effective May 17, 2012

CHAPTER 13-11

SURVEY

Sections:

13-11-001  Surveys

13-11-001-0001  Monuments 13-11-001-0002  Monument Location

Section 13-11-001 Surveys

Section 13-11-001-0001 Monuments

A. The subdi vi der shal l engage a r egi st er ed l and sur veyor t o pl ace al lsur vey monument s. A copy of al l f i el d notes shal l be suppl i ed t o t heCi t y i f r equest ed.

1. Sur vey monument s shal l conf orm t o Ci t y Engi neer i ng Det ai l No. 11- 01-010.

a. An i dent i f yi ng marker , conf ormi ng t o St ate Boar d of Techni calRegi st r at i on r equi r ement s, shal l be pl aced at al l or i gi nal t r actcor ner s, subdi vi si on boundar y cont r ol poi nt s, bench mar ks, l otcor ner s, cent er l i ne cont r ol poi nt s ( i nt er secti ons, P. C. ' s ,P. T. ' s, cul de sacs, angl e poi nt s) and any ot her poi nt r equi r edby t he Ci t y Engi neer .

b. Al l sur vey monument s shal l be descri bed on t he f i nal pl at .

c. Al l l ot cor ner s shal l be per manent l y l ocat ed; 1/ 2 i nch mi ni mum

di amet er st eel pi ns, and 18 i nch mi ni mum l engt h. They shal l bepl aced i n a manner sat i sf act or y t o the Ci t y Engi neer .

2. Boundary monument s shal l be i nst al l ed bef ore recor di ng t he f i nalpl at. Lot cor ner s shal l be set upon compl et i on of si t e gr adi ng andbef or e i ssuance of any bui l di ng per mi t .

3. St r eet cent er l i ne monument s shal l be set and ver t i cal cont r olest abl i shed upon compl et i on of st r eet i mpr ovement s and pr i or t oaccept ance of t he of f si t e i mpr ovement s.

Ci t y of Fl agstaf f vert i cal dat um shal l be ut i l i zed.

B. Exi st i ng monument s t hat def i ne t he cont r ol / monument l i ne shal l bepr eser ved and cont i nue t o be used as t he r i ght - of - way cont r ol l i ne. Newmonument s shal l be est abl i shed by ut i l i zi ng r ecor d data wher e exi st i ngcont r ol cannot be f ound.

C. When est abl i shi ng r i ght - of - way i n new areas, t he cont r ol l i ne shal l beconcent r i c wi t h t he r i ght - of - way whenever possi bl e. Whenever a port i onof any par cel i s acqui r ed f or r i ght - of - way pur poses, pr oper t y cor ner sadj oi ni ng t he new r i ght - of - way f or t hat par cel shal l be est abl i shed.

Page 134: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 134/382

  CHAPTER 13-11

SURVEY

Engineering Design Standards 134 Effective May 17, 2012

Section 13-11-001-0002 Monument Location

A. Frame and cover monument s shal l be used at sect i on corners, 1/ 4 corners,cent er of sect i ons, and at t he monument l i ne of r i ght - of - wayi nt er secti ons of al l ar t er i al and col l ector st r eet s wi t h any ot her

st r eet . Al so, each subdi vi si on shal l have a mi ni mum of t wo successi vest r eet monument s of suf f i ci ent di st ance on a common t angent t o est abl i sha base l i ne under a f r ame and cover . Fut ur e sur veys i n t he area wi l l beabl e t o use t hi s est abl i shed l i ne f or a basi s of bear i ng.

B. Sur vey monument s shal l be pl aced on t he r i ght - of - way sur vey l i ne ( usual l ycent er l i ne) . Some si t uat i ons coul d warr ant pl acement of monument at i on att he r i ght - of - way l i mi t s. Monument s shal l not be pl aced t o r epr esentt empor ary l ocat i on l i nes, such as const r uct i on cent er l i ne. Pl acement ofsurvey monument s shal l be subj ect t o f i nal r evi ew and accept ance by t heCi t y Engi neer .

Page 135: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 135/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 135 Effective May 17, 2012

CHAPTER 13-12

STREET LIGHTING

Sections:

13-12-001  General13-12-002  Lighting Required

13-12-003  Lighting Layout13-12-004  Pedestrian Lighting

13-12-005  Street Light Equipment13-12-006  Plan Submittals 13-12-007  Modifications to the Existing System

13-12-008  Repair and Replacement

13-12-001  General

13-12-001-0001  General

13-12-002  Lighting Required

13-12-002-0001  Lighting Required

13-12-003  Lighting Layout13-12-003-0001  Lighting Layout

13-12-003-0002  Streetlights at Intersections13-12-003-0002.1  General

13-12-003-0002.2  Streetlights at Non-Signalized Intersections

13-12-003-0002.3  Streetlights at Signalized Intersections13-12-003-0003  Spacing of Street Lights13-12-003-0004  Location and Placement of Equipment

13-12-004  Pedestrian Lighting

13-12-004-0001  Pedestrian Lighting.

13-12-005  Street Light Equipment13-12-005-0001  Luminaire

13-12-005-0002  Streetlight Support Structures13-12-005-0003  Structure Colors and Paint Specifications13-12-005-0004  Streetlight Equipment and Service Line Ownership

13-12-006  Plan Submittals13-12-006-0001  Plan Submittals

13-12-007  Modifications to the Existing System13-12-007-0001  Modifications to the Existing System

13-12-008  Repair and Replacement13-12-008-0001  Repair and Replacement

Page 136: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 136/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 136 Effective May 17, 2012

Sections:

13-12-001  General

13-12-001-0001  General

Section 13-12-001 General

Section 13-12-001-0001 General

Publ i c t hor oughf ar es are i l l umi nated t o achi eve a number of di f f er entobj ecti ves t hat i ncl ude: pr ovi di ng f or cl ear and comf or t abl e vi si bi l i t y atni ght , maki ng st r eets and si dewal ks more i nvi t i ng dur i ng hour s of darkness,r educi ng ni ght t i me acci dent s, f aci l i t at i ng vehi cul ar and pedest r i anci r cul at i on, and pr omot i ng busi ness and use of publ i c f aci l i t i es dur i ng t heni ght hour s.

 The r egul at i ons i n t hi s chapt er ar e f or f i xed l i ght i ng of t he di f f erentf uncti onal cl assi f i cat i ons of publ i c st r eet s, i ncl udi ng t he adj acentpedest r i an wal kways and associ at ed bi keways. They are appropr i ate t o meett he r ange of t he communi t y’ s goal s, whi ch compete si mul t aneousl y f or bothmor e and l ess ar t i f i ci al ni ght t i me i l l umi nat i on. They pr ovi de f or t r avel ersaf et y and comf ort as wel l as enhance ni ght t i me busi ness and soci al act i vi t ywhi l e r educi ng t he degr adat i on of t he ni ght t i me vi sual envi r onment .Addi t i onal l y, t hey are desi gned t o meet ot her communi t y goal s such assuppor t i ng l ocal ast r onomi cal and t our i sm i ndust r i es by mi ni mi zi ng l i ghtpol l ut i on, gl are, and l i ght t r espass, and by conser vi ng ener gy and nat ur alr esour ces.

 These r egul at i ons cover t he r equi r ements f or Ci t y capi t al i mprovementpr oj ect s and pr i vat e devel opment s subj ect t o of f si t e i mpr ovement s

r equi r ement s. They shal l be used as gui del i nes f or al l other i nst ancesr el at i ve t o l i ght i ng publ i c ways.

 Ti t l e 10, Fl agst af f Zoni ng Code est abl i shes l i ght i ng st andar ds f or publ i ct hor oughf ares i n t r adi t i onal nei ghborhood devel opment s as appr oved by t heCi t y Counci l .

Sections:

13-12-002  Lighting Required

13-12-002-0001  Lighting Required

Section 13-12-002 Lighting Required

Section 13-12-002-0001 Lighting Required

St r eet l i ght s shal l be i nst al l ed on al l publ i c and pr i vat e st r eet s i naccor dance wi t h Fl agst af f Ci t y Code, Ti t l e 13. The devel oper shal l ber esponsi bl e f or t he desi gn and i nst al l at i on and al l cost s associ at ed wi t h t hei nst al l at i on of t he st r eet l i ght i ng syst em. Pl ans shal l be submi t t ed t o t heCi t y Engi neer f or r evi ew and appr oval and shal l conf or m t o ci t y st andar ds.

 The st r eet l i ght s shal l become t he proper t y of t he Ci t y when t he f i nali nspect i on of al l of f si t e i mpr ovement s i s made and t he Ci t y Engi neer accept s

Page 137: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 137/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 137 Effective May 17, 2012

sai d i mprovement s.

When a devel opment pr oj ect i ncl udes both publ i c and pr i vat e st r eet l i ght i ng,t hen t he const r uct i on pl ans shal l cl ear l y not e f or each l i ght f i xt ur e whet heri t i s a publ i c f i xt ur e or a pr i vat e f i xt ur e. Thi s di st i ncti on shal l al so be

shown on any summary or quant i t i es l i st .

 The st r eet l i ghts on publ i c st r eet s shal l become t he proper t y of t he Ci t y whent he f i nal i nspect i on of al l of f si t e i mpr ovement s i s made and t he Ci t yEngi neer accept s sai d i mpr ovement s.

 The el ect r i cal l i nes ser vi ng t he st r eet l i ghts on publ i c st r eets shal l bei nst al l ed t o Ar i zona Publ i c Ser vi ce ( APS) st andards and wi l l become, uponaccept ance, t he pr opert y of APS. The devel oper shal l be r esponsi bl e f ormaki ng necessar y ar r angement s wi t h APS f or t he i nst al l at i on of t he el ect r i calser vi ce f or t he st r eet l i ght i ng syst em.

Sections:

13-12-003  Lighting Layout

13-12-003-0001  Lighting Layout

13-12-003-0002  Streetlights at Intersections13-12-003-0002.1  General13-12-003-0002.2  Streetlights at Non-Signalized Intersections

13-12-003-0002.3  Streetlights at Signalized Intersections13-12-003-0003. Spacing of Street Lights

13-12-003-0004  Location and Placement of Equipment

Section 13-12-003 Lighting Layout

Section 13-12-003-0001 Lighting Layout

 The i nt ent of r oadway l i ght i ng i s f or i mproved t r anspor t at i on saf et y andef f i ci ency. The i ndi vi dual el ement s t hat compose t he l i ght i ng i nst al l at i onshal l compl ement t hi s i nt ent . The st r eet l i ght i ng desi gn shal l i ncl udesaf et y consi der at i ons t o mi ni mi ze hazar ds present ed by pol es as r oadsi de andpedest r i an obst acl es, and as vi si on obst r uct i ons.

Section 13-12-003-0002 Streetlights at Intersections

Section13-12-003-0002.1 General

A. Lumi nai r e Wat t age – Si ngl e I nst al l ati on. The si ze ( wat t age) of ast r eet l i ght at an i nt er sect i on wher e onl y one l i ght i s r equi r ed i sdetermi ned f r om Tabl e 12- 03- 01  based on t he f unct i onal cl assi f i cat i on oft he st r eet over whi ch t he l i ght extends.

B. Lumi nai r e Wat t age – Mul t i pl e I nst al l at i on. At i nt er sect i ons wher e mor et han one st r eet l i ght i s requi r ed al l l i ght s shal l be t he same si ze. Thesi ze shal l be det er mi ned f r om  Tabl e 12- 05- 01  f or t he f uncti onalcl assi f i cat i on of t he l eg of t he i nt er secti on r equi r i ng t he hi ghestwat t age l umi nai r e.

Page 138: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 138/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 138 Effective May 17, 2012

Section 13-12-003-0002.2 Streetlights at Non-Signalized Intersections

A. A st r eet l i ght shal l be i nst al l ed at each non- si gnal i zed publ i c st r eeti nt er sect i on wi t h t he f ol l owi ng except i ons:

1. St r eet Wi dt h. At i nt er sect i ons where t he wi dt h of one or more oft he appr oaches i s gr eat er t han or equal t o f i f t y f eet ( 50’ ) asmeasured t o the back of curb ( on ur ban st r eet sect i ons) or edge ofpavement ( on r ur al st r eet sect i ons) , t wo st r eet l i ght s shal l bei nst al l ed on di agonal l y opposi t e cor ner s.

2. Ur ban Local St r eet s. At t he i nt er sect i on of t wo Ur ban LocalSt r eet s, a st r eet l i ght may be omi t t ed i f i t s i nst al l at i on woul dvi ol at e t he spaci ng and uni f or mi t y cr i t er i a of Sect i on 12- 03- 030al ong ei t her st r eet .

3. Rur al l ocal and r ur al col l ector st r eet s. St r eet l i ght s ar e notr equi r ed at i nt er secti ons i nvol vi ng onl y r ur al l ocal or r ur alcol l ector st r eet s. Shoul d a desi gner choose t o i nst al l st r eet l i ght son st r eet s wi t h t hese cl assi f i cat i ons, t hen the r espect i ve ur banl ocal or ur ban mi nor col l ector st r eet cri t er i a f or i nt er secti ons andspaci ng al ong t he st r eet s shal l appl y. St r eet l i ght s ar e r equi r ed atal l i nt ersect i ons on r ural art er i al s tr eet s .

B. St r eet l i ght s at unsi gnal i zed i nt er secti ons shal l be i nst al l ed near t hecur b r et ur n wi t h the l umi nai r e extendi ng per pendi cul ar t o the st r eetcent er l i ne. The l umi nai r e shal l ext end over t he cont i nuous roadway at a“T” i nt er sect i on or over t he roadway wi t h t he hi gher cl assi f i cat i on at af our - way i nt er secti on.

Section 13-12-003-0002.3 Streetlights at Signalized Intersections 

St r eet l i ght s shal l be i nst al l ed on t he si gnal pol es at si gnal i zedi nt er secti ons as f ol l ows:

At a mi ni mum, f our st r eet l i ght s shal l be i nst al l ed, one on each cor ner oft he i nt er sect i on. For ever y l eg of an i nt er sect i on wher e t he wi dt h oft he l eg i s gr eater t han or equal t o ei ght y f eet , measur ed at t he cur br et ur ns, an addi t i onal str eet l i ght wi l l be i nstal l ed. The addi t i onalst r eet l i ght shal l pr oj ect over t he ri ght hand cur b on t hat appr oach.

Page 139: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 139/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 139 Effective May 17, 2012

Section 13-12-003-0003 Spacing of Streetlights. 

I n addi t i on t o i nt er secti on l ocat i ons, st r eet l i ght s shal l be spaced al ongst r eet s i n accor dance wi t h t he f ol l owi ng t abl e ( 12- 03- 01) :

 TABLE 12- 03- 01

STREETLI GHT SPACI NG

FUNCTIONAL

CLASSIFICATION SIZE (watts) TYPE LUMENS SPACING

MAJ OR ATERI AL 180 LPS 33K 300'

135 LPS 22. 5K 250'

MI NOR ATERI AL 180 LPS 33K 300'

135 LPS 22. 5K 250'

MAJ OR COLLECTOR 135 LPS 22. 5K 300'

90 LPS 13. 5K 250'

MI NOR COLLECTOR 90 LPS 13. 5K 350'

55 LPS 8K 300'COMM. LOCAL 55 LPS 8K 350'

LOCAL 37' 55 LPS 8K 350' ( 400' )

LOCAL 31' 55 LPS 8K 350'

LOCAL 27' 55 LPS 8K 350'

 Note: When st r eet l i ght s ar e const r uct ed al ong an exi st i ng st r eet , t he watt ageand cor r espondi ng spaci ng shal l mat ch t hat of exi st i ng l i ght s on t he st r eet . Onnew st r eet const r uct i on, t he desi gner shal l sel ect t he most appr opr i ate wat t ageand spaci ng f r om t hi s t abl e based on i nt er sect i on spaci ng, dr i veway l ocat i ons andot her r oadway f eat ur es t hat woul d benef i t f r om st r eet l i ght pr oxi mi t y.

Section 13-12-003-0004 Location and Placement of Equipment 

A. I n addi t i on t o t he t abl e, t he f ol l owi ng l ayout cr i t er i a shal l be used:

1. When a st r eet l i ght l ocat i on f al l s near an unl i t i nt er secti on, t hel i ght shal l be l ocat ed at t he i nt er secti on.

2. St r eet l i ght s shoul d be l ocat ed at pr oper t y l i nes t o t he gr eat estext ent possi bl e, but not i n conf l i ct wi t h ot her uti l i t y ser vi cel ocat i ons.

3. Pol e spaci ng al ong a st r eet may var y f r om t he cr i t er i a of  Tabl e 12-03- 01  by up t o 10%. For uni f ormi t y of appear ance, t he var i ance i n

spaci ng bet ween adj acent spans shoul d not be more t han 10%.

4. Wi t h r el at i on t o r oadway cross- sect i ons, pol es shal l be l ocat ed asf ol l ows ( measur ed to t he near edge of t he pol e) :

a. I f ei t her t he si dewal k i s at t he back of cur b or t he par kway i sl ess t han f our f eet wi de, one f oot f r om back of si dewal k.

b. When t he si dewal k i s separated f r om t he curb by a parkwaygr eat er t han or equal t o f our f eet i n wi dt h, t wo f eet back ofcur b.

Page 140: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 140/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 140 Effective May 17, 2012

c. When t her e i s cur bi ng but no si dewal k, t wo f eet f r om back ofcur b.

d. On a r ur al st r eet , ei ght f eet f r om t he edge of pavement wi t h awi dened shoul der si mi l ar t o t he f i r e hydr ant l ocat i on i n

st andard dr awi ng 13- 03- 012.

5. Exi st i ng ut i l i t y pol es shoul d be used whenever possi bl e.

6. Wi r i ng f or st r eet l i ght s shal l be under gr ound and l ocat ed behi ndcur b.

7. Addi t i onal l i ght i ng may be r equi r ed when pot ent i al t r af f i c hazardsar e i dent i f i ed i n t he pl an r evi ew pr ocess.

8. On st r eet s that are wi der t han 70 f eet ( back of curb) t he r equi r edstr eet l i ght s shal l al t er nat e on ei t her s i de of t he str eet .

Sections:

13-12-004  Pedestrian Lighting

13-12-004-0001  Pedestrian Lighting.

Section 13-12-004 Pedestrian Lighting

Section 13-12-004-0001 Pedestrian Lighting

A. Li ght i ng f or pedest r i an or ot her acti vi t y i n excess of t hi s st r eetl i ght i ng st andard i s not normal l y r equi r ed. However , publ i cl y owned andoper at ed pedest r i an l evel l i ght i ng may be i nst al l ed wi t h t he appr oval oft he Ci t y Engi neer , or r equi r ed by t he Ci t y Engi neer on publ i c r i ght ofway and wal kway easement s i n speci al cases wher e ther e i s a demonst r at ed

need f or addi t i onal i l l umi nati on t o suppl ement t he r equi r ed st r eetl i ght i ng. Exampl es of such cases woul d i ncl ude:

1. Wal kways and mi d- bl ock cr osswal ks wher e t her e i s an ext ended, hi ghl evel of ni ght t i me pedest r i an acti vi t y.

2. The appr oaches t o pedest r i an under cr ossi ngs or ot her unusualpedestr i an f aci l i t i es .

3. Ar eas wher e speci al gui dance i s r equi r ed t o ai d pedest r i annavi gat i on and deci si on maki ng.

4. Locat i ons wi t h speci al wal ki ng hazar ds such as stai r ways.

5. Locat i ons wher e a wal kway servi ng a hi gh l evel of ni ght - t i mepedest r i an acti vi t y adj acent t o the st r eet di ver ges f r om t he st r eetf ar enough t hat i t i s not i l l umi nat ed by the st r eet l i ght i ng.

B. I n addr essi ng suppl ement ar y pedest r i an l evel st r eet l i ght i ng, t hedesi gner or devel oper shal l meet al l Ci t y st andards gover ni ng al l out doorl i ght i ng i n t he Ci t y, whet her publ i c or pr i vat e as f ol l ows:

1. Al l f i xt ures shal l be f ul l y shi el ded.

2. Fi xt ur es and t hei r i nst al l at i on shal l mi ni mi ze l i ght t r espass and

Page 141: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 141/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 141 Effective May 17, 2012

gl are t o pedest r i ans and ot her r oad user s.

3. Pedest r i an l evel l i ght i ng shal l use l ow- pr essur e sodi um as thepr ef er r ed sour ce unl ess ther e i s compel l i ng r eason t hat accur atecol or r endi t i on i s i mpor t ant i n t he pedest r i an t ask.

4. The desi gner shal l devel op a desi gn t hat uses onl y t he mi ni mumi l l umi nat i on necessar y t o accompl i sh the i dent i f i ed pedest r i an task.

Sections:

13-12-005  Street Light Equipment13-12-005-0001  Luminaire13-12-005-0002  Streetlight Support Structures

13-12-005-0003  Structure Colors and Paint Specifications

13-12-005-0004  Streetlight Equipment and Service Line Ownership

Section 13-12-005 Street Light Equipment

Section 13-12-005-0001 Luminaire

Lumi nai r e f or st r eet l i ght i ng shal l be f ul l cut - of f f i xt ur es meet i ng t hef ol l owi ng cr i t er i a f or wei ght and ef f ect i ve pr oj ect ed ar ea ( EPA) :

 TABLE 12- 05- 01Lumi nai r e Wei ght and EPA Cr i t er i a

Lumi nai r e Wat t ageMaxi mumWei ght i ncl udi ngBal l ast , Sl i pf i t t er , Lamp

and Photo Cel l

( Pounds)

Maxi mum EPA

( Square Feet )

55 LPS 30 1. 490 LPS 35 1. 6135 LPS 50 2. 0180 LPS 65 2. 6

 The Ci t y Engi neer wi l l mai nt ai n a l i st of acceptabl e l umi nai r e. Lumi nai r enot on t hi s l i st wi l l r equi r e submi t t al of t echni cal i nf or mat i on f or r evi ewand appr oval by t he Ci t y Engi neer .

Section 13-12-005-0002 Streetlight Support Structures 

St r eet l i ght suppor t st r uct ur es consi st of t he base, pol e, and mast ar ms. The

st andar ds of const r uct i on f or st r eet l i ght equi pment shal l f ol l ow t hose ofAr i zona Publ i c Ser vi ce ( APS) Const r uct i on Standard Dr awi ng No. 8040. Thest r eet l i ght pol e mast arm and l umai r e assembl y shal l be t o AASHTO, St andardSpeci f i cat i ons f or St r uct ur al Suppor t s f or Hi ghway Si gns, l umai r es andt r af f i c si gnal s ( 2001 Desi gn Cr i t er i a) t o wi t hst and a wi nd speed of 90 m. p. h.

Cont act APS f or a copy of t he cur r ent const r uct i on st andards.

 The geomet r y of t he support st r uct ure var i es wi t h t he l umi nai r e si ze as showni n  Tabl e 12- 05- 02:

Page 142: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 142/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 142 Effective May 17, 2012

 TABLE 12- 05- 02

NOMI NAL MOUNTI NG HEI GHT

LUMI NAI RE( Watt s)

MOUNTI NGHEI GHT ( f t )

POLE ( f t ) MAST ARM

55 LPS 26 30 20” X 6’

90 LPS 26 30 20” X 6’

135 LPS 34 38 3’ X 8’

180 LPS 39 38 8’ X 8’

Mast ar ms of di f f er ent r i se and l engt h may be requi r ed when exi st i ng ut i l i t ypol es ar e ut i l i zed. The desi gn t he mount i ng and mast arm chosen shal l be

such as t o pl ace t he l umi nai r e at t he appr opr i at e nomi nal mount i ng hei ght andabove t he cur b or edge of t he pavement of t he st r eet .

Section 13-12-005-0003 Structure Colors and Paint Specifications 

 The Ci t y Engi neer wi l l eval uat e new proj ect s t hat have st r eet l i ght s t odet er mi ne whet her t he suppor t st r uct ur e and l umi nai r e wi l l be col ored. I f i ti s so det er mi ned, t hen t he f ol l owi ng wi l l appl y:

A. Pol es and mast arms shal l be gal vani zed i nsi de and out . The sur f aces tobe pai nt ed shal l be aci d washed and cl eaned pr i or t o pai nt i ng.Gal vani zed coat i ngs on surf aces not bei ng pai nt ed shal l be pr otect ed f r omt he aci d wash.

B. Pai nt i ng and pr i mi ng of l umi nai r e and other f i xture housi ngs shal l bedone i n accor dance wi t h the r equi r ement s of ADOT St andard Speci f i cat i onSect i ons 610 and 1002.

C. The col or of t he suppor t st r uct ur e shal l mat ch Sher wi n- Wi l l i ams Dr yl acRAL6012 or appr oved equal . Al t ernate col ors may be accept abl e i fapproved by t he Ci t y Engi neer .

D. Suppl ement ary pedest r i an l evel l i ght i ng st r uct ur es and l umi nai r e may bef i ni shed i n ot her col or s pr ovi di ng t hat t he col or chosen i s sensi t i ve t oand compl ement s t he envi r onment surr oundi ng t he i nst al l at i on.

Section 13-12-005-0004 Streetlight Equipment and Service Line Ownership

A. For st r eet l i ght s on publ i c r oadways, t he di vi si on poi nt f or owner shi p i sat t he j unct i on poi nt wher e the ser vi ce l i ne i s t apped or spl i ced f or t heser vi ce t o each l i ght . Thus, t he st r eet l i ght equi pment i ncl udi ngf oundat i on, pol e, mast arm, l umi nai r e, and wi r i ng wi t hi n each pol e and t ot he j uncti on poi nt , ar e pr oper t y of t he Ci t y of Fl agst af f . The el ectr i cci r cui t f eedi ng t he l i ght s, t he j unct i on box at t he f oot of each pol e,and t he connect i ons, spl i ci ng, f uses, and other equi pment wi t hi n t he

 j unct i on box ar e t he propert y and r esponsi bi l i t y of t he el ect r i calut i l i t y t hat pr ovi des power t o t he st r eet l i ght s.

B. On pr i vat e st r eet s, t he st r eet l i ght owner shi p, oper at i on, and mai nt enance

Page 143: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 143/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 143 Effective May 17, 2012

are by separat e agr eement wi t h t he ut i l i t y and t he homeowners’associ at i on, ent i t y, or or gani zat i on r esponsi bl e f or t he pr i vat e st r eet .

Sections:

13-12-006  Plan Submittals

13-12-006-0001  Plan Submittals

Section 13-12-006 Plan Submittals

Section 13-12-006-0001 Plan Submittals

Al l new si t e pl ans, pr el i mi nar y pl at s, or const r uct i on pl an submi t t al s shal lshow adj acent exi st i ng st r eet l i ght s wi t h t hei r l umi nai r e t ype and wat t age.

A. New st r eet l i ght s and auxi l i ary equi pment and changes to st r eet l i ght s andequi pment i n t he vi ci ni t y of t he pr oj ect , whi ch ar e r equi r ed as a r esul tof t he pr oj ect shal l al so be shown on t hese pl an submi t t al s wi t h t hel umi nai r e t ype, wat t age, and ot her per t i nent i nf or mat i on.

B. For cases wher e t he suppor t st r uct ur e or l umi nai r e var y f r om t hesest andar ds and i n al l cases of suppl ement ary pedest r i an l evel l i ght i ng,const r uct i on and mat er i al s det ai l s shal l be i ncl uded i n t he const r uct i onpl ans.

Sections:

13-12-007  Modifications to the Existing System

13-12-007-0001  Modifications to the Existing System

Section 13-12-007 Modifications to the Existing System

Section 13-12-007-0001 Modifications to the Existing System

I ndi vi dual r equest s f or addi t i ons t o, or del et i ons f r om, t he Ci t y' sst r eet l i ght system, whi ch are not i n accor dance wi t h t he Li ght i ng Layout oft he St andard, shal l be acted on by the Ci t y Engi neer or hi s aut hor i zedr epr esent at i ve.

Sections:

13-12-008  Repair and Replacement

13-12-008-0001  Repair and Replacement

Section 13-12-008- Repair and Replacement

Section 13-12-008-0001 Repair and Replacement

I f an exi st i ng st r eet l i ght i nst al l at i on whi ch i s not i n conf or mance wi t ht hese st andards suf f ers damage to such an ext ent t hat t he cost of r epai r i ngt he damage i s greater t han 50% of t he cost of r epl aci ng t he non- conf ormi ngi nstal l at i on, t hen ei t her:

Page 144: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 144/382

  CHAPTER 13-12

STREET LIGHTING

Engineering Design Standards 144 Effective May 17, 2012

A. The l i ght shal l not be r epai r ed, but r at her , r epl aced wi t h ani nst al l at i on whi ch f ul l y conf or ms t o t hese St andar ds i f such ani nst al l at i on woul d be i n conf or mance wi t h the i nt er sect i on and spaci ngr equi r ement s of t he St andards; or,

B. The l i ght shal l be r emoved i f i t s repai r or r epl acement woul d vi ol at e t hei nt er sect i on and spaci ng r equi r ement s of t he St andards.

I f t he r epai r cost i s l ess t han 50% of t he r epl acement cost t hen t hei nst al l at i on shal l be r epai r ed i n accordance wi t h t hese St andards wheneverpossi bl e.

Page 145: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 145/382

  CHAPTER 13-13

FIRE SAFETY REQUIREMENTS

Engineering Design Standards 145 Effective May 17, 2012

CHAPTER 13-13

FIRE SAFETY REQUIREMENTS

Sections:

13-13-001  Fire Safety Requirements

13-13-002  Fire Flow13-13-003  Fire Hydrants

13-13-004  Access13-13-005  Addressing

13-13-006  Reservoir Capacity13-13-007  Mains13-13-008  Power Supply and Pumps

13-13-009  Fire Sprinkler Lines

13-13-001  Fire Safety Requirements

13-13-001-0001  Fire Safety Requirements

13-13-002  Fire Flow

13-13-002-0001  Fire Flow

13-13-003  Fire Hydrants13-13-003-0001  Fire Hydrants

13-13-004  Access

13-13-004-0001  Fire Access

13-13-004-0002  Dead-end Fire Access13-13-004-0003  Technical Reports

13-13-005  Addressing13-13-005-0001  Addressing

13-13-006  Reservoir Capacity

13-13-006-0001  Reservoir Capacity

13-13-007  Mains13-13-007-0001  Mains

13-13-008  Power Supply and Pumps

13-13-008-0001  Power Supply and Pumps

13-13-009  Fire Sprinkler Lines13-13-009-0001  Fire Sprinkler Lines

13-13-001  Fire Safety Requirements13-13-001-0001  Fire Safety Requirements

Section 13-13-001 Fire Safety Requirements

Section 13-13-001-0001 Fire Safety Requirements

When appl i cabl e, t hese requi r ement s shal l conf or m t o t he cur r ent Fi r e Codeand/ or Nat i onal Fi r e Pr otect i on Associ ati on st andar ds. Fi r e r equi r ement s ar eunder t he sol e j ur i sdi cti on of t he Ci t y of Fl agst af f Fi r e Chi ef . As such,t he f ol l owi ng r equi r ement s are i ncl uded f or t he pur pose of consol i dat i ng

Page 146: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 146/382

Page 147: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 147/382

  CHAPTER 13-13

FIRE SAFETY REQUIREMENTS

Engineering Design Standards 147 Effective May 17, 2012

2. When a hydr ant i s l ocated adj acent t o a dr i veway of a pr i vat epr oper t y, i t shal l be l ocat ed behi nd t he si dewal k and no l ess t han10 f t . f r om t he edge of t he dr i veway.

3. Fi r e hydr ant s i nst al l ed wi t hi n cur bed i sl ands shal l be l ocat ed ami ni mum of 6 f t . f r om t he edge of t he f i r e hydr ant t o the back ofcur b. I f t hi s cannot be achi eved, bol l ar ds wi l l be r equi r ed ar oundt he f i r e hydr ant . ( See Det ai l 13- 03- 012) .

D. Ever y f i r e hydr ant shal l have a val ve on t he l ead l i ne. Bl ow- of f val vesshal l be r equi r ed at t he ends of dead- end l i nes whether t empor ary orpermanent . When a f i r e hydr ant i s r equi r ed at or near t he end of a dead-end mai n, i t shal l be i nst al l ed at t he end of t he mai n i nst ead of a bl ow-of f . No f i r e hydr ant or wat er servi ces wi l l be al l owed on t he wat er l i nebetween tempor ary bl ow- of f val ves and the pl ug.

E. I f a devel oper i s requi r ed t o move an exi st i ng f i r e hydr ant , t he exi st i nghydrant must be sal vaged and provi ded t o the Ci t y, and t he Devel opershal l i nst al l a new hydr ant at t he Devel oper ’ s cost .

See Ti t l e 13, Sect i on 13- 09- 006- 0006. 3  f or addi t i onal r equi r ement s of f i r ehydr ant i nstal l at i on.

Sections:

13-13-004  Access

13-13-004-0001  Fire Access Drives13-13-004-0002  Dead-end Fire Access13-13-004-0003  Technical Reports

Section 13-13-004 Access

Section 13-13-004-0001 Fire Access

A. A f i r e access dr i ve 20 f eet i n wi dt h mi ni mum, wi t h 13 f eet 6 i nches ofover head cl ear ance wi l l be r equi r ed wi t hi n 150 f eet of al l bui l di ngs.

1. Fi r e access dr i ves 26 f eet i n wi dt h mi ni mum ( measur ed f r om t he eaveor f l at r oof par apet ) wi l l be r equi r ed f or st r uctur es 20 f eet hi ghor gr eat er .

2. Access f or up t o t wo si ngl e- f ami l y dwel l i ng uni t s may be suppl i ed bya 10- f oot wi de dr i veway meet i ng al l Fi r e Depar t ment r equi r ement s.

B. I f t he access dr i ve exceeds 150 f eet i n l engt h and i s not l ooped, anappr oved t ur n- around shal l be suppl i ed.

1. Tur n- arounds shal l meet r oad r equi r ement s and have a mi ni mum of an80- f oot di amet er .

a. No par ki ng i s al l owed i n turn- ar ounds wi t h 80- f oot di amet er .

( 1) I f par ki ng i s desi r ed, addi t i onal si ze shal l be r equi r edf or t he t ur n- ar ound.

b. An accept abl e access r out e i sr equi r ed, t o be i nst al l ed pr i or t o,

Page 148: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 148/382

  CHAPTER 13-13

FIRE SAFETY REQUIREMENTS

Engineering Design Standards 148 Effective May 17, 2012

and mai nt ai ned dur i ng, combust i bl e const r uct i on.

2. The owner shal l provi de a means f or per manent mai ntenance of t heaccess dr i ve t hat i s sat i sf act or y to t he Ci t y Fi r e Depar t ment .

C. The maxi mum l ength of any dead- end access r oad shal l be 1200 f eet . Thedi mensi ons of any medi an pr oposed f or a t ur n- around or cul - de- sac shal lbe as i ndi cat ed by t he appr opr i at e Engi neer i ng Det ai l .

D. The maxi mum al l owabl e gr ade on al l Fi r e Depart ment access dr i ves shal lconf or m t o t he cur r ent Fi r e Code.

Section 13-13-004-0002 Dead-end Fire Access

A. When a f i r e access dr i ve exceeds 150 f eet , an approved t urn- around mustbe pr ovi ded.

B. When a f i r e access dr i ve exceeds 1, 200 f eet , a second r emot el y l ocat edaccess road i s r equi r ed. Spaci ng bet ween access dr i ves shal l be i nr emot e l ocat i ons at l east 100 f eet f r om other access.

C. A separate, r emotel y l ocat ed access dr i ve wi l l al so be r equi r ed when anydevel opment exceeds 50 uni t s/ l ot s; r egardl ess of t he access l engt h.

D. I nt er i or f i r e access dr i ves must be 26 f eet wi de when t he devel opmentexceeds 100 uni t s/ l ot s.

Section 13-13-004-0003 Technical Reports 

A t echni cal r eport may be requi r ed t o det ermi ne the sui t abi l i t y of emer gencyr esponse r out es i n cor r el at i on wi t h accept ed i ndust r y standards such asNati onal Fi r e Pr otect i on Associ at i on ( NFPA) 1710.

Sect i ons:

13-13-005  Addressing13-13-005-0001  Addressing

Section 13-13-005- Addressing

Section 13-13-005-0001 Addressing

Addr ess number s are requi r ed on each r esi dent i al or mul t i - f ami l y uni t andshal l be addr essed wi t h mi ni mum si zed 4- i nch number s. Al l other addr essesr equi r e mi ni mum si zed 6- i nch number s. Al l addr essi ng shal l be vi si bl e f r omt he st r eet and have a cont r ast i ng backgr ound. Let t ers are not al l owed f oraddr essi ng.Sect i ons:

13-13-006  Reservoir Capacity13-13-006-0001  Reservoir Capacity

13-13-006 Reservoir Capacity

Section 13-13-006-0001 Reservoir Capacity

When a reser voi r i s t o pr ovi de a second sour ce of water t o a devel opment , t hecapaci t y shal l i ncl ude t he si zi ng necessar y to pr ovi de t he r equi r ed f i r e-

Page 149: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 149/382

  CHAPTER 13-13

FIRE SAFETY REQUIREMENTS

Engineering Design Standards 149 Effective May 17, 2012

f l ows f or 120 mi nutes. Reser voi r suppl ement shal l meet Fi r e Depart mentappr oval .

Sections:

13-13-007  Mains13-13-007-0001  Mains

13-13-007 Mains

Section 13-13-007-0001 Mains

Hydr ant s shal l be ser ved f r om an 8- i nch or l ar ger wat er l i ne and, dependi ngon di st ance, may be r equi r ed t o be of f a l ooped l i ne.

Mai ns are r equi r ed t o be l ooped i f t hey ar e gr eater t han 1000 f eet i n l engt hor have more than t hr ee f i r e hydr ant s comi ng f r om t hem.

Exi st i ng and pr oposed hydr ant s and mai ns shal l be shown on t he si t e pl an orconcept and pr el i mi nar y pl at . The hydr ant syst ems shal l be i nst al l ed,appr oved, and mai nt ai ned pr i or t o any combust i bl e const r uct i on.

Sections:

13-13-008  Power Supply and Pumps13-13-008-0001  Power Supply and Pumps

13-13-008 Power Supply and Pumps

Section 13-13-008-0001 Power Supply and Pumps

When power suppl y and pumps ar e necessary, r edundant syst ems shal l be

pr ovi ded.

Sections:

13-13-009  Fire Sprinkler Lines13-13-009-0001 Fire Sprinkler Lines

13-13-009 Fire Sprinkler Lines

Section 13-13-009-0001 Fire Sprinkler Lines

Al l commer ci al f i r e spr i nkl er l i nes shal l have a mi ni mum 4- i nch ( FLANGE XM. J ) val ve at t he mai n. The 4- i nch val ve shal l be publ i c, but t he r emai nderof t he l i ne ( i ncl udi ng al l f i t t i ngs and gasket s on t he out l et si de of t heval ve) f r om t he val ve t o t he bui l di ng shal l be pr i vat e.

Al l f i r e r i ser s, commer ci al and r esi dent i al , shal l be desi gned wi t h at est abl e backf l ow pr event i on assembl y t hat has been appr oved by t he Ci t y ofFl agst af f ’ s I ndust r i al Wast e Secti on. A y- st r ai ner shal l be i nst al l edupst r eam of t he backf l ow pr event i on assembl y as approved by t he manuf act ur er .

Al l commer ci al f i r e spr i nkl er l i nes shal l be separ at e f r om domest i c l i nesunl ess appr oved by the Fi r e Chi ef and t he Ut i l i t i es Di vi si on.

Page 150: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 150/382

CHAPTER 13-14

BICYCLE FACILITIES

Engineering Design Standards 150 Effective May 17, 2012

Chapter 13-14

Bicycle Facilities

Sections:

13-14-001  Bicycle Facilities

13-14-001-0001 Bicycle Facilities

Section 13-14-001-0001 Bicycle Facilities

Bi cycl e f aci l i t i es and mul t i - use t r ai l s shal l be desi gned i n accor dance wi t h t heCi t y of Fl agst af f and Coconi no Count y’ s “Pedest r i an and Bi cycl e Desi gn Gui de. "

Page 151: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 151/382

CHAPTER 13-15

WORK IN PUBLIC RIGHTS-0F-WAY AND EASEMENTS

Engineering Design Standards 151 Effective May 17, 2012

CHAPTER 13-15

 WORK IN PUBLIC RIGHTS-OF-WAY AND EASEMENTS

Sections:

13-15-001  Permit Requirements

13-15-001-0001. Permit Requirements

13-15-002  Project Clean-Up Requirements13-15-002-0001  Project Clean-up Requirements

Section 13-15-001 Permit Requirements

Section 13-15-001-0001. Permit Requirements

A. Thi s per mi t i s f or t he t i me per i od i ndi cat ed. Shoul d t he per mi t t ee beunabl e to compl ete the work i n t he speci f i ed t i me (adver se weat hercondi t i ons except ed) , t he per mi t t ee shal l make appl i cat i on t o the Ci t y ofFl agst af f f or a t i me ext ensi on and pay t o the Ci t y an amount equal t o 50% oft he or i gi nal per mi t f ees.

B. Al l work per mi t t ed shal l be done at no expense t o t he Ci t y of Fl agst af f , andt he per mi t t ee shal l i ndemni f y, def end, and hol d harml ess t he Ci t y ofFl agstaf f f r om and agai n any and al l l i abi l i t y or r esponsi bi l i t y f or anyacci dent , l oss, damage t o per sons or pr oper t y, or expenses ( i ncl udi ngr easonabl e at t or ney f ees and cour t cost s) , ar i si ng f r om and/ or occur r i ng asa r esul t of any deat h, bodi l y i nj ur y, per sonal i nj ur y, or pr oper t y damage ofany ki nd or descri pt i on t hat may di r ect l y or i ndi r ect l y r el at ed t o or st em

f r om any wor k or acti vi t i es under t he t er ms of t hi s per mi t . I n essence,per mi t t ee shal l assume al l sai d l i abi l i t i es and/ or r esponsi bi l i t i es andpr otect and/ or r est ore al l pr oper t y both publ i c and pr i vat e damaged as ar esul t of t he act i vi t i es of t he per mi t t ee, i t s agent s, empl oyees, orcont r act or . Pr i or t o t he i ssuance of a per mi t , t he per mi t t ee shal l pr ovi det he Ci t y of Fl agst af f wi t h one ( 1) copy of a Cer t i f i cat e of Commer ci alGener al Li abi l i t y I nsur ance nami ng t he Ci t y as an addi t i onal i nsur ed. Themi ni mum l i mi t s of cover age shal l be t hose cur r ent l y requi r ed by the Ci t y ofFl agst af f Ri sk Management Sect i on. Thi s i nsur ance shal l i n no way l i mi t t heext ent or enf orcement of t he above l i st ed hol d harml ess agr eement .

C. The per mi t t ee shal l adher e t o al l Feder al , St at e, and l ocal l aws,or di nances, and r egul ati ons.

D. Al l per mi t t ed work shal l be per f ormed i n accordance wi t h t he requi r ement s oft he Ci t y Engi neer , t he Uni f or m St andar d Speci f i cat i ons f or Publ i c Wor ksConst r uct i ons ( MAG Speci f i cat i ons) , Ci t y of Fl agst af f Addendum t o MAG,Fl agst af f Ci t y Code, Ti t l e 13, Engi neer i ng Desi gn Const r uct i on St andar ds andSpeci f i cat i ons, Uni f orm St andar d Det ai l s f or Publ i c Wor ks Const r uct i on ( MAGDet ai l s) , and t he Ci t y of Fl agst af f St ormwater Desi gn Manual ; and t heappr oved pl ans, const r uct i on schedul es, and t r af f i c cont r ol pl ans submi t t edwi t h t he appl i cat i on f or per mi t .

Page 152: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 152/382

CHAPTER 13-15

WORK IN PUBLIC RIGHTS-0F-WAY AND EASEMENTS

Engineering Design Standards 152 Effective May 17, 2012

E. Wher e a pr oposed under gr ound ut i l i t y i s i nst al l ed under an asphal t i c orPor t l and cement concr et e sur f aced roadway, t he i nst al l at i on shal l be made bybor i ng or j acki ng beneat h t he r oad sur f ace. Pavement cut s are permi t t edonl y when:

1. Physi cal const r ai nt s such as bedr ock or i ndet er mi nabl e i nf r astr uct ur epr event bor i ng or j acki ng

2. An unsuccessf ul at t empt has been made t o bore or j ack t he i nst al l at i on

3. Connect i on t o an exi st i ng ut i l i t y l ocat ed beneat h t he paved port i on oft he r oadway i s necessar y

4. Ri ght - of - way l i mi t s do not accommodat e a bor i ng operat i on

5. Bor i ng wi l l r esul t i n an i nordi nate cost when compared t o an open cut( t wo t i mes the cost as demonst r at ed by an engi neer’ s est i mate or act ualconst r uct i on bi d)

6. The sur f ace of t he r oadway i s i n a badl y deter i orated condi t i on sucht hat a pavement cut wi l l not det r act f r om t he i nt egr i t y of t he sur f ace,as determi ned by t he Ci t y Engi neer .

F. When t r enchi ng i s necessary and permanent , pavement pat ch i s notpr act i cabl e, t emporary t r ench pavement shal l consi st of UPM TM ( Uni que Pavi ngMat er i al ) , HP TM Uni t ed Met r o or appr oved equal . I n l i eu of pl aci ng UPM, t heper mi t t ee may el ect t o compl et el y backf i l l t he tr ench t o wi t hi n 2 i nches oft he f i ni sh t r ench gr ade wi t h non- Shr i nk Sl ur r y backf i l l conf or mi ng t oFl agst af f Ci t y Code, Ti t l e 13, Engi neer i ng Desi gn and Const r uct i on St andar dsand Speci f i cat i ons, Sect i on 13- 09- 006- 0003. The f i nal 2 i nches shal l be MAGCl ass C concr et e.

G. Per mi t t ees shal l submi t t o t he Ci t y f or appr oval : 1) f or smal l pr i vat edevel opment pr oj ect s, t wo copi es of t he const r uct i on pl ans. The Ci t yEngi neer may wai ve t hi s r equi r ement f or mi nor work, i n whi ch case t heappl i cant shal l submi t t wo (2) copi es of a sket ch t hat depi ct s i n sui t abl edet ai l t he pr oposed wor k. 2) For wor k i n publ i c r i ght s- of - way t hatr equi r es the r estr i ct i on of t r af f i c or c l osur e of publ i c st r eet s, t heper mi t t ee shal l submi t t wo ( 2) copi es of a t r af f i c cont r ol pl an conf or mi ngt o t he requi r ement s of Fl agst af f Ci t y Code, Ti t l e 13, Engi neer i ng Desi gn andConst r uct i on St andar ds and Speci f i cat i ons, Sect i ons 13- 06- 003 “Revi ew”, 13-06- 005 “For mat ”, and 13- 06- 006 “Dr af t i ng St andards For mat ”. The pl an shal ldepi ct t he cont r ol of publ i c t r af f i c t hr ough t he wor k ar ea. Al l bar r i cades,l i ght s and ot her t r af f i c cont r ol devi ces shal l be i n accor dance wi t h t heMUTCD. The Ci t y Engi neer may suspend t hi s r equi r ement f or mi nor work.

H. St r eet s or al l ey shal l not be cl osed wi t hout wr i t t en aut hor i zat i on of t heCi t y Engi neer .

 J . Shoul d bl ast i ng be r equi r ed, an addi t i onal permi t shal l be obt ai ned f r om t heCi t y of Fl agst af f Fi r e Depar t ment .

K. The per mi t t ee shal l not i f y t he Ci t y of Fl agst af f Engi neer i ng Sect i on ( 928)779- 7650 on t he worki ng day i mmedi at el y pr ecedi ng t he dat e work wi l lcommence, or r ecommence af t er a st oppage.

Page 153: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 153/382

CHAPTER 13-15

WORK IN PUBLIC RIGHTS-0F-WAY AND EASEMENTS

Engineering Design Standards 153 Effective May 17, 2012

L. The per mi t t ee shal l f ul l y conf or m t o t he r equi r ement s of A. R. S. Sect i on 40-360. 21, et seq. ( Bl ue St ake r equi r ement s, cal l 1- 800- STAKE- I T) .

M. The per mi t t ee shal l f ul l y conf or m t o t he r equi r ement s of A. R. S. § 40- 360. 21,r est r i ct i ons f or wor ki ng near over power l i nes.

N. The per mi t t ee shal l be f ul l y r esponsi bl e f or al l wor k per f or med under t hi sper mi t , i ncl udi ng, but not l i mi t ed t o, workmanshi p and worksi t e cl eanup asspeci f i ed i n Ti t l e 13, Ci t y of Fl agst af f Engi neer i ng Desi gn and Const r uct i onSt andar ds and Speci f i cat i ons, Sect i on 13- 15- 002.

O. Al l wor k per mi t t ed her ei n shal l be guar ant eed agai nst al l def ect s i nmater i al and workmanshi p f or one year f r om t he date i t i s accept ed by t heCi t y Engi neer .

P. Upon accept ance by t he Ci t y Engi neer, al l publ i c roadway dr ai nage, water,and sewer f aci l i t i es shal l become and r emai n t he pr opert y of t he Ci t y ofFl ags taf f .

Q. The per mi t t ee may be r equi r ed t o perf orm speci al r equi r ement s as determi nedby t he Ci t y Engi neer .

Sections:

Section 13-15-002 Project Clean-up Requirements

Section 13-15-002-0001 Project Clean-up Requirements

A. Al l cont r act or s wor ki ng wi t hi n t he Ci t y of Fl agst af f , bot h on publ i cpr oper t y or pr i vat e pr oper t y, shal l per f or m t hei r wor k i n such a way as t omi ni mi ze t he dust , di r t , mud, t r ash and other debr i s t hat l eaves, by anymeans, t he const r uct i on area. Thi s may i ncl ude necessary water i ng ( t he use

of Ci t y r ecl ai med wast ewater i s encour aged and i t i s r equi r ed on al l maj orconst r uct i on act i vi t y per Ci t y Code, Chapt er 7- 03, Ci t y Water SystemRegul at i ons, Sect i on 7- 03- 001- 0015, Cr oss Connect i on Cont r ol , ) , a dustpal l i at i ve, si l t f enci ng, Best Management Pr act i ces, or what ever el se thatmay be necessary to pr otect pr i vat e and publ i c pr oper t y f r om unduei nconveni ence or hazar ds.

B. Any publ i c or pr i vat e pr opert y t hat i s damaged, soi l ed, muddi ed, orot her wi se mar r ed shal l be r est or ed and r et ur ned t o i t s ori gi nal condi t i on byt he cont r actor, devel oper or proper t y owner . Thi s work may i ncl ude r epai r st o st r eet pavement , r emoval of mud and debr i s, st r eet sweepi ng, water i ng( t he use of Ci t y recl ai med wast ewat er i s encour aged) , and ot her work asnecessary t o r est or e t he publ i c pr oper t y t o i t s pr evi ous condi t i on. Ther est or ati on of pr i vat e pr oper t y shal l i ncl ude sweepi ng, debr i s r emoval , andot her cl eanup or r epai r s needed t o rest or e t he pr i vat e pr oper t y to i t sor i gi nal condi t i on.

C. When, i n t he opi ni on of t he Ci t y Engi neer , St r eet Super i nt endent , or Chi efBui l di ng Of f i ci al const r uct i on act i vi t y r esul t s i n undue i nconveni ence orhazar ds t o the publ i c, t he Ci t y Of f i ci al may gi ve a wr i t t en or deri nst r uct i ng t he cont r act or t o do any of t he f ol l owi ng:

1. Change t he work met hods causi ng t he damage or hazard wi t hi n a speci f i ed

Page 154: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 154/382

CHAPTER 13-15

WORK IN PUBLIC RIGHTS-0F-WAY AND EASEMENTS

Engineering Design Standards 154 Effective May 17, 2012

t i me f r ame.2. Per f orm t he necessary cl ean- up work or r epai r s t o r emove t he damage or

hazard.

3. Cease i mmedi atel y t he const r uct i on act i vi t y causi ng t he damage or

hazard.

D. The cont r act or or pr oper t y owner i f no cont r act or i s on t he pr oj ect , i sr esponsi bl e f or any needed cl ean- up r esul t i ng f r om t he const r uct i on act i vi t yon t he pr oper t y owner ’ s pr oj ect . Thi s r esponsi bi l i t y shal l i ncl ude damager esul t i ng f r om vehi cl es or machi ner y of t he subcont r act or and mat er i al ssuppl i er s;

E. Shoul d t he cont r act or or pr oper t y owner not per f or m t he needed r epai r orcl eanup wi t hi n t went y f our ( 24) hour s of wr i t t en order , t he Ci t y may arr angef or t he needed cl ean- up or r epai r s to be per f ormed. The cont r act or orpr oper t y owner , as t he case may be, shal l pay t he cost of t he cl ean- up orr epai r s t o t he Ci t y pr i or t o t he accept ance of t he publ i c i mpr ovement s oroccupancy of on- si t e bui l di ngs. Any unpai d charges may be col l ect ed f r omany sur et i es f or t he pr oj ect on deposi t wi t h t he Ci t y.

F. Cont r act or shal l not st or e mat er i al wi t hi n t he r i ght - of - ways of publ i cst r eet s wi t hout t he wr i t t en per mi ssi on of t he Ci t y Engi neer or hi saut hori zed r epr esent at i ve. When al l owed, st orage shal l be perf ormed t omi ni mi ze i nconveni ence and hazard t o t he publ i c. A t r af f i c cont r ol pl anshal l be submi t t ed by the cont r act or f or r evi ew by the Ci t y Tr af f i cEngi neer . The Tr af f i c Cont r ol Pl an shal l show al l devi ces necessary t oconf orm wi t h MAG Par t 400. Under normal condi t i ons, st orage of mater i al swi l l be al l owed onl y on st r eet s cl osed t o publ i c tr avel .

G. The Ci t y Engi neer may di r ect t hat t he cont r act or access const r uct i on si t esby rout es causi ng t he l east pot ent i al i nconveni ence and damage t o publ i c and

pr i vat e pr oper t y. Thi s di r ect i on may i ncl ude t he use of al t er nat e r out esf or const r uct i on vehi cl es, wor ker s access t o t he const r uct i on si t e anddel i ver y mat er i al s.

Page 155: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 155/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 155 Effective May 17, 2012

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNING, AND PAVEMENT MARKINGS

Sections:

13-16-001  General13-16-002  Signal Design Elements

13-16-003  Signal Equipment13-16-004  Signal Construction

13-16-005  Traffic Signing13-16-006  Pavement Markings

13-16-001  General

13-16-001-0001  Standards and Applicable Documents13-16-001-0002  Professional Certification

13-16-002  Signal Design Elements13-16-002-0001  Plan Set

13-16-002-0002  Intersection Design Requirements

13-16-003  Signal Equipment13-16-003-0001  Required/Approved Product List

13-16-003-0002  Controller Cabinets13-16-003-0003  Electrical Service Cabinet

13-16-003-0004  Uninterruptible Power Supply System

13-16-003-0005  Pull Boxes13-16-003-0006  Traffic Signal Mounting Assemblies13-16-003-0007  Traffic Signal Heads and Indications

13-16-003-0008  Pedestrian Signals13-16-003-0009  Painting of Traffic Signals

13-16-003-0010  Detection Systems

13-16-004  Signal Construction13-16-004-0001  General

13-16-004-0002  Damage to Signal Equipment13-16-004-0003  Controller Cabinet13-16-004-0004  Construction Procedure, Scheduling, and Inspection

13-16-004-0005  Activation

13-16-004-0006  Documentation and Warrants

13-16-005  Traffic Signing13-16-005-0001  Traffic Signs13-16-005-0002  Sign Installation

13-16-006  Pavement Markings13-16-006-0001  Longitudinal Pavement Markings

13-16-006-0002  Transverse Markings, Symbols, and Legends

Section 13-16-001 General

 The necessi t y f or i nst al l at i on or r emoval of t r af f i c si gnal s shal l be determi nedt hr ough t r af f i c st udi es or a tr af f i c i mpact anal ysi s appr oved by the Ci t y

 Tr af f i c Engi neer .

Page 156: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 156/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 156 Effective May 17, 2012

Section 13-16-001-0001 Standards and Applicable Documents 

A. Except as cont ai ned i n t hi s Chapt er , al l desi gns, mater i al s, andconst r ucti on shal l conf or m t o the cur r ent ver si on of t he f ol l owi ng:

1. The Ar i zona Depart ment of Tr ansport at i on St andard Speci f i cat i ons f orRoad and Br i dge Const r uct i on.

2. The Ar i zona Depart ment of Tr anspor t at i on Tr af f i c Si gnal and Li ght i ngSt andard Dr awi ngs.

3. The Ar i zona Depar t ment of Transpor t at i on Si gni ng and Marki ng St andards.

4. Nat i onal El ect r i cal Manuf act ur er s Associ at i on, Traf f i c Cont r ol Syst ems,St andar ds Publ i cat i on: TS2- 1992.

5. I nt er nat i onal Muni ci pal Si gnal Associ at i on, I nc. , Wi r e and Cabl eSpeci f i cat i ons.

6. I nst i t ut e of Tr anspor t at i on Engi neer s, Vehi cl e Tr af f i c Cont r ol Si gnalHeads: Li ght Emi t t i ng Di ode ( LED) Ci r cul ar Si gnal Suppl ement .

7. Manual on Uni f or m Tr af f i c Cont r ol Devi ces f or St r eet s and Hi ghways:USDOT/ FHWA.

8. Amer i can Associ at i on of St at e Hi ghway and Transpor t at i on Of f i ci al s( AASTHO) St andard Speci f i cat i ons f or St r uct ur al Support s f or Hi ghwaySi gns, Lumi nai r e and Tr af f i c Si gnal s.

9. The Ci t y of Fl agst af f Tr af f i c Si gnal St andar d Dr awi ngs.

10. The Ci t y of Fl agst af f Tr af f i c Si gnal Appr oved Pr oduct s Li st .

Section 13-16-001-0002 Professional Certification 

 The desi gn of t r af f i c si gnal s f or pr i vat e devel opment and capi t al proj ect s shal lbe under t he di r ect i on of a Ci vi l Engi neer r egi st er ed i n t he St at e of Ar i zona,and havi ng a Pr of essi onal Tr af f i c Oper at i ons Engi neer cer t i f i cat i on f r om t heI nst i t ut e of Tr anspor t at i on Engi neer s.

Sections:

13-16-002  Signal Design Elements13-16-002-0001  Plan Set13-16-002-0002  Intersection Design Requirements

Section 13-16-002-0001 Plan Set 

A. For cl ari t y of pr esent at i on and under st andi ng, t he pl an set f or a newt r af f i c si gnal i nst al l at i on shoul d cont ai n t he f ol l owi ng sheet s: The coversheet , si gnal pl an sheet , pol e schedul e sheet , conduct or schedul e sheet ,ci vi l pl an sheet , si gni ng and pavement marki ngs sheet s, and a det ai l sheet .

 The cont ents of t he pl an set may var y f r om t hi s f or proj ect s i nvol vi ngmodi f i cat i on of exi st i ng si gnal s or wher e t he new si gnal i s i ncl uded as apar t of l ar ger const r ucti on pr oj ect.

Page 157: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 157/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 157 Effective May 17, 2012

1. The cover sheet shal l meet t he r equi r ement s of Ci t y of Fl agst af fEngi neer i ng Desi gn and Const r uct i on St andards ( St andards) Chapt er 6- 07,Cover Sheet .

2. The t r af f i c si gnal pl an sheet , ( 1” = 20’ ) shal l show t he si gnal - r el at eddet ai l s, such as: cabi net s, pol es, condui t s, pul l boxes, phasi ngi ndi cat i ons, det ect i on, and pavement marki ngs. I t shoul d al so showut i l i t y l ocat i ons and exi st i ng, cur r ent , and f ut ur e r oadwayconst r uct i on. Mi nor ci vi l const r uct i on i mpr ovement s may be i ncl uded ont hi s sheet . The pl an sheet shal l i ncl ude gener al not es and not es f ort he si gnal const r ucti on.

3. The pol e and conduct or schedul e sheets shal l each i ncl ude a r educedscal e i nt ersect i on pl an vi ew t o serve as an i ndex to the schedul es ont hese sheet s. The r educed scal e pl an shal l i ncl ude cur b l i nes,pavement marki ngs, cabi net s, pol es, and condui t s wi t h t hei rdesi gnati ons, and si gnal heads wi t h t hei r phasi ng.

4. The pol e schedul e sheet shal l al so i ncl ude separat e phasi ng di agr amsf or t he new si gnal , f ut ur e phasi ng, i f any, and pr eempt i on and otherspeci al pr ogr ams. I t shal l al so i ncl ude t he t i mi ng t o be pr ogr ammedf or i ni t i al oper at i on at s t art - up.

5. The conduct schedul ed sheet shal l i ncl ude a t abl e showi ng i ndi vi dualcondui t s and si zes; t he cabl es, conduct or s or pul l wi r es t o be pl acedwi t hi n each of t hem; not es r el at i ng t o cabl e, conduct or , and el ect r i calservi ce; and ADOT st andard schedul es f or I MSA mul t i - conduct or cabl es.

6. The ci vi l pl an sheet ( s) shal l be pr ovi ded t o show, separ at e f r omt r af f i c si gnal i nst al l at i on pl an, t he desi gn of ot her el ement s i ncl udedi n t he pr oj ect . These el ement s i ncl ude such work as r epl acement of

cur b or si dewal k, addi t i onal pavement f or t ur n l ane st or age, dr ai nagest r uct ur es, r el ocat i ons of exi st i ng i mpr ovement s and ut i l i t i es, and newsi dewal k r amps.

7. The si gni ng and pavement marki ngs sheet shal l det ai l t ype, si ze, andl ocat i on of al l per manent and t empor ary si gns and pavement marki ngs andany addi t i onal i nf or mati on r equi r ed t o manage t r af f i c saf el y at eachphase of t he const r uct i on.

8. The det ai l sheet shal l be used f or any desi gn and const r uct i on det ai l st hat ar e uni que t o the par t i cul ar pr oj ect or ar e not i ncl uded i n t her ef erences st andar ds and ot her document s.

B. Al l dr awi ngs shal l di st i ngui sh cl ear l y bet ween exi st i ng f eat ur es, pr oposedconst r uct i on wi t h t hi s pr oj ect , and f ut ur e const r uct i on or const r uct i on byot her s.

Section 13-16-002-0002 Intersection Design Requirements 

Ref er t o the Fl agst af f Ci t y Code, Ti t l e 13, Sect i on 13- 10- 006, I nt er sect i onDesi gn, f or geomet r i c standar ds.

A. Cur b r et ur ns shal l be const r uct ed or r econst r uct ed t o pr ovi de dual r amps and

Page 158: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 158/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 158 Effective May 17, 2012

mi ni mum t en- f oot spaci ng between si gnal pol es per St andard Dr awi ngs 10- 10- 34t hr ough 10- 10- 39.

B. Si gnal equi pment shal l be l ocat ed t o accommodat e ant i ci pat ed f ut ur e wi deni ngor addi t i onal appr oaches i n or der t o mi ni mi ze f ut ur e modi f i cat i ons t o t he

s i gnal .

C. Cabi net s shal l be l ocat ed out of cl ear vi ew zones f or t r af f i c at t hei nt er sect i on and at adj acent dr i veways.

1. Consi der at i on shal l be gi ven t o l ocat i ng cabi net s and other si gnalequi pment so as not t o bl ock dr i ver vi ew of adj acent , pr e- exi st i ngcommer ci al adver t i si ng si gns or busi nesses.

D. The f oundat i on f or t he t r af f i c si gnal cabi net shal l be or i ent ed such t hatt he door of the cabi net opens away f r om i nt er sect i on. A concret et echni ci an’ s mai nt enance pad, 4” t hi ck, 4 f t . wi de, and t he l engt h of t hecabi net f oundat i on shal l be pl aced on t he door si de of t he f oundat i on. Theel evat i on of t he top of t he pad shal l be 2” above adj acent cur b f or posi t i vedr ai nage. The cabi net f oundat i on shal l be 4” hi gher t han t he t echni ci an’ smai ntenance pad.

E. Si gnal s shal l be desi gned wi t h an “8- pol e” desi gn; t hat i s, t wo si gnal pol eson each cor ner of t he i nt er sect i ng st r eet s.

1. The mi ni mum di st ance bet ween t he t wo pol es shal l be 10 f t . i naccor dance wi t h ADA r equi r ement s f or separat i on of pedest r i andet ecti on.

F. St r eet l i ght i ng at t he i nt er sect i on shal l be accommodated on combi nat i onsi gnal pol es r at her t han by the i nst al l at i on of separ at e st r eet l i ght pol es.

1. The number and l ocat i on of l umi nari es var i es wi t h t he si ze of t hei nt er sect i on, per Fl agst af f Ci t y Code, Ti t l e 13, Chapt er 12, “St r eetLi ght i ng, ” of t hese st andar ds.

2. Lumi nai r e shal l be i nst al l ed on 20- f oot mast arms unl ess ot her wi sespeci f i ed.

G. Pol es shal l be l ocat ed so as not t o i mpede si dewal k or ramp t r af f i c. Al lpol es havi ng a pedest r i an push but t on st at i on shal l be l ocated adj acent t o asi dewal k or si dewal k r amp, or shal l have an access pad i nst al l ed to meet t her equi r ement s of t he Amer i cans wi t h Di sabi l i t y Act . Reach di st ance t o pushbut t on stat i ons shal l not exceed 10 i nches.

H. Each pol e f oundat i on shal l be pr ovi ded wi t h a 1/ 2” PVC dr ai n t o al l ow watert o dr ai n f r omt he pol e adj ust i ng- nut sump.

I . Over head l ef t t ur n si gnal heads shal l be ADOT Type Q, unl ess pr otect ed onl yphasi ng, when Type R shal l be ut i l i zed.

 J . Si de of pol e mount ed l ef t or r i ght t urn si gnal heads shal l be ADOT Type G,each i nst al l ed on an i ndi vi dual Type V mount .

K. Pol e t op mount ed r i ght or l ef t t ur n si gnal heads shal l be ADOT Type G.

Page 159: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 159/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 159 Effective May 17, 2012

 These may be mount ed on a combi nat i on mount wi t h one ot her si gnal head.

L. Mast ar m mount ed si gnal heads shal l be cent er ed ver t i cal l y over t r af f i cl anes.

M. Seven conduct or I MSA cabl e shal l be r un t o each out boar d si gnal head.

N. The i nt er sect i on wi l l be ‘ boxed’ wi t h t wo 3- i nch di amet er condui t s.

1. One condui t shal l cont ai n hi gher vol t age si gnal and l i ght i ngconduct ors.

2. The second condui t shal l cont ai n l ower vol t age detect i on, pr e- empt i onand communi cat i ons conduct or s.

O. Al l spl i ci ng wi l l occur i n t he No. 7 pol ebox.

P. When t he i nt er sect i on l i es al ong t he pat h of a f ut ur e f i ber opt i ci nt er connect r out e, t wo addi t i onal 3- i nch condui t s, each wi t h a pol e wi r e,shal l be i nst al l ed al ong t hat r out e t hr oughout t he pr oj ect l i mi t s.I nt er connect pul l boxes shal l not i n si dewal k ar eas when possi bl e, butbehi nd si dewal ks or i n gr eenways t o mi ni mi ze t r i ppi ng hazar ds.

1. I nt er connect pul l boxes shal l be i nst al l ed no mor e t han 660 f eet apar tand shal l be pol ymer f i ber gl ass ADOT Type 7 t r af f i c si gnal boxes wi t h a12- i nch extensi on. The l i ds shal l have a l egend wi t h 1- i nch mi ni muml et t er s t hat r ead “I nt er connect”.

2. Dedi cat ed i nt er connect ed pul l boxes shal l be i nst al l ed adj acent t o t het r af f i c si gnal pul l boxes at i nt er secti ons.

3. A 3- i nch condui t shal l be i nst al l ed t o t he t r af f i c si gnal cabi net f r om

t he cl osest i nt er connect pul l box.

Q. Al l t r enches i n exi st i ng pavement shal l be sl ur r y back- f i l l ed and T- t opped.

R. A mi ni mum of one #7 pul l box, wi t h extensi on, shal l be i nst al l ed on eachcor ner of t he i nt er sect i on, and at each f i ber opt i c i nt er connect l ocat i on.

S. Cont r ol l er oper at i on shal l be NEMA dual r i ng. Phase 2 shal l be used f or t hemai n st r eet t hr ough movement , ei t her t he east bound or nor t hbound di r ect i on.

 T. Fl ashi ng mode shal l be al l r ed.

Page 160: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 160/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 160 Effective May 17, 2012

Sections:

13-16-003  Signal Equipment13-16-003-0001  Required/Approved Product List13-16-003-0002  Controller Cabinets

13-16-003-0003  Electrical Serv ice13-16-003-0004  Uninterruptable Power Supply System

13-16-003-0005  Pull Boxes13-16-003-0006  Traffic Signal Mounting Assemblies

13-16-003-0007  Traffic Signal Heads and Indications16—03-003-0008  Pedestrian Signals

16-03-003-0009  Painting of Traffic Signals13-16-003-0010Detection Systems

Section 13-16-003 Signal Equipment

Section 13-16-003-0001 Required/Approved Product List

 The Ci t y Tr af f i c Engi neer mai nt ai ns a l i st of t r af f i c si gnal components andpr oduct s t hat are ei t her r equi r ed to be used, or t hat ar e pr e- appr oved f or usei n Ci t y of Fl agst af f t r af f i c si gnal s. Thi s l i st i s updat ed as new pr oducts andt echnol ogi es come ont o t he market . Because of communi cat i on, compat i bi l i t y, andi nvent ory concer ns, cert ai n component s are speci f i ed by manuf acturer and model .Al t er nat i ves t o t hese component s wi l l not be accept ed i n new si gnali nst al l at i ons. Addi t i onal component s ar e al so speci f i ed by manuf act ur er andmodel . Submi t t al of component s f or appr oval as ‘ equal ’ t o i t ems on t he l i st mayr equi r e t he submi t t al of addi t i onal i nf or mat i on or pr oduct sampl es f or t est i ngand revi ew bef or e accept ance i n a speci f i c si gnal desi gn.

Section 13-16-003-0002 Controller Cabinet 

A. Cabi net shal l be NEMA TS2, Type One desi gn wi l l al l i nput s and out put st hr ough BI U i nt er f ace. The back panel shal l i ncl ude 16 l oad swi t ch bays.

B. The si gnal cabi net shal l be unpai nt ed al umi num, and pr ovi ded wi t h andmount ed on a 16- i nch hi gh al umi num el evat or base.

C. The cabi net shal l i ncl ude a vehi cl e detect i on r ack t o accommodat e 16channel s of det ect i on.

D. The cabi net shal l i ncl ude a t el emet r y i nt er f ace.

E. The cabi net shal l pr ovi de mount i ng f or f our channel s of 3M Opt i com pr e-empt i on.

F. The cabi net shal l i ncl ude a GPS based t i me cl ock wi t h di gi t al di spl ay, whi chcan suppl y a moment ary dr y rel ay cl osur e to the cont r ol l er pr ogr ammabl e f orany hal f - hour of t he day.

Section 13-16-003-0003 Electrical Service Cabinet 

A. El ect i on Ser vi ce Cabi net :

1. Shal l be a pedest al t ype, mount ed separ at e f r om t he t r af f i c si gnal

Page 161: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 161/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 161 Effective May 17, 2012

cabi net unl ess ot her wi se speci f i ed.

2. Shal l pr ovi de metered number s 120\ 240 vac power f or si gnal and l i ght i ngl oads.

3. Shal l i ncl ude a 100 amp mai n di sconnect f or al l under gr ound servi ceconduct ors.

4. Shal l pr ovi de space f or a mi ni mum of ei ght one- i nch ci r cui t br eaker s.

5. Shal l be of suf f i ci ent si ze t o per mi t t hr ee t wo- i nch condui t s to ent ert he cust omer sect i on of t he encl osur e.

6. The el ect r i cal servi ce cabi net may be combi ned wi t h t he UPS syst emcabi net and equi pment .

Section 13-16-003-0004 Uninterruptible Power Supply System

A t r af f i c si gnal UPS syst em shal l be suppl i ed. The UPS syst em shal l i ncl udef our bat t er i es of suf f i ci ent amp- hour r at i ng t o suppor t t he cont i nuous f ul loper at i on of a t r af f i c si gnal dr awi ng 1000- wat t s f or a mi ni mum of f our ( 4)hour s; t he UPS shal l not oper at e t he st r eet l i ght i ng. The t r ansf er swi t ch shal lbe manual l y operat ed and shal l accommodate t he r emoval of t he syst em cont r oluni t and bat t er i es whi l e t he si gnal i s oper at i ng on l i ne power . The UPS systemshal l i ncl ude pr ovi si ons f or gener at or oper at i on on a si gnal i ncl udi ng a ut i l i t yaccept abl e kni f e type t r ansf er swi t ch and a NEWA Type L14- 30R cord i nl et wi t h awal kabl e cover .

Section 13-16-003-0005 Pull Boxes

Onl y pol ymer concret e f i ber gl ass r ei nf or ced pul l boxes, l i ds and extensi onsshal l be i nst al l ed. Pul l box l i ds wi l l be mar ked “Tr af f i c Si gnal . ”

Section 13-16-003-0006 Traffic Signal Mounting Assemblies

A. Al l mount i ng assembl i es shal l be ADOT st andar d t ypes, manuf act ur ed ofbr onze.

B. Al l mount i ng har dwar e shal l have cast ser r at i ons. Ser r ated l ocki ng r i ngswi l l not be per mi t t ed.

C. ADOT Type I I mount s wi l l be used f or al l overhead si gnal s. Type I mountswi l l not be per mi t t ed.

Section 13-16-003-0007 Traffic Signal Heads and Indications 

A. Al l si gnal heads shal l be shi pped f ul l y assembl ed. Back pl at es and vi sor smay be packaged and shi pped separ at el y f or f i el d i nst al l at i on.

B. Al l si gnal head back pl at es shal l be made f r om one pi ece of anodi zed f l atbl ack 16- gauge al umi num sheet havi ng a non- l ouver ed, f i ve- i nched border .

C. Al l vehi cl e si gnal s i ndi cat i ons shal l be l i ght emi t t i ng di ode ( LED modul es,whi ch meet t he r equi r ement s of I TE VTCSH Standar ds.

Page 162: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 162/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 162 Effective May 17, 2012

Section 13-16-003-0008 Pedestrian Signals.

Al l pedest r i an si gnal i ndi cat i ons shal l be LED count down t ype unl ess other wi sespeci f i ed. Modul es shal l have f i l l ed, not out l i ned hand and man di spl ays.Modul es shal l meet t he r equi r ement s of I TE BTCSH Standar ds.

Section 13-16-003-0009 Painting and Traffic Signals 

A. Al l met al sur f aces of t r af f i c si gnal heads, pedest r i an si gnal heads, pushbut t on assembl i es and mount i ng f r amework shal l be pre- t r eat ed andel ectr ost at i cal l y power coat ed f l at bl ack.

B. Al l t r af f i c si gnal pol es, si gnal mast ar ms, l umi nar e mast ar ms and l umi nar ehousi ngs shal l be pai nt ed Sherwi n Wi l l i ams Dr yl ac RAL6012 or appr oved equal .Al t er nat i ve col ors may be accept ed i f appr oved by t he Ci t y Engi neer .

C. Pr i or t o pai nt i ng, pol es and mast ar ms shal l be gal vani zed i nsi de and out . The sur f aces t o be pai nt ed shal l be aci d washed and cl eaned pr i or t opai nt i ng. Gal vani zed coat i ngs on sur f aces not bei ng pai nt ed shal l bepr otect ed f r om t he aci d wash.

D. Lumi nar e housi ngs shal l be pai nted i n accordance wi t h ADOT Standar dSpeci f i cat i ons, Sect i on 610 and 1002.

Section 13-16-003-0010 Detection Systems

A. A compl et e t r af f i c si gnal vi deo det ecti on syst em shal l be i nst al l ed f orvehi cl e det ecti on.

1. A compl et e syst em f or modi f i cat i ons to exi st i ng si gnal i zedi nt er sect i ons ut i l i zi ng NEMA TS1 cabi net s shal l i ncl ude camer as,housi ng ( wi t h l ens heat er ) , mount i ng assembl i es, cabl es and f i t t i ngs,

i ndi vi dual l y f used power suppl i es f or each camer a, vi deo pr ocessormodul es, i nt er f ace t o NEMA TS2- Type1 cont r ol l er, and a 12- i nch bl ackand whi t e moni t or f or each si gnal .

2. A compl et e t r af f i c si gnal vi deo det ect i on syst em f or NEMA TS2i nstal l at i ons shal l i ncl ude:

( a) A syst em ar chi t ect ur e t hat f ul l y suppor t s Et her net net wor ki ng ofsyst em component s t hr ough a vari et y of i ndust r y st andard andcommer ci al l y avai l abl e i nf r astr uct ur es t hat are used i n t het r af f i c i ndust r y. The data communi cat i ons shal l suppor t di r ectconnect , [ modem, ] and mul t i - dr op i nt er connect s. Si mpl e, st andardEt her net wi r i ng shal l be suppor t ed t o mi ni mi ze over al l system costand i mpr ove r el i abi l i t y, ut i l i z i ng exi st i ng i nf r astr uctur e andease of syst em i nst al l at i on and mai nt enance. Both st r eami ng vi deoand data communi cat i ons shal l opt i onal l y be i nt er connect ed overl ong di st ances t hr ough f i ber opt i c, mi cr owave, or other commonl yused di gi t al communi cat i ons t r anspor t conf i gur ati ons.

( b) A system net wor k sof t war e appl i cat i on si de i nt egr ated t hr ough acl i ent - ser ver r el at i onshi p. A communi cat i ons ser ver appl i cat i onshal l pr ovi de the dat a communi cat i ons i nterf ace between as f ew asone t o as many as hundr eds of Machi ne Vi si on Processor ( MVP)

Page 163: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 163/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 163 Effective May 17, 2012

sensors and a number of cl i ent appl i cat i ons. The cl i entappl i cat i ons shal l ei t her be hosted on t he same PC as t hecommuni cat i ons ser ver or may be di st r i but ed over a l ocal areanet work of PC’ s usi ng the i ndust r y st andard TCP/ I P net workpr ot ocol . Mul t i pl e cl i ent appl i cat i ons shal l execut e

si mul t aneousl y on t he same host or mul t i pl e host s, dependi ng ont he net wor k conf i gur ati on. Addi t i onal l y, a web- br owser i nt er f aceshal l al l ow use of i ndust r y st andar d I nt er net web br owser s t oconnect t o MVP sensors f or setup, mai nt enance, and pl ayi ng di gi t alst r eami ng vi deo.

( c) Vi deo system har dware shal l consi st of t hr ee component s: 1) acol or , 22x zoom, MVP sensor 2) a modul ar cabi net i nt er f ace uni t 3)a communi cat i on i nt er f ace panel . Addi t i onal l y, an opt i onalper sonal comput er ( PC) shal l host t he ser ver and cl i entappl i cat i ons t hat ar e used t o pr ogr am and moni t or t he systemcomponents. The r eal - t i me per f ormance shal l be obser ved byvi ewi ng t he vi deo out put f r om t he sensor wi t h over l ai d f l ashi ngdet ect or s t o i ndi cat e t he cur r ent det ect i on st at e ( on/ of f ) . TheMVP sensor shal l opt i onal l y st or e cumul at i ve t r af f i c stati st i csi nt er nal l y i n non- vol at i l e memor y f or l at er r et r i eval andanal ysi s.

( 1) The MVP shal l communi cat e to t he modul ar cabi net i nt erf aceuni t vi a t he communi cat i ons i nt er f ace panel and the sof t wareappl i cat i ons usi ng the i ndust r y st andar d TCP/ I P net wor kpr ot ocol . The MVP shal l have a bui l t - i n, Et her net - r eady,I nt er net Pr otocol ( I P) addr ess and shal l be addr essabl e wi t hno pl ug i n devi ces or conver t er s r equi r ed. The MVP shal lpr ovi de st andard MPEG- 4 st r eami ng di gi t al vi deo. Achi evabl ef r ame r at es shal l var y f r om 5 t o 30 f r ames/ sec as a f unct i onof vi deo qual i t y and avai l abl e bandwi dth. The MVP sensor

embedded sof t ware shal l i ncor porat e mul t i pl e appl i cat i onst hat perf orm a var i et y of di agnost i c , i nstal l at i on, f aul tt ol er ant oper at i ons, dat a communi cat i ons, di gi t al vi deost r eami ng, and vehi cl e det ect i on pr ocessi ng. The detect i onshal l be rel i abl e, consi st ent , and per f or m under al l weat her ,l i ght i ng, and t r af f i c congest i on l evel s. An embedded webserver shal l per mi t st andard i nt ernet br owsers t o connect andper f or m basi c conf i gur at i on, mai nt enance, and vi deo st r eami ngser vi ces.

( 2) Ther e shal l be a sui t e of cl i ent appl i cat i ons that r esi de ont he host cl i ent / ser ver PC. The appl i cat i ons shal l execut eunder Mi cr osof t Wi ndows XP, Vi st a or Wi ndows 7. Avai l abl ecl i ent appl i cat i ons shal l i ncl ude: mast er net wor k br owser ,conf i gur at i on set up, oper at i on l og, sof t war e i nst al l ,st r eami ng vi deo pl ayer , data ret r i eval , and communi cat i onsser ver f uncti ons.

( 3) The modul ar cabi net i nt er f ace uni t shal l communi cat e di r ect l ywi t h up t o ei ght ( 8) MVP sensor s and shal l compl y wi t h t hef or m f actor and el ectr i cal char acter i st i cs t o pl ug di r ectl yi nt o a NEMA t ype C or D det ect or r ack pr ovi di ng up to t hi r t y-t wo ( 32) i nput s and si xty- f our ( 64) out put s or a 170 i nput

Page 164: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 164/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 164 Effective May 17, 2012

f i l e r ack pr ovi di ng up t o si xt een ( 16) cont act cl osur e i nput sand t went y- f our ( 24) cont act cl osur e out put s t o a t r af f i cs i gnal cont r ol l er .

( 4) The communi cat i on i nt er f ace panel shal l pr ovi de f our ( 4) set s

of t hr ee ( 3) el ect r i cal t er mi nat i ons f or t hr ee- wi r e powercabl es f or up t o ei ght ( 8) MVP sensor s t hat may be mounted ona pol e or mast ar m wi t h a t r af f i c si gnal cabi net or j unct i onbox. The communi cat i on i nt er f ace panel shal l pr ovi de hi gh-ener gy tr ansi ent pr ot ecti on t o el ectr i cal l y pr ot ect t hemodul ar cabi net i nterf ace uni t and connected MVP sensor s.

 The communi cat i ons i nt er f ace panel shal l provi de si ngl e- poi ntEt her net connect i vi t y vi a RJ 45 connect or f or communi cat i on t oand bet ween the modul ar cabi net i nt er f ace modul e and the MVPsensor .

B. The Ci t y Tr af f i c Engi neer i ng Sect i on may r equi r e t he i nst al l at i on ofi nduct i ve l oop det ect or s, due t o speci al condi t i ons.

1. Al l i nduct i ve pr esence det ect i on l oops shal l be quadr upol e desi gn.

2. Pref ormed l oop det ect ors ar e pr ef er r ed, however , cut i n pl ace l oopsshal l be consi der ed when appr opr i ate.

3. St andar d l oop conf i gur at i on shal l be:

a. Lef t t ur n l anes r equi r ed a 6 X 40 f r ont l oop and a 6 X 20 r ear l oopseparat ed by 12 f eet .

b. Thr ough and r i ght t ur n l anes r equi r e a 6x50 l oop.

c. Bi ke l anes r equi r ed a 3 X 10 l oop.

d. Hi gh- speed appr oaches may requi r e one more 6 X 6 square advanceextensi on l oops per l ane.

4. Loop det ect or ampl i f i er s shal l be t wo channel uni t s wi t h pr ogr ammabl eext ensi on and del ay t i mi ng.

C. Pedest r i an push but t on st at i ons shal l be ADOT Type 2 desi gn and shal l be ADAcompl i ant . But t ons shal l ut i l i ze PEI ZO- El ect r i c swi t chi ng and pr ovi devi sual and audi bl e i ndi cat i ons of acti vat i on.

D. Si ngl e channel dual det ect i on Gl obal Tr af f i c Technol ogi es Opt i com EVPdet ect or s shal l be i nst al l ed on al l appr oaches. Det ect or s shal l bei nst al l ed on a band- on mount i ng br acket . GTT Opt i com cabl e shal l beut i l i zed.

Page 165: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 165/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 165 Effective May 17, 2012

Sections:

13-16-004  Signal Construction13-16-004-0001  General13-16-004-0002  Damage to Signal Equipment

13-16-004-0003  Controller Cabinet13-16-004-0004  Construction Procedure, Scheduling, and Inspection

13-16-004-0005  Activation13-16-004-0006  Documentation and Warranties

Section 13-15-004 Signal Construction

Section 13-16-004-0001 General 

A. The l ocat i on of ut i l i t i es shown on pl ans i s appr oxi mat e and al l ut i l i t i esmay not be shown. The cont r actor i s r esponsi bl e, per Sect i on 730- 6 of t heADOT St andar d Speci f i cat i ons, f or cont acti ng al l ut i l i t i es f or exactl ocat i on pr i or t o excavat i on.

B. The cont r act or shal l be r esponsi bl e f or t he ‘ bl uest ake’ l ocat i on ofunder gr ound si gnal ut i l i t i es unt i l f i nal accept ance.

C. The cont r actor shal l mai nt ai n a saf e and secur e worksi t e dur i ng worki ng andnon- worki ng hour s.

Section 13-16-004-0002 Damage to Signal Equipment 

A. The cont r act or shal l i mmedi atel y repor t any damage t o t r af f i c si gnalequi pment t o the ci t y i nspect or .

B. Cost s r el at ed t o t he r epai r or r epl acement of damaged t r af f i c si gnal

equi pment as a r esul t of t he cont r act or’ s negl i gence shal l be borne by thecont r actor.

C. Damage t o t r af f i c si gnal equi pment , i ncl udi ng cont r ol l er cabi net andequi pment , det ect i on l oops, pul l boxes, condui t , wi r e and cabl es, pol es,mast arms, si gnal heads or r el ated equi pment as a r esul t of pr oj ect work i st he r esponsi bi l i t y of t he cont r act or . Damage shal l be r epai r ed by an I MSAcer t i f i ed Tr af f i c Si gnal Level I I Techni ci an. A Ci t y of F l agstaf f Traf f i cSi gnal t echni ci an shal l i nspect t hese r epai r s.

1. A si gnal cannot be dark f or more t han one hour .

2. A si gnal cannot r emai n i n f l ash f or more t han f our hour s.

3. Damage detect i on l oops shal l be r epl aced wi t hi n t wo weeks unl ess t heCi t y agr ees i n wr i t i ng t o a l onger per i od.

4. Vi deo det ect i on and pedest r i an det ect i on shal l be r epai r ed wi t hi nt went y- f our hour s.

5. A l oss of communi cat i ons shal l be r epai r ed wi t hi n t went y- f our hour s.

D. I f t he cont r act or cannot r espond, or cannot compl et e t he r epai r s wi t hi n t he

Page 166: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 166/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 166 Effective May 17, 2012

speci f i ed t i me, t he Ci t y of Fl agst af f Tr af f i c Si gnal Shop wi l l compl et er epai r s. The cont r act or shal l be charged f or these r epai r s. The amountcharged f or each r epai r shal l be t he gr eat er of ei t her t he act ualaccumul at ed char ge f or empl oyee t i me, mat er i al s and equi pment , or t hemobi l i zati on cost of a two- per son crew wi t h ser vi ce t r uck f or t wo hour s pl us

mater i al s and equi pment . Charges f or empl oyee t i me shal l i ncl ude ci t yover head cost s. Mat er i al s wi l l be bi l l ed at r epl acement cost , i ncl udi ngt axes and f r ei ght . Equi pment r ates wi l l be based upon t he most r ecentschedul e of equi pment r ent al r ates f or f orce account work, as appr oved byt he Ar i zona Depart ment of Transpor t at i on.

E. I f t her e i s a pr obl em wi t h a t r af f i c s i gnal t hat i s not t he r esul t of t hecont r act or ’ s or a subcont r act or ’ s wor k, t he Ci t y of Fl agst af f Si gnal Shopwi l l r espond. I f i t i s det er mi ned t hat t he cont r act or ’ s wor k caused t hepr obl em, t he cont r act or shal l pay al l cost s of t he r epai r wor k as descr i bedabove.

Section 13-16-004-0003 Controller Cabinet

A. The t r af f i c si gnal cont r ol l er cabi net and al l cont r ol l er equi pment shal l bedel i ver ed t o t he Ci t y of Fl agst af f Tr af f i c Si gnal Shop, 500 N. Azt ec St r eet ,f or t est i ng and i nspect i on a mi ni mum of t wo weeks bef ore expect edi nst al l at i on. Modi f y ADOT St andar d Speci f i cat i on 734- 2. 01 t o change al lr ef er ences f r om t he Depar t ment t o t he Ci t y of Fl agst af f . Cont act t he seni orsi gnal t echni ci an at 928- 774- 0810 t o schedul e del i ver y.

B. Af t er t est i ng i s compl et e, t he cont r act or shal l pi ck up, t r anspor t , andi nst al l t he cabi net at t he i nt er secti on. The Ci t y si gnal t echni ci an wi l lconnect al l wi r i ng i nsi de t he cont r ol cabi net .

Section 13-16-004-0004 Construction Procedure, Scheduling, and Inspection

A. At l east one I nt er nat i onal Muni ci pal Si gnal Associ at i on ( I MSA) cer t i f i ed Tr af f i c Si gnal Level I I t echni ci an shal l be on si t e dur i ng al l t r af f i csi gnal wor k. Pr i or t o t he st ar t of const r ucti on, t he cont r actor shal lpr ovi de t he Ci t y wi t h a l i st of I MSA cer t i f i ed per sonnel . I f a j ob si t ei nspecti on r eveal s t hat a cer t i f i ed t echni ci an i s not on si t e, t he j ob wi l lbe shut down.

B. The cont r act or shal l wor k wi t h t he Ci t y’ s assi gned of f si t e i nspect orr egar di ng i nspect i ons, mat er i al and ot her pr oj ect - r el at ed i ssues. A ci t yt r af f i c s i gnal t echni ci an wi l l pr ovi de t echni cal suppor t t o the of f s i t ei nspector.

C. Cont r act or r equest s f or i nspect i on shal l be submi t t ed 24 hour s pr i or t o t her equest ed i nspect i on.

D. Const r uct i on i nspect i ons shal l i ncl ude, but ar e not l i mi t ed t o, t hef ol l owi ng:

1. A f i el d meet i ng pr i or to pr oj ect st ar t .

2. Bef or e backf i l l i ng t r enches and bor i ng pi t s, and bef ore cover i ngcondui t .

Page 167: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 167/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 167 Effective May 17, 2012

3. Bef or e f i l l i ng pul l box excavat i ons wi t h aggr egat e.

4. Bef ore excavat i ng pol e and cabi net f oundat i ons.

5. When pol e f oundat i ons ar e r eady f or concr et e.

6. When pl aci ng concr et e f or f oundat i ons.

7. Af t er i nstal l at i on of t he el ectr i cal ser vi ce cabi net .

8. Af t er i nstal l at i on of t he s i gnal cabi net .

9. Bef ore above- gr ound const r uct i on begi ns.

10. Pr i or t o dr i l l i ng si gnal pol es f or mount i ng har dwar e.

11. Pr e- t ur n- on i nspect i ons t o ver i f y si gnal compl et i on and oper at i on.

12. Pr i or t o pl acement of per manent si gni ng and pavement marki ngs.

E. The el ect r i cal ser vi ce cabi net shal l be i nspect ed and appr oved by t he ci t yel ect r i cal i nspect or pri or t o a r equest f or APS ser vi ce connect i on. TheCi t y wi l l suppl y a str eet addr ess f or el ectr i cal bi l l i ng.

F. The cont r act or shal l be r esponsi bl e f or cont act i ng, and coor di nat i ng wi t hAPS and f or meet i ng al l servi ce connect i on r equi r ement s.

G. The pl acement of l oop det ect or s shal l be f i el d ver i f i ed bef or e i nst al l at i on.

H. Cut i n pl ace l oop det ect ors shal l be t est ed i n accordance wi t h ADOTspeci f i cat i ons. Det ect or s not passi ng t hi s i nspect i on wi l l not be accept ed.

I . The cont r act or shal l have al l above- gr ound equi pment on si t e bef orebegi nni ng any of t he above- gr ound i nst al l at i on. Once above- ground workbegi ns, i t shal l pr oceed cont i nuousl y, unt i l t est i ng r eveal s t hei nst al l at i on i s r eady f or t he t ur n- on t o be schedul ed.

 J . Erect i on of t he t r af f i c si gnal suppor t s shal l not begi n unt i l :

1. The si gnal cabi net has been shop- t est ed and i nst al l ed.

2. The el ect r i cal ser vi ce cabi net has been i nst al l ed and ener gi zed.

K. Above- gr ound const r uct i on pr ocedur e:

1. Al l t r af f i c si gnal and pedest r i an heads wi l l be “bagged” as they ar ei nst al l ed. Pr oposed mat er i al f or si gnal baggi ng shal l be i ncl uded wi t hmater i al submi t t al s f or appr oval . Si gnal or pedest r i an heads baggedwi t h unappr oved mat er i al s shal l be r emoved i mmedi atel y unt i l appr ovedbaggi ng mat er i al i s avai l abl e. The baggi ng mat er i al wi l l not ber emoved unt i l t he si gnal t urn on has begun.

2. I nst al l si gnal pol es and l umi nar e mast arms.

3. I nst al l si gnal mast arms and heads f or st opsi gn- cont r ol l ed appr oaches.

Page 168: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 168/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 168 Effective May 17, 2012

Si gnal mast ar ms shal l not be i nst al l ed f or nonst op- cont r ol l edappr oaches at t hi s t i me.

4. I nst al l al l under gr ound wi r e and cabl e.

5. I nst al l and wi r e pol e mount ed si gnal hardware, vehi cl e and pedest r i ansi gnal i ndi cat i ons, pedest r i an pushbut t ons, and vi deo det ect i onequi pment .

6. Test al l pol e mount ed equi pment i n t he pr esence of t he i nspect or . Whenal l f oundat i on gr ounds, wi r i ng, vehi cl e and pedest r i an i ndi cat i ons,vehi cl e and pedest r i an det ect i on, and st r eet l i ght i ng have been test edt r oubl e- f r ee, t he i nt er secti on wi l l be schedul ed f or t ur n on.

7. On t he schedul ed dat e f or t urn on, r emai ni ng si gnal mast arms and headsshal l be i nst al l ed. Al l vehi cl e and pedest r i an i ndi cat i ons, vehi cl eand pedest r i an det ect i on wi l l agai n be test ed i n t he pr esence of a ci t yi nspect or . Fol l owi ng a t est , whi ch r eveal s no mal f unct i ons, t he si gnalwi l l i mmedi atel y be t ur ned on.

Section 13-16-004-0005 Activation

A. Nor mal l y, t ur n on wi l l be wi t hout an extended f l ashi ng per i od. Thecont r actor shal l pr ovi de a pol i ce of f i cer t o cont r ol t r af f i c t hr oughout t het ur n- on pr ocess, unl ess al t er nat e t r af f i c cont r ol i s submi t t ed and appr ovedby t he ci t y Tr af f i c Engi neer i ng Sect i on pr i or t o t he schedul ed t ur n on.

B. Appr opr i at e shor t - t er m advance const r uct i on t r af f i c cont r ol si gnage war ni ngof t he new si gnal and change i n t r af f i c cont r ol shal l be i ncl uded i n t hedesi gn. ‘ TRAFFI C SI GNAL AHEAD’ si gnage shal l be pl aced dur i ng t he houri mmedi at el y bef ore t ur n on and t aken down 30 days af t er t urn on, unl essdi r ect ed ot her wi se by t he ci t y Tr af f i c Engi neer i ng Sect i on. Si gns may be

pr e- pl aced and cover ed unt i l si gnal act i vat i on.

C. Per manent pavement marki ngs speci f i c t o t he operat i on of t he t r af f i c si gnalsuch as st op bars, l ane use marki ngs, si gnal ahead si gns, or ot hernot i f i cat i ons shal l not be i nst al l ed mor e t han 24 hour s pr i or t o si gnal t ur non, but must be i nst al l ed wi t hi n one hour af t er t ur n on, unl ess ot her wi sedi r ect ed by t he Ci t y Tr af f i c Engi neer .

Section 13-16-004-0006 Documentation and Warranties

A. Pr i or t o f i nal accept ance, t he cont r act or shal l document and pr ovi de t o t heCi t y t he f ol l owi ng document at i on:

1. Const r uct i on pl ans – 1 copy i n di gi t al f or mat ( . dwg) .

2. Si gnal cabi net pl ans – 3 pr i nt ed copi es, one myl ar copy, and 1 copy i ndi gi t al f or mat ( . dwg) .

3. As- bui l t pl ans - 3 pr i nt ed copi es and one myl ar copy.

4. Operat i on and mai nt enance manual s f or al l t r af f i c si gnal equi pment andsyst ems shal l be pr ovi ded i n pr i nt ed and di gi t al f or mat ( . pdf ) .

Page 169: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 169/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 169 Effective May 17, 2012

B. The cont r act or shal l pr ovi de and document t he f ol l owi ng warr ant i es,ef f ecti ve f r om t he dat e of f i nal accept ance:

1. Fi ve year s f or t he t r af f i c si gnal cont r ol l er and t r af f i c si gnal LEDmodul es.

2. One year f or al l ot her equi pment , mater i al s, and l abor, i ncl udi ngset t l ement of t r enches.

Sections:

13-16-005  Traffic Signs

13-16-005-0001 Traffic Signs13-16-005-0002 Sign Installation

Section 13-16-005-0001 Traffic Signs

A. Pedest r i an push but t on si gns shal l be R10- eb, or R10- 3e t o mat ch t hepedest r i an si gnal di spl ay.

B. Ci t y of Fl agst af f Engi neer i ng St andar d Det ai l s 10- 03- 010  and 10- 03- 020  ,St r eet Name Si gns, shal l be mount ed on each pol e mast ar m per ADOT St andar dDr awi ng S- 9.

Section 13-16-005-0002 Sign Installation

A. Traf f i c si gns shal l be i nst al l ed on square t ube post per ADOT Si gni ng andMarki ng St andard Dr awi ngs Det ai l S- 1. Mater i al s shal l meet t he requi r ement sof ADOT SS 607. Al l si gns shal l ut i l i ze hi gh i nt ensi t y pr i smat i c sheet i ngt o compl y wi t h M. U. T. C. D. r et r or ef l ect i vi t y st andar ds.

B. Exi st i ng si gns and post s whi ch ar e di st ur bed by a pr oj ect shal l be r epl acedwi t h new HI P si gns and squar e t ube posts. Exi st i ng si gns and posts shal lnot be r el ocat ed.

Sections:

13-16-006  Pavement Markings

13-16-006-0001  Longitudinal Pavement Markings

13-16-006-0002  Transverse Markings, Symbols, and Legends

Section 13-16-006-0001 Longitudinal Pavement Markings

A. Per manent Marki ngs: Per manent pavement marki ngs shal l be i nst al l ed i n

accor dance wi t h ADOT St andard Speci f i cat i on 708.

B. Tempor ary Marki ngs: Tempor ary l ongi t udi nal pavement marki ngs, whenappr oved, shal l be i nst al l ed i n accordance wi t h ADOT St andard Speci f i cat i on701- 3. 05.

C. Thi s i t em of wor k shal l appl y t o al l l ongi t udi nal pavement mar ki ngs andother pavement marki ngs not speci f i ed t o be pr e- f ormed pl ast i c.

Section 13-16-006-0002  Transverse Markings, Symbols, and Legends

Page 170: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 170/382

CHAPTER 13-16

TRAFFIC SIGNALS, SIGNNG, AND PAVEMENT MARKINGS

Engineering Design Standards 170 Effective May 17, 2012

A. Transver se Pavement Marki ngs shal l be ei t her :

1. Appl i ed t hermopl ast i c i n accor dance wi t h ADOT SS 704, mi ni mum 90 mi lappl i ed t hi ckness, or

2. Pref ormed mar ki ngs i n accor dance wi t h ADOT SS 705.

3. Tempor ar y Marki ngs: Tempor ar y t r ansver se pavement mar ki ngs, whenapproved, shal l be i nst al l ed i n accor dance wi t h ADOT Standar dSpeci f i cat i on 701- 3. 05.

4. Thi s i t em of wor k shal l appl y t o al l l ane use ar r ows, al l t r ansver sepavement marki ngs such as cr osswal ks and st op bar marki ngs, and al lpavement l egend marki ngs except t hose r equi r ed f or bi cycl e l anes.

Page 171: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 171/382

CHAPTER 13-17

EROSION CONTROL

Engineering Design Standards 171 Effective May 17, 2012

CHAPTER 13-17

EROSION CONTROL

Sections:

13-17-001  Erosion ControlSection 13-17-001Erosion Control

 The cont r act or shal l compl y wi t h al l of t he provi si ons of t he Ci t y of Fl agst af fSt ormwater Desi gn Manual r el at i ng t o er osi on cont r ol .  

Page 172: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 172/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 172 Effective May 17, 2012

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Sections:

13-18-001  Intent, Purpose, Applications, and Enforcement/Waiver

13-18-002  Landscape Design13-18-003  Material Selection

13-18-004  Installation, Placement, and Planting13-18-005  Maintenance

13-18-006  Tree Protection Measures13-18-007  City of Flagstaff Rights13-18-008  Enforcement

13-18-009  Definitions, Tables, and Selected Details

13-18-001  Intent, Purpose, Application, and Enforcement/Waiver13-18-001-0001  Intent, Purpose, Application, and Enforcement/Waiver

13-18-002  Landscape Design

13-18-002-0001  Preface13-18-002-0002  Nomenclature13-18-002-0003  General Design Goals

13-18-002-0003.1  Context Sensitive Design13-18-002-0003.2  Complete Streets

13-18-002-0003.3  Other General Design Goals

13-18-002-0004  Quantitative Landscape Design Parameters13-18-002-0004.1  Table Notes13-18-002-00054  Project Metrics

13-18-003  Material Selection

13-18-003-0001  General Requirements13-18-003-0002  Irrigation

13-18-003-0003  Trees13-18-003-0003.1 Pre-Approved Trees

13-18-003-0003.2  Prohibited Trees13-18-003-0004  Shrubs13-18-003-0004.1  Pre-Approved Shrubs

13-18-003-0005  Ground Cover

13-18-003-0005.1  Pre-approved Groundcover 13-18-003-0006  Landscape Materials

13-18-003-0006.1  Mulch13-18-003-0006.2  Pre-Approved Mulch13-18-003-0006.3  Root Barrier

13-18-003-0006.4  Pre-emergent Weed Control

13-18-003-0006.5  Weed Barrier13-18-003-0006.6 Tree Wrap

13-18-003-0006.7  Planting Soils13-18-003-0006.8  Landscape Fabric13-18-003-0007  Furnishings

13-18-004  Installation, Placement, and Planting13-18-004-0001  General Requirements13-18-004-0001.1  Execution

13-18-004-0001.2  Safety

Page 173: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 173/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 173 Effective May 17, 2012

13-18-004-0002  Warranty

13-18-004-0003  Finish Grading

13-18-004-0003.1  Berms13-18-004-0003.2  Drainage Courses13-18-004-0004  Pre-Installation Weed Control Treatment

13-18-004-0005  Trees13-18-004-0005.1  Street Trees

13-18-004-0005.2  Urban Street Trees13-18-004-0005.3  Root Control

13-18-004-0005.4  Structural Soils13-18-004-0005.5  Root Barriers

13-18-004-0005.6  Staking13-18-004-0005.7  Wrapping13-18-004-0006  Hardscape

13-18-004-0007  Landscape Boulders and Rockwork

13-18-004-0008  Hydroseeding

13-18-005  Maintenance13-18-005-0001  Responsibility13-18-005-0002  General Requirements

13-18-005-0003  Irrigation

13-18-006  Tree Protection Measures13-18-006-0001  Tree Protection Measures

13-18-007  City of Flagstaff Rights

13-18-007-0001  City of Flagstaff Rights

13-18-008  Enforcement13-18-008-0001  Enforcement

13-18-009  Definitions, Tables, and Selected Details

13-18-009-0001  Definitions

13-18-001 Intent, Purpose, Application, and Enforcement/Waivers

13-18-001-0001 Intent, Purpose, Application, and Enforcement/Waiver

A. I nt ent

 The Ci t y Counci l has r ecogni zed t hat l andscapi ng cont r i butes t o t heaest het i c val ue, qual i t y of l i f e, ambi ance, and economi c val ue of pr oper t i eswi t hi n t he Ci t y of Fl agst af f . These st andards ar e i nt ended t o pr omot evi sual def i ni t i on of st r eet scapes, appr opr i at e speci es sel ecti on, pl ant i ngt echni ques, and manageabl e mai ntenance cost s and t o i mprove t he Ci t y’ s i mageand i ncrease communi t y pr i de.

I t i s t he i nt ent of t he Ci t y Counci l t hat l andscapi ng of t he r i ght - of - wayper t hese st andar ds, i ncl udi ng t he i nst al l at i on of st r eet t r ees, shal l beconsi dered an i nt egr al and necessary part of al l st r eet i mpr ovement s.

B. Pur pose: The pur pose of t hese gui del i nes i s t o or gani ze and present comprehensi vel yt he l andscapi ng st andar ds t hat appl y to al l r i ght s- of - way wi t hi n t he Ci t y ofFl agst af f . These st andar ds cannot be al l - i ncl usi ve or addr ess each uni quesi t e condi t i on. Nor i s i t possi bl e t o meet ever y r equi r ement i n ever y

Page 174: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 174/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 174 Effective May 17, 2012

desi gn sol ut i on. However i t i s possi bl e, and r equi r ed, t o f i nd desi gnsol ut i ons t hat meet t he i nt ent of t hese st andards.

C. Appl i cat i on:

 The Landscape Standards for Rights-of-Ways  shal l appl y t o al l l andscapi ngwi t hi n publ i c r i ght s- of - way.

Publ i c l ands ot her t han r i ght s- of - way: Landscapi ng on publ i c l ands ot hert han r i ght s- of - way, such as par ks and open spaces, are exempt f r om t her equi r ement s of t hese st andar ds. However , t hese st andar ds may be used as abasi s f or const r ucti on and pl ant i ng acti vi t i es on al l publ i c l and.

D. Enf orcement / Wai ver :

Request s t o var y f r om t he Standards  may be di r ect ed i n wr i t i ng t o the Ci t yEngi neer or dul y appoi nt ed desi gnee. Ref er t o Sect i on 13- 06- 002- 0001,Modi f i cat i ons and Appeal s.

13-18-002 Landscape Design

13-18-002-0001 Preface

 Thi s sect i on i dent i f i es and quant i f i es desi r ed “l andscape desi gn concept ” or“t heme” f or r i ght s- of - ways f or t he Ci t y of Fl agst af f .A. The desi gner must r el y on t he di sci pl i ne of l andscape archi t ect ur e and

l andscape archi t ect ur e pr of essi onal s t o det er mi ne t he appr opr i ate l andscapeconcept or t heme f or r i ght s- of - ways.

B. Landscapi ng i s cont ext speci f i c. The cont exts t hr ough whi ch r i ght s- of - wayspass i ncl ude sever al spect r ums, r angi ng f r om ver y nat ur al ar eas t o ver yur bani zed areas, and t hr ough var i ous mi cro- cl i mates, soi l condi t i ons,

t opogr aphy, and many more. The var i ous combi nat i ons of t hese di f f erentspect r ums make up a broad r ange of cont ext s through whi ch r i ght s- of - wayspass.

13-18-002-0002 Nomenclature

For t he pur poses t hat t r ansect s ar e used her ei n, t he par t i cul ar pr oj ect ar eaneed not be a par t of a Tradi t i onal Nei ghborhood Desi gn and need not have mappedt r ansects.

As used i n Fl agst af f , Tradi t i onal Nei ghborhood Desi gn descri bes t he communi t y i nsi x standar d t r ansect s, descri bed as f ol l ows:

 T- 1 – The most r ural , undi st urbed, nat ural l and. T- 2 – Rural , but modi f i ed l ands, i ncl udi ng agr i cul t ural l ands and a r ange of

par k l ands f r om pr i mi t i ve open space par ks t o devel oped par ks, wi t honl y agr i cul t ur al and par k ser vi ng bui l t el ement s.

 T- 3 – The edge ar eas of a t own or ci t y, suburban ar eas char act er i zedpr i mar i l y by l ow densi t y housi ng wi t h l i mi t ed l and use mi xi ng.

 T- 4 – An ar ea t hat i s char act er i zed by hi gher densi t y and a great er mi x ofl and uses, t hough t he resi dent i al char act er i s pr eval ent .

 T- 5 – Typi cal l y a nei ghborhood cent er wi t h a yet hi gher densi t y and a mi x ofl and uses i n whi ch t he commerci al char act er i s domi nant .

 T- 6 – The most urbani zed ar ea; downt own Fl agst af f .

Page 175: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 175/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 175 Effective May 17, 2012

SD – Fi nal l y, i ndust r i al di st r i cts, gat eway si t es, and ot her ar eas t hat ar enot descr i bed by t r ansect s one t hr ough si x, ar e cl assi f i ed as “speci aldi st r i ct s ”.

Gr eat er det ai l i n t he descri pt i ons of t r ansects i s pr ovi ded i n Ti t l e 10,

Fl agst af f Zoni ng Code.

13-18-002-0003 General Design Goals

13-18-002-0003.1 Context Sensitive Design

I n cont ext sensi t i ve l andscape desi gn, l andscapi ng occur s wi t hi n a nat ur al andbui l t envi r onment and speci f i c sol ut i ons shal l r espond i n such a way as to bei nherent l y congr uent . As a whol e, and f or t he var i ous desi gn el ement s t hat makeup the whol e, pr oposed work shal l be compat i bl e wi t h i t s cont ext – “cont ext ”col l ecti vel y ref er r i ng t o t he s i gni f i cant r esour ces of t he pr oper t y i t sel f , t hesur r oundi ng pr oper t i es, and t he nei ghbor hood. Work i s compat i bl e i f i t i sdesi gned t o compl ement t he cont ext s’ si gni f i cant vi sual and physi calchar act er i st i cs, i s cohesi ve and vi sual l y unobt r usi ve i n t er ms of scal e,t ext ur e, and cont i nui t y, and i f i t mai nt ai ns t he over al l pat t er ns of t hecont ext . Compat i bi l i t y ut i l i zes t he basi c desi gn pr i nci pl es of composi t i on,r hyt hm, emphasi s, t r ansi t i on, si mpl i ci t y, and bal ance i n the desi gn.

A. Natur al Cont ext

Fl agst af f , at an el evat i on of appr oxi mat el y 7, 000 f eet , i s at t he base oft he hi ghest mount ai ns i n Ar i zona. The sur r oundi ng t er r ai n gener al l y sl opesaway, i s i nci sed by i nt ermi t t ent dr ai nages, and cont ai ns a wi de r ange ofveget at i on zones, i ncl udi ng r i par i an, semi - ar i d, and coni f er speci es. Thegener al USDA pl ant zone i s Zone 1, t hough mi cr ocl i mat es may al l ow f or Zone 2pl ant mat er i al s. Ei ght l ocal habi t at s ar e i dent i f i ed as ( 1) dry ponder osai pne gor est habi t at ( open woodl and) ; ( 2) hi gh- el evat i on col d moi st habi t at ;

( 3) war m ponder osa pi ne f or est / pi ñon- j uni per woodl and; ( 4) st r eamsi de andmoi st canyon habi t at ; ( 5) mi d- el evat i on sunny meadow habi t at ; ( 6) chaparr alhabi t at ; ( 7) hi gh deser t gr assl and habi t at ; and ( 8) ephemer al st r eams andseasonal r unof f . [ See www. t hearb. org/ ]

Soi l s i n the ar ea vary wi del y i n type and char act er , i ncl udi ng cour se andf i ne gr ai ned mat er i al s and expansi ve cl ays. Hi ghl y per meabl e ci nder soi l sand f r act ur ed r ocks al l ow pr eci pi t at i on t o per col at e. Fl agst af f and t hesur r oundi ng ar ea are underl ai n by a compl ex seri es of vol cani c andsedi ment ary r ocks. The r ock sequence t hat under l i es t he vol cani c f ormat i onscompr i ses a ser i es of consol i dated sedi ment ary f ormat i ons l ai d down pr i or t ot ect oni c di st ur bance and subsequent vol cani c act i vi t y.

Gr oundwater i s general l y f ound around 5, 500 f eet i n dept h. I n some areas,gr oundwater per ched on vol cani c f ormat i ons i s cl ose t o t he sur f ace andsuppl i es seeps and spr i ngs suppor t i ng ver y di ver se ecosystems. . Fl agst af fr ecei ves enough pr eci pi t at i on dur i ng an aver age year t o support asi gni f i cant amount of veget at i on - appr oxi mat el y 21 i nches of pr eci pi t at i ondur i ng t he year , i ncl udi ng an average of 86 i nches of snow. However, t heseamount s are qui t e var i abl e f r om one year t o t he next .

Fl agst af f enj oys over 300 days of sunshi ne per year and l ow humi di t y. Weekscan pass i n spr i ng and autumn wi t hout any r ai n, wher eas t he summer monsoonseason i n J ul y and August br i ngs i nt ense l i ght ni ng and r ai nst orms. I n t he

Page 176: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 176/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 176 Effective May 17, 2012

peak of summer dai l y hi gh t emper at ures r arel y exceed 85 degr ees, t houghwi nt er st or ms and t emper at ur es can be sever e. Wi t h t he l ast ki l l i ng f r ostgener al l y i n May, somet i mes as l ate as J une, Fl agst af f has a 90 to 120 daygr owi ng season.

Fi r e i s a nat ur al and f r equent occur r ence wi t h r oughl y 600 i gni t i ons peryear .

1. Basel i ne Desi gn Theme

Pr eser vat i on of , and compat i bi l i t y wi t h, Fl agst af f ’ s nat ur alenvi r onment i s t he basel i ne desi gn t heme. Landscape desi gns shal lmaxi mi ze t he amount of l and r et ai ned i n i t s nat ur al st ate. Pr oj ect sshal l be desi gned t o pr eserve and pr otect nat i ve vegetat i on,par t i cul ar l y exi st i ng t r ees and at t r act i ve nat ur al f eat ur es. Newl andscapi ng f or r i ght s- of - ways shal l seek the r est or at i on of t henat ur al envi r onment di st ur bed by const r uct i on.

 The basel i ne t heme may var y dependi ng on l ocat i on and use. Forexampl e, l andscapi ng al ong a f orest r oad ( T- 1) may have areas wher et here are t r ees and nat i ve gr asses and other areas wher e j ust nat i vegr asses ar e appr opr i ate. On such a r oad, t he use of nat i ve speci esonl y, and more natural spaci ng, i s appr opr i at e.

B. Ur ban Cont ext

As r i ght s- of - way cont ext s become more urban i n charact er , t he l essappr opr i at e i t i s t o mi mi c t he nat ur al envi r onment . For t he var i oust r ansect s i n between a f orest r oad ( T- 1) and downt own ( T- 6) , t he i mmedi atecont ext and t he degr ee of ur bani t y gui de the desi gn of l andscapi ng t oward anat ur al or ur ban” t heme.

1. Gateways, more st r uct ur ed, ornament al , f ormal , and dense pl ant i ngs areappr opr i at e. They ser ve as an excl amati on poi nt , hi ghl i ght i ng anent r ance or maj or f eat ur e and wel comi ng passersby.

a. Nei ghbor hoods may have a gat eway area, ser vi ng a smal l er scal e areawi t hi n t he ci t y.

b. Not abl y, gat eways ar e r el at i vel y smal l si t es and a par t i cul arl andscape pr oj ect ar ea may be suf f i ci ent l y l ar ge so as t o i ncl ude agateway ar ea as wel l as other cont ext s.

2. Eval uat i on of t he pr oj ect cont ext shal l i ncl ude det er mi ni ng i f t hepr oj ect ar ea i s, or cont ai ns, a gat eway area.

 The desi gner and t he proj ect r evi ew st af f shoul d est abl i sh t he degr ee ofur bani t y, or t r ansect , and shal l est abl i sh t he appr opr i at e l andscapi ngdesi gn measures. The determi nat i on shal l encompass the character of t henei ghborhood as a whol e, i ncl udi ng t he f orest at i on and devel opment on t headj acent pr i vat e pr oper t y; and, t o the gr eat est ext ent possi bl e, shal lconsi der t he pr oposed or desi r ed f ut ur e condi t i ons over exi st i ng condi t i ons.

 Thi s determi nat i on measur es how much devi at i on f r om t he basel i ne desi gnt heme i s appr opr i at e or desi r abl e.

13-18-002-0003.2 Complete Streets

Page 177: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 177/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 177 Effective May 17, 2012

Moder n t r anspor t ati on desi gn r ecogni zes t hat st r eet s ar e a part of publ i c st r eetspace and serve var i ous t r anspor t at i on modes, user s, and uses ( compl etest r eet s) , and t hat an i deal st r eet i s i n f act a pl ace and not si mpl y f or vehi cl econveyance. Landscapi ng i s a cr i t i cal part of compl et e st r eet s and l andscapi ng

desi gn sol ut i ons f or al l r i ght s- of - ways shal l al ways i ncl ude t he pur pose ofpl acemaki ng and t he desi gn of compl ete st r eet s.

A. St r eet Trees

St r eet t r ees pl ant ed i n a par kway separ at i ng t he tr avel l anes f r om t hepedest r i an way i s an i mpor t ant l andscape el ement . Wal kabl e st r eet s pr ovi dea sense of saf et y f or pedest r i ans, sun and wi nd cont r ol , aest het i cs, t r af f i ccal mi ng and much more. St r eet t r ees ar e r equi r ed f or compl ete st r eet s andar e al ways r equi r ed f or l andscapi ng of r i ght s- of - ways.

1. Somet i mes under uni que ci r cumst ances such as r et r of i t s, st r eet t r eesmay be l ocated behi nd t he si dewal k.

2. St r eet t r ees shal l pr ovi de t he shadi ng, vi sual enhancement , andcont i nui t y f or t he st r eet scape. A cont i nuous st r eet edge wi t h t r eesnor mal l y pl aced mi dway between curb and wal k i s r equi r ed.

a. Any exi st i ng speci men or matur e st r eet t r ee shal l r emai n and shal lbe consi der ed a pl ant ed t r ee f or pur poses of meet i ng densi t yr equi r ement s.

b. Tr ee pl acement shoul d consi der vi si bi l i t y of si gnage andst or ef r ont s, as wel l as publ i c vi ews, and shal l be l ocat ed of f setf r om bui l di ng ent r ances.

3. As a gener al r ul e, f or t r ansect s T- 4, T- 5, and T- 6, evenl y spaced

st r eet t r ees ar e r equi r ed.

a. A “skyl i ne”, or “canopy t r ee” f unct i on i n t he desi gn shoul d bei ncl uded, t hough occasi onal ornament al t r ees ar e appr opr i ate.

b. At t he ur ban t r ansect T- 4, , such pl ant i ngs shoul d be mor e r ur al i ncharacter and at t he T- 6 end, t r ees shoul d be pl ant ed i n boxed outpl ant er s wi t h i r on t r ee gr at es.

4. I n r ur al t r ansect s T- 1 and T- 2, t he desi gn of st r eet t r ees, t ypes,densi t y, and pl acement shoul d hel p rest oreet he natur al envi r onment .

a. Thr ough desi gn sol ut i ons, t r ees wi l l bot h f unct i on as a t ypi calst r eet t r ee and as a par t of t he nat ur al cont ext.

5. For ur ban areas i n suburban t r ansect T- 3t hat are more ur ban, t he ur bansol ut i ons i n t r ansect s T- 4, T- 5, and T- 6 shoul d be empl oyed.

6. For nat ur al ar eas, nat ur al st r eet t r ee desi gns i n t r ansect s T- 1 and T- 2ar e appr opr i at e.

a. An area i n t he f orest wi t h l ot si zes measured i n acres may not needevenl y spaced “st r eet t r ees”.

Page 178: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 178/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 178 Effective May 17, 2012

b. An ar ea wi t h smal l l ot s, especi al l y wher e most of t he f orest hasbeen r emoved, t he evenl y spaced pl ant i ng of st r eet t r ees may beappr opr i at e.

A l i st of pr e- appr oved t r ees i s pr ovi ded i n t he Zoni ng Code f ound i n Ti t l e

10 of t he Fl agst af f Ci t y Code.

13-18-002-0003.3 Other General Design Goals

A. Gr adi ng

1. Ri ght s- of - way pr oj ect s shal l concl ude wi t h gr ound f or ms t hat arenat ur al i n char act er . Cont our l i nes shal l be or gani c and cur vi l i nearand wi t hout t he sharp cor ner s commonl y associ at ed wi t h the machi negr adi ng necessary f or i nf r ast r uct ur e i mpr ovement s.

a. Landscape desi gns may, and i f appr opr i at e, shal l use f i ni sh gr adi ngt o achi eve t hi s resul t .

2. Swal es and si mi l ar drai nage cour ses shal l be desi gned as gent l yr ol l i ng, f r ee f or m gr ound scul pt ur e wi t h a nat ur al appear ance. Wher espace and hydr ol ogi cal needs per mi t , t hey shoul d be br oad shal l owchannel s wi t h est abl i shed veget at i on desi gned t o pr omot e i nf i l t r ati onand t r ap pol l ut ant s. Di ssi pat i on st r uct ur es, i f any, shal l be desi gnedt o be as nat ur al i n appearance as possi bl e such as t he use of r ockl i ni ng.

3. Wher e appropr i at e and wher e space permi t s, ear t hen ber ms shal l bei ncor por at ed i nt o f i ni sh gr adi ng. Ber ms ar e usual l y 2 t o 6 f eet hi ghand shal l be desi gned as gent l y rol l i ng, f r ee f or m gr ound scul pt ur ewi t h an undul at i ng t op. The r i dge of ber ms shoul d be r ounded ( i . e. ,nei t her f l at nor meet i ng at t he peak) . Cont i nuous pl ant i ng al ong t he

r i dgel i ne of ber ms shoul d be avoi ded.

B. Mai ntenance

Landscape desi gns shoul d bal ance t he val ue of l andscapi ng and t heobl i gat i ons f or mai nt enance.

C. Ot her Bui l t El ement s

Landscape pr oj ect s shoul d i ncorpor ate el ement s ot her t han pl ant s t hat cr eatea comf or t abl e, saf e, and at t r act i ve publ i c exper i ence.

1. Benches, r ecept acl es, bi ke r acks, newspaper r acks, wat er f ount ai ns,l i ght i ng and publ i c ar t are good exampl es and shoul d be i dent i f i ed i nt he scope of work.

a. The desi gnshoul d eval uate opport uni t i es dur i ng t he cour se ofdevel opi ng speci f i c l andscape sol ut i ons.

2. I n desi gni ng el ement si n r esponse t o t he scope of work or an appar entoppor t uni t y, cal i br at i on t o t he t r ansect i s appr opr i at e.

a. I n consi der i ng t he sel ect i on of such el ement s, boul der s may be usedi n rural t r ansect s T- 1 and T- 2 t o accent t he l andscape desi gn,

Page 179: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 179/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 179 Effective May 17, 2012

whi l e pl azas or benches are appr opr i ate i n ur ban t r ansects T- 4, T-5, and T- 6.

b. I n consi der i ng basi c l ayout s, pedest r i an ways ( si dewal ks) can beorgani c i n r ur al t r ansects T- 1 and T- 2 and have a f ormal charact er

i n ur ban t r ansect s T- 4, T- 5, and T- 6.

D. Pl ant Pl acement

1. For t he natur al envi r onment , pl ant pl acement shal l be i nf ormalgr oupi ngs of t r ees, shrubs and gr ound cover s.

a. Pl ant i ngs on sl opes shal l have var i ed hei ght s.

2. More ur bani zed areas warr ant more st r uct ur ed pl ant pl acement . I n moreur bani zed ar eas, mor e f or mal , unobst r uct ed vi si bi l i t y t o bui l di ngent r ances; key ar chi t ect ur al f eat ur es; si gnage; and publ i c spaces aret o be mai nt ai ned.

a. Use of l andscapi ng t o def i ne, accent , or sof t en adj acent bui l di ngsi s appr opr i at e.

E. Scr eeni ng

As r i ght s- of - way l andscapi ng desi gns are devel oped, l andscapi ng shal l scr eenadj acent par ki ng and ser vi ce ar eas, and ext er i or t r ansf or mer s, ut i l i t y pads,cabl e t el evi si on, t el ephone boxes, and si mi l ar obj ect s t o t he gr eat estext ent possi bl e.

F. Wat er Usage

Landscape desi gns shoul d bal ance t he val ue of l andscapi ng and the val ue ofr esponsi bl e water usage. Sel ect i on, densi t y, and pl acement of pl ant s

r el at i ve t o avai l abl e wat er suppl i es need to be consi der ed i n t he desi gnconcept . The sel ect i on of nat i ve and dr ought t ol er ant speci es i sencour aged. Use of r ecl ai med wat er f or i r r i gat i on subst ant i al l y addr essest hi s bal ance.

Pl ant i ngs i n t r ansect s T- 1, T- 2, and some of T- 3 may not need i r r i gat i onaf t er t he est abl i shment per i od. Dur i ng t hat per i od t empor ary syst ems mayser ve t he need. I n t r ansect s T- 4, T- 5, and T- 6, ornament al , f or malpl ant i ngs wi l l need more water .

G. Wi nt er Condi t i ons

 Tr ees shoul d be sel ect ed and pl aced so as t o mi ni mi ze wi nt er i ci ng on r oads,wal kways, and other pavi ng. Pl acement r el at i ve t o wi nt er sun angl es,spaci ng, t ype as deci duous or coni f er , and mater i al densi t y shoul d beconsi der ed.

Page 180: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 180/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 180 Effective May 17, 2012

13-18-002-0004 Quantitative Landscape Design Parameters

 Tabl e 13- 18- 01a  - Quant i t at i ve Landscape Desi gn Parameters provi des gui dancer egardi ng l andscape desi gn i n t er ms of pl ant t ypes, densi t i es, and pl acement i nt he cont ext of t r ansect s.

A l i st of pr e- appr oved t r ees, shrubs, and gr oundcover i s pr ovi ded i n t he Zoni ngCode f ound i n Ti t l e 10 of t he Fl agst af f Ci t y Code.

13-18-002-0004.1 Table Notes

As Pract i cal – The pl acement of evenl y spaced t r ees i s not ed i n t he t abl e as “AsPract i cal ” r ecogni zi ng that some devi at i on i n spaci ng may be necessary t oaccommodat e ut i l i t i es, dr i veways, and ot her si mi l ar obj ect s i n the r i ght - of - way.

 The quant i t y of t r ees shal l st i l l be deter mi ned per t he Densi t y col umn of t he Tabl e, and any sur pl us t r ees due t o a necessar y devi at i on i n spaci ng, shal l bepl ant ed el sewher e i n the r i ght - of - way or i f need be, el sewher e wi t hi n thepr oj ect .

Boul der s – For t r ansect s T- 1, T- 2, and T- 3, t o encour age the use of boul der s i nl andscape desi gns, up to 15% of shrubs i ndi cat ed i n the t abl e may be repl aced bynat i ve boul der s on an “area cover ed” basi s. One t hi r d of t he boul der ’ s hei ghtshoul d be bur i ed.

Coverage at Mat ur i t y – The ar ea covered by t he pl ant mater i al when i t hasr eached matur i t y, based on i ndust r y st andards f or si ze at matur i t y, compared t ot he pl ant i ng ar ea i n whi ch t he pl ant mat er i al i s l ocat ed.

Cl ust er s – The nat ur al f or est densi t y i s not monol i t hi c and var i es f r om meadowst o cl ust er s of t r ees and shr ubs. I n emul ati ng t he nat ur al sur r ounds per t het abl e, t he t abl e i ndi cat es when cl ust er i ng i s expect ed t o be appr opr i ate.

Exi st i ng Pl ant s – Exi st i ng pl ant mat er i al s t hat ar e pr ot ect ed and t hat sur vi veconst r uct i on count t oward the densi t y r equi r ement s of t he t abl e.

Match Sur r ounds – Thi s t er m i s used t o i ndi cat e t hat new l andscapi ng shoul dmatch t he exi st i ng cont ext. Cont ext r ef er s t o t he gener al ar ea of a pr oj ect oreven sub- areas of a pr oj ect ( See 18- 2, Landscape Desi gn) .

Medi an – As used i n t he tabl e, a medi an i s t he ar ea between vehi cul ar t r avell anes. ’

Parkway – As used i n the t abl e, a parkway i s t he area bet ween the curb and t hesi dewal k.

Road Segment – As used i n the t abl e, a r oad segment i s general l y a bl ock, butcoul d be a gr oup of bl ocks t hat as a whol e make up a si ngl e l ogi cal desi gnel ement . A boul evar d i s an exampl e of such an el ement .

Speci es Appr opr i at e Spaci ng – Spaci ng based on i ndust r y st andards.

Page 181: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 181/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 181 Effective May 17, 2012

13-18-002-0005 Project Metrics

 To ser ve as a basel i ne met r i c f or speci f i c l andscapi ng proj ect s,  Tabl e 13- 18- 01a - Quant i t at i ve Landscape Desi gn Paramet er s shal l be consi der ed basel i ne( mi ni mum) r equi r ement s and any devi at i on f r om such parameters shal l be at t he

sol e di scr et i on of t he Ci t y of Fl agst af f as det er mi ned by t he pr oj ect r evi ews t a f f .

Page 182: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 182/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 182 Effective May 17, 2012

Table 13-18-01a - Quantitative Landscape Design Parameters

Trees

Type Density Placement

T-1: The most rural, undisturbed, natural land.

Parkways, Medians, andOther Areas

Match Surrounds Match Surroundsincluding Clusters

(Max. 100 per acre)

Match Surroundsincluding Clusters

T-2: Rural, but modified lands.

Parkways, Medians, and

Other Areas

Match Surrounds per T-1

and Add 15%(Max. 100 per acre)

Match Surrounds

Clusters

T-3: The edge areas of a town or city, suburban areas - Large lot subdivisions and substantially forested lands.

Parkways, Medians, and

Other Areas

Match Surrounds per T-1

and Add 30%Max. 100 per acre)

Match Surrounds

Clusters

T-3: The edge areas of a town or city, suburban areas - Small lot subdivisions and/or substantially denuded lands.

Parkways Max. Two Types per Road Segment (1) per 45 FT 45 FT O.C.(As Practical)

Medians Max. Two Types per Road Segment

(1) per 45 FT 45 FT O.C.(As Practical)

Other Areas Match Surrounds per T-1

and Add 30%

(Max. 100 per acre)

Match Surrounds

including Clusters

T-4: Higher density mixed-use area - residential prevalent.

Parkways Max. Three Types

 per Road Segment

(1) per 45 FT 45 FT O.C.

As Practical)

Medians Max. Three Types

 per Road Segment

(1) per 45 FT 45 FT O.C.

As Practical)

Other Areas Match Surrounds per T-1

Add 15%(Max. 100 per acre)

Match Surrounds

Clusters

T-5: Higher density mixed-use area - Commercial prevalent.

Parkways, Tree Wells Max. Two Types

 per Road Segment

(1) per 45 FT 45 FT O.C.

As Practical)

Medians Max. Two Types

 per Road Segment

(1) per 45 FT 45 FT O.C

(As Practical)

Other Areas Should not occur in urban area; where occurs, see Special District.

T-6: Downtown Flagstaff

Parkways, Tree Wells One Type

 per Road Segment

(1) per 45 FT 45 FT O.C.

As Practical)

Medians One Type

 per Road Segment

(1) per 45 FT 45 FT O.C.

(As Practical)Other Areas Should not occur in urban area; where occurs, see Special District.

Special Districts

Parkways Max. Three Types

 per Road Segment

(1) per 45 FT 45 FT O.C.

(As Practical)

Medians Max. Three Types

 per Road Segment

(1) per 45 FT 45 FT O.C.

(As Practical)

Other Areas Match Surrounds per T-1

and Add 30%Max. 100 per acre)

Match Surrounds

Page 183: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 183/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 183 Effective May 17, 2012

Table 13-18-01b - Quantitative Landscape Design Parameters

Shrubs

Type Density PlacementT-1: The most rural, undisturbed, natural land.

Parkways, Medians,

and Other Areas

Match Surrounds Match Surrounds

including Clusters

Match Surrounds

including Clusters

T-2: Rural, but modified lands.

Parkways, Medians,

and Other Areas

Match Surrounds Match Surrounds

including Clusters

Match Surrounds

including Clusters

T-3: The edge areas of a town or city, suburban areas - Large lot subdivisions and substantially forested lands.

Parkways, Medians,

and Other Areas

Match Surrounds Match Surrounds

including Clusters

Match Surrounds

including Clusters

T-3: The edge areas of a town or city, suburban areas - Small lot subdivisions and/or substantially denuded lands.

Parkways Where Occurs –

 per Medians

 None or

 per Medians

Where Occurs - per

MediansMedians (1) per (50) Plants

to Max. (5) TypesMin. 15% per Type

Min. 25% Coverage

at Maturityless Groundcover

Species Appropriate

Spacing withDiamond Pattern

Other Areas Match Surrounds per T-1

and Add 30%.

Match Surrounds

including Clusters

T-4: Higher density mixed-use area - residential prevalent.

Parkways Where Occurs – per Medians

 None or per Medians

Where Occurs – per Medians

Medians (1) per (50) Plants

to Max. (5) Types

Min. 15% per Type

Min. 50% Coverage

at Maturity

less Groundcover

Species Appropriate

Spacing with

Diamond Pattern

Other Areas Match Surrounds per T-1

and Add 15%.

Match Surrounds

including Clusters

T-5: Higher density mixed-use area - Commercial prevalent.

Parkways, Tree Wells None None None

Medians (1) per (50) Plantsto Max. (5) Types

Min. 15% per Type

Min. 75% Coverageat Maturity

less Groundcover

Species AppropriateSpacing with

Diamond Pattern

Other Areas Should not occur in urban area; where occurs, see Special District.

T-6: Downtown Flagstaff

Parkways, Tree Wells None None None

Medians (1) per (50) Plants

to Max. (5) Types

Min. 15% per Type

Min. 75% Coverage

at Maturity

less Groundcover

Species Appropriate

Spacing with

Diamond Pattern

Other Areas Should not occur in urban area; where occurs, see Special District.T-6: Downtown Flagstaff

Parkways Where Occurs –

 per Medians

 None or

 per Medians

Where Occurs –

 per Medians

Medians (1) per (50) Plants

to Max. (5) Types

Min. 15% per Type

Min. 25% Coverage

at Maturity

less Groundcover

Species Appropriate

Spacing with

Diamond Pattern

Other Areas Match Surrounds per T-1and Add 30%.

Match Surrounds

Page 184: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 184/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 184 Effective May 17, 2012

Table 13-18-01c - Quantitative Landscape Design Parameters

Living Groundcover

Type Density Placement

T-1: The most rural, undisturbed, natural land.Parkways, Medians, and

Other Areas

 Native Grass

and Wildflower Seed Mix

100% Coverage

of Disturbed Areas

Hydroseed

T-2: Rural, but modified lands.

Parkways, Medians, and

Other Areas

 Native Grass

and Wildflower Seed Mix

100% Coverage

of Disturbed Areas

Hydroseed

T-3: The edge areas of a town or city, suburban areas - Large lot subdivisions and substantially forested lands.

Parkways, Medians, andOther Areas

 Native Grassand Wildflower Seed Mix

100% Coverageof Disturbed Areas

Hydroseed

T-3: The edge areas of a town or city, suburban areas - Small lot subdivisions and/or substantially denuded lands.

Parkways Where Occurs - perMedians

 None or per Medians

Where Occurs – per Medians

Medians (1) per (500) Plants

to Max. (5) TypesMin. 15% per Type

Min. 25% Coverage

at Maturityless Shrubs

Species Appropriate Spacing with

Diamond Pattern

Other Areas Native Grassand Wildflower Seed Mix

100% Coverageof Disturbed Areas

Hydroseed

T-4: Higher density mixed-use area - residential prevalent.

Parkways Where Occurs –

 per Medians

 None or

 per Medians

Where Occurs –

Medians

Medians (1) per (500) Plants

to Max. (5) TypesMin. 15% per Type

Min. 50% Coverage

at Maturityless Shrubs

Species Appropriate Spacing with

Diamond Pattern

Other Areas Native Grassand Wildflower Seed Mix

100% Coverageof Disturbed Areas

Hydroseed

T-5: Higher density mixed-use area - Commercial prevalent.

Parkways, Tree Wells per T-4(Tree Wells per Medians)

 per T-4(Tree Wells per Medians)

 per T-4(Tree Wells per Medians)

Medians (1) per (500) Plantsto Max. (5) Types

Min. 15% per Type

Min. 75% Coverageat Maturityless Shrubs

Species Appropriate Spacing withDiamond Pattern

Other Areas Should not occur in urban area; where occurs, see Special District.

T-6: Downtown Flagstaff

Parkways, Tree Wells per T-4

(Tree Wells per Medians)

 per T-4

(Tree Wells per Medians)

 per T-4

(Tree Wells per Medians)

Medians (1) per (500) Plantsto Max. (5) Types

Min. 15% per Type

Min. 75% Coverageat Maturityless Shrubs

Species Appropriate Spacing withDiamond Pattern

Other Areas Should not occur in urban area; where occurs, see Special District.Special Districts

Parkways Where Occurs – per Medians

 None or per Medians

Where Occurs – per Medians

Medians (1) per (500) Plants

to Max. (5) TypesMin. 15% per Type

Min. 25% Coverage

at Maturityless Shrubs

Species Appropriate Spacing with

Diamond Pattern

Other Areas Native Grassand Wildflower Seed Mix

100% Coverageof Disturbed Areas

Hydroseed

Page 185: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 185/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 185 Effective May 17, 2012

13-18-003 Material Selection

See Table 13-18-02.

13-18-003-0001 General Requirements

A l i st of pr e- appr oved t r ees, shrubs, and gr oundcover i s pr ovi ded i n t he Zoni ngCode f ound i n Ti t l e 10 of t he Fl agst af f Ci t y Code.

Sel ect i on and use of nat i ve and dr ought t ol er ant pl ant speci es i s pr ef er r ed.Al l pl ant speci es shal l be cot t onl ess, non- f r ui t i ng, and, except f orgr oundcover , mi ni mal l y seedi ng.

Pl ant mater i al shal l be t r ue t o name, var i ety and si ze and shal l compl y wi t h t heappl i cabl e pr ovi si ons of t he most r ecent edi t i on of t he American Standard for

Nursery Stock (ANSI Z60.1).

A. Appl i cat i on

Pl ant mat er i al shal l be of t he quant i t y, genus, speci es, var i et y and si zespeci f i ed. I f t he speci f i ed pl ant mat er i al i s not obt ai nabl e, submi t ast atement of non- avai l abi l i t y t oget her wi t h a pr oposal f or use of equi val entmat er i al . Subst i t ut i ons r equi r e pr i or appr oval f r om t he Ci t y of Fl agst af fr epr esent at i ve.

 Tr ees ar e al l owed onl y i n medi ans and parkways t hat have a mi ni mum wi dt h off i ve ( 5) f eet . I n r et r of i t si t uat i ons, t he mi ni mum medi an and par kway wi dt hshal l be f our ( 4) f eet and t r ee sel ect i on shal l be submi t t ed f or pr i orr evi ew and appr oval by the Ci t y Engi neer or dul y appoi nted desi gnee.

Shr ubs, per enni al s and groundcover s are al l owed onl y i n medi ans and par kwayst hat have a mi ni mum wi dt h of t wo (2) f eet .

Medi ans and par kways l ess t han t wo (2) f eet i n wi dt h shal l be i n f i l l ed wi t happr oved i ner t mater i al s. Wi dt hs ar e f r omback of cur b t o back of curb.

I n l i eu of t hose speci f i ed i n these standar ds, l andscape mat er i al s pr evi ousl yapproved by a homeowner s’ associ at i on or approved by an adopt ed area/ speci ali mpr ovement pl an are al so al l owed.

13-18-003-0002 Irrigation (See City Code, Chapter 13-19)

I r r i gat i on syst em t echni cal speci f i cat i ons ar e cont ai ned i n Chapt er 13- 19 of t heFl agst af f Ci t y Code.

A. Except as f ol l ows, al l l andscaped ar eas wi t hi n r i ght s- of - way shal l bepr ovi ded wi t h permanent aut omat i c i r r i gat i on syst ems desi gned t o mi ni mi zewater usage but pr ovi de adequate water i ng f or al l pl ant materi al s.

1. Except i on: Ar eas desi gnat ed as nat i ve pl ant i ng ar eas, r i par i an, andsi mi l ar areas t hat ar e desi gned and pl ant ed accor di ngl y may i nst al lt empor ar y aut omat i c i r r i gat i on systems as r equi r ed t o est abl i sh pl antmat er i al s as det er mi ned sol el y by t he Ci t y, on a case- by- case basi s.

B. I r r i gat i on systems shoul d be desi gned t o per mi t t ur f gr ass t o be i r r i gat edsepar at el y f r om al l ot her pl ant i ng ar eas.

Page 186: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 186/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 186 Effective May 17, 2012

1. Tur f i r r i gat i on zones shoul d be f ur t her separ ated by wat er needs f orsl opes, exposur e, and turf - t ype.

2. Spr ayi ng of wal ks, decks, pat i os, dr i veways, bui l di ngs and f ences

shoul d be avoi ded.

3. Normal spray pat t erns shoul d be conf i ned t o mass veget at ed areas orr oot zones of pl ant s.

C. I r r i gat i on schedul es shoul d be set when pedest r i ans ar e not l i kel y t o bepr esent . Cont r ol l er s shal l be t i med t o spr ay at ni ght t o r educe conf l i ct swi t h users and t o reduce wat er consumpt i on.

13-18-003-0003 Trees

A. Al l si ngl e t r unk t r ees shal l have a mi ni mum t wo ( 2) i nch cal i per and ami ni mum hei ght of ei ght ( 8) f eet i mmedi atel y af t er pl ant i ng. Tr ee hei ght sshal l be measur ed f r om t he t op of t he r oot bal l t o t he t i p of t he hi ghestbr anch.

B. Al l coni f er t r ees shal l have a mi ni mum hei ght of si x ( 6) f eet measur ed f r omt he t op of t he r oot bal l t o t he t i p of t he l eader .

C. Mul t i - t r unk t r ees ar e not al l owed i n medi ans and parkways wi t hi n r i ght s- of -ways.

13-18-003-0003.1 Pre-approved Trees 

A l i st of pr e- appr oved t r ees i s pr ovi ded i n t he Zoni ng Code f ound i n Ti t l e 10 oft he Fl agst af f Ci t y Code.

13-18-003-0003.2 Prohibited Trees 

Speci f i cal l y pr ohi bi t ed f or l andscape use i n r i ght s- of - way ar e t he f ol l owi ngpl ant mat er i al s:

Bot ani cal Name Common Name

Acer negundo  Box El derElaeagnus angustifolia  Russi an Ol i vePopulus acuminate  Lance Leaf Cot t onwoodPopulus alba  Whi t e Popl arPopulus augustfolia  Nar r ow Leaf Cot t onwoodPopulus fremontii  Fr emont Cot t onwoodPopulus nigra Bl ack Popl arSalix species  Wi l l owsUlmus parvifolia  Chi nese El mUlmus pumila Si ber i an El m

 

Page 187: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 187/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 187 Effective May 17, 2012

13-18-003-0004 Shrubs 

Shr ubs shal l be wel l r oot ed cont ai ner st ock and shal l have a mi ni mum si ze oft hr ee gal l ons.

13-18-003-0004.1 Pre-approved Shrubs 

Shr ub speci es sel ect ed f r om t he l i st of pr e- appr oved shr ubs f ound i n Ti t l e 10 oft he Fl agst af f Ci t y Code are accept abl e. Ot her speci es may be accept abl e but aresubj ect t o appr oval by the Ci t y Engi neer and t he Publ i c Works Di vi si on.

13-18-003-0005 Ground Cover 

Gr ound cover ( ot her t han t ur f gr ass) shal l be a mi ni mum of f our ( 4) i nch wel lr oot ed cont ai ner st ock spaced no more t han ei ght ( 8) i nches on cent er . Wel lr oot ed two and one hal f ( 2- 1/ 2) i nch cont ai ner st ock may be subst i t ut ed andspaced no more t han si x ( 6) i nches on cent er . Gr ound cover pl ant s shal l show anumber of vi gor ous woody runner s or a wel l devel oped cr own.

A l i st of pr e- appr oved gr oundcover i s pr ovi ded i n t he Zoni ng Code f ound i n Ti t l e10 of t he Fl agst af f Ci t y Code.13-18-003-0005.1 Pre-approved Groundcover 

Gr oundcover speci es sel ect ed f r om t he pr e- appr oved l i st f ound i n Ti t l e 10 of t heFl agst af f Ci t y Code are accept abl e. Ot her speci es may be accept abl e but aresubj ect t o appr oval by the Ci t y Engi neer and t he Publ i c Works Di vi si on.

13-18-003-0006 Landscape Materials

13-18-003-0006.1 Mulch

Mul ch shal l be used i n areas wher e soi l s have been di st ur bed as a r esul t of t he

pl ant i ng act i vi t i es and/ or wher e desi gnated on t he appr oved l andscape pl an.Hydroseedi ng may be used wher e desi gnat ed on t he appr oved l andscape pl an.

13-18-003-0006.2 Pre-approved Mulch 

A. Wood mul ch shal l be gr ound or shr edded wood pr oduct s pr ocessed speci f i cal l yas l andscape mul ch. Dept h of i nst al l at i on shal l be t wo ( 2) i nches mi ni mumand t hr ee ( 3) i nches maxi mum. Pr i or t o mul ch i nst al l at i on pre- emergent weedcont r ol and a geot ext i l e weed bar r i er shal l be i nst al l ed.

B. Rock mul ch shal l be decomposed gr ani t e, l andscape r ock, r i ver r ock, peagr avel , r ed ci nder s or bl ack ci nder s. Red and bl ack ci nder s shal l be ami ni mum of one- hal f ( 1/ 2) i nch i n di amet er . Dept h of i nst al l at i on shal l bet wo ( 2) i nches mi ni mum and t hr ee ( 3) i nches maxi mum. Pr i or t o mul chi nst al l at i on pr e- emer gent weed cont r ol and a geot ext i l e weed bar r i er shal lbe i nstal l ed.

13-18-003-0006.3 Root Barrier

A. Root bar r i er s shal l be one cont i nuous pi ece, a mi ni mum of t went y f our ( 24)i nches i n dept h and i nst al l ed such t hat t he t op i s even wi t h t he top ofadj acent pavement .

Page 188: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 188/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 188 Effective May 17, 2012

B. Root bar r i er s shal l be i nst al l ed par al l el and adj acent t o cur b and gut t er ,si dewal ks or si mi l ar per manent sur f aces. The r oot bar r i er shal l extend f our( 4) f eet each way of t he t r ee cent er . Root barr i er s shal l be used i npar kways wi t h a wi dt h of ei ght ( 8) f eet or l ess.

13-18-003-0006.4 Pre-emergent Weed Control

A. Pre- emer gent weed cont r ol shal l be Dact al or equal and shal l be used pr i ort o t he i nst al l at i on of wood and r ock mul ch mat er i al s. I nst al l at i on shal l beper t he manuf act ur er ’ s wr i t t en i nst r uct i ons.

13-18-003-0006.5 Weed Barrier

Weed barr i er shal l be a synt het i c, non- woven, water permeabl e geotext i l e.Manuf actur er ’ s t echni cal i nf ormat i on and a nomi nal 4- i nch square sampl e shal l besubmi t t ed f or Ci t y of Fl agst af f ’ s pr i or appr oval .

13-18-003-0006.6 Tree Wrap

 Tr ee wr ap shal l be heavy, cr i nkl e cr epe paper , 4 t o 10 i nches wi de andmanuf act ur ed speci f i cal l y as t r ee wr ap.

13-18-003-0006.7 Planting Soils 

A. Gener al Pl ant i ng Soi l

Soi l excavated f r om t he pl ant i ng pi t shal l gener al l y be deemed accept abl e asbackf i l l mat er i al f or pl ant i ng unl ess speci f i cal l y desi gnat ed by t he Owneras unaccept abl e.

1. I f quant i t y of usabl e soi l i s i nadequat e, t he Cont r act or shal l suppl ypl ant i ng soi l whi ch shal l be cl ean, f er t i l e and f r i abl e wi t h 4% t o 25%

or gani c mat t er .

2. I mpor t ed pl ant i ng mat er i al shal l r equi r e pr i or appr oval by t he Owner .

3. Mechani cal l y gr ound or pul ver i zed soi l i s not accept abl e.

B. St r uctur al Soi l Mi x

1. St r eet t r ees pl ant ed wi t hi n a t r ee gr at e shal l be pl ant ed i n t opsoi lbackf i l l usi ng a st r uctural soi l syst em bet ween t r ee pi t s beneat hpavement areas.

2. St r uctur al Soi l Mi x: The st r uctur al soi l mi x shal l be a uni f or ml ybl ended, t hr ee part mi x consi st i ng of a 5: 1 r at i o of crushed st one tocl ay l oam, by wei ght , wi t h . 03% hydr ogel added. Tot al moi st ur e atmi xi ng shal l be 10% per AASHTO T- 99 (opt i mum moi st ure) .

 The st one shal l be cl ean, angul ar , gap graded, 3/ 4 t o 1- 1/ 2 i nchcrushed st one wi t h no f i nes. Vol cani c r ock i s expl i ci t l y excl uded.

 The cl ay l oam shal l consi st of <5% gravel , 25- 30% sand, 20- 40% si l t and25- 40% cl ay wi t h 2- 5% or gani c mat t er per t he USDA soi l cl assi f i cat i onsyst em.

Page 189: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 189/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 189 Effective May 17, 2012

Hydr ogel shal l be A1000C Hydr o- Gel as manuf act ur ed by Fi nn Corporat i on,Fai r f i el d, Ohi o or an appr oved equal .

13-18-003-0006.8 Landscape Fabric

A weed i nhi bi t i ng mater i al shal l be pl aced under neat h al l areas t o be mul chedpr i or t o i nst al l at i on. Col or shoul d be gr ey or bl ack at f our - ounce wei ght .Pl ast i c pr oducts ar e pr ohi bi t ed.

13-18-003-0007 Furnishings

Al l f ur ni shi ngs shal l be acqui r ed f r om a r ecogni zed manuf act ur er t hat producespr oduct s f or use i n publ i c pl aces and t o t he gr eat est extent possi bl e, be of t hesame make and model as exi st i ng st r eet f ur ni t ur e el sewher e wi t hi n the Ci t y.

Page 190: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 190/382

CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 190

TABLE 13-18-02

 MATERIAL SELECTION

Symbol

Scal e @2/ 3

Mat ur i t y

Genus & Species Common NameQty.

Planting Size

Overstory / Canopy Trees

  Fr axi nus pennsyl vani ca Gr een Ash 12 2. 5” Cal . Popul us t r emul oi des Quaki ng Aspen 25 2. 5" Cal .

Mul t i St em

Ornamental Trees 

Mal us sargent i i Sargent Cr abappl e 30 1. 5” Cal .

Prunus padus Common Bi r dcher r y 15 1. 5 “ Cal .

Evergreen Trees  

Pi nus ponderosa Ponderosa Pi ne 5 6’ B&B

Shrubs

Potent i l l a f rui t i cosa ‘Gol d Dr op’

Gol d Dr op BushCi nquef oi l

200 2 Gal l on

Pi nus mugo mughus Dwf . Mugho Pi ne 50 3 Gal l on

Groundcovers &Perennials

Vi nca mi nor Per i wi nkl e 300 3” Pot

Page 191: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 191/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 191 Effective May 17, 2012

13-18-004  Installation, Placement, and Planting

13-18-004-0001 General Requirements 

A. Except f or gr oundcover , pl acement of l andscape mater i al s shal l r espect

t he wi dt h of t he pl ant i ng ar ea such t hat adequate cl earance i s mai nt ai nedbet ween curbs and pl ant mat er i al s so as t o mi ni mi ze damage f r om snowr emoval , ci nder i ng oper at i ons, and vehi cul ar t r af f i c.

B. Al l l andscape mat er i al s shal l be pl aced, i ncl udi ng t he quant i t y andspaci ng of pl ant mater i al s, per a st r eet scape pl an consi st ent wi t hl andscape desi gn i ndust r y st andar ds and appr oved by t he Ci t y Engi neer .

C. Not hi ng shal l be pl ant ed dur i ng f r eezi ng or excessi vel y wi ndy, hot , orwet weat her or ot her wi se when t he condi t i ons cannot be proper l y workedf or di ggi ng, mi xi ng, r aki ng, or gr adi ng. Not hi ng shal l be pl ant ed unt i lt he adj acent si t e i mpr ovement s, pavement s, i r r i gat i on i nst al l ati on andf i ni sh gr adi ng i s compl et ed.

D. Cer t ai n l andscape el ement s, part i cul ar l y hardscape el ement s, are subj ectt o ot her codes and st andards and r equi r e permi t s. These st andar ds ar e i naddi t i on t o other r equi r ement s and do not i n any way al t er , di mi ni sh, oral l evi at e ot her r equi r ement s.

13-18-004-0001.1 Execution

A. Excavat i on

1. Pl ant mat er i al l ocat i ons shal l be l ai d out i n t he f i el d, as shown ont he pl an( s) . I ncor r ect l y pl aced pl ant s at shal l be r el ocat ed at noexpense to t he Ci t y.

2. The pl ant i ng pi t shal l be excavat ed t o pr ovi de at l east si x ( 6)i nches of pl ant i ng soi l backf i l l ar ound and beneat h t he root system.

3. Wher e condi t i ons pr event di ggi ng a pl ant i ng pi t as requi r ed, obt ai nappr oval f r omt he Ci t y to modi f y the l ocat i on and / or di mensi ons.

4. Pl ant i ng soi l f or backf i l l i ng shal l be kept separ at e f r om excavat edsubsoi l mat er i al .

5. Tr ees shal l be pl ant ed wi t h t he r oot f l ar e one ( 1) i nch above f i ni shgr ade.

B. Gr oundcover I nst al l at i on

1. I mmedi at el y pr i or t o i nst al l at i on, gr oundcover ar eas ar e t o becul t i vat ed t o a dept h of si x (6) i nches and gr ade smoot h anduni f or m.

2. Gr oundcover shal l be pl ant ed t o wi t hi n ei ght een ( 18) i nches of t r eet r unks or shr ubs pl ant ed wi t hi n t he area. Gr oundcover i s t o bepl ant ed so t hat t he root cr own i s at or sl i ght l y above the pr epar edbed’ s f i ni sh gr ade.

Page 192: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 192/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 192 Effective May 17, 2012

3. Af t er pl ant i ng of groundcover and pr i or t o mul chi ng, pr e- emer gentweed cont r ol shal l be spr ead over pl ant i ng bed soi l sur f ace permanuf act ur er ’ s wr i t t en di r ect i ons.

4. Speci f i ed mul ch shal l be i nst al l ed t o a dept h of t wo ( 2) i nches over

t he ent i r e gr oundcover bed.

C. Cont ai ner and bal l ed and bur l apped ( B&B) pl ant mat er i al i nst al l at i on

1. Non- pl ant abl e cont ai ner s shal l be r emoved pr i or t o pl ant i ng i n amanner t hat does not di st ur b t he pot t ed soi l or r oot bal l .

2. Pl ant abl e cont ai ner s are t o be r emoved i n t he same manner as non-pl ant abl e cont ai ner s. I f t he pl ant abl e cont ai ner i s l ef t i n pl ace,any par t of t he cont ai ner t hat extends above t he soi l l evel wi t hi nt he cont ai ner i s t o be r emoved and a mi ni mum of t hr ee f ul l hei ghtcut s i n t he cont ai ner si des shal l be made.

3. The r oot bal l shal l be set on s i x ( 6) i nches of f i r m pl ant i ng soi l ,pl umb and i n t he cent er of t he pi t wi t h t he r oot bal l cr own sl i ght l yabove t he same el evat i on as adj acent f i ni shed l andscape gr ades.

a. Wi r e, t wi ne, nat ur al bur l ap, and ot her mat er i al . , on t he upperone thi r d of t he root bal l of B&B st ock shal l be compl et el yr emoved.

b. Af t er t he r oot bal l has been pl aced i n i t s f i nal l ocat i on, wi r ebasket s and as much synt het i c bur l ap as possi bl e shal l ber emoved.

4. Backf i l l mat er i al shal l be added ar ound base and si des of r oot bal laf t er t he pl ant i s set wi t h each l ayer t o be wor ked f or pur poses of

set t l i ng backf i l l and el i mi nat i ng voi ds and ai r pocket s.

a. When excavat i on i s appr oxi matel y 2/ 3 f ul l , water t horoughl ybef or e pl aci ng t he r emai nder of t he backf i l l . Repeat wat er i ngunt i l no more i s absorbed.

b. Wat er agai n af t er pl aci ng t he f i nal l ayer of backf i l l .

5. Mul ch shal l be pl aced at a dept h of t wo t o t hr ee i nches i n t he areadi st ur bed by excavat i on of t he pl ant i ng wel l or i n pl ant i ng bedareas as desi gnated on t he pl ans( s) .

a. Pr e- emer gent her bi ci de shal l be appl i ed pr i or t o mul chi nstal l at i on i n al l pl ant i ng beds.

b. Mul ch shal l be i nst al l ed by t he end of each wor k day f or al lpl ant mat er i al i nst al l ed dur i ng t hat day.

D. Staki ng and Guyi ng

1. Si ngl e st em, deci duous t r ees between one ( 1) and t hr ee ( 3) i nchcal i per and ever gr een t r ees bet ween si x ( 6) and ei ght ( 8) f eet i nhei ght shal l be f i r ml y t i ed bet ween t wo ver t i cal l y dr i ven st akes.

Page 193: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 193/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 193 Effective May 17, 2012

2. Si ngl e st em, deci duous t r ees over t hr ee ( 3) i nch cal i per andever gr een t r ees more than ei ght ( 8) f eet i n hei ght shal l be guyedwi t h t hr ee l i nes spaced evenl y about t he t r ee.

a. Li ne shal l at t ach t o t he t r ee t r unk about 2/ 3 of t he t r ee hei ght

and be anchored at t he gr ound t o the speci f i ed ear t h anchors ata 30 to 45 degr ee angl e.

E. Mi scel l aneous Work

1. Dead or damaged branches shal l be pruned and r emoved f r om t he pl antmat er i al . Make al l cut s at br anch col l ar . The nat ur al habi t ,shape, and speci f i ed si ze of pl ant mat er i al i s t o be mai nt ai ned.

2. Al l si ngl e st em, deci duous t r ees shal l be wr apped f r om t he gr oundl i ne up t o and i ncl udi ng t he cr ot ch f or med by the f i r st maj orbr anch.

a. Wr appi ng shal l be done af t er t he pl ant has been i nst al l ed.

3. Remove al l t ags, l abel s, and/ or ot her mat er i al on pl ant .

4. The Cont r act or shal l be r esponsi bl e f or l egal di sposal of excesssoi l , packi ng mat er i al , bur l ap, t r i mmi ngs, and ot her debr i sassoci at ed wi t h t he pl ant i ng oper at i on.

a. Paved sur f aces shal l be br oom cl eaned.

b. Cl ean up work shal l be consi der ed i nci dent al t o t he work.

5. I f pl ant i ng wor k i s per f or med af t er l awn pr epar at i on i s f i ni shed,t he Cont r act or shal l pr ovi de pr ot ect i on to t he l awn ar eas and

i mmedi at el y r epai r any damage resul t i ng f r om pl ant i ng oper ati ons atno cost t o t he Ci t y.

6. Mai nt enance of pl ant s shal l commence i mmedi at el y and cont i nue unt i lacceptance of t he wor k. A wr i t t en r ecommended mai ntenance progr ami s t o be pr ovi ded t o the Ci t y pr i or t o accept ance of t he wor k.

a. Mai nt enance per f ormed by t he Ci t y i n accor dance wi t h t her ecommended pr ogr am shal l not af f ect t he cont r act or ’ s obl i gat i ont o guar ant ee and repl ace def ect i ve pl ant mat er i al .

13-18-004-0001.2 Safety

A. Li nes of Si ght : At i nt er sect i ons and dr i veways, l andscapi ng pr oposed t obe l ocated wi t hi n t he t r i angul ar area on a cor ner l ot f ormed by measur i ngt went y f eet al ong bot h st r eet si de pr oper t y l i nes f r om t hei r

Page 194: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 194/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 194 Effective May 17, 2012

i nt er secti on, or t en f eet f r om t he i nt er secti on of a pr oper t y l i neadj acent and par al l el t o a publ i c st r eet and a pr i vat e st r eet ordr i veway, shal l be sel ect ed f or and mai nt ai ned at a maxi mum t hi r t y i nch

t op hei ght . Tr ees l ocat ed wi t hi n or over hangi ng t hese t r i angul ar ar easshal l have canopi es sel ected f or and mai nt ai ned at seven f eet abovest r eet l evel . The end f i f t y f eet of medi ans, measur ed par al l el t o t hedi r ect i ons of t r af f i c, shal l be t r eat ed i n t he same manner .

Page 195: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 195/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 195 Effective May 17, 2012

B. Bl ockage: Landscapi ng mater i al s shoul d be pl aced and/ or mai ntai ned sot hat t hey do not i nt er f er e wi t h st r eet l i ght i ng, t r af f i c si gns, access tof i r e hydr ant s and si mi l ar emergency apparat us, overhead or undergr oundut i l i t i es, or oper at i onal needs wi t hi n r i ght s- of - way.

1. Tr ees and shr ubs shal l not be pl aced wi t hi n f i f t een f eet ofemergency apparat us.

2. Tr ees and shr ubs shal l not be pl aced wi t hi n t en f eet of l i ghtst andar ds, over head or under gr ound ut i l i t i es, or ut i l i t y boxes andsi mi l ar i t ems wi t hi n r i ght s- of - way t hat r equi r e ser vi ce oper at i ons.

C. Wi nt er I ci ng: Landscapi ng mater i al s shoul d be sel ect ed and pl aced so ast o mi ni mi ze wi nt er i ci ng on r oads, wal kways, and ot her pavi ng. Pl acementr el at i ve t o wi nt er sun angl es, spaci ng, t ype as deci duous or coni f er , andmat er i al densi t y shoul d be t aken i nt o consi der at i on.

13-18-004-0002 Warranty

Pl ant s t hat do not sur vi ve dur i ng t he f i r st year af t er pl ant i ng shal l ber epl aced wi t h var i et y and si ze t o mat ch t he or i gi nal pl ant mat er i al . Pr i vat epar t i es per f or mi ng wor k wi t hi n ri ght s- of - way shal l war r ant pl ant mat er i al t o

r emai n al i ve and be i n a heal t hy, vi gor ous condi t i on f or a per i od of one (1)year af t er accept ance. War r ant y shal l speci f i cal l y i ncl ude r odent cont r oldur i ng t he warr ant y per i od. Warr ant y shal l not i ncl ude damage caused byf i r es, f l oods, dr ought , f r eezi ng r ai ns, l i ght ni ng st or ms, wi nds over 75 mi l esper hour , wi nt er ki l l caused by ext r eme col d and sever e wi nt er condi t i ons nott ypi cal of pl ant i ng ar eas, act s of vandal i sm or negl i gence on t he par t of t heCi ty .

Page 196: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 196/382

Page 197: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 197/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 197 Effective May 17, 2012

13-18-004-0005.2 Urban Street Trees

Ur ban st r eet t r ees shal l t ypi cal l y be pl aced per t he f ol l owi ng schedul e:

 Tr ee Si ze Spaci ng

Smal l 10 t o 15 f eetMedi um 15 t o 20 f eetLarge 20 t o 25 f eet

A l i st of pr e- appr oved t r ees i s pr ovi ded i n t he Zoni ng Code f ound i n Ti t l e 10of t he Fl agst af f Ci t y Code.

A. St r uctur al Soi l s

St r uct ur al soi l mi xes shal l be used i n ur ban and t r ee gr at e si t uat i ons.St r uct ur al soi l mi xes shal l be submi t t ed t o t he Ci t y of Fl agst af f f orpr i or appr oval . See Sect i on 13- 18- 003- 0006. 7  f or r ecommended desi gn mi x.

B. Si t e Di st ur bances

1. Ver i f y l ocat i ons and cl ear ance dept hs of under gr ound ut i l i t i es pr i ort o excavat i on work.

2. Ver i f y l ocat i on and cl ear ance hei ght s of over head ut i l i t y l i nes,ar chi t ectural i t ems, si t e accessor i es, st r eet l i ght s, and/ or ot heri nst al l ed/ const r ucted i t ems.

3. Per f orm work i n a manner t o avoi d damage.

C. Pl ant i ng wi t h i mpr oved subst r ate ( under l yi ng base) and t r ee gr ates

1. Provi de appr oxi matel y t hr ee hundr ed ( 300) cubi c f eet of i mpr ovedsubst r at e mater i al f or each ur ban st r eet t r ee.

2. Subst r at e bel ow proposed wal ks and pavement s, adj acent t o proposedstr eet t r ee l ocat i ons, shal l be backf i l l ed wi t h t he str uctur al soi lmi x speci f i ed i n Sect i on 13- 18- 003- 0006. 7.

a. St r uctur al soi l shal l be pl aced i n si x ( 6) t o ei ght ( 8) i nchl i f t s and mechani cal l y compact ed t o not l ess than 95% st andardProct or densi t y ( AASHTO T- 99) .

b. A si x ( 6) i nch base cour se of cl ean, l oose, r ounded st one ( e. g.r i ver r ock) shal l be i nst al l ed and over l ai d wi t h a geot ext i l esoi l separ at or .

c. Tr ee shal l be pl ant ed per Sect i on 13- 18- 004- 0001. 1.

See Detai l Dr awi ng 18- 03- 050 

D. Tr ee Gr at e I nst al l at i on

1. Tree gr ates shal l compl y wi t h t he r equi r ement s of t he Ameri cans wi t hDi sabi l i t i es Act ( ADA) .

Page 198: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 198/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 198 Effective May 17, 2012

2. Gr ates shal l al l ow f or breakaway r i ng r emoval t o expand t he openi ng.

3. Rect angul ar or square t r ee gr ates shal l have a mi ni mum gr ate area of24 square f eet . Ci r cul ar t r ee gr ates shal l have a nomi nal mi ni mumgr ate ar ea of 23. 75 squar e f eet ( 5. 5- f oot di amet er ) .

4. Tr ee gr at e and f r ame shal l be i nst al l ed per manuf act ur er ’ s wr i t t eni nstr uct i ons.

5. I f l ar ge area t r ee gr at es ar e not avai l abl e or cannot be used,mul t i pl e tr ee gr ates may be used t o ef f ect i vel y creat e a si ngl e t r eegr at e around t he t r ee wi t h t he use of permeabl e mater i al s ( e.g. pavers)  over t he remai nder of t he speci f i ed mi ni mum area.

E. Staki ng and Guyi ng

 Tr ees l ocat ed wi t hi n t r ee grat es shal l not r equi r e st aki ng or guyi ng.

13-18-004-0005.3 Root Control

 Tr ees pl anted wi t hi n f our f eet of bui l di ngs, r oads, wal kways, and si mi l arsi t uat i ons, shal l be pr ovi ded wi t h r oot cont r ol syst em speci f i ed i n Sect i on13- 18- 004- 0005. 5.

13-18-004-0005.4 Structural Soils

St r uct ur al soi l mi xes ar e t wo- phase syst ems compr i sed of a st one skel et on orl at t i ce f or st r engt h, and soi l f or hor t i cul t ur al needs. Pr opr i et ar ydi st r i but or s shal l pr ovi de speci f i cat i ons, compact i on dat a, and t est i ngr esul t s. Desi gns shal l be submi t t ed t hat suppor t t he l ong- t er m heal t h of t het r ee and mi ni mi ze heavi ng of adj acent pavi ng.

13-18-004-0005.5 Root Barriers 

Root bar r i er s shal l be one cont i nuous pi ece ( not i nt er l ocki ng) , shal l be ami ni mum of 24” i n dept h, and i nst al l ed such t hat t he top i s even wi t h t he topof pavement .

13-18-004-0005.6 Staking

A. St aki ng and st r appi ng shal l be pr ovi ded f or al l t r ee i nst al l at i ons.St akes ar e t o be dr i ven 3 f eet ver t i cal l y i nt o f i r m soi l out si de t hepl ant pi t and shal l be pl aced accor di ng t o t r ee hei ght or cal i per asf ol l ows:

1. deci duous t r ees 2 i nches and under - one st ake or i ent ed nort hwest

2. deci duous t r ees l arger t han 2 i nches but l ess t han 3 i nches andever gr een t r ees l ess t han 5 f eet i n hei ght - t wo stakes or i ent ednor t hwest and sout heast ;

3. deci duous t r ees 3 i nches and l arger and evergr een t r ees 5 f eet andl arger - t hr ee st akes wi t h one or i ent ed nort hwest and t he ot her t woor i ent ed 120 degr ees i n ei t her di r ect i on f r om nor t hwest .

St akes shal l be par al l el or sl i ght l y angl ed away f r om t he t r unk.

Page 199: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 199/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 199 Effective May 17, 2012

B. A doubl e st r and of wi r e shal l be r un t hrough one gr ommet i n t he st r ap,t he st r ap wr apped around t r unk at no more than one- t hi r d t he hei ght oft r ee, af t er whi ch t he wi r e shal l be r un t hrough other gr ommet and back t ost ake.

1. St r ap and wi r e at t achment between t he st ake and t r ee shal l beadj ust ed so t hat st r aps are under j ust enough t ensi on t o avoi dvi s i bl e sag i n l i nes .

a. Ri gi d guyi ng shal l not be accept ed.

b. St r aps and wi r es shal l be pl aced so as t o be per pendi cul ar t ot he t r unk.

13-18-004-0005.7 Wrapping

A. Al l deci duous t r ees shal l be wr apped bet ween Oct ober 15 and November 30of t he year i n whi ch t hey ar e pl ant ed. Speci f i ed t r ee wr ap shal l be cuti n a cont i nuous st r i p of suf f i ci ent l engt h t o wr ap t he t r ee. Thi swr appi ng shal l begi n at t he gr ound l i ne wi t h over l appi ng wr aps of 1- 1/ 2i nches t ermi nat i ng above t he l owest mai n br anch of t he t r ee.

1. Fi nal wr ap shal l be secur ed wi t h t ape i n at l east t hr ee pl aces.

B. Tree wr ap shoul d be r emoved between Apr i l 1- 15 of t he f ol l owi ng spr i ng.

13-18-004-0006 Hardscape

Fl agst af f Ci t y Code, Ti t l e 13, Engi neer i ng and Const r uct i on St andar dspr ovi des st andards f or t he desi gn and const r uct i on of medi ans and par kways,si dewal ks, and si mi l ar hardscape el ement s, and i s i ncor porated her ei n by

r ef er ence.

13-18-004-0007 Landscape Boulders and Rock Work

A. Boul der s may be i ncorpor ated i nt o l andscapi ng of r i ght s- of - way i n amanner t hat r ef l ect s t he charact er of t he communi t y’ s natur alenvi r onment .

1. Sel ect ed boul der s shal l be nat i ve t o t he r egi on unl ess an al t er nat esel ect i on i s used and appr oved f or a speci f i c desi gn ef f ect .

2. Boul ders shal l have r ounded nat ur al edges and a character and shapeconsi st ent wi t h nat ur al r ock set t i ngs.

3. No spl i t , br ui sed f ace, sl ab t ype, l ayer ed or sl i de boul der s shal lbe used wi t hout pr i or appr oval and accept ance.

B. Boul der s shal l be set on compact ed nat i ve materi al and shal l be set i nt ot he f i ni sh gr ade, appr oxi matel y 1/ 3 the dept h of t he boul der .

C. Rockwor k j oi nt s shal l be made t i ght by but t i ng nat ur al f aces t oget her i npl ace. Soi l gr ades shal l be adj ust ed t o st abi l i ze r ocks i n posi t i on andr egr aded i n pl ace to est abl i sh the pl acement of each rock so that t hey

Page 200: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 200/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 200 Effective May 17, 2012

bl end nat ur al l y i nt o adj acent t er r ai n. Rockwor k i s t o be pl aced byt er r aci ng or st epped l ayer s t o achi eve a nat ur al i zed ef f ect .

13-18-004-0008 Hydroseeding

Hydr oseedi ng means, mat er i al s and met hods i s descr i bed and speci f i ed underChapt er 13- 17, Er osi on Cont r ol .

13-18-005 Maintenance

13-18-005-0001 Responsibility

 The adj acent proper t y owner i s r esponsi bl e f or mai nt enance of t he r i ght - of -way ar ea bounded by t he pr opert y l i ne and the f ace of t he cur b (or edge ofr oad pavement ) f or t he f ul l wi dt h of t he pr oper t y. A mai nt enance di st r i ct , abusi ness i mpr ovement di st r i ct , homeowner s associ at i on, or t he Ci t y ofFl agst af f may, by pr i or agr eement , be r esponsi bl e f or such mai nt enance. TheCi t y of Fl agst af f per f orms mai nt enance of al l medi ans. Cont act t he Par ksDi vi si on f or mor e i nf or mat i on.

13-18-005-0002 General Requirements

A. Mai ntenance shal l be per f ormed on an ongoi ng basi s as needed.

B. Requi r ed mai nt enance i ncl udes i r r i gat i on, weedi ng, mowi ng, pr uni ng,r epl acement of dead or di seased pl ant s, cl eani ng, r aki ng, snow r emoval ,pest cont r ol , and ot her wi se car i ng f or and r epai r i ng al l t he l andscapemater i al s, i ncl udi ng si dewal ks and st r eet t r ees. Requi r ed mai nt enanceal so i ncl udes r emoval of wi l df i r e f uel s such as dead pl ant s and l i mbs,t hi nni ng of t r ee and shr ub densi t i es, and weed cont r ol .

C. Repl acement and r epai r s shal l be per t he appr oved st r eet scape pl an, or i n

t he absence t her eof , per t hese st andards.

D. Mai nt enance pr i or i t y shal l be gi ven t o i nst al l at i on, pl acement , andpl ant i ng saf et y i t ems i ncl udi ng l i nes of si ght , bl ockage, and wi nt eri ci ng.

E. Mai nt enance of pl ant mat er i al s, speci f i cal l y i ncl udi ng t r i mmi ng andpr uni ng, shal l conf or m t o appl i cabl e hor t i cul t ur e and ar bor i cul t ur est andar ds.

F. Gener al weeds shal l not be per mi t t ed t o exceed a hei ght of s i x i nches.

1. Noxi ous weeds shal l be ent i r el y r emoved.

2. Cut or ot her wi se removed weeds shal l be col l ected and pr operl ydi sposed of and shal l not be l ef t on t he gr ound.

Page 201: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 201/382

Page 202: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 202/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 202 Effective May 17, 2012

hazar d exi st s by vi r t ue of unper f ormed mai nt enance, t he Ci t y shal l have ther i ght t o per f orm such mai nt enance at t he expense of t he pr oper t y owner .

 The Ci t y shal l have t he r i ght t o prune or r emove pl ant mat er i al upon pr i vat epr oper t y at t he expense of t he pr oper t y owner when i t ( 1) i nt er f er es wi t h t he

pr oper spr ead of l i ght al ong t he st r eet f r om a st r eet l i ght , ( 2) i nt er f er eswi t h t he vi si bi l i t y of any t r af f i c cont r ol devi ce or si gn, or ( 3) ot her wi seposes a t hr eat t o the publ i c saf et y.

 The cost s of such mai nt enance shal l be assessed agai nst t he propert y ownerand shal l const i t ut e a l i en on t he pr oper t y unt i l pai d.

13-18-009 Definitions

13-18-009-0001 Definitions

“Berm” r ef ers t o a mound of ear t h.

“Hardscape” i ncl udes wal kways, si dewal ks, pl azas, si t e wal l s, r et ai ni ngwal l s, gar den wal l s, f ur ni t ur e, bus shel t er s, boul der s, f ount ai ns,scul pt ur e, and ot her non- pl ant mat er i al s used i n l andscapi ng.

“Landscape” r ef er s col l ect i vel y t o t he pl ant s and hardscape i n apr escri bed area, and may i ncl ude non- l i vi ng gr ound cover s, gr adi ng,i r r i gat i on syst ems, and si mi l ar anci l l ar y mat er i al s, pr ocesses, andsyst ems.

“Landscapi ng” i s somet i mes used i n l i eu of t he word “l andscape”, but canal so mean t he pl acement of l andscape mater i al s i n a pr escr i bed area i n anorgani zed and harmoni ous f ashi on.

“Medi an” r ef er s t o a non- dr i vi ng surf ace wi t hi n a st r eet , bet ween t he t wo

cur bs, gener al l y al ong t he f l ow of t r af f i c and ser vi ng as a di vi derbet ween opposi ng di r ect i ons or movement s.

“Mul ch” i s an i ner t or or gani c mat er i al pl aced ar ound pl ant s t o pr eventevapor ati on of moi st ur e, f r eezi ng of r oot s, gr owt h of weeds, and f oraest het i c val ue.

“Noxi ous Weeds” ar e speci f i ed by l aw or r egul at i on t o be par t i cul ar l yundesi r abl e, destr ucti ve, and di f f i cul t t o cont r ol .

“Par kway” r ef er s t o the area bet ween t he cur b and t he si dewal k or t r ai l .Where ther e i s no cur b, t he edge of pavement shal l del i neat e the parkway.Wher e ther e i s no si dewal k or t r ai l , t he par kway shal l extend to t her i ght - of - way boundar y l i ne.

“Pl ant s” ar e l i vi ng t r ees, shr ubs, and gr oundcover s.

“Ri ght - of - Way” r ef ers t o any pr oper t y under t he ownershi p and/ or cont r olof t he Ci t y and used f or publ i c str eet , access, t r ai l , or si mi l ar andr el at ed pur poses.

“Soi l Sol ar i zat i on” i s a non- chemi cal t echni que t hat ut i l i zes t he sun’ sheat t o ki l l weeds usi ng cl ear pl asti c seal ed over moi st soi l s andal l owi ng a f ew weeks f or a f ew seed germi nat i on cycl es.

Page 203: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 203/382

  CHAPTER 13-18

LANDSCAPING STANDARDS FOR RIGHTS-OF-WAY

Engineering Design Standards 203 Effective May 17, 2012

“St r eet I mpr ovement s” i ncl ude new i nst al l at i ons, r enovat i ons,r epl acement s, or si gni f i cant r epai r s t o road sur f aces, si dewal ks, cur bsand gut t er s, and si mi l ar har dscape el ement s wi t hi n the r i ght - of - way, butdoes not i ncl ude mai nt enance work such as seal i ng or st r i pi ng.

“St r eet Trees” ar e t r ees pl ant ed wi t hi n parkways or medi ans.

“Ur ban St r eet Tr ees” are t r ees i n t r ee wel l s wi t hi n narr ow parkways ormedi ans t hat other st andards woul d requi r e pavi ng i nst ead of l andscapi ng.

“Weeds” are pl ant s t hat ar e compet i t i ve, per si st ent , and per ni ci ous ori nt er f er e wi t h human act i vi t i es and as a r esul t ar e undesi r abl e.

Page 204: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 204/382

  CHAPTER 13-19

IRRIGATION SYSTEMS

Engineering Design Standards 204 Effective May 17, 2012

CHAPTER 13-19

Irrigation Systems

Sections:

13-19-001  Criteria

13-19-002  Irrigation Plans13-19-003  System Flushing and Testing

13-19-004  Products, Material, and Equipment

13-19-001-0001  General Design Criteria13-19-001-0002  General System Criteria

13-19-002-0001  Irrigation Plans

13-19-003-0001  System Flushing and Testing

13-19-004-0001  Supplemental Products, Materials, and Equipment

13-19-004-0002  Products, Materials and Equipment

Section 13-19-001-0001 General Design Criteria

A. Spr i nkl er I r r i gat i on Syst em I nst al l at i on shal l be i n accor dance wi t h MAGSpeci f i cat i on 440 unl ess modi f i ed by Ci t y of Fl agst af f Engi neer i ngSt andar ds. Wher ever avai l abl e, pr ef er ence i s gi ven f or t he use ofr ecl ai m wat er i r r i gat i on syst ems.

1. I r r i gat i on syst em st at i c pr essur e r ange shal l not var y by mor e t han10% and shal l be desi gned to pr ovi de f or a maxi mum pr essure of 85psi .

2. Desi gn i r r i gat i on syst em l at er al pi pi ng t o l i mi t pr essur e dr ops t ol ess t han 20% of t he aver age spr i nkl er oper at i on pr essur e.

3. I nst al l spr i nkl er heads and nozzl e t ypes of t he same manuf act ur er andpr essur e r at i ng wi t hi n t he same i r r i gat i on zone.

4. Zone t he i r r i gat i on syst em accor di ng t o pl ant wat er r equi r ement s,t ar get i ng pl ant s wi t h si mi l ar wat er requi r ement s. Zone t r ees,shr ubs, pl ant i ng beds, t ur f and hydr oseed ar eas separat el y.

5. I nt egr ate exi st i ng and new i r r i gat i on syst ems t o i nsure a homogeneoussyst em wi t h bal anced cover age. When t her e i s an al t er at i on t o anexi st i ng i r r i gat i on syst em, t est exi st i ng mai nl i ne, cont r ol val ves,l at er al l i nes, spr i nkl er s, dr i p l i nes and wi r i ng pr i or t oal t er nat i on. Per f or m mai nl i ne st at i c and wor ki ng pr essur e t est s,l at er al l i ne wor ki ng pr essur e, GPM and cover age t est s and ci r cui tcont i nui t y t esti ng f or cont r ol wi r i ng.

6. Desi gn al l spr i nkl er l ayout s f or head t o head cover age.

7. Pr ovi de mat ched pr eci pi t at i on r at es f or spr i nkl er s wi t hi n t he samei r r i gat i on zone.

Page 205: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 205/382

  CHAPTER 13-19

IRRIGATION SYSTEMS

Engineering Design Standards 205 Effective May 17, 2012

8. Cont i ngent upon soi l t ext ur e and sl ope, pr eci pi t at i on r at es shal l notexceed i nf i l t r at i on r at es.

9. Desi gn mai nl i ne f l ow based upon t he l argest zone GPM pl us a si ngl e

qui ck coupl er at 20 GPM.

10. Desi gn pi pi ng wi t h a hori zont al l ayout on sl opes. Do not desi gn wi t hel evat i on changes t hat exceed t he capaci t y of spri nkl er check val ves.Compensat i ng emi t t er s shal l be requi r ed on sl opes.

11. I r r i gat i on syst em as- bui l t pl ans shal l be pr ovi ded t o t he Par ks andRecreat i on Di vi si on. Pr ef er ence i s f or as- bui l t pl ans t o besubmi t t ed on compact di sc ( CD) . Pr ovi si on of as- bui l t pl ans i s acondi t i on of pr oj ect accept ance.

12. The backf l ow pr event i on devi ce shal l be test ed by a cer t i f i ed t est erpr i or t o pr oj ect accept ance.

13. The cont r act or shal l be r esponsi bl e f or pr ovi di ng and i nst al l i ng al lnecessary si gnage f or r ecl ai med water syst ems. Recl ai m work shal lcompl y wi t h Ti t l e 18, Chapt er 9, Ar t i cl es 6 and 7 of t he Ar i zonaAdmi ni st r at i ve Code.

Section 13-19-001-0002 General System Criteria

A. A manual shut of f bal l val ve i s r equi r ed t o i sol at e t he i r r i gat i on syst emf r om t he water suppl y mai n.

B. Provi de a qui ck coupl er val ve at a maxi mum di st ance of t wo hundr ed ( 200)f eet t hr oughout t he pr oj ect . Locat e qui ck coupl er val ves t o mi ni mi ze t henecessi t y of water hoses cr ossi ng wal kways, dr i veways and r oads.

C. Spr i nkl er swi ng assembl i es shal l be one pi ece and shal l not exceed t went yf our ( 24) i nches.

D. Pr ovi de t wo spar e cont r ol wi r es t o al l r emot e mai nl i ne l egs. A spar ecommon wi r e shal l be i nst al l ed t hr ough t he ent i r e pr oj ect . A spar e hotwi r e i s r equi r ed t o be r un t o ever y val ve.

E. The Pr oMax r emot e cont r ol l er shal l be har d wi r ed i nt o each i r r i gati oncont r ol l er per manuf acturer ’ s wr i t t en i nst r ucti ons.

F. Pr ovi de a t hr ee f oot l oop of i r r i gat i on wi r i ng at each val ve box.

G. Al l i r r i gat i on wi r i ng shal l be cont ai ned i n adequat el y si zed condui t .

H. Locate val ve boxes, val ves and qui ck coupl er val ves at a mi ni mum oft hi r t y si x ( 36) i nches f r om har dscape edges.

I . Al l backf l ow pr event i on devi ces shal l be cont ai ned i n an i nsul at ed hotbox.

 J . I sol at i on bal l val ves ar e r equi r ed bef or e al l el ect r i c cont r ol val ves.

K. A qui ck coupl er i s r equi r ed i mmedi atel y f ol l owi ng t he backf l ow pr event i ondevi ce.

Page 206: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 206/382

  CHAPTER 13-19

IRRIGATION SYSTEMS

Engineering Design Standards 206 Effective May 17, 2012

L. A f i l t er i s requi r ed i mmedi at el y pr i or t o t he backf l ow pr event i on devi ce.

M. St r ai ner s are r equi r ed a mi ni mum of every 200 l i near f eet i n t he mai ni r r i gat i on l i ne.

N. A surge pr otect i on devi ce and qui ck di sconnect box shal l be pl aced bef oret he i rr i gat i on cont rol l er .

O. A t went y amp br eaker i s r equi r ed i n t he back f l ow prevent i on devi ce hotbox ( f or heat t ape use) .

P. Provi de a t ee, wi t h a pl ug f aci ng up, af t er t he water met er and bef oret he backf l ow pr event i on devi ce.

Q. Provi de a bal l val ve on t he mai n water l i ne af t er t he cur b st op andbef or e t he t ee wi t h pl ug. Bal l val ve and pl ug shal l be cont ai ned wi t hi nt he same i r r i gat i on box.

R. Emi t t er s shal l come of f of PVC l i ne and not dr i p t ubi ng.

S. A manual dr ai n val ve shal l be pl aced at t he end of t he i r r i gat i on wat ermai n l i ne and at t he end of each system l i ne.

 T. Tel escopi ng uni ons ( sl i p f i x) shal l be pl aced af t er t he el ect r i c cont r olval ves.

U. Sl eeves ar e r equi r ed bel ow si dewal ks, dr i veways, t r ai l s, r et ai ni ng wal l s,and/ or ot her si mi l ar f eatures and shal l extend t en ( 10) i nches past t hest r uct ur es. Sl eeves shal l be set a mi ni mum of t went y f our ( 24) i nchesdeep.

V. Al l dr i p t ubi ng shal l be i nst al l ed at a mi ni mum of t hr ee ( 3) i nches deep.

WW. The mai n i r r i gat i on l i ne and t he i r r i gat i on wi r es shal l share t he samet r ench. The t r ench shal l be a mi ni mum of t went y f our ( 24) i nches deep.

X. The t r ench f or l at er al i r r i gat i on l i nes shal l be a mi ni mum of ei ght een( 18) i nches deep.

 Y. Tr enches shal l not be backf i l l ed unt i l al l r equi r ed i nspect i ons and t est sare per f ormed.

Z. Al l PVC i r r i gat i on l i nes shal l be bedded, shaded and backf i l l ed t o f our( 4) i nches above t he t op of pi pe wi t h cl ean nati ve or f i ne gr anul ari mpor t mat er i al , f r ee of cl ods, st one or ot her del et er i ous mat er i al , one-hal f ( 1/ 2) i nch i n di amet er or l ar ger . Backf i l l above t he i ni t i albackf i l l i ng, as descri bed above, shal l be cl ean nat i ve or f i ne gr anul ari mpor t mat er i al , f r ee of cl ods, st one or ot her del et er i ous mat er i al , oneand one- hal f ( 1- 1/ 2) i nch i n di amet er or l ar ger . I n t ur f ar eas, t he one-hal f ( 1/ 2) i nch maxi mum si ze of cl ods, st one or ot her del et er i ousmat er i al shal l appl y f or a l l backf i l l .

AA. Pi pe backf i l l i ng shal l be i n si x (6) i nch maxi mum l i f t s, mechani cal l ycompact ed, t o a dr y densi t y equal t o adj acent undi st ur bed soi l s i nl andscaped ar eas. Compact i on beneat h pavement s and ot her hardscape

Page 207: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 207/382

  CHAPTER 13-19

IRRIGATION SYSTEMS

Engineering Design Standards 207 Effective May 17, 2012

shal l be as speci f i ed on t he pl ans and/ or i n t he appl i cabl especi f i cat i ons.

BB. Backf i l l shal l conf or m t o t he l i ne and el evat i on of adj acent gr ades wi t hno sur f ace i r r egul ar i t i es.

CC. I f set t l ement occur s, t he Cont r act or shal l make al l necessary adj ust ment sand r epai r s t o pi pes, val ves, heads, l awns, pl ant i ngs and ot herconst r uct i on at no cost t o the Owner .

DD. I r r i gat i on mar ki ng t ape i s r equi r ed t o be i nst al l ed over t he i r r i gat i onwat er mai n at a nomi nal dept h of t wel ve ( 12) i nches.

Section 13-19-002-0001 Irrigation Plans

Mi ni mum pl an requi r ement s i ncl ude a schemat i c ut i l i t y connect i on det ai l ,i r r i gat i on l egend, pi pi ng di agr ams, pi pe di amet er and desi gn cal cul at i ons.

Section 13-19-003-0001 System Flushing and Testing

A. MAG Sect i on 440. 10, Fl ushi ng and Test i ng shal l appl y.

B. An oper at i onal t est of t he i r r i gat i on syst em i n t he pr esence of t he Ci t yof Fl agst af f aut hor i zed r epr esent at i ve i s requi r ed. The cover age t estshal l be per f or med af t er spr i nkl er heads have been i nst al l ed and shal ldemonst r at e t hat each secti on or uni t i n t he i r r i gat i on syst em i sbal anced t o pr ovi de uni f orm head t o head cover age of t he servi ce area.

D. I r r i gat i on systems shal l be war r ant ed agai nst def ect s i n mat er i al s andworkmanshi p f or one year f r om dat e of accept ance.

Section 13-19-004-0001 Supplemental Products, Materials, and Equipment

A. Pr ovi de suppl ement al i nvent or y of t he f ol l owi ng i t ems t o t he Ci t y:

1. For each si ze of uni t i nst al l ed, pr ovi de one addi t i onal qui ckcoupl i ng val ve, qui ck coupl i ng val ve oper at i ng key and qui ck coupl i ngval ve hose swi vel .

2. Pr ovi de one addi t i onal cont r ol l er key pad f or each t ype of i r r i gat i oncont rol l er i nstal l ed.

3. Provi de one addi t i onal cont r ol l er progr ammi ng/ access key per pr oj ectf or t he sol ar i rr i gat i on cont rol l er .

4. Provi de one ProMax r emot e cont r ol l er and adapt er cor d wi t h pl ug ateach end.

5. Pr ovi de an addi t i onal 10% of t he i nst al l ed quant i t y of spr i nkl erheads, emi t t er s and i r r i gat i on cont r ol val ves.

Section 13-19-004-0002 Products, Materials and Equipment

Al l pr oduct s ar e i ndi cat i ve of t he qual i t y ant i ci pat ed f or t he wor k and “orequal ” i s appl i cabl e wi t h pr i or Ci t y of Fl agst af f appr oval :

Page 208: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 208/382

  CHAPTER 13-19

IRRIGATION SYSTEMS

Engineering Design Standards 208 Effective May 17, 2012

Backf l ow Prevent i on Devi ce Febco 825 YA

Backf l ow Encl osure Lok Box or Hot BoxShal l be an i nsul ated box. Cage i s notaccept abl e.

Pressur e Regul ator Wat t s or Febco

Qui ck Coupl i ng Val ves Rai nbi r d 44 LRC, 44K ( 1”) val ve key & hoseswi velRai nbi r d 7, 1 pi ece body, 7K ( 1- 1/ 2”) val vekey & hose swi vel

Cont r ol Val ves Weat her mat i c 11000 Ser i es

I r r i gat i on Val ve Boxes Car son #1 & #2, Model 1220Recl ai m shal l be pur pl e. Pot abl e shal l begr een.

St r ai ners Wat t s or Febco

Dr i p Syst em Pr essur eRegul ator

Wat t s or Febco

Dr i p Syst em Emi t t er s Quadr a Bubbl erOct a Bubbl er Syst emBowsmi t h ML 200 Mul t i - emi t t erBowsmi t h SL 206 Si ngl e Emi t t er

El ect r i c I r r i gat i onCont r ol l er s

Rai nbi r d Maxi Com Cent r al Cont r ol Syst em- ProMax r emote cont r ol r equi r edRai nsaf e Cont r ol Syst em - pr eassembl ed wi t hcont r ol l er uni t , mast er val ve f l ow sensor

Rai nbi r d ESP- SAT Ser i es Cont r ol l er ( whenr equi r ed)

Spr ay Heads Hunt er : I - 40/ PGP/ I - 25 St ai nl ess St eelRi ser/ PS Ser i es 2”&6”

 Tor o: Ser i es 300 or 570 or 640 or Super600 or V- 1550Rai nbi r d: 1800 Ser i es – 6”, 8” & 12”

Pi pi ng PVC pi pes and f i t t i ngs shal l be schedul e 40PVC Cement : medi umbodi ed, pr i mer r equi r edCopper t ubi ng shal l be K copperPol y dr i p t ubi ng: al l owed onl y af t eremi t t er s

Manual Val ves Shal l be r esi l i ent seated bal l val ve

Mast er Val ves– r equi r ed on mai n l i ne of

i r r i gat i on system

Less t han 2”: Gr i swol d Mast er Val ve- a pr essur e r educi ng val ve i s r equi r ed2” or l arger : Si nger Model #106- PR- SC24V

Fl ow Sensor Compat i bl e wi t h Maxi Com Syst em. Requi r edon mai n l i ne of i r r i gat i on syst em.

Page 209: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 209/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 209 Effective May 17, 2012

CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS AND

 M.A.G.UNIFORM STANDARD DETAILS

Sections:

13-21-001  Revisions to M.A.G. Uniform Standard Specifications

13-21-002  Revisions to M.A.G. Uniform Standard Details

13-21-001-0010  Flagstaff Addendum to M.A.G. Uniform Standard

Specifications for Public Works Construction13-21-001-106.2  M.A.G. Spec. 106.2 – Control of Materials – Samples and

Tests of Materials

13-21-001-0107.7  M.A.G. Spec. 107.7 – Barricades and Warning Signs13-21-001-0108.5  M.A.G. Spec 108.5 - Limitations of Operations13-21-001-0211.2  M.A.G. Spec. 211.2 – Fill Construction – Placing

13-21-001-0211.3  M.A.G. Spec 211.3 – Fill Construction – Compacting13-21-001-0301.3  M.A.G. Spec. 301.3 – Sub-grade preparation – Relative

Compaction13-21-001-0310.2  M.A.G. Spec. 310.2 – Untreated Base – Placing13-21-001-0311.2  M.A.G. Spec. 311.2 – Soil Cement Base Course – Materials

13-21-001-0311.4  M.A.G. Spec. 311.4 – Soil Cement Base Course –

Construction Methods13-21-001-0321.5  M.A.G. Spec. 321.5 – Asphaltic Concrete Paving –

Placing, Spreading, and Finishing

13-21-001-0321.5.3  M.A.G. Spec. 321.5.3 – Asphaltic Concrete Pavement –Leveling Course

13-21-001-0321.5.4  M.A.G. Spec. 321.5.4 – Asphaltic Concrete Pavement –

 Asphalt Base and Surface Course13-21-001-0321.6  M.A.G. Spec. 321.6 – Asphaltic Concrete Pavement –

Corrective Requirements for Deficiencies

13-21-001-0330.2.1  M.A.G. Spec. 330.2.1 – Asphalt Chip Seal – Materials – Asphalt

13-21-001-0330.3  M.A.G. Spec 330.3 – Asphalt Chip Seal – Time of Application and Weather Conditions

13-21-001-0330.4.8  M.A.G. Spec. 330.4.8 – Asphalt Chip Seal – Protection to Adjacent Propertynk

13-21-001-0336.2.3  M.A.G. Spec. 336.2.3 – Temporary Pavement Replacement13-21-001-0336.2.4  M.A.G. Spec. 336.2.4 – Pavement Matching and Surface

Replacement – Permanent Pavement Replacement

13-21-001-0340.2  M.A.G. Spec. 340.2 – Concrete Curb, Gutter, Sidewalk,Driveway and Alley Entrance – Materials

13-21-001-0340.3  M.A.G. Spec. 340.3 – Concrete Curb, Gutter, Sidewalk,

Driveway and Alley Entrance – Construction Methods13-21-001-0342.2.1  M.A.G. Spec. 342.2.1 – Decorative Pavement – Sand

 Aggregate Base Course

13-21-001-0342.2.4  M.A.G. Spec. 342.2.4 – Decorative Pavement – Brick

13-21-001-0342.3.3  M.A.G. Spec. 342.3.3 – Decorative Pavement – Header13-21-001-0342.3.4  M.A.G. Spec. 342.3.4. – Decorative Pavement – Concrete

Paving Stones

Page 210: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 210/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 210 Effective May 17, 2012

13-21-001-0342.3.6  M.A.G. Spec. 342.3.6 – Decorative Pavement – Sand Laying

Course13-21-001-0345.2  M.A.G. Spec. 345.2 – Adjusting Frames, Covers, Valve

Boxes, and Water Meter Boxes – Adjusting Frames

13-21-001-0345.3  M.A.G. Spec. 345.3 – Adjusting Frames, Covers, ValveBoxes, and Water Meter Boxes – Adjusting Valve Boxes

13-21-001-0401.5  M.A.G. Spec. 401.5 – Right-of-Way and Traffic Control

General Traffic Regulations13-21-001-0505.3  M.A.G. Spec. 505.3 – Concrete Structures – Forms13-21-001-0505.6  M.A.G. Spec. 505.6 – Concrete Structures – Placing

Concrete13-21-001-0505.6.2  M.A.G. Spec. 505.6.2 – Concrete Structures – Adverse

 Weather Concreting13-21-001-0601.2.3  M.A.G. Spec. 601.2.3 – Water and Sewer – Trench Grade

13-21-001-0601.2.9  M.A.G. Spec. 601.2.9 – Water and Sewer – TrenchExcavation, Backfill and Compaction – Shoring and

Sheeting

13-21-001-0601.4.3  M.A.G. Spec. 601.4.3 – Trench Excavation, Backfill andCompaction – Backfill

13-21-001-0601.4.4  M.A.G. Spec. 601.4.4 – Water and Sewer – Trench

Excavation, Backfill and Compaction – CompactionDensities

13-21-001-0610.10  M.A.G. Spec. 610.10 – Connection to Existing Mains13-21-001-0625.3  M.A.G. Spec. 625.3 – Manhole Construction and Drop Sewer

Connections – Construction Methods

13-21-001-0702.1  M.A.G. Spec. 702.1 – Base Materials – General

13-21-001-0702.2.2  M.A.G. Spec 702.2.2 – Base Materials – Crush Aggregate –Grading

13-21-001-0710.2.1  M.A.G. Spec. 710.2.1 – Asphaltic Concrete – Material –

 Asphalt Cement13-21-001-0710.2.2  M.A.G. Spec. 710.2.2 – Asphalt Concrete – Material -

 Aggregate

13-21-001-0710.3.1  M.A.G. Spec 710.3.1 – Asphalt Concrete – Mixed DesignRequirements – General

13-21-001-0710.3.2.1 M.A.G. Spec 710.3.2.1 – Asphalt Concrete – Mixed Design

Requirements – Marshall Mix Design13-21-001-0710.4.2  M.A.G. Spec 710.4.2 – Asphalt Cement Content

13-21-001-0713.1  M.A.G. Spec. 713.1 – Emulsified Asphalts - General13-21-001-0716.2.1  M.A.G. Spec. 716.2.1 – Cover Material – Stone Chips -

General13-21-001-0716.2.3  M.A.G. Spec. 716.2.3 – Cover Material – Gradation

13-21-001-0725.1  M.A.G. Spec. 725.1.1 – Portland Cement Concrete –Classes of Concrete

13-21-001-0725.3  M.A.G. Spec. 725.3 – Portland Cement Concrete Aggregates

13-21-001-0725.5  M.A.G. Spec. 725.5 – Portland Cement Concrete – Water13-21-001-0750.2 M.A.G. Spec. 750.2 – Iron Water Pipe and Fittings,

Ductile Iron Water Pipe

13-21-001-0750.3 M.A.G. Spec 750.3 – Iron Water Pipe and Fittings, JointRequirements

13-21-001-0760.1  M.A.G. Spec. 760.1 – Coating Corrugated Metal Pipe and

 Arches – General

13-21-001-0010 FLAGSTAFF ADDENDUM TO M.A.G. UNIFORM STANDARD SPECIFICATIONSFOR PUBLIC WORKS CONSTRUCTION

Page 211: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 211/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 211 Effective May 17, 2012

 THI S ADDENDUM I S BASED ON THE MARI COPA ASSOCI ATI ON OF GOVERNMENTSUNI FORM STANDARD SPECI FI CATI ONS AND STANDARD DETAI LS FOR PUBLI C WORKSCONSTRUCTI ON ( M. A. G. SPECS AND DETAI LS) LATEST REVI SI ONS.EACH CHAPTER NUMBER I NDI CATES THE SECTI ON OF M. A. G. SPECI FI CATI ONS ONWHI CH THE CHANGE I S MADE.

PARAGRAPH NUMBER REFERENCES ARE COUNTED FROM THE BEGI NNI NG OF THERESPECTI VE TI TLE.

13-21-01-0106.2 M.A.G. Spec. 106.2 – Control of Materials – Samples andTests of Materials

 Thi r d paragraph; r evi sed second sent ence t o r ead as f ol l ows:

Unl ess ot herwi se speci f i ed, sampl es and t est s wi l l be made i naccordance wi t h ei t her : t he Mater i al s Test i ng Manual of t he

Cont r act i ng Agency; t he st andar d met hods of AASHTO, ASTM, or ADOT,whi ch wer e i n ef f ect and publ i shed at t he t i me of adver t i si ng f or bi ds.

13-21-001-0107.7 M.A.G. Spec. 107.7 – Barricades and Warning Signs

Revi sed to i ncl ude the f ol l owi ng:

 The Tr af f i c Bar r i cade Manual r ef er r ed t o under t hi s sect i on andt her eaf t er i n t he St andar d Speci f i cat i ons shal l be par t of VI of t heFeder al Hi ghway Admi ni st r at i on’ s Manual on Uni f or m Tr af f i c Cont r olDevi ces ( MUTCD) .

13-21-001-0108.5 M.A.G. Spec. 108.5 – Limitations of Operations

Add new 5th and 6th par agr aph:

 The on- si t e cont r act or shal l conf i ne al l const r uct i on and empl oyeeoperat i ons t o t he si t e f or whi ch a permi t has been i ssued. No empl oyeepar ki ng, const r ucti on acti vi t y, or f abr i cat i on shal l be al l owed i npubl i c r i ght - of - way or easement s.

 The cont r act or shal l appl y f or an encr oachment permi t f or ut i l i zi ngpubl i c r i ght - of - way f or mat er i al st or age or a const r ucti on of f i ce,except f or wor k aut hor i zed by a ri ght - of - way per mi t .

13-21-001-0211.2 M.A.G. Spec. 211.2 – Fill Construction – Placing

Four t h par agr aph, r evi se l ast sent ence t o read as f ol l ows:

However , such materi al shal l not be pl aced wi t hi n 3 f eet of t hef i ni shed subgr ade of t he f i l l . *

13-21-001-0211.3 M.A.G. Spec 211.3 – Fill Construction – Compacting

Fi f t h par agr aph; r evi sed l ast sent ence t o read as f ol l ows:

Each l ayer shal l be compact ed t o a uni f orm densi t y of not l ess t han 95per cent , or as di r ect ed by t he Engi neer .

Page 212: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 212/382

Page 213: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 213/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 213 Effective May 17, 2012

13-21-001-0311.4 M.A.G. Spec. 311.4 – Soil Cement Base Course – Construction

 Methods

Second par agr aph, r evi se t o i ncl ude the f ol l owi ng:

Soi l cement base cour se shal l not be mi xed wi t h or pl aced on any f r ozenmat er i al ; at t he t i me of mi xi ng and pl aci ng, t he ai r t emper at ur e shal lbe 40ºF ( 5ºC) and ri si ng, and t he sur f ace temperat ur e shal l be 45ºF( 10ºC) . The soi l cement base cour se shal l be pr ot ect ed f r om f r eezi ngf or a mi ni mum per i od of seven ( 7) days.

13-21-001-0321.5 M.A.G. Spec. 321.5 – Asphaltic Concrete Paving – Placing,

Spreading and Finishing

Add t he f ol l owi ng par agr aphs af t er t he f i r st par agr aph:

Asphal t concr et e shal l onl y be pl aced upon a sur f ace of at l east 70ºF.

 The t emperat ure of t he asphal t concr et e of any cour se, j ust pr i or t ot he dumpi ng of t he mat er i al f r om t he haul i ng vehi cl e, shal l be at l east265ºF; a l ower t emper at ur e i s al l owed i f wr i t t en appr oval i s gi ven byt he Engi neer . Compact i on and f i ni shi ng shal l be compl et ed bef ore themi x has cool ed t o 180ºF. The Engi neer may aut hor i ze pl acement ofasphal t concrete upon sur f aces havi ng a t emperatur e of 45º. For above,provi di ng t hose ment i oned above and t he f ol l owi ng condi t i ons are met .

a. The under l yi ng sur f ace i s dr y.

b. The weat her i s dr y and wi t hout t hr eat of pr eci pi t at i on.

c. The t emper atur e of t he asphal t concr et e mi xtur e i s such t hat

t he sum of t he ai r t emper atur e pl us t he t emper atur e of t hemi xt ur e when pl aced i s at l east 310ºF.

d. Asphal t concr et e shal l not be pl aced on gr ade t hat appearst o be f r ozen unl ess speci f i cal l y aut hori zed by t he Engi neer .

13-21-001-0321.5.3 M.A.G. Spec. 321.5.3 – Asphaltic Concrete Pavement –

Leveling Course

Sevent h paragr aph; r evi se second sent ence t o r ead as f ol l ows:

An accept abl e surf ace shal l not var y more t han 1/ 2 i nch f r om t he l oweredge of a 10 f oot st r ai ght edge when pl aced paral l el t o t he cent er l i neof t he roadway.

13-21-001-0321.5.4 M.A.G. Spec. 321.5.4 – Asphaltic Concrete Pavement – Asphalt Base and Surface Course

 Thi r d paragraph, r evi se f our t h sent ence t o r ead as f ol l ows:

 The t r ansver se sur f ace j oi nt s shal l be t est ed wi t h a 10 f ootst r ai ght edge and shal l conf or m t o t he r equi r ement s her ei n f oraccept abl e sur f ace t ol er ance.

Del ete seventh paragr aph, ( begi nni ng wi t h “When more t han one wi dth. . . ) .

Page 214: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 214/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 214 Effective May 17, 2012

Af t er t he el event h par agr aph, r evi se to i ncl ude the f ol l owi ng:

Fi ni sh r ol l i ng shal l be st ar t ed af t er t he pavement has cool edsuf f i ci ent l y to per mi t r emoval of t he r ol l er mar ks, and shal l becont i nued i n whatever di r ect i on i s necessary t o pr oduce a pavementsur f ace f r ee of i ndent at i ons.

 Twel f t h paragraph, r evi se second sent ence t o r ead as f ol l ows:

An accept abl e surf ace t ol erance shal l not var y more t han 1/ 4 i nch f r omt he l ower edge of a 10 f oot st r ai ght edge when pl aced paral l el t o t hecent er l i ne of t he roadway.

 Twel f t h paragraph, t he second sentence, r evi se t o i ncl ude t he f ol l owi ng:

 The f ol l owi ng t r ansver se sur f ace t ol erance shal l appl y at r i ght angl es

t o the cent er l i ne wher e t he pl ans cal l f or a str ai ght t r ansver se gr ade. The t r ansver se sur f ace shal l not var y mor e t han one- quar t er of an i nchf r om t he l ower edge of a 10 f oot st r ai ght edge when pl aced at r i ghtangl es or r adi al l y t o t he cent er l i ne wher e the appr oved pl ans f or auni f or m t r ansver se f i ni sh gr ade. Thi s sur f ace speci f i cat i on shal l notappl y wher e t he pl ans cal l f or a br eak i n t r ansver se gr ade, such as ata r oadway cr own or swal e.

13-21-001-0321.6 M.A.G. Spec. 321.6 – Asphaltic Concrete Pavement –

Corrective Requirements for Deficiencies

 Thi r d paragraph, r evi se f i r st sentence t o r ead as f ol l ows:

When t he def i ci ency of t he pavement t hi ckness exceeds 1/ 2 i nch, t hepavement shal l be over l ai d on t he ar ea af f ect ed. I n no case shal l t hi sover l ay be l ess t han one Ci t y bl ock or 660 f eet i n l engt h, whi chever i sl ess. Thi s over l ay shal l be pl aced over t he f ul l wi dt h of pavementwi t h a new mat of mater i al speci f i ed by t he Engi neer ; equal i nt hi ckness t o t he def i ci ency, but not l ess t han 1 i nch i n any i nst ance.

13-21-001-0330.2.1 M.A.G. Spec 330.2.1 – Asphalt Chip Seal – Materials – Asphalt

Revi se t o i ncl ude t he f ol l owi ng:

Emul si f i ed asphal t Type CRS- 2P shal l be used f or t he chi p seal coat .

13-21-001-0330.3 M.A.G. Spec 330.3 – Asphalt Chip Seal – Time of Applicationand Weather Conditions

Second paragr aph; r evi se second sent ence t o r ead as f ol l ows:

 The ambi ent ai r t emperat ure shal l be at l east 70ºF and r i si ng.

 Thi r d paragraph, r evi se t o r ead as f ol l ows:

Asphal t chi p seal shal l not be per f ormed bet ween Oct ober 1 and May 1unl ess speci f i cal l y per mi t t ed by the Ci t y Engi neer .

Page 215: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 215/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 215 Effective May 17, 2012

13-21-001-0330.4.8 NEW SUB-TITLE: M.A.G. Spec 330.4.8 – Asphalt Chip Seal– Protection to Adjacent Property

Revi se t o i ncl ude new subsect i on as f ol l ows:

 The Cont r act or shal l prot ect al l manhol e cover s, wat er val ve boxes, sur veymonument s, and/ or ot her man- made f eat ures so t hat no bi t umi nous mat er i al orcover mater i al r emai ns and so that cover s can be easi l y accessed af t ersweepi ng. Al l adj acent si dewal ks and dr i veways shal l be swept and mai ntai nedcl ear of l oose cover mat er i al .

13-21-001-0336.2.3 M.A.G. Spec 336.2.3 – Temporary Pavement Replacement

 Temporar y pavement r epl acement , as r equi r ed i n Sect i on 601, shal l be wi t hUPM TM  or an approved equal wi t h a mi ni mum t hi ckness of 2 i nches and shal lconf or m t o t he f ol l owi ng requi r ement s:

DESCRI PTI ON:

1. The pavi ng mater i al shal l be composed of an aggr egat e, as speci f i edherewi t h, and pl ant mi xed wi t h Uni que Pavi ng Mater i al ( U. P. M. t m) l i qui dasphal t bl end f r om t he Syl vax Corpor at i on or appr oved equal . Thebi t umi nous mater i al shal l be capabl e of coat i ng wet aggr egates wi t houtst r i ppi ng, shal l be avai l abl e i n var i ous gr ades, and per mi t any onegr ade to be st ockpi l ed and remai n pl i abl e and workabl e at a temperat ur eof - 15ºF f or a mi ni mumper i od of 12 mont hs.

2. The pavi ng mat er i al shal l be capabl e of mai nt ai ni ng adhesi ve qual i t i es i nan uncover ed st ockpi l e or i n paved ar eas whi ch were damp or wet at t he

t i me of appl i cat i on f or a mi ni mum peri od of 12 mont hs.

MATERI ALS:

1. The aggr egate gr adat i on shal l meet t he f ol l owi ng r equi r ement s:

Si eve Si ze % Passi ng

3/ 8 i nch 100No. 4 85- 100No. 8 10- 40No. 16 10No. 50 0- 5No. 200 2 maxi mum

 2. The aggr egat e shal l al so meet t he f ol l owi ng cr i t er i a:

Sand equi val ent 45 mi n.Cr ushed f aces 70% mi n.Fl aki ness i ndex 25 max.Absor pt i on 1. 0 – 2. 5%Speci f i c gr avi t y 2. 55 – 2. 75%

 

Page 216: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 216/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 216 Effective May 17, 2012

3. Bi t umi nous mat er i al :

 The bi t umi nous mat er i al shal l be UPM TM  l i qui d asphal t bl end f r om t heSyl vax Corporat i on or appr oved equal . When pr epared f r om a base asphal tst ock of ei t her AC- 10 or AC- 20 and bl ended, i t shal l meet t he f ol l owi ngr equi r ement s:

Fl ash poi nt ( TOC) 200ºF ( 94ºC) mi n.Ki nemat i c Vi scosi t y @140ºF (60ºC) 1000 – 4000 cStWat er 0. 2% max.

Di st i l l at e Test( vol ume of ori gi nal sampl e)

 To 437ºF 0% To 500ºF 0 – 55% To 600ºF 0 – 20%

Resi due f r om Di st i l l at e @ 680ºF 78 – 95% Resi due Test :Absol ut e Vi scosi t y @140ºF 125 poi sesPenet r at i on 200 mi n.Duct i l i t y @ 39ºF 100 mi n.Sol ubi l i t y i n Tr i chl or oet hyl ene 99% mi n.

4. Composi t i on of Mi xture:

 The mi xt ure shal l consi st of an aggr egate as speci f i ed and abi t umi nous mater i al as speci f i ed mi xed i n such a manner as t ocont ai n appr oxi matel y 6% of bi t umi nous mater i al per f i ni shed t on.

5. Pr epar at i on of Mi xt ur e:

 The asphal t shal l be heated t o a t emperat ure between 150ºF and 300ºF andmi xed wi t h t he heated aggr egate unt i l al l aggr egates ar e uni f orml ycoated. The mi xed t emper at ure shal l not exceed 170ºF.

6. Pl ant and Equi pment :

A bat ch- t ype mi xer of appr oved desi gn and capaci t y shal l be used i nmi xi ng t he i ngr edi ent mat er i al s.

13-21-001-0336.2.4 M.A.G. Spec. 336.2.4 – Pavement Matching and SurfaceReplacement – Permanent Pavement Replacement

 Tenth paragraph, r evi se f i r st sentence t o r ead as f ol l ows:

 The sur f ace cour se shal l consi st of an asphal t concr et e mat er i al i naccor dance wi t h Sect i on 710 as speci f i ed by t he engi neer t o mat ch theexi st i ng sur f ace.

Last paragr aph, r evi sed t o r ead as f ol l ows:

Wher e deep l i f t asphal t concr et e (asphal t concr et e base and asphal tconcr et e weari ng cour se) exi st s, t he base cour se repl acement shal l be

Page 217: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 217/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 217 Effective May 17, 2012

made i n l i f t s not exceedi ng 4 i nches i n compacted thi ckness t o wi t hi n 1-1/ 2 i nch of t he f i ni sh gr ade.

13-21-001-0340.2 M.A.G. Spec. 340.2 – Concrete Curb, Gutter, Sidewalk,Driveway and Alley Entrance – Materials

Fi r st par agr aph, r evi sed t o r ead as f ol l ows:

Concret e shal l be Cl ass A, cont ai ni ng 5 t o 7% ai r ent r ai nment , andconf ormi ng t o appl i cabl e r equi r ement s of Sect i on 725.

13-21-001-0340.3 M.A.G. Spec. 340.3 – Concrete Curb, Gutter, Sidewalk,Driveway and Alley Entrance – Construction Methods

Sevent eent h par agr aph, r evi se to i ncl ude the f ol l owi ng:

 The l ongi t udi nal ext ent of any cur b and gut t er r emoval , r epl acementnecessary because of nonconf ormi t y wi t h t he pl ans or speci f i cat i on, and

r epl acement due t o damage pr i or t o accept ance shal l not be l ess t han t heappr opr i at e cont r act i on j oi nt spaci ng.

13-021-001-0342.2.1 M.A.G. Spec 342.2.1 – Decorative Pavement – Sand Aggregate Base Course

Revi se paragr aph t o r ead as f ol l ows:

 The sand l ayi ng cour se shal l be cl ean washed concr et e sand conf or mi ng t oASTM C- 33. The mort ar sand shal l be cl ean washed sand conf ormi ng t oASTM C- 144. The aggr egate base cour se shal l be aggr egate base perM. A. G. Sect i on 702.

13-21-001-0342.2.4 M.A.G. Spec. 342.2.4– Decorative Pavement – Brick 

Revi sed paragr aph t o read as f ol l ows:

Br i ck shal l not be used f or decorat i ve pavement .

13-21-001-0342.3.3 M.A.G. Spec. 342.3.3 – Decorative Pavement – Header 

Revi sed paragr aph t o read as f ol l ows:

 The header shal l be a Cl ass A concr et e wi t h 5 t o 7% ai r ent r ai nment , andper Sect i on 725.

13-21-001-0342.3.44 M.A.G. Spec 342.3.4 – Decorative Pavement – ConcretePaving Stones

Fi r st par agr aph, r evi se t o r ead as f ol l ows:

 The concr et e pavi ng st ones shal l be i nst al l ed on t he undi st urbed sandl ayi ng cour se wi t h gaps of 1/ 16 to 1/ 8 of an i nch between each st one andadj acent st ones or r et ent i on cur b. Af t er t he st ones ar e i n pl ace, apl at e vi br at or compact or shal l be used t o compact t he st ones. Thi s wi l lr equi r e t wo passes at 90 degr ees t o each ot her . Af t er t hi s oper at i on,appr oxi matel y 1/ 4 i nch of mort ar sand wi l l be pl aced on the st ones

Page 218: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 218/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 218 Effective May 17, 2012

f ol l owed by a mi ni mum of t wo passes wi t h t he compact or . Any excess sandshal l be swept i nt o t he j oi nt and/ or r emoved. The compl etedi nst al l at i on shal l be washed down and cl eaned. Any cut t i ng of t hepavement st one shal l be accompl i shed wi t h a saw.

Second paragr aph, r evi se t o r ead as f ol l ows:

 The cont r act or shal l l ay t he pavi ng st ones st ar t i ng f r om t he l ongestst r ai ght l i ne and f r om a t r ue 90 degr ee cor ner . I f t he cor ner of t heedge retent i on i s not a t r ue 90 degr ee corner, t he pavi ng st ones must bel ai d sl i ght l y away ( about hal f t he l engt h of a br i ck) f r om t he edge at a90 degree angl e.

13-21-001-0342.3.6 M.A.G. Spec. 342.3.6 – Decorative Pavement - SandLaying Course

Revi se paragr aph t o r ead as f ol l ows:

 The t hi ckness of t he sand l ayi ng cour se shal l be 1 i nch, and scr eedi ngboar ds shal l be used t o ensur e a uni f or m t hi ckness. The sand shal l notbe compact ed or wal ked on, and shoul d be wet enough t o cl i ng t oget herwhen compressed l i ght l y i n the hand and not f al l apart when t he hand i sr eopened.

13-21-001-0345.2 M.A.G. Spec. 345.2 – Adjusting Frames, Covers, Valve Boxes,and Water Meter Boxes – Adjusting Frames

Second paragr aph, r evi se t hi r d sent ence t o r ead as f ol l ows:

Cl ass A concret e, wi t h 5 to 7% ai r ent r ai nment , shal l be pl aced ar oundand under t he f r ames t o pr ovi de a seal and pr operl y seat t he f r ame at

t he r equi r ed el evat i on and sl ope.

For new manhol es, t he maxi mum di mensi on f r om t op of l i d to t he top oft he cone shal l be 22”. The maxi mum di mensi on f r om t he t op of t he l i d t ot he bot t om of t he f l at t op shal l be 24”.

For exi st i ng manhol es t o be r ai sed i n pr evi ousl y paved areas, t hemaxi mum di mensi on f r om t he f i nal f i ni shed gr ade t o t he bot t om of t hemanhol e neck shal l be 28 i nches. I t i s the cont act or ’ s responsi bi l i t yt o exami ne each exi st i ng manhol e and det ermi ne t he exact nat ure of t hework r equi r ed t o adj ust each manhol e.

13-21-001-0345.3 M.A.G. Spec 345.3 – Adjusting Frames, Covers, Valve Boxes,and Water Meter Boxes – Adjusting Valve Boxes

Second paragr aph, r evi se second sent ence t o r ead as f ol l ows:

Any excavat ed area shal l be f i l l ed wi t h Cl ass A concr et e, wi t h 5 to 7%ai r ent r ai nment , per st andar d det ai l , or as di r ect ed by the Engi neer .

 Thi r d paragraph, r evi se second sent ence t o r ead as f ol l ows:

 Thi s col l ar shal l be of Cl ass A concr et e wi t h 5 t o 7% ai r ent r ai nment .

Page 219: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 219/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 219 Effective May 17, 2012

13-21-001-0401.5 M.A.G. Spec. 401.5 – Right-of-Way and Traffic Control –

General Traffic Regulations 

El event h par agr aph, r evi se t o r ead as f ol l ows:

 The cont r act or wi l l r ei nst al l al l permanent t r af f i c cont r ol devi ces asr equi r ed by t he appr oved const r uct i on pl ans and speci f i cat i ons.

 Twel f t h paragraph, r evi sed t o r ead as f ol l ows:

Exi st i ng t r af f i c si gns, i ncl udi ng st op, yi el d and st r eet name si gnsshal l be mai nt ai ned by t he cont r act or unt i l such t i me as const r uct i onr ender s t hem obsol et e. The cont r act or shal l be r esponsi bl e f orf ur ni shi ng and i nst al l i ng al l per manent t r af f i c si gns as r equi r ed by theconst r uct i on pl ans and speci f i cat i ons.

13-21-001-0405.2 M.A.G. Spec. 405.2 – Monuments – Materials 

Second paragr aph, r evi se t o r ead as f ol l ows:

Al l concret e shal l be Cl ass A wi t h 5 t o 7% ai r ent r ai nment .

13-21-001-0505.3 M.A.G. Spec. 505.3 – Concrete Structures – Forms

 Tenth paragraph, r evi se t o r ead as f ol l ows:

 The cont r act or may, wi t h t he permi ss i on of t he engi neer , pour suchpor t i ons of t he concret e f or t he st r uct ur e di r ect l y agai nst t he si de oft he excavat i on or sheathi ng wi t hout t he use of out si de f orms, pr ovi dedt hat t he f ol l owi ng condi t i ons ar e met .

13-21-001-0505.6 M.A.G. Spec. 505.6 – Concrete Structures – Placing Concrete

Fi r st par agr aph, add t he f ol l owi ng af t er t he f i r st sent ence:

No concr et e shal l be pl aced wi t hout t he appr oval of t he Ci t y I nspect or.

13-21-001-0505.6.2 M.A.G. Spec. 505.6.2 – Concrete Structures – Adverse Weather Concreting

Subsect i on ( B) , r evi sed t o i ncl ude t he f ol l owi ng:

Concr ete operat i ons shal l not be cont i nued when a descendi ng ai rt emper ature i n t he shade and away f r om ar t i f i ci al heat f al l s bel ow 40ºF,

nor shal l concr ete oper at i ons be r esumed unt i l an ascendi ng ai rt emper atur e i n t he shade and aware f r omart i f i ci al heat r eaches 35ºF

Mi xi ng and pl aci ng concr ete shal l cont i nue no l ater i n any day t han t oal l ow suf f i ci ent t i me t o pl ace and pr otect t he concret e al r eady pl acedbef ore t he ai r t emper atur e dr ops t o 35ºF.

Concr ete operat i ons may be al l owed al t hough the ai r t emperat ur e i n theshade away f r om ar t i f i ci al heat i s bel ow t he l i mi t per mi t t ed above.Wher e concr et e oper at i ons are t hus al l owed, t he cont r act or shal l useequi pment t o heat t he aggr egates, or water, or bot h, pr i or t o mi xi ng.

Page 220: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 220/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 220 Effective May 17, 2012

Aggr egates shal l be uni f orml y heated to at l east 60ºF and shal l have nochunks of i ce. Equi pment used t o heat t he aggregat es shal l obt ai nuni f orm t emperat ur e t hr oughout t he aggr egate wi t hi n each batch and f r omone batch t o another . Water shal l not be heated i n excess of 150ºF.

 The cont r act or shal l provi de adequat e prot ect i on vi a i nsul at i on, heat ,or bot h, f or t he concret e af t er pl acement . Thi s pr ot ect i on shal l be t ot he extent r equi r ed t o mai nt ai n a temper atur e under t he i nsul at i on of60ºF t o 90ºF f or a per i od of 72 hour s af t er pl acement , and f r om 40ºF t o90ºF f or an addi t i onal 96 hour s. Regar dl ess of t he ai r t emper at ur e att he ti me of mi xi ng and pl aci ng t he concret e, t he pr ot ect i on speci f i edabove shal l be pr ovi ded at al l t i mes when the ai r t emper atur e i s bel ow35ºF.

13-21-001-0601.2.3 M.A.G. Spec. 601.2.3 – Water and Sewer – Trench Grade

Fi r st par agr aph, r evi se t he f i r st sent ence t o r ead as f ol l ows:

Al i gnment and el evat i on st akes shal l be f ur ni shed by the cont r act or at ami ni mum of 50 f oot i nt er val s and agr eed upon of f set s.  

13-21-001-0601.2.9 M.A.G. Spec. 601.2.9 – Water and Sewer – Trench

Excavation, Backfill and Compaction – Shoring andSheeting

Revi se t o i ncl ude t he f ol l owi ng:

I t shal l be t he cont r act or ’ s responsi bi l i t y t o pr ovi de such t r enchbr aci ng, sheet i ng, or shor i ng as may be necessary t o pr otect exi st i ngi mprovement s out si de t he t r ench and t o suppor t and ensur e the ground

al ongsi de t he excavat i on wi l l not sl i de or set t l e. Exi st i ngi mpr ovement s out si de t he t r ench, ei t her publ i c or pr i vat e, damaged duet o l ack of adequat e t r ench br aci ng, sheet i ng, or shor i ng shal l ber emoved and r epl aced i n ki nd at t he Cont r actor ’ s expense.

13-21-001-0601.4.3 M.A.G. Spec. 601.4.3 – Trench Excavation, Backfill andCompaction – Backfill

Second paragr aph, r evi se t o r ead as f ol l ows:

Wat er consol i dat i on ( f l oodi ng, j et t i ng, or ot her di schar ge) wi l l not beper mi t t ed.

Four t h par agr aph, r evi se t o r ead as f ol l ows:

When mechani cal compact i on i s used, backf i l l shal l be pl aced i n l i f t snot exceedi ng one f oot i n compact ed hei ght , r egardl ess of pi pe si ze,mat er i al , or backf i l l t ype.

13-21-001-0601.4.4 M.A.G. Spec. 601.4.4 – Water and Sewer - Trench

Excavation, Backfill and Compaction – CompactionDensities

Page 221: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 221/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 221 Effective May 17, 2012

 Tabl e 601- 2, r evi se t o r ead as f ol l ows:

 TABLE 601- 2MI NI MUM DENSI TY REQUI RED

Backfil

l Type

Location From Subgrade

to 2’ BelowSubgrade

From 2’ Below

Subgrade to 1’ Above Top of

Pipe

From 1’ Above

Top of Pipe toBottom of

Trench

I

Under anyexi st i ng or

proposedpavement , curb,

and gut t er ,si dewal k, or such

const r uct i oni ncl uded i n t he

cont r act ; or whenany part of t he

t r ench excavat i oni s wi t hi n 2’ of

t he above.

100% f orGr anul ar

95% f orNon- Gr anul ar

95% 95%

I I

On any ut i l i t yeasement , st r eet ,

r oad or al l eyr i ght - of - way

out si de l i mi t s of( I )

90% 90% 95%

I I I

Ar ound anystructures or

exposed

ut i l i t i es.

95% I n al l cases

13-21-001-0610.10 M.A.G. Spec. 610.10 – Connection to Existing Mains

Revi sed second- t o- l ast par agr aph t o r ead:

When a shutdown of an exi st i ng wat er mai n i s necessar y i n order t o connectt he new l i nes, t he cont r actor shal l make appl i cat i on and pay t he r equi r edchar ges to t he cont r acti ng agency ( Ci t y of Fl agst af f Ut i l i t i es Di vi si on) . Aconf er ence bet ween the cont r act or ’ s r epr esent ati ve, Publ i c Wor ks i nspect i on,and wat er di st r i but i on per sonnel shal l est abl i sh t he t i mel i ne and pr ocedur est o ensur e t hat t he shut down wi l l be the shor t est possi bl e t i me ( 8 hour smaxi mum) . I f necessar y t o mi ni mi ze t o i nconveni ence t o cust omers, shut downs

may be schedul ed dur i ng ot her t han nor mal worki ng hours. The wat er suppl y t osome cust omers, such as hospi t al s, may not be shut of f at any t i me.Pr ovi si ons t o f ur ni sh a cont i nuous suppl y of water t o such est abl i shment swi l l be r equi r ed. Af t er t he pr ocedur es and t i me f or a shut down are agr eedupon, i t shal l be t he cont actor’ s responsi bi l i t y t o not i f y al l af f ectedcust omers , i n advance, t hat t he water wi l l be t ur ned of f . Cust omers shal l benot i f i ed no l ess t han f ort y- ei ght ( 48) hour s i n advance except f or emer gencysi t uat i ons. Not i f i cat i on shal l be i n wr i t i ng gi vi ng t he r eason f or t heshut down and t he t i me and dur at i on t he water servi ces wi l l be shut of f . Al lshut down not i f i cat i ons t o t he cust omers must be appr oved by Publ i c Worksi nspect i on and wat er di st r i but i on per sonnel .

Page 222: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 222/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 222 Effective May 17, 2012

13-21-001-0625.3 M.A.G. Spec. 625.3 – Manhole Construction and Drop Sewer

Connections – Construction Methods

Fi r st sent ence, r evi se t o r ead:

Manhol es shal l be const r uct ed of pr ecast concr et e sect i ons wi t h f r amesand cover s i n accor dance wi t h t he st andar d det ai l s; br i cks wi l l beal l owed onl y when aut hori zat i on has been gr ant ed t o r epai r r ather t hanr epl ace an exi st i ng br i ck manhol e.

Add t he f ol l owi ng suppl ement al t ext :

Fl ow channel

Fl ow channel s st r ai ght t hr ough a manhol e shal l be made to conf orm ascl osel y as possi bl e i n shape and sl ope to that of t he connect i ngsewer s. The channel wal l shal l be f ormed or shaped t o t he f ul l

hei ght of t he crown of t he out l et sewer i n such a manner t o notobst r uct mai nt enance, i nspect i on, or f l ow i n t he sewers . Whencur ved f l ow channel s are speci f i ed i n manhol es, i ncl udi ng br anchi nl et s, sl opes shal l be i ncreased t o mai nt ai n accept abl e vel oci t i es.

Bench

A bench shal l be provi ded on each si de of any manhol e channel whent he pi pe di ameter( s) are l ess than t he manhol e di ameter. The benchshal l be sl oped t o pr ovi de a mi ni mum 3” f al l f r om t he t op of t hebench t o the cr own of t he pi pe or 1/ 2” per f oot , whi chever i sgr eat er . No l ater al sewer servi ce connect i ons or dr op manhol e pi peshal l di scharge ont o t he sur f ace of t he bench.

13-21-001-0702.1 M.A.G. Spec. 702.1 – Base Materials – General

Revi se t o i ncl ude t he f ol l owi ng:

 The aggr egate base cour se wi l l be cl ean, f r ee of or gani c mat t er , and beof such a natur e t o be compact ed t o a dense, f i r m l ayer capabl e ofsuppor t i ng l oaded t r ucks and sel f - pr opel l ed paver s wi t hout r ut t i ng.Vol cani c ci nder s shal l not be used f or base mat er i al s.

13-21-001-0702.2.2 M.A.G. Spec. 702.2.2 – Base Materials – Crushed

 Aggregate –Grading

 Tabl e 702, r evi sed t o r ead as f ol l ows:

For aggregat e base, t he percent age by wei ght passi ng t he No. 200 si eveshal l be l i mi t ed to no more than 10 per cent .

13-21-001-0710.2.1 M.A.G. Spec. 710.2.1 – Asphaltic Concrete – Material – Asphalt Binder

Revi se paragr aph t o r ead as f ol l ows:

 The asphal t t o be mi xed wi t h t he mi neral aggr egat e shal l be pavi ng gradeasphal t conf ormi ng t o AASHTO Desi gnat i on MP1, St andar d Speci f i cat i on f or

Page 223: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 223/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 223 Effective May 17, 2012

Per f ormance Gr ade Asphal t Bi nder and shal l be 58- 28 unl ess ot herwi sespeci f i ed i n t he speci al pr ovi si ons. AC 20 conf ormi ng t o Sect i on 711may be used i f PG 58- 28 i s not avai l abl e.

13-21-001-0710.2.2 M.A.G. Spec. 710.2.2 – Asphalt Concrete - Aggregate

Add the f ol l owi ng sent ence to t he end of t he f i r st par agr aph:

Vol cani c ci nder s or mat er i al s cont ai ni ng cl ay bal l s, coat ed r ock orot her del et er i ous mat er i al s shal l not be used.

13-21-001-0710.3.1 M.A.G. Spec. 710.3.1 – Asphalt Concrete – Mixed Design

Requirements - General

( Revi se t o i ncl ude the f ol l owi ng) :

 The cont r act or shal l f urni sh t he engi neer wi t h a j ob- mi x f or mul a f or

asphal t concr et e not l ess t han t en ( 10) days i n advance of actualpl acement of t he mater i al . The j ob- mi x f ormul a, upon appr oval of t heEngi neer , shal l be used t o est abl i sh t he st andar ds t o whi ch f i el d t estr esul t s wi l l be compared and t o determi ne compl i ance of t he mater i al sf ur ni shed wi t h al l physi cal pr oper t i es of t he composi t e mi x and i t si ndi vi dual components as shown on t he approved j ob- mi x f ormul a. The

 j ob- mi x f or mul a, wi t h t he al l owabl e t ol erances f or a si ngl e t est shal lbe used f or moni t or i ng compl i ance wi t h t he speci f i cat i ons.

 The maxi mum permi ss i bl e var i at i on i n t he dai l y Mar shal l Pl ug uni t wei ghtf r om t he uni t wei ght shown i n t he appr oved j ob- mi x shal l be +/ - 3%. I ft he uni t wei ght of t he Mar shal l Pl ug devi at es f r om t he per mi ssi bl evar i at i on by more than 1%, payment wi l l be r educed i n accordance wi t h

 Tabl e 321- 2.

 The aggr egate and mi x t o be i ncor porat ed i nt o t he wor k shal l al so meett he f ol l owi ng r equi r ement s:

 TEST ACCEPTABLE TESTRESULTS

Loss on Abrasi on ( ASTM C0131 and/ or ASSHTO 96)af t er 500 r evol ut i ons 40 Max.Absor bed Asphal t Range ( ASSHTO T- 245 0 – 1%Combi ne Wat er Absor pt i on ( ASSHTO T- 84) 0 – 2. 25%

 Al l asphal t i c concret e shal l cont ai n a mi ni mum of 1% Por t l and Cement ordr y hydr ated l i me by wei ght of t otal mi xt ur e.

13-21-001-0710.3.2.1 M.A.G. Spec 710.3.2.1. – Asphalt Concrete  – Mi x Desi gnRequi r ement s – Mar shal l Mi x Desi gn

Revi se the per cent of asphal t r ange f or B- 1 and 3/ 4 i nch asphal t i c concr et ef r om 5. 0 t o 6. 0% t o 5. 3 t 6. 0%.

13-21-001-710.4.2. M.A.G. Spec 710.4.2 – Asphalt Cement Content

Revi se the f i r st sent ence of t he second paragr aph t o r ead:

Page 224: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 224/382

Page 225: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 225/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 225 Effective May 17, 2012

13-21-001-0716.2.3 M.A.G. Spec. 716.2.3 – Cover Material – Stone Chips –

Gradation

 Tabl es 716- 1 and 716- 2, r evi se t o r ead as f ol l ows:

GRADATI ON CM- 11

% passi ng si eve

3/ 8 i nch 100No. 4 0- 40No. 8 0- 5No. 200 0- 2. 0

13-21-001-0725.1 M.A.G. Spec. 725.1 – Portland Cement Concrete – Classes ofConcrete

Revi se t o r ead as f ol l ows:

As t est ed i n accor dance wi t h ASTM C- 39, t he maxi mum sl ump shal l be 4i nches, or as speci f i ed i n t he speci al pr ovi si ons, when t est ed i naccor dance wi t h ASTM C- 143.

Cl ass AA concret e, wi t h 5 t o 7% ent r ai ned ai r , shal l be used f or al lval l ey gut t er s and as speci f i ed.

Cl ass A concr et e shal l be used f or concret e st r uct ur es, ei t herr ei nf or ced or non- r ei nf or ced. Addi t i onal l y, Cl ass A concret e wi t h 5 t o7% ent r ai ned ai r shal l be used f or al l cur bs, gut t er s, si dewal ks, andexposed st r uctur es except as may be speci f i ed otherwi se.

Cl ass B concret e shal l be used as speci f i ed, except 5 t o 7% ent r ai nedai r shal l be i ncl uded f or al l exposed st r uctures.

Cl ass C concr et e may be used f or t hr ust bl ocks, encasement s, f i l l orover excavat i on, and/ or other pur poses as appr oved.

13-21-001-0725.3 M.A.G. Spec. 725.3 – Portland Cement Concrete – Aggregates 

Fi r st par agr aph, af t er t he second sent ence, r evi se to i ncl ude the f ol l owi ng:

Aggr egates must be subj ect ed t o f i ve cycl es of t he sodi um sul f at esoundness t est i n accordance wi t h t he r equi r ement s of AASHTO T- 104. Thet otal l oss shal l not exceed t en per cent by wei ght of t he aggr egate as a

r esul t of t he t est.

13-21-001-0725.5 M.A.G. Spec. 725.5 – Portland Cement Concrete – Water 

Last par agr aph, r evi se t o i ncl ude t he f ol l owi ng:

Wat er shal l be sampl ed and t est ed i n accor dance wi t h AASHTO T- 26.

13-21-001-0750.2 M.A.G. Spec 750.2 – Iron Water and Pipe Fittings, Ductile

Iron Water Pipe

Page 226: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 226/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 226 Effective May 17, 2012

Revi se t he second paragr aph to r ead:

Pi pe shal l be l i ned wi t h Protect o 401 cer ami c epoxy.

13-21-001-0750.3 M.A.G. Spec 750.3 – Iron Water and Pipe Fittings, JointRequirements

Onl y Megal ug or Bel l j oi nt ar e accept abl e t ypes of j oi nt r est r ai nt s.

13-21-001-0760.1 M.A.G. Spec. 760.1 – Coating Corrugated Metal Pipe and

 Arches – General 

Revi se t o i ncl ude t he f ol l owi ng:

Al l cor r ugat ed met al , spi r al r i b, and hel i cal pi pe and ar ches shal l be ami ni mum of 14 Ga. al umi ni zed st eel Type I I .

Page 227: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 227/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 227 Effective May 17, 2012

Sections:

13-21-002 Addendum to M.A.G. Uniform Standard Details for Public WorksConstruction

13-21-002-0010  Portland Concrete Exposed to Weather13-21-002-0120.1M.A.G.

Detail No. 120-1 and 120-2 – Survey Marker13-21-002-0120.1  M.A.G. Detail No. 120-1 and 120-2 – Survey Marker13-21-002-0120.2  M.A.G. Detail No. 120-1 and 120-2 – Survey Marker

13-21-002-0202  M.A.G. Detail No. 202 – Alley Details (Paved and Unpaved)13-21-002-0212  M.A.G. Detail No. 212 – Utility Pothole Repair

13-21-002-0220  M.A.G. Detail No. 220 – Curb and Gutter – Types A, B, C,and D

13-21-002-0230  M.A.G. Detail No. 230 - Sidewalks13-21-002-0240  M.A.G. Detail No. 240 – Valley Gutter

13-21-002-0250  M.A.G. Detail No. 250 and 251 – Driveway Entrances/ Return

Type Driveways13-21-002-0380  M.A.G. Detail No. 380 – Thrust Blocks for Water Lines13-21-002-0390  M.A.G. Detail No. 390 – Curb Stop with Flushing Pipe

13-21-002-0420  M.A.G. Detail No. 420 – Pre-Cast Concrete Sewer Manhole13-21-002-0421  M.A.G. Detail No. 421 – Offset Manhole for 8” to 30” Pipe

13-21-002-0422  M.A.G. Detail No. 422 – Sewer Manhole and Cover Frame Adjustment

13-21-002-0424  M.A.G. Detail No. 424 and 425 – Manhole Frame and Cover

13-21-002-0425  M.A.G. Detail No. 424 and 425 – Manhole Frame and Cover

13-21-002-0426  M.A.G. Detail No. 426 – Drop Sewer Connections13-21-002-0427  M.A.G. Detail No. 427 – Stub-Out and Plugs13-21-002-0440.1  M.A.G. Detail No. 440-1 – Type “A” Sewer Building

Connection13-21-002-0440.3  M.A.G. Detail No. 440-3 – Type “C” Sewer Building

Connection

13-21-002-0441  M.A.G. Detail No. 441 – Sewer Cleanout13-21-002-0533  M.A.G. Detail Nos. 533-540 – Catch Basins 13-21-002-0534  M.A.G. Detail Nos. 533-540 – Catch Basins

13-21-002-0535  M.A.G. Detail Nos. 533-540 – Catch Basins13-21-002-0536  M.A.G. Detail Nos. 533-540 – Catch Basins

13-21-002-0537  M.A.G. Detail Nos. 533-540 – Catch Basins13-21-002-0538  M.A.G. Detail Nos. 533-540 – Catch Basins

13-21-002-0539  M.A.G. Detail Nos. 533-540 – Catch Basins13-21-002-0540  M.A.G. Detail Nos. 533-540 – Catch Basins

13-21-002-0001 Portland Cement Concrete Exposed to Weather

M. A. G. Uni f or m St andar d Det ai l s f or Publ i c Wor ks Const r uct i on shal l bemodi f i ed as f ol l ows:

Al l Por t l and cement concr ete exposed to weat her shal l be a mi ni mum of Cl ass Awi t h 5 t o 7% ai r ent r ai nment . Thi s requi r ement shal l appl y t o al l si dewal k,cur b and gut t er dr i veways, and adj ust ment col l ar s ( e. g. , wat er val ves,manhol es, and survey monument s) , as wel l as al l ot her const r uct i on i t emsexposed t o weat her . Thi s change i ncl udes, but i s not l i mi t ed t o, concr et especi f i ed on t he f ol l owi ng M. A. G. St andar d Det ai l s: 120- 1, 120- 2, 200, 202,

Page 228: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 228/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 228 Effective May 17, 2012

203, 206, 206- 1, 206- 2, 220, 221, 222, 230, 231, 232, 233, 234, 250, 251,260, 261, 262, 263, 270, 321, 346, 391- 1, 391- 2, 501- 1, 501- 2, 501- 3, 501- 4,501- 5, 502- 1, 502- 2, 530, 531, 532, 533- 1, 533- 2, 534- 1, 535, 550, and 552.

13-21-002-0120.1.and 13-21-002-01210.2 M.A.G. Detail No. 120-1 and 120-2 –Survey Marker 

Revi se t o i ncl ude the f ol l owi ng not es t o bot h det ai l s:

Al l sur vey caps shal l be st amped wi t h t he regi st r at i on number of t hesurveyor r esponsi bl e f or pl aci ng t he monument .

 The t op of al l survey caps pl aced i n paved ar eas shal l be at l east 1/ 2”bel ow pavement grade.

13-21-002-0202   M.A.G. Detail No. 202 – Alley Details (Paved and Unpaved) 

Change t he paved al l ey det ai l t o r ead: Concr ete gut t er r equi r ed wher el ongi t udi nal gr ade i s l ess t han 0. 50% and change the mi ni mum asphal tt hi ckness t o 3”.

13-21-002-0212 M.A.G. Detail No. 212 – Utility Pothole Repair

Di sal l ow Type “B” pavement r epai r .

13-21-002-0220. M.A.G. Detail No. 220 – Curb and Gutter – Types A, B, C,

and D 

Revi se al l cur b t ypes t o show t hat r oadway wi dt hs ar e measured t o t he back oft he cur b. Revi se t he cl ass of concr et e f r om Cl ass B t o Cl ass A.

13-21-002-0230 M.A.G. Detail No. 230 – Sidewalks

Change the l engt h of t he si dewal k f r om 10 f eet t o 12 f eet on 4 f oot wi de S/ Wbet ween cont r act i on j oi nt .

Change t he scor e mark not e t o r ead: Scor e mark ( 1/ 2 i nch mi ni mum depth)ever y 5 f eet f or 5 f oot S/ W and 4 f oot S/ W. Revi sed t he cl ass of concr et ef r om Cl ass B t o Cl ass A.

13-21-002-0240 M.A.G. Detail No. 240 – Valley Gutter 

Det ai l No. 240 shal l not be used. Use Ci t y of Fl agst af f Det ai l 8- 06- 010.

13-21-002-0250 M.A.G. Detail No. 250 and 251 – Driveway Entrances/ ReturnType Driveways 

Revi se t o i ncl ude t he f ol l owi ng not es:

 The r evi sed dept h of concr et e f or commerci al and i ndust r i al dr i vewaysshal l be 8” mi ni mum.

 The r evi sed dept h of concr et e f or r esi dent i al dr i veways shal l be 6”mi ni mum.

Page 229: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 229/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 229 Effective May 17, 2012

Cl ass of concret e on al l dr i veways shal l be Cl ass A.

 The r adi us on Det ai l 251 shal l be 5 f eet or desi gned t o compl ement t headj oi ni ng parkway and si dewal k.

Revi se Note No. 5 by del et i ng “or scor e mark”.

13-21-002-0380 M.A.G. Detail No. 380 – Thrust Blocks for Water Lines

Repl ace t he t abl e wi t h t he f ol l owi ng t abl e:

 TYPE OFFI TTI NG

Pi pe Si ze( I nches)

MI NI MUM THRUST BLOCK BEARI NG AREA( SQ. FT. ) REQUI RED ( Y x W)

SOFTCLAY SAND SAND &GRAVEL

SAND &

GRAVELWI TH CLAY

ROCK

 TEES & DEADENDS

8 19 9 6 5 2

10 32 16 11 8 4

12 DESI GN 24 16 12 6

16 DESI GN DESI GN 23 17 9

90º BENDS 8 26 13 9 7 3

10 DESI GN 23 15 11 6

12 DESI GN DESI GN 23 17 9

16 DESI GN DESI GN DESI GN 24 12

45º BENDS 8 14 7 5 4 2

10 25 12 8 6 3

12 DESI GN 18 12 9 5

16 DESI GN DESI GN 17 13 7

22½º BENDS  8 7 4 2 2 1

10 13 6 4 3 2)

12 19 9 6 5 2

16 27 13 9 7 3

NOTES:

1. THE BEARI NG AREAS ARE BASED UPON A TEST PRESSURE OF 200 PSI WI TH A FACTOROF SAFETY OF 1. 25 = 250 PSI AND SOI L BEARI NG CAPACI TI ES OF SOFT CLAY( 500 PSF) , SAND ( 1000 PSF) , SAND AND GRAVEL ( 1500 PSF) , SAND AND GRAVELWI TH CLAY (2000 PSF) , AND ROCK ( 4000 PSF) . ADJ USTMENTS MAY BE MADE BYENGI NEERS WI TH SPECI FI C DATA ON SOI L CONDI TI ONS.

Page 230: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 230/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 230 Effective May 17, 2012

2. AREAS FOR PI PE EQUAL TO AND LARGER THAN 18” SHALL BE CALCULATED FOR EACHPROJ ECT.

3. FORM ALL NON- BEARI NG VERTI CAL SURFACES

Page 231: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 231/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 231 Effective May 17, 2012

13-21-002-0390 M.A.G. Detail No. 390 – Curb Stop with Flushing Pipe

Revi se t he det ai l t o i ncl ude t he f ol l owi ng not e:

A 3/ 16” dr ai n hol e shal l be dr i l l ed i n t he bot t om el l of al l f l ushi ngpi pes.

13-21-02-0420 M.A.G. Detail No. 420 – Pre-Cast Concrete Sewer Manhole

Del et e t he Note “st eps not r equi r ed i n 60” M. H. ”

Revi se t o i ncl ude t he f ol l owi ng:

Manhol es t hat have ei t her t wo or mor e i nl et s or i nl et / out l et pi pesr angi ng between 12” and 18” i n di ameter shal l be const r uct ed usi ng 60”i nsi de di amet er manhol e mater i al . Manhol es havi ng i nl et / out l et pi pes24” t o 36” i n di ameter shal l be const r uct ed usi ng 72” i nsi de di amet er

manhol e materi al . Manhol es f or pi pes gr eat er t han 36” i n di amet er shal lbe speci al l y desi gned.

St eps shal l be i nst al l ed i n 60” manhol e per 48” manhol e st andard.

St eps i n al l manhol es shal l be pl aced so t hat cl i mber f aces t r af f i c andt he st eps ar e on t he same si de of t he manhol e the sewer pi pe ent ers orexi t s t he manhol e.

For new manhol es, t he maxi mum di mensi on f r om t he t op of t he l i d t o t het op of t he cone shal l be 22”. The maxi mum di mensi on f r om t he t op of t hel i d t o t he bot t om of t he f l at t op shal l be 24”.

 The manhol e base of al l manhol es shal l be r ei nf or ced wi t h #4 r ebar 8” oncent er bot h ways and pl aced 4” above subgrade el evat i on.

A 1” vert i cal cl earance shal l be pr ovi ded between t he t op of t he sewerpi pe and t he bott om edge of al l manhol e bar r el sect i ons. A sui t abl er adi us shal l be pr ovi ded wher e t he manhol e f l oor j oi ns t he ver t i cal edgeof t he i nver t channel .

Precast manhol e bases may be al l owed i f suf f i ci ent desi gn i nf ormat i on i spr ovi ded t o enabl e a t horough revi ew of t he desi gn f or a r ecommendat i onof appr oval by t he Ci t y Engi neer .

Manhol e bases shal l be pl aced on a mi ni mum 8” aggregat e base cour secompact ed to 100%.

See COF St andard Detai l 9- 02- 092 f or addi t i onal r equi r ement s of t hemanhol e base geomet r y.

13-21-02-0421 M.A.G. Detail No. 421 – Offset Manhole for 8” to 30” Pipe 

Remove t he Not e begi nni ng “1: 3 Cement . . . ”.

Revi se t o i ncl ude t he f ol l owi ng not es:

Page 232: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 232/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 232 Effective May 17, 2012

 The manhol e base shal l be r ei nf or ced wi t h #4 r ebar 8” on cent er bot hways and pl aced 4” above subgrade.

Manhol e bases shal l be pl aced on a mi ni mum 8” aggregat e base cour secompact ed to 100%.

See COF St andard Detai l 9- 02- 092 f or addi t i onal r equi r ement s of t hemanhol e base geomet r y.

13-21-002-0422 M.A.G. Detail No. 422 – Sewer Manhole and Cover Frame

 Adjustment

Remove t he not es begi nni ng “1: 3 Cement . . . ” and “M. H. st ep i n 48” . . . ”.

Revi se t o i ncl ude t he f ol l owi ng not es:

St eps shal l be i nst al l ed i n 60” manhol es per 48” manhol e st andard.

 The manhol e base shal l be r ei nf or ced wi t h #4 r ebar 8” on cent er , pl aced4” bot h ways above subgr ade.

Al l manhol e f r ame and cover adj ust ment s shal l be made i n accor dance wi t hCi t y of Fl agst af f Det ai l 9- 03- 052.

13-21-002-0424 and 13-21-002-0425 M.A.G. Detail No. 424 and 425 – Manhole

Frame and Cover

Al l manhol e f r ames and covers shal l be al umi num.

 The agency name i s not r equi r ed on manhol e cover s.

13-21-002-0426 M.A.G. Detail No. 426 – Drop Sewer Connections

Del et e al l r ef er ences t o “V. C. P. ” and r epl ace wi t h “P. V. C. ” or “D. I . P. ”

13-21-002-0427 M.A.G. Detail No. 427 – Stub-Out and Plugs

Del et e al l r ef er ences t o “V. C. P. ” and r epl ace wi t h “P. V. C. ” or “D. I . P. ”

13-21-002-0440.1 M.A.G. Detail No. 440-1 – Type A Sewer Building Connection 

Del et e al l r ef er ences t o “V. C. P. ” and r epl ace wi t h “P. V. C. ” or “D. I . P. ”

Del ete t he t wo unnumber ed not es begi nni ng “2”x4” _st ake . . . ” and repl ace

each wi t h t he f ol l owi ng note:

Usi ng t he appr opr i at e f i t t i ngs as r equi r ed ( i . e. , 45º, 22. 5º) ext end t heser vi ce ver t i cal l y at t he pr oper t y l i ne or back of P. U. E. t o wi t hi n 36”mi n. t o 42” max. of f i ni shed gr ade. Cover t he end wi t h a ( no- gl ue) capand mark wi t h a br i ck and wi r e. The br i ck shal l be pl aced on t hesurf ace and connect ed t o t he servi ce wi t h 12 ga. ( mi n. ) gal vani zed st eelor a 12 ga ( mi n. ) copper wi r e wi t h gr een i nsul at i on.

Excl ude t he el ect r oni c bal l mar ker s.

Page 233: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 233/382

  CHAPTER 13-21

REVISIONS TO M.A.G. UNIFORM STANDARD SPECIFICATIONS

AND M.A.G. UNIFORM STANDARD DETAILS

Engineering Design Standards 233 Effective May 17, 2012

13-21-002-0440.3 M.A.G. Detail No. 440-3 – Type C Sewer Building Connection.

 The cl ean- out assembl y shal l be l ocat ed behi nd t he si dewal k and may bel ocat ed on ei t her si de of t he pr oper t y l i ne.

Excl ude t he el ect r oni c bal l mar ker s.

Revi se t wo of t he not es i n pr of i l e vi ew as f ol l ows:

1. Revi se t he one- way cl eanout t o r ead:

 Two- way cl eanout wi t h si ngl e r i ser .

2. Revi se t he Number 1 met er box per Det ai l 320 t o r ead:

Fr ame and cover per Detai l 270 ( Concr et e Requi r ed i n Paved Ar easOnl y)

13-21-002-0441 M.A.G. Detail No. 441 – Sewer Cleanout

Del et e r ef er ences t o “vi t r i f i ed cl ay pi pe” ( “V. C. P. ”) and r epl ace wi t h“P. V. C. ” or “D. I . P. ”

Revi se t o i ncl ude t he f ol l owi ng not e:

Sewer cl eanout s shal l be used on publ i c sewer s onl y when speci f i cal l yal l owed by the Ci t y Engi neer .

13-21-002-0533-0540 M.A.G. Detail No. 530-540 – Catch Basin Details 

Cl ar i f i cat i ons – The di mensi ons of t he angl e i r on on t he Fr ame Det ai l s aregi ven i n or der of hei ght , wi dt h, and t hi ckness. Cl ar i f i cat i on i s gi ven t oi nsur e t hat t he f r ame hei ght i s not manuf act ur ed l ess t han t he t hi ckness oft he gr at e.

Sect i on C- C of Det ai l 536- 1 as not ed bel ow t he sect i on appl i es t o Det ai l s531, 532, and 533.

Revi se t o i ncl ude t he f ol l owi ng:

Cat ch basi ns shal l be pl aced on a mi ni mum 8” aggr egate base cour secompact ed to 100%.

Page 234: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 234/382

  CHAPTER 13-22

GLOSSARY

Engineering Design Standards 234 Effective May 17, 2012

CHAPTER 13-22

GLOSSARY

Sections:

13-22-001-0001  Purpose

13-22-001-0002  Word Useage13-22-001-0003  Abbreviations

13-22-001-0004  Definitions

Section 13-22-001-0001 Purpose

 The pur pose of t hi s Gl ossar y i s t o def i ne wor ds, t erms, and phr ases wi t hi nt hese St andards.

Section 13-22-001-0002 Word Usage

I n t he i nt er pr et at i on of t hese St andar ds, t he pr ovi si ons and r ul es of t hi sSect i on shal l be observed and appl i ed, except when the cont ext cl ear l yr equi r es ot her wi se:

A. Words used or def i ned i n one t ense or f orm shal l i ncl ude other t enses andder i vat i ve f or ms.

B. Words i n t he si ngul ar number shal l i ncl ude t he pl ur al number , and wordsi n the pl ur al number shal l i ncl ude t he si ngul ar number .

C. The mascul i ne gender shal l i ncl ude t he f emi ni ne, and t he f emi ni ne gendershal l i ncl ude the mascul i ne.

D. The word "shal l " i s mandatory.

E. The word "may" i s permi ssi ve.

F. The wor d "per son" i ncl udes i ndi vi dual s, f i r ms, cor por at i ons,associ at i ons, t r ust s, and any ot her si mi l ar ent i t i es.

G. The wor d "Ci t y" shal l mean t he Ci t y of Fl agst af f , Ar i zona.

H. The wor d "Counci l " shal l mean t he Ci t y Counci l of t he Ci t y of Fl agst af f .

I . I n case of any di f f er ence of meani ng or i mpl i cat i on bet ween t he t ext oft hese St andar ds and any capt i on, i l l ust r at i on, or t abl e, t he t ext shal lcont rol .

Section 13-22-001-0003 Abbreviations

 The f ol l owi ng abbr evi at i ons ar e used i n t hese St andar ds and ar e i nt ended t ohave t he f ol l owi ng meani ngs:

AASHTO Amer i can Associ at i on of Stat e Hi ghways and Transport at i onOf f i ci al s

ABC Aggregat e Base Course

AC Asphal t i c Concr ete

Page 235: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 235/382

  CHAPTER 13-22

GLOSSARY

Engineering Design Standards 235 Effective May 17, 2012

ADEQ Ar i zona Depar t ment of Envi r onment al Qual i t y

ADOT Ar i zona Depar t ment of Transport at i on

ADT Aver age Dai l y Traf f i c

ARS Ar i zona Revi sed St atut es

ASTM Amer i can Soci ety of Test i ng and Mater i al s

AWWA Amer i can Wat er Wor ks Associ at i on

COE Corps of Engi neers

DI P Duct i l e I r on Pi pe

FEMA Feder al Emer gency Management Agency

MAG Mar i copa Associ at i on of Government s

MUTCD Manual on Uni f orm Traf f i c Cont r ol Devi ces

OSHA Occupat i onal Saf ety and Heal t h Admi ni st r at i on

PC Poi nt of Cur vat ur e

PE Pr of essi onal Engi neer

PI Poi nt of I nt er secti on

PT Poi nt of Tangent

PVC Pol yvi nyl Chl or i de

RLS Regi st ered Land Sur veyor

ROW Ri ght - of - way

SCS Soi l Conservat i on Ser vi ce

Section 13-22-001-0004 Definitions

When used i n t hese St andards, t he f ol l owi ng t erms shal l have t he meani ngsherei n ascr i bed t o them:

 Access. A means of vehi cul ar appr oach or ent r y t o or exi t f r om pr oper t y,f r om a st r eet , or hi ghway.

City.  The Ci t y of Fl agst af f

City Engineer.  The head of t he Ci t y of Fl agst af f Engi neer i ng Sect i on or hi saut hor i zed r epr esent at i ve.

City Standards. Ti t l e 13, Engi neer i ng Desi gn St andards and Speci f i cat i onsf or New I nf r ast r uct ur e.

Page 236: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 236/382

  CHAPTER 13-22

GLOSSARY

Engineering Design Standards 236 Effective May 17, 2012

Community Development Director. The Di r ect or of Communi t y Devel opment f ort he Ci t y of Fl agstaf f , Ar i zona.

Council. The Ci t y Counci l of t he Ci t y.

Dedication. The t r ansf er of pr oper t y i nt er ests f r om pr i vat e t o publ i cowner shi p f or a publ i c pur pose. The t r ansf er may be of f ee si mpl e i nt er estor of a l ess t han f ee si mpl e i nt er est , i ncl udi ng an easement .

Drainage. The r emoval of sur f ace water or groundwater f r om l and by pi pes,gr adi ng, or other means. Dr ai nage i ncl udes the cont r ol of r unof f t o mi ni mi zeerosi on and sedi ment at i on dur i ng and af t er devel opment and i ncl udes t he meansnecessar y f or wat er suppl y pr eser vat i on, pr event i on, or al l evi at i on off l oodi ng.

Drainage Channel. Any depr essi on i nt o whi ch st orm water f l ows al ong adef i ned cour se.

Drainageway. Water cour ses def i ned by t he pr esence of i nt er mi t t ent orperenni al st r eams or t opogr aphy whi ch i ndi cat es a swal e where sur f ace sheetf l ows j oi n or by physi cal dr ai nage i mpr ovement s.

Dry Utilities. Gas, el ectr i c, cabl e, and t el ephone, i n t he Ci t y’ s r i ght - of -way, al so known as f r anchi se ut i l i t i es.

Easement. Aut hor i zat i on by a pr oper t y owner f or t he use by another and f or aspeci f i ed pur pose of any desi gnat ed par t of hi s pr oper t y.

Engineer. Regi st er ed pr of essi onal engi neer i n t he St at e of Ar i zona.

Engineering Plans. Maps, pl at s, pr of i l es, cr oss- sect i ons and ot her requi r ed

det ai l s f or t he const r uct i on of publ i c i mpr ovement s, pr epar ed by a r egi st er edengi neer i n accordance wi t h t hese st andards. These pl ans ar e di st i ngui shedf r om t he pr el i mi nar y submi t t al s whi ch shoul d al so be pr epar ed by a r egi st er edengi neer and ot her appr opr i at e pr of essi onal s.

Erosion. The pr ocess of r emoval and t r anspor t of soi l par t i cl es or l andsur f ace by the act i on of wi nd, wat er , i ce, gr avi t y, or any combi nati ont her eof .

Final Plat. A map of a l and subdi vi si on pr epar ed i n a f or m sui t abl e f orf i l i ng a r ecor d wi t h necessar y af f i davi t s, dedi cat i ons, and accept ances; andwi t h compl et e beari ngs and di mensi ons of al l l i nes def i ni ng l ots and bl ocks,st r eet s and al l eys, publ i c ar eas, and ot her di mensi ons.

Flood or Flooding. A gener al and t emporary condi t i on of par t i al or compl et ei nundat i on of any l and areas f r om t he unusual and r api d accumul at i on orr unof f of sur f ace wat er s of any sour ce and/ or t he over f l ow of f l ood water s.

Floodplain. Any nor mal l y dr y l and ar ea t hat i s suscept i bl e t o bei ngi nundat ed by wat er f r om any sour ce and i s t he maxi mum area of l and that has aone ( 1) per cent change of bei ng f l ooded i n any gi ven year . For t he pur posesof t hese St andar ds, f l oodpl ai n ar eas shal l be consi der ed as one of t hef ol l owi ng t wo t ypes based upon t he adopt ed Ci t y of Fl agst af f Zoni ng Map:

1. Ur ban Fl oodpl ai ns. Those del i neat ed f l oodpl ai n ar eas whi ch are

Page 237: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 237/382

  CHAPTER 13-22

GLOSSARY

Engineering Design Standards 237 Effective May 17, 2012

l ocat ed i n devel oped ur ban ar eas of t he Ci t y of Fl agst af f . .

2. Rur al Fl oodpl ai ns. Those del i neat ed f l oodpl ai n ar eas whi ch areessent i al l y open space and natur al l and uses and whi ch ar e unsui t abl ef or ur ban devel opment pur poses due to poor nat ur al soi l condi t i ons

and per i odi c f l ood i nundat i on.

Horizon Year.  ( Ci t y pl anni ng hor i zon) – The hor i zon year of t he Ci t y’ scur r ent gener al pl an at t he t i me of t he devel opment appl i cat i on, i ni t i al l yt he year 2020.

Impervious Surface. I mpervi ous sur f aces ar e t hose whi ch do not absorb water . They consi st of al l bui l di ngs, parki ng ar eas, dr i veways, r oads, si dewal ks,and any ot her ar eas of concr et e or asphal t .

Improvements. Al l t ypes of r oadway const r uct i on, st r eet l i ght s, st r eet andt r af f i c si gns, si dewal ks, pedest r i an ways, bi cycl e ways, wat er l i nes,sani t ar y sewer s, st or m dr ai nage st r uct ur es, gr adi ng, par ki ng, and ot hercommuni t y f aci l i t i es of l i ke nat ur e.

On-Site Improvements. I mpr ovement s made by publ i c or pr i vat e par t i es onpubl i c or pr i vat e pr oper t y that ar e a condi t i on of devel opment r equi r ed byt he Ci t y of Fl agst af f or ot her aut hor i t y and t hat r equi r e f i nal appr oval byt he Ci t y or ot her aut hor i t y.

One Hundred (100) Year Flood . A f l ood event havi ng a one ( 1) per cent chanceof occur r ence i n any gi ven year .

Peak Hour Trip Generation. The gr eater of t he number of t r i p ends ei t herar r i vi ng or depar t i ng a si t e dur i ng t he hi ghest hour of t ot al t r i p gener at i onf or t he si t e under nor mal condi t i ons.

Plat. A map of a subdi vi si on.

Preliminary Plat. A map and other submi t t al s, i ncl udi ng a si t e capaci t yanal ysi s and a map showi ng r esources on t he si t e, as r equi r ed by t hesubdi vi si on r egul ati ons of t he Ci t y, of a pr oposed subdi vi si on showi ng t hechar act er and pr oposed l ayout of t he t r act i n suf f i ci ent det ai l t o i ndi cat et he sui t abi l i t y of t he pr oposed subdi vi si on of l and.

Private Improvements. I mpr ovement s made by publ i c or pr i vat e par t i es onpubl i c or pr i vat e pr oper t y done under no requi r ement s of t he Ci t y or otheraut hor i t y, and possi bl y not r equi r i ng a per mi t .

Public Improvements. I mpr ovement s made by publ i c or pri vat e part i es wi t hi nPubl i c Ways or Easement s t hat shal l , upon accept ance by t he Ci t y Engi neer ,become and r emai n t he propert y of t he Ci t y of Fl agst af f . These i mpr ovement sare a requi r ement of devel opment per Ci t y Or di nance or vol untary by a pr i vat epar t y. These i mpr ovement s i ncl ude t hose of f si t e i mpr ovement s def i ned i n t heCi t y' s publ i c i mpr ovement ordi nance.

Public Right-of-way. Pr oper t y used t o obt ai n t r anspor t at i onal passage f ort he publ i c wi t h the i mpl i ed power t o per mi t other per sons and publ i c uses t ouse t he r i ght - of - way f or publ i c pur poses ot her t han t r anspor t at i on, i . e.wat er , power , dr ai nage and ot her ut i l i t i es. ( I mpl i es f ee si mpl e owner shi p. )

Public Sanitary Sewer. I ncl udes sani t ar y sewer syst ems ot her t han i ndi vi dual

Page 238: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 238/382

  CHAPTER 13-22

GLOSSARY

Engineering Design Standards 238 Effective May 17, 2012

on- si t e syst ems appr oved by t he St at e or Count y and mai nt ai ned by a publ i cagency aut hor i zed t o operat e such syst ems.

Public Service Access Easement. An easement whi ch gi ves publ i c servi cevehi cl es such as Fi r e and Sani t at i on, access t o pr i vat e pr oper t y.

Public Works. I mpr ovement s made by a Publ i c Agency or Publ i c Ut i l i t y wi t hi nPubl i c Ways or Easement s t hat shal l , upon accept ance by t he Ci t y Engi neer ,r emai n t he pr oper t y of t he Ci t y of Fl agst af f or t he r esponsi bl e agency orut i l i t y. These i mpr ovement s are not a condi t i on or r equi r ement ofdevel opment per t he publ i c i mprovement s or di nance.

Record Plat. A f i nal pl at bear i ng al l t he cer t i f i cat es of appr oval r equi r edand recor ded i n the Coconi no Count y Recor der ' s Of f i ce.

Site Plan. A gr aphi c depi ct i on of f eat ur es on a si t e such as exi st i ng andpr oposed st r uct ur es, paved areas, i ngr ess/ egr ess poi nt s, and l andscaped areasal ong wi t h cer t ai n i nf or mat i on as r equi r ed i n the Ci t y Zoni ng Code.

Specifications.  Ti t l e 13, Engi neer i ng Desi gn St andards and Speci f i cat i onsf or New I nf r ast r uct ur e.  

Standards.  Ti t l e 13, Engi neer i ng Desi gn St andards and Speci f i cat i ons f or NewI nf r astr uctur e.  

Streets:

 Arterial. A r oad whi ch i s i nt ended t o pr ovi de f or hi gh- speed t r avelbet ween or wi t hi n communi t i es, or t o and f r om col l ect or s. Access i scont r ol l ed so t hat onl y regi onal l y si gni f i cant l and uses may t ake di r ectaccess t o t hese st r eet s. ( Ar t er i al cl assi f i cat i on i ncl udes ur ban, ur bancommer ci al , and rur al , both maj or and mi nor . )

Collector. A r oad whi ch i s i nt ended t o connect r esi dent i al st r eet s t oar t er i al r oads or pr ovi de access t o non- r esi dent i al uses and ar t er i alst r eet s. ( Col l ect or cl assi f i cat i on i ncl udes ur ban, ur ban commer ci alcent er , and r ur al col l ect or , bot h maj or and mi nor . )

Freeway. An ar t er i al r oad ( such as an I nt er st at e Hi ghway) wi t h r est r i ct edor l i mi t ed access.

Local. A r oad whi ch i s i nt ended t o pr ovi de access t o abut t i ng r esi dent i alpr oper t i es. ( Local cl assi f i cat i on i ncl udes ur ban commer ci al , ur banr esi dent i al , ur ban commer ci al cent er , r ur al , and r ur al nar r ow. )

Sedimentation. The deposi t i on of soi l t r anspor t ed f r om i t s si t e of or i gi n bywat er , i ce, wi nd, gr avi t y, or ot her means as a r esul t of er osi on.

Street. Any exi st i ng or pr oposed publ i c or pr i vat e st r eet , avenue,boul evar d, r oad, l ane, parkway, pl ace, br i dge, vi aduct or easement f or publ i cvehi cul ar access, or a str eet shown i n a pl at dul y f i l ed and r ecor ded i n t heCount y Recor der ' s Of f i ce. A st r eet i ncl udes al l l and wi t hi n t he st r eetr i ght - of - way, whether i mpr oved or uni mpr oved, and i ncl udes such i mpr ovement sas pavement , shoul der s, cur bs, gut t er s, si dewal ks, par ki ng space, br i dges,and vi aduct s.

Surveyor. A surveyor who i s r egi st ered by t he Ar i zona St ate Boar d of

Page 239: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 239/382

  CHAPTER 13-22

GLOSSARY

Engineering Design Standards 239 Effective May 17, 2012

 Techni cal Regi st r at i on.

Transect 1 (T1). Nat ur al Zone consi st s of l ands appr oxi mat i ng or r ever t i ng toa wi l der ness condi t i on, i ncl udi ng l ands unsui t abl e f or set t l ement due t ot opogr aphy, hydr ol ogy or veget at i on.

Transect 2 (T2). Rur al Zone consi st s of spar sel y set t l ed l ands i n open orcul t i vat ed st ate. These i ncl ude woodl and, gr assl ands, parks and open spacear eas. Typi cal bui l di ngs ar e f ar mhouses, agr i cul t ur al bui l di ngs or cabi ns.

Transect 3 (T3). Sub- Ur ban Zone consi st s of l ow- densi t y r esi dent i al areas,adj acent t o hi gher densi t y zones t hat i ncl ude some mi xed use. Homeoccupat i ons and out bui l di ngs ar e al l owed. Pl ant i ng i s nat ur al i st i c andsetbacks are r el at i vel y deep. Bl ocks may be l arge and t he r oads i r r egul ar t oaccommodate natur al condi t i ons.

Transect 4 (T4). General Ur ban Zone consi st s of mi xed- use but pr i mar i l yr esi dent i al ur ban f abr i c. I t may have a wi de r ange of bui l di ng t ypes, suchas si ngl e- f ami l y, si deyar d bui l di ngs, and r owhouses. Set backs andl andscapi ng are var i abl e. St r eet s wi t h cur bs and si dewal ks def i ne medi um-si zed bl ocks.

Transect 5 (T5). Ur ban Cent er Zone consi st s of hi gher densi t y mi xed- usebui l di ngs t hat accommodate r et ai l , of f i ces, r owhouses and apart ment s. I t hasa t i ght net work of st r eet s and smal l bl ocks, wi t h wi de si dewal ks, r egul ar l yspaced st r eet pl ant i ng, and bui l di ngs set cl ose t o t he si dewal ks.

Transect 6 (T6). Ur ban Core Zone consi st s of t he hi ghest densi t y and hei ght ,wi t h t he gr eat est var i et y of uses, and ci vi c bui l di ngs of r egi onali mport ance. I t may have l arger bl ocks, and st r eet s have r egul ar l y spacedt r ee pl ant i ng wi t h bui l di ngs set cl ose t o t he wi de si dewal ks. The T6 ur bancor e i s t ypi cal l y associ at ed wi t h downt own Fl agst af f , t hus t hi s t r ansectwoul d not be appl i ed i n ot her l ocat i ons wi t hi n t he Ci t y.

Threshold Level Traffic. One hundr ed ( 100) or more peak di r ect i on t r i ps toor f r om t he si t e dur i ng ei t her t he peak hour of t r af f i c on t he adj acentr oadway or t he peak hour of t r af f i c gener at i on of t he si t e i t sel f .

Utilities. I nstal l at i ons or f aci l i t i es f urni shi ng, f or the use of t hepubl i c: el ect r i ci t y, gas, st eam, communi cat i on, water , dr ai nage, sewagedi sposal , or f l ood cont r ol ; ut i l i t i es may be owned and oper ated by anyper son, f i r m, cor por at i on, muni ci pal depar t ment / di vi si on, or boar d, dul yappoi nt ed by st at e or muni ci pal r egul at i ons. Ut i l i t y or ut i l i t i es as usedher ei n may al so r ef er t o such per sons, f i r ms, cor por at i ons,depar t ment / di vi si on, or boar ds. Al l ut i l i t y l i nes associ at ed wi t hdevel opment or r edevel opment shal l be under ground i n accordance wi t h thepr ovi si ons of t he Ci t y Code.

 Watercourse. Any l ake, r i ver , creek, st r eam, wash, ar r oyo, channel , or ot hert opogr aphi c f eat ur e on or over whi ch wat er s f l ow, at l east per i odi cal l y.

Page 240: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 240/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 240 Effective May 17, 2012

CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

8- 02- 010  St or m Dr ai n Trench8- 06- 010  Val l ey Gut t er9- 01- 010  Under gr ound Ut i l i t i es i n St r eet s Typi cal Locat i on and Tr ench

Det ai l9- 01- 011  Ser vi ce Locat i on9- 01- 020  Tracer Wi r e9- 01- 030  Tr enchi ng and Backf i l l ( exi st i ng paved st r eet )9- 01- 031  Trenchi ng and Backf i l l ( new paved st r eet )9- 01- 032  Trenchi ng and Backf i l l ( unpaved easement or st r eet )9- 01- 033  Tr enchi ng and Backf i l l ( exi st i ng paved par ki ng l ot )9- 02- 080  Deep Sewer Ser vi ces9- 02- 092  Manhol e Base Geomet r y9- 03- 053  End of Li ne Tempor ary Bl ow Of f9- 03- 054  End of Li ne Per manent Bl ow Of f9- 03- 055  I n Li ne Bl ow Of f f or Mai ns 12” and Smal l er9- 03- 056  I n Li ne Bl ow Of f f or Mai ns Larger t han 12”9- 03- 060  Val ve Box Adj ust ment9- 03- 061  Val ve Ext ensi on St em9- 03- 062  Ri ng, Frame, or Cover I nst al l at i on9- 03- 070  3/ 4 and 1 i nch Wat er Ser vi ce Connect i on9- 03- 071  1 1/ 2 and 2 i nch Wat er Ser vi ce Connect i on9- 03- 080  Concr et e Wat er Met er Box Assembl y9- 03- 081  Mul t i pl e Met er Mani f ol ds9- 03- 082  3”, 4”, 6” Compound Met er9- 03- 083  4”, 6”, 8”, 10” Fi r e Ser vi ce Met er9- 03- 100  2" Combi nat i on Ai r Rel ease Val ve.9- 06- 010  Wat er / Sewer Li ne Casi ng

9- 06- 030  Non- Shr i nk Sl ur r y Backf i l l9- 06- 071  Doubl e Check Val ve Assembl y9- 06- 072  Reduced Pr essure Assembl y9- 06- 073  Pressure VacuumBr eaker Assembl y9- 06- 074  Ai r Gap Backf l ow Protect i on f or Water Tanks9- 06- 075  Fi r e Hydr ant Met er Backf l ow Prot ect i on10- 03- 010  St r eet Name Si gn10- 03- 020  Traf f i c Si gnal St r eet Si gn ( wher e names change)10- 03- 030  Tr af f i c Si gnal St r eet Si gn10- 04- 010  Ur ban Cul - de- sac10- 04- 011  Rur al Cul - de- sac10- 06- 010  I nt er secti on St r i pi ng10- 06- 011  St andard Del i neator10- 06- 012  St op Ramp Par amet er s10- 06- 013  Det ect or Loops f or Tr af f i c Count er s10- 06- 014  Medi an wi t h 90’ or 60’ Taper10- 09- 010  Asphal t Pavement St r uct ur al Sect i on10- 09- 032  Maj or or Mi nor Ar t er i al10- 09- 034  Maj or Col l ect or10- 09- 035  Mi nor Col l ect or10- 09- 036  Commerci al Local10- 09- 037  Resi dent i al Local “Wi de”10- 09- 038  Resi dent i al Local10- 09- 039  Resi dent i al Local “Nar r ow”10- 09- 040  Maj or Ar t er i al “Commer ci al Cent er ”

Page 241: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 241/382

Page 242: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 242/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 242 Effective May 17, 2012

19- 02- 019  Dr i p I r r i gat i on Remote Cont r ol Val ve Assembl y19- 02- 021  I r r i gat i on Wi r e Connect i on19- 02- 022  I r r i gat i on Wi r e Sl eevi ng Char t19- 02- 023  Schemat i c Layout19- 02- 024  Sol ar Cont r ol l er

19- 02- 025  Sol ar Cont r ol l er and Backf l ow Prevent er Encl osur e19- 02- 026  Maxi com CCU ( 6 or 28) - Wal l Mount19- 02- 027  Maxi com Esp- Sat Fi el d Sat el l i t e Cont r ol l er – Wal l Mount19- 02- 028  Maxi com Esp- Sat Fi el d Sat el l i t e Cont r ol l er S. S. Pedest al19- 02- 029  Maxi com Fl ow Sensor ( PT1502)19- 02- 030  Cont r ol l er Encl osur e19- 02- 031  Gr oundi ng Rod Gr i d19- 02- 032  Gr oundi ng Pl at e Desi gn Layout19- 02- 033  Weat her Stat i on Ext ernal Wi r e Connect i on19- 02- 034  Maxi com Var i abl e Wi nd Speed Detect i on19- 02- 035  Sl eeve Trenchi ng Det ai l19- 02- 036  I r r i gat i on Tr enchi ng19- 02- 037  I r r i gat i on Thr ust Bl ockPW 50. 10  Dumpst er Encl osure

Page 243: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 243/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 243 Effective May 17, 2012

Page 244: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 244/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 244 Effective May 17, 2012

Page 245: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 245/382

Page 246: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 246/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 246 Effective May 17, 2012

Page 247: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 247/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 247 Effective May 17, 2012

Page 248: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 248/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 248 Effective May 17, 2012

Page 249: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 249/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 249 Effective May 17, 2012

Page 250: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 250/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 250 Effective May 17, 2012

Page 251: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 251/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 251 Effective May 17, 2012

Page 252: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 252/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 252 Effective May 17, 2012

Page 253: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 253/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 253 Effective May 17, 2012

Page 254: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 254/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 254 Effective May 17, 2012

Page 255: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 255/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 255 Effective May 17, 2012

Page 256: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 256/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 256 Effective May 17, 2012

Page 257: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 257/382

Page 258: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 258/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 258 Effective May 17, 2012

Page 259: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 259/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 259 Effective May 17, 2012

Page 260: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 260/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 260 Effective May 17, 2012

Page 261: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 261/382

Page 262: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 262/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 262 Effective May 17, 2012

Page 263: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 263/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 263 Effective May 17, 2012

Page 264: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 264/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 264 Effective May 17, 2012

Page 265: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 265/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 265 Effective May 17, 2012

Page 266: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 266/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 266 Effective May 17, 2012

Page 267: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 267/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 267 Effective May 17, 2012

Page 268: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 268/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 268 Effective May 17, 2012

Page 269: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 269/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 269 Effective May 17, 2012

Page 270: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 270/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 270 Effective May 17, 2012

Page 271: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 271/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 271 Effective May 17, 2012

Page 272: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 272/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 272 Effective May 17, 2012

Page 273: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 273/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 273 Effective May 17, 2012

Page 274: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 274/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 274 Effective May 17, 2012

Page 275: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 275/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 275 Effective May 17, 2012

Page 276: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 276/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 276 Effective May 17, 2012

Page 277: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 277/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 277 Effective May 17, 2012

Page 278: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 278/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 278 Effective May 17, 2012

Page 279: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 279/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 279 Effective May 17, 2012

Page 280: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 280/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 280 Effective May 17, 2012

Page 281: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 281/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 281 Effective May 17, 2012

Page 282: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 282/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 282 Effective May 17, 2012

Page 283: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 283/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 283 Effective May 17, 2012

Page 284: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 284/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 284 Effective May 17, 2012

Page 285: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 285/382

Page 286: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 286/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 286 Effective May 17, 2012

Page 287: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 287/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 287 Effective May 17, 2012

Page 288: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 288/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 288 Effective May 17, 2012

Page 289: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 289/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 289 Effective May 17, 2012

Page 290: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 290/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 290 Effective May 17, 2012

Page 291: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 291/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 291 Effective May 17, 2012

Page 292: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 292/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 292 Effective May 17, 2012

Page 293: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 293/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 293 Effective May 17, 2012

Page 294: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 294/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 294 Effective May 17, 2012

Page 295: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 295/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 295 Effective May 17, 2012

Page 296: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 296/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 296 Effective May 17, 2012

Page 297: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 297/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 297 Effective May 17, 2012

Page 298: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 298/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 298 Effective May 17, 2012

Page 299: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 299/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 299 Effective May 17, 2012

Page 300: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 300/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 300 Effective May 17, 2012

Page 301: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 301/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 301 Effective May 17, 2012

Page 302: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 302/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 302 Effective May 17, 2012

Page 303: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 303/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 303 Effective May 17, 2012

Page 304: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 304/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 304 Effective May 17, 2012

Page 305: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 305/382

Page 306: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 306/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 306 Effective May 17, 2012

Page 307: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 307/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 307 Effective May 17, 2012

Page 308: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 308/382

Page 309: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 309/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 309 Effective May 17, 2012

Page 310: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 310/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 310 Effective May 17, 2012

Page 311: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 311/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 311 Effective May 17, 2012

Page 312: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 312/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 312 Effective May 17, 2012

Page 313: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 313/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 313 Effective May 17, 2012

Page 314: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 314/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 314 Effective May 17, 2012

Page 315: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 315/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 315 Effective May 17, 2012

Page 316: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 316/382

Page 317: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 317/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 317 Effective May 17, 2012

Page 318: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 318/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 318 Effective May 17, 2012

Page 319: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 319/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 319 Effective May 17, 2012

Page 320: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 320/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 320 Effective May 17, 2012

Page 321: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 321/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 321 Effective May 17, 2012

Page 322: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 322/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 322 Effective May 17, 2012

Page 323: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 323/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 323 Effective May 17, 2012

Page 324: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 324/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 324 Effective May 17, 2012

Page 325: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 325/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 325 Effective May 17, 2012

Page 326: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 326/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 326 Effective May 17, 2012

Page 327: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 327/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 327 Effective May 17, 2012

Page 328: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 328/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 328 Effective May 17, 2012

Page 329: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 329/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 329 Effective May 17, 2012

Page 330: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 330/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 330 Effective May 17, 2012

Page 331: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 331/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 331 Effective May 17, 2012

Page 332: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 332/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 332 Effective May 17, 2012

Page 333: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 333/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 333 Effective May 17, 2012

Page 334: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 334/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 334 Effective May 17, 2012

Page 335: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 335/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 335 Effective May 17, 2012

Page 336: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 336/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 336 Effective May 17, 2012

Page 337: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 337/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 337 Effective May 17, 2012

Page 338: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 338/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 338 Effective May 17, 2012

Page 339: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 339/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 339 Effective May 17, 2012

Page 340: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 340/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 340 Effective May 17, 2012

Page 341: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 341/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 341 Effective May 17, 2012

Page 342: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 342/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 342 Effective May 17, 2012

Page 343: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 343/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 343 Effective May 17, 2012

Page 344: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 344/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 344 Effective May 17, 2012

Page 345: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 345/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 345

Page 346: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 346/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 346

/ / /

Page 347: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 347/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 347 Effective May 17, 2012

Page 348: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 348/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 348

Page 349: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 349/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 349

Page 350: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 350/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 350

Page 351: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 351/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 351

Page 352: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 352/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 352

Page 353: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 353/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 353

Page 354: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 354/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 354

Page 355: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 355/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 355

Page 356: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 356/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 356

Page 357: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 357/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 357

Page 358: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 358/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 358

Page 359: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 359/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 359

Page 360: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 360/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 360

Page 361: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 361/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 361

Page 362: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 362/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 362

Page 363: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 363/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 363

Page 364: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 364/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 364

Page 365: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 365/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 365

Page 366: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 366/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 366

Page 367: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 367/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 367

Page 368: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 368/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 368

Page 369: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 369/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 369

Page 370: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 370/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 370

Page 371: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 371/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 371

Page 372: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 372/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 372

Page 373: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 373/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 373

Page 374: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 374/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 374

Page 375: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 375/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 375

Page 376: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 376/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 376

Page 377: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 377/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 377

Page 378: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 378/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 378

Page 379: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 379/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 379

Page 380: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 380/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 380

Page 381: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 381/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 381

Page 382: RP Device Flagstaff Standards

8/16/2019 RP Device Flagstaff Standards

http://slidepdf.com/reader/full/rp-device-flagstaff-standards 382/382

  CHAPTER 13-23

STANDARD DRAWINGS; CITY OF FLAGSTAFF

Engineering Design Standards 382