ELEVATION VIEW - eng2.lacity.orgeng2.lacity.org/techdocs/stdplans/s-400/S-496-1.pdf · 18support...

M

FLOW

FLOW

1'-2"

2"

GUTTER 6" PARKWAY SIDEWALK PER S-444PER S-410 AND/OR

INTERCEPT PER S-495

STREETWIDTH VARIES CURB

FLOW

STREET CONVEYANCE SYSTEM OFFLINE CONVEYANCE SYSTEM

2"

3'-10"1'1"

PL

PARTIAL PLAN "A""INLET VAULT" ONSHEET 2.

PARTIAL PLAN "B""PASSIVE IRRIGATION"ON SHEET 3, PLAN "D"ALTERNATIVE SYSTEMALIGNMENT ON SHEET6, STORAGE OPTIONPLAN "E" ON SHEET 7.

PARTIAL PLAN "C""DRAIN VAULT" ONSHEET 4.

PLAN VIEWNOT TO SCALE

300' MAX.

ELEVATION VIEWNOT TO SCALE

12" TYP.

1'-6"

1'-2"

1'-6"

1'-2"

1'-6"

2'-0" MIN. 5'-0" MIN.

1'-2"

1'-7"

1 7/8"

8"

1'-6"CONVENIENCE

STRIP

1/2"

1'-6"

1'-6"

TBD

BUREAU OF ENGINEERING CITY OF LOS ANGELES

STANDARD PLAN

SUPERSEDES REFERENCES

SHEET 1 OF 9 SHEETS

PASSIVE IRRIGATION IN PARKWAY AND MEDIAN S-496-1

GARY LEE MOORE, P.E.

DATE

CITY ENGINEER

EDWARD ARRINGTON, S.E.

KENNETH R. REDD, P.E.

APPROVEDSUBMITTED

DATE

S-323

DATE

ENGINEER OF DESIGN

DEPUTY CITY ENGINEER

BUREAU OF ENGINEERING

S-480S-351 S-481S-354 S-482S-355 S-483S-410 S-484S-430 S-487S-444 S-488S-470

DEPARTMENT OF PUBLIC WORKS

VAULT INDEX NUMBER:CHECKED

PREPARED

PATRICK LEE, P.E.


ASST. DIRECTOR

LA SANITATION & ENVIRONMENTSHAHRAM KHARAGHANI, PhD, P.E.

DEBORAH DEETS, RLA, FASLA

TOMAS SIPAILA

DESIGNERS

B-4789

CURB FACEBATTER 1 1/2 :12

2'-0" MIN. 24"

Electronically Signed by Edward Arrington, S.E. on 06/17/2020

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OFFICIAL RECORD

Electronically Signed by Ken Redd on 06/25/2020 3:30:35 PM

06/25/2020Electronically signed by 21866 on 06/25/2020 at 9:15:14 PM 06/25/2020

REGI

STER

ED PROFESSIONAL ENGINEER

STATE OF CALIFORNIAC I V I L

GARY LEE MOORE

No. C-49446

1

2

OPTIONAL PER S-495 STREET INTERCEPTSTORM WATER AGGREGATE FILTER ANDUPSTREAM CONNECTION VIA INLET VAULT.

3 PARKWAY SURFACE, SEE NOTE 18,SHEET 9.

4 WASHED SAND AGGREGATE, SEE NOTES9 AND 17, SHEET 9.

5 WASHED GRAVEL AGGREGATE, SEE NOTES10 AND 17, SHEET 9.

6

7

8 45 MIL IMPERMEABLE EPDM LINER & WATERBARRIER TO FINISH GRADE.

9 IMPERMEABLE EPDM LINER PENETRATION W/WATER PROOF CONDUIT FLASHING, TYP. SEEDETAIL "E" SHEET 8.

10 NON-PRESSURIZED 2" Ø CONNECTOR PIPE,TYP. SEE NOTE 5, SHEET 9.

11 SUPPORT BLOCK UNDER CONNECTOR PIPE,TYP. SEE NOTE 15, SHEET 9.

12

CONVEYANCE CHAMBER, TYP. SEE NOTE2, SHEET 9.

13

12" Ø PRECAST CONCRETE VAULT, SEE ALSOSTREET INTERCEPT.

14

15

CAST IRON LOCKING COVER EMBOSSED WITH "INLETOV" FOR PASSIVE IRRIGATION INLET.

LEGEND

INLET DISCHARGE FROM PUMP.

EXISTING UTILITY, SEE NOTE 7, SHEET 9.1" PRESSURIZED RECIRCULATION PIPE FROMPUMP, SEE NOTES 5 AND 6, SHEET 9.POTABLE OR ALTERNATIVE SUPPLEMENTAL WATERSOURCE PIPE, SEE NOTES 5, 11 AND 12, SHEET 9.

FLOW

9 5

1 4

10 16

FLOW

PARTIAL PLAN AINLET VAULT - NOT TO SCALE

12 13 18 19

11 17 7 14 158

1 2 12 7 818

15

22

141617 1011 6

16 PROTECTION LAYER OVER IMPERMEABLEEPDM LINER, UNDER CONC VAULT. SEE NOTE21, SHEET 9.

17 (2) 2X4 RECYCLED PLASTIC SUPPORT BOARDS,18" LONG. 3/4" NOTCH HALFWAY TYP.

18 GATE VALVE.

PL

19 SIDEWALK PER S-444.

9

2 22

20 2" ORGANIC MULCH IN LANDSCAPES PER S-480.

20

21 CONVENIENCE STRIP.

21

FLOW

22 UPSTREAM PIPING CONNECTION FROM INTERCEPTAND/OR ADDITIONAL PASSIVE IRRIGATION.

FLOW

FLOW

FLOW

SHEET 2 OF 9 SHEETSSTANDARD PLAN NO. VAULT INDEX NUMBERS-496-1

3

1'-6"

23 WATER TIGHT RUBBER GASKET ON ALL VAULTPENETRATIONS, TYP. SEE NOTE 21, SHEET 9.

24 GEO-FABRIC SEPARATES CONVENIENCE STRIPBASE MATERIAL, TYP.

24 23

23

2A

SECTION AINLET VAULT - NOT TO SCALE2

A

19

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OFFICIAL RECORD

67 54

PARTIAL PLAN BPASSIVE IRRIGATION - NOT TO SCALE

1

10

LEGENDPARKWAY SURFACE, SEE NOTE 18,SHEET 9.

2

3 TYPE "C" INTEGRAL CURB AND GUTTERPER S-410.


5 WASHED GRAVEL AGGREGATE, SEENOTES 10 AND 17, SHEET 9.

6

7

CONVEYANCE CHAMBER, SEE NOTE 2,SHEET 9.IMPERMEABLE EPDM LINER CHECK DAMW/ UPRIGHT WALLS; SEE NOTE 3, SHEET 9.

EXISTING UTILITY, SEE NOTE 7, SHEET 9.

NON-PRESSURIZED 2" Ø CONNECTOR PIPE,TYP. SEE NOTE 5, SHEET 9.

11 SUPPORT BLOCK UNDER CONNECTOR PIPE, TYP.SEE NOTE 15, SHEET 9.

12

13

STREET WIDTH PER S-470.

14

15

LEVEL SUBGRADE, SEE NOTE 8, SHEET 9.

1" PRESSURIZED RECIRCULATION PIPE FROMPUMP, SEE NOTES 5 AND 6, SHEET 9.SUPPLEMENTAL WATER SOURCE PIPE; SEENOTES 5 AND 12, SHEET 9.

8

9

45 MIL IMPERMEABLE EPDM LINER &WATER BARRIER TO FINISH GRADE, TYP.2" ORGANIC MULCH IN LANDSCAPES PERS-480.

1

8

9

10

312

13 14 15

10

12

1514

18

2 7 6

11

8

16 IMPERMEABLE EPDM LINER PENETRATIONW/ WATER PROOF CONDUIT FLASHING,TYP. SEE DETAIL "E" SHEET 8.

16

16

FLOW

17 22.5° 2" ELBOW CONNECTOR, TYP.

17

6 10 4

13 8 5 13

11 17

2

FLOW

7

18 SUPPORT BOARD (SACRIFICIAL 1" WOODBOARD OR EQUAL) FOR UPRIGHT LINERCHECK DAM.

18


19 SUB-GRADE BENCH SEPARATION AT CHECKDAM, TYP. SEE NOTE 3, SHEET 9.

19

1'-6"

2"

2"8"

20 CONVENIENCE STRIP

21 GEO-FABRIC SEPARATES CONVENIENCESTRIP BASE MATERIAL, TYP.

2021

3B1

3B

SECTION BGRADE TRANSITION WITH CHECK DAM -NOT TO SCALE

3B

SECTION B1PASSIVE IRRIGATION - NOT TO SCALE3

B1

3

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OFFICIAL RECORD

M

M

PARTIAL PLAN CDRAIN VAULT - NOT TO SCALE

1

10

LEGEND

2

3 OVERFLOW OUTLET TO DOWNSTREAMCONNECTION; ADDITIONAL PASSIVEIRRIGATION, INFILTRATION INJECTION WELL,BYPASS, STORAGE (SEE SHEET 7) OR EXISTINGSTORMWATER INFRASTRUCTURE (SEE NOTESHEET 7).

4 SOLAR PANEL POLE MOUNT W/ NON-SLIPREBAR, SEE DETAIL "A", SHEET 5.

5

PRECAST CONCRETE VAULT, TYP.

6

7

8

9 IMPERMEABLE EPDM LINER PENETRATIONW/ WATER PROOF CONDUIT FLASHING,TYP. SEE DETAIL "E" SHEET 8.INFLOW NON-PRESSURIZED 2" ØCONNECTOR PIPE FROM UPSTREAMPASSIVE IRRIGATION, TYP. SEE NOTES 5AND 6, SHEET 9.

11

12

CONVEYANCE CHAMBER, TYP. SEE NOTE2, SHEET 9.

13

14

15

45 MIL IMPERMEABLE EPDM LINER &WATER BARRIER TO FINISH GRADE.

EXISTING UTILITY, SEE NOTE 7, SHEET 9.1" PRESSURIZED RECIRCULATION PIPE FROM PUMP.SEE NOTES 5 AND 6, SHEET 9.SUPPLEMENTAL WATER SOURCE PIPE, SEE NOTES 5AND 12, SHEET 9.

16 PROTECTION LAYER OVER IMPERMEABLEEPDM LINER, UNDER CONC VAULT, TYP. SEENOTE 21, SHEET 9.

17 (2) 2X4 RECYCLED PLASTIC SUPPORT BOARDS, 18"LONG. 3/4" NOTCH HALFWAY TYP.

18 WATER SUPPLY GATE VALVE.

PARKWAY SURFACE, SEE NOTE 18,SHEET 9.

CONCRETE FOOTING FOR SOLAR PANELPOLE MOUNT, SET MIN. 24" FROM CURBFACE. SEE DETAIL"A" SHEET 5.

FERTIGATION UNIT OR APPROVED EQUAL. SEE DETAIL "D"SHEET 8; SEE NOTE 19, SHEET 9.

TYPE "C" INTEGRAL CURB AND GUTTER PERS-410.


19 WATER SUPPLY FLOAT VALVE, SEE NOTES 5 AND 14,SHEET 9.

20 SUBMERSIBLE RECIRCULATION PUMP, SEE NOTES 5AND 13, SHEET 9.

1112 7 23 19 21 13 18

2 816 17203 14 155

21 CONCRETE VAULT BOX WITH COVER, SEE DETAIL"F" SHEET 8.

12

3 918

2

13211923720

151410

MIN. 6"

22

22 WATER SURFACE ELEVATION (WSE) AT INFLOW ACTIVATION.

4

FLOW

23 CAST IRON LOCKING COVER EMBOSSED WITH "OUTLET OV" FORPASSIVE IRRIGATION DRAIN VAULT.

61716

8 5 4


1

FOOTING DEPTH TBD BY ENGINEER

24 WATER METER UPSTREAM OF FLOAT VALVE. SEE NOTE 14, SHEET 9.

24

1'-6"

25

25 WATER TIGHT RUBBER GASKET ON ALL VAULT PENETRATIONS,TYP. SEE NOTE 21, SHEET 9.

25

24

SECTION CDRAIN VAULT - NOT TO SCALE4

C

4C

11

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OFFICIAL RECORD

1 2 3 4 5

MTIME

SWITCH

DETAIL CMEDIAN - NOT TO SCALE

DETAIL DSUB-GRADE BENCHES W/ CHECK DAMS - NOT TO SCALE

1

10

LEGEND CPARKWAY / MEDIAN SURFACE, SEE NOTE 18,SHEET 9.

2

3



6

7

CONVEYANCE CHAMBER, SEE NOTE 2,SHEET 9.IMPERMEABLE EPDM LINER CHECK DAMW/ UPRIGHT WALLS; WIDTH PER PLANS,SEE NOTE 3, SHEET 9.


NON-PRESSURIZED 2" Ø CONNECTOR PIPE,TYP. SEE NOTE 5, SHEET 9.

11 TYPE "C" INTEGRAL CURB AND GUTTER PER S-410.

12

13

STREET WIDTHS PER S-470.

14

15


1" PRESSURIZED RECIRCULATION PIPE FROMPUMP, SEE NOTES 5 AND 6, SHEET 9.

SUPPLEMENTAL WATER SOURCE PIPE; SEENOTES 5 AND 12, SHEET 9.

8

9

45 MIL IMPERMEABLE EPDM LINER & WATERBARRIER, TYP. SEE NOTE 3, SHEET 9.2" ORGANIC MULCH IN LANDSCAPES PER S-480.

FLOW FLOW

SUB-GRADE BENCH SEPARATION ATCHECK DAM, TYP. SEE NOTE 3, SHEET 9.

28 54 13 10 6 7 14 15

91112 1

91

35 4 138 7 6 10

TIMER INTERNAL WIRINGFIELD WIRING

DETAIL ASOLAR PANEL POLE MOUNT - NOT TO SCALE

DETAIL BLOW VOLTAGE WIRING DIAGRAM - NOT TO SCALE

1. MIN. 24" X 24", 30 WATT SILVER POLY SOLAR PANEL OR APPROVEDEQUAL. 1.72AMP, 12VDC.

2. 3" X 3", 24 HOUR / 7 DAY ELECTRONIC TIME SWITCH OR APPROVEDEQUAL. 16AMP, 12VDC, WEATHERPROOF.

3. 4.75" X 4.25" X 2.75", 16.8WATT CIRCULATING PUMP OR APPROVEDEQUAL. 1.4AMP, 12VDC, SUBMERSIBLE.

DETAIL B NOTES

2'-0"

6"

TBD

ØTBD

SOLAR PANEL*SEE NOTE 1

TIMER SWITCH*SEE NOTE 2

PUMP*SEE NOTE 3

1

2

3

4

5

6

7

8

1

2

SOLAR PANEL.

2 - 1" X 10" X 14"STEEL STRAPS.

3 6" X 6" X 4"WEATHERPROOF ENCLOSURE.

4 STEEL POST OR APPROVED EQUAL TBD BYENGINEER OF RECORD.

LEGEND A

5 CONNECT 1" RIGID GALV. STEEL CONDUITBEFORE FOOTING POUR.

6 FINISH SURFACE.

7 SCH. 40 PIPE COUPLINGS CONNECTIONTO DRAIN VAULT.

MIN. 9'-0"

8 CONCRETE FOOTING AND NON-SLIP REBAR TBD BYENGINEER OF RECORD CONSIDERING WINDSHEAR, SOIL TYPE, HEIGHT AND PANEL SIZE. SETMIN. 24" FROM CURB FACE.

SLOPESLOPE


MIN. 18"

16 PER SECTION 6.2 OF MOBILITY COMPLETESTREETS MANUAL, MIN. 18" WIDE WALKABLESTRIP IF LOCATED IN ARTERIALS STREETS.

16

17 MAX. 1' OPTIONAL INFILTRATION SPACEBETWEEN UPRIGHT LINER WALLS. MIN. 10'CLEARANCE FROM DWP PP OR SL UTILITY,MIN. 3' CLEARANCE FROM BACK OF CURB.

17

MAX. 1'

18 6" Ø NON-PRESSURIZED DISTRIBUTION PIPEUTILIZED WHERE PASSIVE IRRIGATION WIDERTHAN 5', TYP. SEE NOTE 5, SHEET 9.

18

19 SUPPORT BLOCK, TYP. SEE NOTE 15, SHEET 9.

19

(ARTERIALSTREETS)

1'-6"

1'-6"

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OFFICIAL RECORD

PARTIAL PLAN DALTERNATIVE ALIGNMENT - NEW OR EXISTING TREENOT TO SCALE

1

LEGENDSTREET INTERCEPT STORM WATERFILTER ADDITIONAL CONNECTION.

2

3 LANDSCAPE SURFACE, SEE NOTE 18,SHEET 9.



6

7

CONVEYANCE CHAMBER, SEE NOTE 2,SHEET 9.IMPERMEABLE EPDM LINER CHECK DAMW/ UPRIGHT WALLS, SEE NOTE 3, SHEET 9.



11 TYPE "C" INTEGRAL CURB AND GUTTER PERS-410.

12

13


14

15


GEOTEXTILE SEPARATES SIDEWALK BASE PERS-444.SIDEWALK F.S. PER S-444.

8

9

45 MIL IMPERMEABLE EPDM LINER & WATERBARRIER, TYP. SEE NOTE 3, SHEET 9.2" ORGANIC MULCH IN LANDSCAPES PER S-480.

16 SUPPORT BLOCK UNDER CONNECTORPIPE, TYP. SEE NOTE 15, SHEET 9.

3

2 4 56 7

9

10

12

13

14 15

16

3

2

PL

16

6

8

10

12

15

FLOW

FLOW

FLOW

1

1

8

17 CONVENIENCE STRIP

17

18 2" TEE CONNECTOR, TYP.

18

7

18

19 2" 90° ELBOW CONNECTOR, TYP.

19

20 8"-10" UPRIGHT LINER AROUND PERIMETEROF NEW OR EXITING TREE, TYP.

20

21

21 SUPPORT BOARD FOR UPRIGHT LINERCHECK DAM, TYP.


22 PRECAST CONCRETE OBSERVATION VAULT

23 ALTERNATIVE BYPASS CONNECTIONDOWNSTREAM (IF SIDEWALK TO NOT BEDISTRUBED).

22

23

22

FLOW

1'-6"

6D

SECTION DALTERNATIVE ALIGNMENT - NEW OREXISTING TREE - NOT TO SCALE

6D

11

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OFFICIAL RECORD

M

M

PARTIAL PLAN EPARKWAY SUB-STORAGE OPTION - NOT TO SCALE

1

LEGENDSTREET INTERCEPT STORM WATERFILTER CONNECTION.

2

3 LANDSCAPE SURFACE, SEE NOTE 18,SHEET 9.



6

7

CONVEYANCE CHAMBER, SEE NOTE 2,SHEET 9.IMPERMEABLE EPDM LINER UPRIGHTCHECK DAM, SEE NOTE 3, SHEET 9.



11 TYPE "C" INTEGRAL CURB AND GUTTERPER S-410.

12

13


14

15


GEOTEXTILE SEPERATES SIDEWALK BASE PERS-444.SIDEWALK F.S. PER S-444.

8

9

45 MIL IMPERMEABLE EPDM LINER &WATER BARRIER TO FINISH GRADE, TYP.2" ORGANIC MULCH IN LANDSCAPES PER S-480.

16 SUPPORT BLOCK UNDER CONNECTOR PIPE,TYP. SEE NOTE 15, SHEET 9.

17 (2) 2X4 RECYCLED PLASTIC SUPPORTBOARDS, 18" LONG. 3/4" NOTCH HALFWAY TYP.

18 STORAGE, TYP. SEE NOTE 16, SHEET 9.

19 PRECAST CONCRETE VAULT; SEE LEGENDNOTES 5-7 AND 18, SHEET 2.

20 STORAGE OVERFLOW OUTLET TO: ADDITIONALDOWNSTREAM STORAGE, APPLICABLEDOWNSTREAM PASSIVE IRRIGATION, BYPASS,INFILTRATION INJECTION WELL, OR EXISTINGSTORMWATER INFRASTRUCTURE. SEE NOTETHIS SHEET.

PL

4

5

6

7

16

9 2212

13

14 15

2318 20

3 15

6

7

10

12

23 18

19

20

TBD

FLOW FLOWFLOW

21 2" Ø RUBBER PRESSURE GASKET, SEENOTE 6, SHEET 9.

1

1

22 6"Ø NON-PRESSURIZED DISTRIBUTIONPIPE, TYP. SEE NOTE 5, SHEET 9.

22

16

2

21 8

2

10

19

18

19

FLOW

FLOW

FLOW FLOW

FLOW

FLOW

18

23 STANDPIPE CONNECTED TO STORAGEWITH; WATER SUPPLY, WATER METER,FLOAT VALVE, PUMP RECIRCULATIONSYSTEM. SEE SHEET 4, LEGEND NOTES13-25, AND SECTION "F" SHEET 7 OF 9.

17

17

13

8

17

8

NOTE:

OVERFLOW DRAIN CONNECTION PER S-480 GENERAL REQUIREMENT 5B AT EXISTING STORMDRAIN, ORTO S-323, S-351, S-354, S-355; GREEN STREETS STANDARDS S-481, S-482, S-483, S-484, S-487, S-488;INFILTRATION DRY WELL; DOWNSTREAM STORAGE OR APPROVED DOWNSTREAM APPLICATIONS.ADDITIONAL PIPING AND PUMPING CAPACITY SHALL BE DETERMINED BY ENGINEER OF RECORD.


3

1'-6"

FLOW

24 WATER METER UPSTREAM OF FLOATVALVE. SEE NOTE 14, SHEET 9.

24

24

SECTION EPARKWAY SUB-STORAGE OPTION -NOT TO SCALE

7E

7E

SECTION FPARKWAY STORAGE STANDPIPE -NOT TO SCALE

7F

7F

11

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OFFICIAL RECORD

PRESSURIZED FLOW

DETAIL FFERTIGATION UNIT - NOT TO SCALE

1

2

FINISH GRADE SURFACE

CONCRETE VAULT BOX WITH COVER.

3 PROPORTIONING CAP WITH FEED ADJUSTMENT KNOB.

4 FERTIGATION SHUT OFF VALVES WITH DISCONNECT WASHERS.

LEGEND F

5

1 6 4 3 4 7 5 14 2

9 10 8 11 8 12 13

1.5 GALLON FERTIGATION UNIT SERVING 10,000 SQUARE FEET OFLANDSCAPE OR LESS, 13" L x 8" D x 11" H, OR APPROVED EQUAL.

6 FERTILIZED WATER OUTPUT; CONNECT CLEAR TUBE TO GREENCONNECTIONS ON PROPORTIONING CAP AND COUPLING.

7 WATER INPUT; CONNECT BLACK TUBE TO BLUE CONNECTIONS ONPROPORTIONING CAP AND COUPLING.

8

9

14" TUBING CLAMP; LOCATED ON BOTH BLUE AND GREEN TUBINGCONNECTIONS.APPROVED BACKFILL WASHED SAND AGGREGATE

10 PVC MAIN LINE TO SUPPLEMENTAL WATER FLOAT VALVE.

11 FERTIGATION UNIT CONNECTOR; INSTALL ACCORDING TO WATERFLOW DIRECTION.

12 APPROVED WASHED GRAVEL AGGREGATE BASE ROCK.

13 PVC MAIN LINE FROM SUPPLEMENTAL WATER BACK FLOW PREVENTER.SEE NOTE 12, SHEET 9.

14 PRESSURE RELIEF VALVE.

15 GATE VALVE SET TO OPERATIONAL PRESSURE OF MINIMUM 20 PSI.

15


1. CLEAN SURFACES AND REMOVE ALL EXISTING OIL, DEBRIS,ETC. LINER AND PIPE SURFACE MUST BE FREE OF ALLRUST, GREASE, INSULATION, ETC.

2. PIPE MUST BE ANCHORED TO ENSURE STABILITY FOR SEAL.3. PRE-MOLDED PIPE FLASHING CUT TO MATCH PIPE Ø.4. PIPE FLASHING FITS 1"(25 mm) -6" (152 mm).5. DO NOT USE WHEN SERVICE LINE TEMP. EXCEEDS 180°F.6. FOLLOW MANUFACTURER'S INSTRUCTIONS FOR LVOC

ADHESIVE APPLICATION TO EPDM LINER.

3"

CURBCURB PIPE

DETAIL E

1

2

3

1

2

STAINLESS STEEL PIPE CLAMP.

PRE-MOLDED PIPE FLASHING FOR EPDM

3 LVOC ADHESIVE APPROVED UNDERSCAQMD RULE 1168, TYP.

4 45 MIL IMPERMEABLE EPDM LINER, TYP.4

LEGEND E

EPDM PENETRATION AND SPLICING - NOT TO SCALE

DETAIL E NOTES

55

COLLAPSE AIR POCKET WITHIN PRE-MOLDEDPIPE FLASHING AND SECURE STAINLESSSTEEL CLAMPING RING IN CLOSE PROXIMITYTO POINT OF EPDM LINER PENETRATION.

6 6" BLACK RUBBER POLYMER SEAM TAPE FOR EPDM

6" SEAM TAPE

6" OVERLAP

3 46

EPDM LINER PENETRATION

EPDM LINER SPLICING

77 FLEXIBLE SEALED JOINT THROUGH CURB, TYP.

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OFFICIAL RECORD

NOTES:

1. ALL WORK SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE LATEST STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION ADOPTED BY THE BOARD OF PUBLIC WORKS AS MODIFIED BY THE CORRESPONDING ISSUE OF THE CITY OF LOS ANGELES DEPARTMENT OF PUBLIC WORKS BROWN BOOK AND PER LOS ANGELES GREEN STREET STD S-480. ONE REVOCABLE PERMIT REQUIRED PER RECIRCULATION SYSTEM WITH SIGN OFF BY ALL IMPACTED PROPERTY OWNERS.

2. CONVEYANCE CHAMBER: SHALL MEET ASTM F2418 AND TO PREVENT CLOGGING SHALL HAVE MINIMUM 10 SQUARE INCHES OFFSET INTERFACE SIDE HOLES PER LINEAR FOOT OF CONVEYANCE OR APPROVED EQUAL. CONNECTOR PIPES SHALL BE A MINIMUM 2" Ø SCH 40 PVC, ABS, HDPE OR APPROVED EQUAL.

3. 45 MIL IMPERMEABLE EPDM LINER: SHALL BE A WATERPROOF BARRIER BETWEEN LANDSCAPE PROFILE AND SUBGRADE, FOLDED WITH VERTICAL WALLS TO FINISH GRADE AT PERIMETER, OR INTERIM 8"-10" VERTICAL WALLS TO ACT AS CAPILLARY IRRIGATION FOR ADJACENT TREES. 8"-10" VERTICAL WALLS ALSO ACT ASSUBSURFACE CHECK-DAM TO DETAIN (OR SLOW) SYSTEM GRAVITY FLOW. STAPLE LINER TO TOP OF SACRIFICIAL BOARDS AND INSTALL SAND AGGREGATE TO SECURE IMPERMEABLE EPDM CHECK DAM IN UPRIGHT POSITION. CHECK DAM REQUIRED WHEN SIDEWALK SLOPE EXCEEDS VERTICAL DIFFERENCE OF 1"-2".

4. FLOW RATE: PASSIVE IRRIGATION WIDTH AND LENGTH PER PROJECT DESIGN PLANS. OPTIMAL FLOW 1-2 GPM PER CONVEYANCE CHAMBER ROW / CONNECTION, MAXIMUM DRAINAGE FLOW PER 2" Ø PIPE IS 0.053 CFS (20 GPM).

5. PIPING: PIPE PENETRATION DEPTH INTO DISTRIBUTION PIPE, CONVEYANCE CHAMBER OR CONCRETE VAULT MINIMUM 2". NON-PRESSURIZED CONNECTOR PIPES SHALL BE SCH 40 PVC, ABS, HDPE OR APPROVED EQUAL. 6" DISTRIBUTION PIPE AND FITTINGS SHALL BE SDR-35 OR APPROVED EQUAL. ALL PRESSURIZED PIPES ANDCONNECTIONS SHALL BE SCH 80 PER SSPWC. SOLVENT WELD ALL PRESSURIZED PIPING OR SYSTEM BYPASS CONNECTIONS. SEE PROJECT PLANS FOR LAYOUT.

6. WATER CONSERVATION: SEAL ALL PIPE CONNECTIONS THROUGH IMPERMEABLE EPDM LINER; 2"Ø CONNECTOR PIPES TO 6"Ø DISTRIBUTION PIPES; AND VAULT CONNECTIONS WITH RUBBER PRESSURE GASKETS FOR WATER CONSERVATION. SOLVENT WELD ALL CAPS, TEES, AND ELBOW CONNECTIONS. CONNECTION SHALLHAVE A SAND TIGHT SEAL. INSPECTOR SIGN OFF REQUIRED ON ALL CONNECTIONS.

7. EXISTING UTILITIES: SHALL BE ISOLATED FROM PASSIVE IRRIGATION BY IMPERMEABLE EPDM WATER BARRIER.

8. LEVEL SUB-GRADES: PASSIVE IRRIGATION SYSTEM AND STORAGE (IF INSTALLED) SHALL BE INSTALLED ON LEVEL SUB-GRADE, +/- 12" TOLERANCE, COMPACTED TO90% PROCTOR DENSITY. A SLOPED INSTALLATION SHALL INTEGRATE LEVEL BENCHING OF SUB-GRADE TO ACCOMMODATE GRADIENT ELEVATION DIFFERENCE TOMATCH SLOPE OF SIDEWALK. A MAXIMUM BENCH DROP OF 2" VERTICAL BETWEEN BENCH GRADIENTS FOR TURF LANDSCAPE. A MAXIMUM BENCH DROP OF 6" VERTICAL BETWEEN BENCH GRADIENTS FOR NON-TURF LANDSCAPE. MAXIMUM STREET SLOPE 5% PER S-480. INSPECTOR SIGN OFF REQUIRED ON ALL SUB-GRADES.

9. SAND: WASHED SAND AGGREGATE, ASTM F2396-04, AVERAGE PARTICLE SIZE 1MM. TEST RESULTS PROVIDED PRIOR TO INSTALLATION, INCLUDING BUT NOT LIMITED TO PERCOLATION RATE OF 1" < 5 MINUTES TO BE MAINTAINED AND CAPILLARY RISE OF 12" < 24 HOURS. INSPECTION SIGN OFF REQUIRED.

10. GRAVEL: WASHED GRAVEL AGGREGATE, ASTM C33 #89, 14" - 18" PARTICLE SIZE, #10 SIEVE. TEST RESULTS PROVIDED PRIOR TO INSTALLATION, INCLUDING BUT NOTLIMITED TO PERCOLATION RATE OF 1" < 5 SECONDS TO BE MAINTAINED AND PROPER BRIDGING CHARACTERISTICS W/ APPROVED SAND. INSTALL CONVEYANCE CHAMBERS BEFORE BACKFILLING TO PREVENT GRAVEL UNDERNEATH. INSPECTOR SIGN OFF REQUIRED.

11. SUPPLEMENTAL WATER PERIODS: ALL SUPPLEMENTAL WATER CONNECTIONS TO VAULT SHALL BE MAINTAINED INACTIVE DURING WET MONTHS AND ACTIVE DURING DRY MONTHS. EVAPOTRANSPIRATION (ET) LOSS CALCULATIONS VARY UPON CLIMATE ZONE, ANNUAL AVERAGES OF 0.10 - 0.15 GALLONS / SQ. FOOT / DAY.

12. ALTERNATIVE WATER SOURCES: REFERENCE LOS ANGELES DEPARTMENT OF COUNTY HEALTH GUIDELINES FOR ALTERNATIVE WATER SOURCES FOR OUTDOOR AND NON-POTABLE USES INCLUDING BUT NOT LIMITED TO: RAINWATER, GRAYWATER, STORMWATER AND RECYCLED WATER IN OUTDOOR, NON-PRESSURIZED, SUB-SURFACE IRRIGATION APPLICATION. TREATMENT PROCESS, LOCAL AGENCY PERMITS/APPROVALS, MONITORING & REPORTING MAY APPLY PER PROJECT PLANS. PROJECT ENGINEER OR LANDSCAPE ARCHITECT OF RECORD SHALL SPECIFY A REDUCED PRESSURE BACK-FLOW PREVENTION ASSEMBLY DEVICE.

13. PUMP: RECIRCULATION PUMP SHALL BE A LOW VOLTAGE, SUBMERSIBLE MAGNETIC DRIVE PUMP RATED NOT TO EXCEED DEMAND RATE OF 12 GPM (720GPH / 0.03 CFS) PER ACRE OF LANDSCAPE (1-2 GPM PER 3630 SQ FT. ) . PUMP POWER CONNECTIONS VIA SOLAR ELECTRICITY WITH LOW VOLTAGE 7-DAY ELECTRICAL TIMER OPERATING DUTY CYCLE OF 24 HOURS, 1-2 TIMES PER WEEK DURING DRY SEASON MONTHS.

14. FLOAT VALVE: NORMALLY CLOSED VALVE SHALL OPERATE UPON NSF WATER TO COVER PUMP TO A MINIMUM DEPTH OF 2" AND HAVE BACKFLOW PREVENTION AIRGAP MEETING LOS ANGELES COUNTY DEPARTMENT OF PUBLIC HEALTH REQUIREMENTS. SUPPLEMENTAL WATER CONNECTION TO FLOAT VALVE SHALL BE METERED AND INSTALLED ACCORDING TO PROJECT PLANS WITH MINIMUM DELIVERY PRESSURE OF 20 PSI AND MINIMUM DELIVERY VOLUME OF 12 GPM (720 GPH /0.03 CFS) PER ACRE OF PASSIVE IRRIGATION LANDSCAPE AREA.

15. SUPPORT BLOCKS: MASONRY BRICKS; CONSTRUCTION DOBIES; OR EQUAL RECOMMENDED UNDERNEATH CONNECTOR PIPES OF LENGTH GREATER THAN 24", ANDTO SUPPORT STABLE PIPE ELEVATIONS TO MAINTAIN GRAVITY DRAIN FUNCTION DOWNSTREAM.

16. STORAGE: MAY CONSIST OF CONCRETE, METAL, PLASTIC, FIBERGLASS AND/OR GRAVEL VOID SPACE OR APPROVED EQUAL. INSTALL STORAGE WITHIN AN IMPERMEABLE EPDM LINED WATER BARRIER, OR APPROVED EQUAL, TO FINISH GRADE OF STORAGE FOR WATER CONSERVATION. FILL AGGREGATE COVER OVER STORAGE WITH WASHED GRAVEL AGGREGATE TO DEPTH MEETING MIN. H-20 LOAD BEARING REQUIREMENTS SHALL BE PER MANUFACTURER SPECIFICATIONS.PENETRATIONS THROUGH STORAGE SHALL HAVE A WATER TIGHT SEAL AND VECTOR SCREEN. PROJECT ENGINEER AND INSPECTOR SIGN OFF REQUIRED.

17. BACKFILL LIFTS: INSTALLED IN FOUR (4) PHASES ONCE ALL CONNECTIONS AND WATERPROOFING ARE COMPLETE:(1) BRACE ALL CHAMBERS AND CONNECTIONS WITH TEMPORARY SAND BAGS TO PREVENT SHIFTING DURING BACKFILL.(2) INSTALL APPROVED WASHED GRAVEL AGGREGATE MAXIMUM 2" DEEP ALONG BOTTOM OF EPDM LINER WATER BARRIER AND ALONG SIDES OF CHAMBERS, DO NOT ALLOW GRAVEL UNDERNEATH CHAMBERS AND REMOVE EXCESS GRAVEL FROM CROWN OF CHAMBERS IF PRESENT.(3) INSTALL APPROVED WASHED SAND AGGREGATE BACKFILL HALF DEPTH TO FINISH GRADE; OVER CHAMBERS AND BETWEEN CONNECTIONS. KEEP EPDM WATER BARRIER AND CHECK DAM SIDES UPRIGHT. COMPACT SAND BY FOOT, WATER AND VIBRATORY PLATE COMPACTOR.(4) INSTALL SAND BACKFILL TO FINISH GRADE, BACK DRAG SMOOTH AND COMPACT SAND WITH WATER AND VIBRATORY PLATE COMPACTOR.(5) ADD NUTRIENTS FOR LANDSCAPE IN ACCORDANCE WITH HOAGLAND SOLUTION (Hoagland and Arnon, 1950) AND/OR PROJECT LANDSCAPE ARCHITECT.

18. FINISH GRADE: OF WASHED SAND AGGREGATE IS 2" BELOW SIDEWALK TO ALLOW MULCH INSTALLED WITHIN 1/4" OF SIDEWALK. LANDSCAPE FINISH GRADE SURFACES ARE LEVEL AND FLUSH, FOLLOWING SLOPE OF SIDEWALK. 1'-6" WIDE CONVENIENCE STRIP PER BUREAU OF STREET SERVICES RESIDENTIAL PARKWAYLANDSCAPING GUIDELINES. ACCEPTABLE MATERIALS VARY PER PROJECT PLANS AND PER S-480, INCLUDING: POROUS SURFACES, INTERLOCKING CONCRETE PAVERS (ICP) W/ EDGE RESTRAINT, CONCRETE SURFACE, MULCH AND VEGETATION. LOCATION OF PARKWAY MATERIALS PER PROJECT PLANS AND IN ACCORDANCETO LANDSCAPING LISTED IN S-480 AND/OR S-484, SHEET 9 OF 11.

19. FERTIGATION: PRESSURE DRIVEN FERTIGATION UNIT TO BALANCE NUTRIENTS AND MINERALS FOR OPTIMAL VEGETATIVE GROWTH. INSTALL INLINE OF SUPPLEMENTAL WATER SUPPLY ACCORDING TO MANUFACTURER'S RECOMMENDATIONS, SEE DETAIL F, SHEET 8.

20. BYPASS FOR UTILITIES OR OTHER CONFLICTS: SOLVENT WELD AND SLEEVE (2x Ø INTERNAL PIPE) ALL SYSTEM BYPASS CONNECTIONS OUTSIDE EPDM WATER BARRIER TO MAINTAIN IMPERVIOUSNESS. INSTALL CONNECTION PIPE UNDERNEATH TO AVOID OBSTRUCTIONS OR ANY INTERFERENCE WITH HOUSE WALKS, DRIVEWAYS, ALLEYS, OR STREETS. SLEEVE EXTENDS 3 FEET BEYOND EDGE OF PAVING. DOWNSTREAM BYPASS INVERT ELEVATIONS SHALL CONNECT AT EQUALOR LESS ELEVATION OF THE UPSTREAM INVERT.

21. VAULT INSTALLATION: CONCRETE VAULT WITH MINIMUM INSIDE DIAMETER 12". INSTALL RECYCLED PLASTIC SUPPORT BOARDS UNDERNEATH IMPERMEABLE EPDMLINER AT VAULT LOCATION(S). PROTECT EPDM LINER UNDER CONCRETE VAULT WITH MINIMUM 18" X 18" PIECE OF ADDITIONAL EPDM, OR APPROVED EQUAL,PLACED DIRECTLY BENEATH VAULT INSTALLATIONS. SEAL ALL PIPE PENETRATIONS WITH WATER TIGHT RUBBER GASKET FOR WATER CONSERVATION.

SHEET 9 OF 9 SHEETSSTANDARD PLAN NO. VAULT INDEX NUMBERS-496-1 B-4791


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