Addendum No: 2...ASTM International (ASTM): 15 a. D4258, Standard Practice for Surface Cleaning...

Purchasing Services Post Office Box 2570

Waco, Texas 76702-2570 Phone: 254-750-8405

Fax: 254-750-8063 [email protected]

CITY OF WACO www.waco-texas.com

Date: 09/26/2019

RFB No: 2019-038 Commodity: WMARRS Central Treatment Plant 2017-2018 CIP Purchasing Agent: Mr. Kasey Gamblin Closing Time: 2:00 P.M. CST, Friday, October 4, 2019 Opening Time: 2:01 P.M. CST, Friday, October 4, 2019

RFB Opening Location: Operations Center, Purchasing Services Office, 1415 N. 4th St., Waco, TX 76707 ______________________________________________________

Addendum No: 2

The above-mentioned RFB invitation has been changed in the following manner. Sign and return addendum to the Purchasing Office by the closing time and date with your RFB response. Returning this page signed by your authorized agent will serve to acknowledge this change. All other requirements of the invitation remain unchanged. If you have any questions, please call or stop by the Purchasing Office at the above address.

Firm:____________________________________________________________________________________ Address___________________________________________________________________________________ Signature of Person Authorized to Sign Bid:______________________________________________________________________ Signor's Name and Title (print or type):_____________________________________________________________________________ E-mail Address:____________________________________________________________________________ Date:____________________Telephone:___________________________Fax:_________________________

RFB 2019-038 WMARRS Central Treatment Plant 2017-2018 CIP Project

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City of Waco 2017-2018 WMARSS Central Plant

Improvements Project

1

Special Project Provisions (REVISED AD 01)

1. GENERAL

1.1. Vegetation – All areas (vegetated, gravel, paved, etc.) disturbed by the work of this contract must be restored to pre-project or better condition.

Payment for this work will be considered to be subsidiary to completion of

the associated work item unless otherwise provided. All existing vegetated

areas must be restored to existing condition or better with topsoil and

either seed or sod as appropriate. Contractor is responsible for watering

and all required care until project acceptance. This work will be

considered subsidiary to the project, unless otherwise specified.

1.2. Mobilization – If the total contract is: 1.2.1. $500,000 or greater, the mobilization shall not exceed 10%, 1.2.2. Between $100,000 and $500,000, the lump sum for mobilization

shall not exceed 15%,

1.2.3. Less than $100,000, the lump sum for mobilization shall not exceed 20%.

1.2.4. This specification supersedes Section 6.4 of the Standard Specifications for Construction, and any related paragraphs.

1.3. Right of Way – Facility and Utility Protection The Contractor shall be responsible for adequately protecting all facilities (plant, piping,

equipment, trees, bushes, sidewalks, handicapped ramps, etc.) not

designated for removal. Any facilities that accidentally sustain damage

shall be restored to existing or better condition, and the cost of the

restoration shall be subsidiary to the work.

1.4. The attention of the Bidder is drawn to requirements in State law regarding location of underground utilities prior to excavation and the

reporting of damage to any gas line.

1.5. The Contractor is responsible to coordinate with the appropriate utilities owning any poles or signs that may be impacted during the work of this

contract. Bracing and protective measures per the requirements of the

signs’ owners shall be provided by the Contractor, and shall be considered

subsidiary to the work.

1.6. The Contractor may use City of Waco Property in the area for staging. 1.7. Projectmates

1.7.1. The City has setup an Internet-based project management system called Projectmates for managing design and construction

projects. The Contractor will be required to utilize Projectmates

as follows:

1.7.2. Contract management related processes including RFIs, submittals, field reports, meeting minutes, change orders, pay


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City of Waco 2017-2018 WMARSS Central Plant

Improvements Project

2

application, punch lists, and close-out documents shall be

submitted, tracked, and responded to, by the Contractor, City,

and Engineer through Projectmates over the Internet. Paper

copies shall not be accepted unless specifically requested.

1.7.3. The City of Waco Projectmates software portal is:

https://cityofwaco.projectmates.com

1.7.4. One (1) Projectmates user license will be provided to the Contractor by the City without charge. The City will recover the

license upon project completion. The Contractor may purchase

additional Projectmates user licenses through the City for a cost

of $1,000.00 each.

1.7.5. The Contractor shall be familiar with Projectmates prior to the pre-construction meeting. Training can be arranged by

contacting software vendor Systemates Inc. Training expenses

shall be borne by the Contractor. Contact Systemates, Inc.,

Richardson, Texas 214-217-4100 or email [email protected].

1.8. 2. SCHEDULE

2.1. The project schedule required under Paragraph 2.05 of the General Conditions shall include the following minimum project stages:

2.1.1. Develop, submit, review, obtain approval and implement the SWP3/erosion control plan;

2.1.2. Develop, submit, review, obtain approval for safety and material submittals;

2.1.3. Develop, submit, review, obtain approval and implement traffic control plan:

2.1.4. Develop, submit, review, obtain approval and implement the Dewatering plan:

2.1.5. Develop, submit, review, obtain approval and implement the By-Pass Pumping plan:

2.1.6. Complete and commission the Work; and 2.1.7. Complete the project closure activities and paperwork.

2.2. The schedule shall be in a Gantt, CPM, or PERT format suitable to depict the required project schedule.

2.3. The CONTRACTOR shall also provide updated schedules as warranted by the progress of the work at all regularly scheduled monthly meetings.


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https://cityofwaco.projectmates.com/mailto:[email protected]

10065920 City of Waco February 2019

2017-2018 Capital Improvements Project -

MAJOR EQUIPMENT SUPPLIERS (REVISED AD 01)

01 61 05 - 1

SECTION 01 61 05 1

MAJOR EQUIPMENT SUPPLIERS (REVISED AD 01) 2

PART 1 - GENERAL 3

1.1 SUMMARY 4

A. Section Includes: 5 1. A listing of the equipment for the Project, which is considered to be major equipment. 6 2. A listing of the approved suppliers of said major equipment. 7 3. Certain instructions concerning the bidding of major equipment. 8

B. Related Specification Sections include but are not necessarily limited to: 9 1. Division 00 - Procurement and Contracting Requirements. 10 2. Division 01 - General Requirements. 11 3. The sections listed under "MANUFACTURERS OF MAJOR EQUIPMENT". 12

1.2 DEFINITIONS 13

A. Manufacturers or suppliers, as used in the context of "approved manufacturers or suppliers of 14 major equipment", shall mean the manufacturers or suppliers listed in the MANUFACTURERS 15

OF MAJOR EQUIPMENT Article of this Specification Section. 16

1.3 INSTRUCTIONS FOR BIDDING MAJOR EQUIPMENT 17

A. Furnish, for base bid, equipment by any of the suppliers listed in the MANUFACTURERS OF 18 MAJOR EQUIPMENT Article of this Specification Section, or as added to the 19

MANUFACTURERS OF MAJOR EQUIPMENT Article of this Specification Section by 20

addendum. 21

B. Name only one (1) of said suppliers in the schedule of major equipment suppliers found in the 22 Bid form. 23

C. Proposal shall be considered irregular and subject to rejection if the Bidder: 24 1. Fails to list an approved supplier for each item. 25 2. Lists more than one approved supplier for each item. 26

D. If the Bidder fails to list an approved supplier, the Owner has the sole right to select one (1) of 27 the suppliers from the list of manufacturers in the MANUFACTURERS OF MAJOR 28

EQUIPMENT Article of this Specification Section. 29

E. If the Bidder lists more than one (1) approved supplier, the Owner has the sole right to select one 30 (1) of the suppliers so listed. 31

F. Requests for prequalification of equipment to be listed in the MANUFACTURERS OF MAJOR 32 EQUIPMENT Article of this Specification Section must comply specifically with applicable 33

provisions of the Contract Documents. 34

1. Refer to INSTRUCTIONS TO BIDDERS. 35

1.4 MANUFACTURERS OF MAJOR EQUIPMENT 36

A. Major Equipment and Acceptable Manufacturers: 37 38


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MAJOR EQUIPMENT SUPPLIERS (REVISED AD 01)

01 61 05 - 2

1

2

Equipment Enter Manufacturer Information

Thickener Equipment

(Section 46 71 33)

Chemical Feed Equipment

(Section 46 31 12)

PART 2 - PRODUCTS - (NOT APPLICABLE TO THIS SPECIFICATION SECTION) 3

PART 3 - EXECUTION - (NOT APPLICABLE TO THIS SPECIFICATION SECTION) 4

5

END OF SECTION 6

7


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CORROSION RESISTANT ELASTOMERIC LINING (REVISED AD 01)

09 96 53 - 1

SECTION 09 96 53 1

CORROSION RESISTANT ELASTOMERIC LINING (REVISED AD 01) 2

PART 1 - GENERAL 3

1.1 SUMMARY 4

A. Section Includes: 5 1. Removal of existing basin liner. 6 2. Cleaning and surface preparation of substrate. 7 3. Sprayed Polyurethane corrosion-resistant lining. 8

B. Related Sections include but are not necessarily limited to: 9 1. Division 00 - Procurement and Contracting Requirements. 10 2. Division 01 - General Requirements. 11

1.2 QUALITY ASSURANCE 12

A. Referenced Standards: 13 1. ASTM International (ASTM): 14

a. D4258, Standard Practice for Surface Cleaning Concrete for Coating. 15 b. D4262, Standard Test Method for pH of Chemically Cleaned or Etched Concrete 16

Surfaces. 17

c. D4263, Standard Test Method for Indicating Moisture in Concrete by the Plastic Sheet 18 Method. 19

d. D4414, Practice for Measurement of Wet Film Thickness by Notch Gages 20 e. D4541, Standard Test Method for Pull-Off Strength of Coatings Using Portable 21

Adhesion Testers. 22

f. D4787, Standard Practice for Continuity Verification of Liquid or Sheet Linings 23 Applied to Concrete Substrates. 24

g. D6386, Standard Practice for Preparation of Zinc (Hot-Dip Galvanized) Coated Iron 25 and Steel Product and Hardware Surfaces for Painting. 26

h. D6132, Standard Test Method for Nondestructive Measurement of Dry Film Thickness 27 of Applied Organic Coatings Using an Ultrasonic Gage. 28

i. D7091, Standard Practice for Nondestructive Measurement of Dry Film Thickness of 29 Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nonconductive 30

Coatings Applied to Non-Ferrous Metals. 31

j. D7234, Standard Test Method for Pull-Off Adhesion Strength of Coatings on Concrete 32 Using Portable Pull-Off Adhesion Testers. 33

k. E337, Standard Test Method for Measuring Humidity with a Psychrometer (the 34 Measurement of Wet- and Dry-Bulb Temperatures). 35

l. F1869, Standard Test Method for Measuring Moisture Vapor Emission Rate of 36 Concrete Subfloor Using Anhydrous Calcium Chloride. 37

m. F2170, Standard Test Method for Determining Relative Humidity in Concrete Floor 38 Slabs Using in situ Probes. 39

n. F2659, Standard Guide for Preliminary Evaluation of Comparative Moisture Condition 40 of Concrete, Gypsum Cement and Other Floor Slabs and Screeds Using a Non-41

Destructive Electronic Moisture Meter. 42

2. International Concrete Restoration Institute (ICRI) 43 a. 310.2, Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings, 44

Polymer Overlays, and Concrete Repair. 45

3. NACE International (NACE): 46 a. SP0188, Standard Practice-Discontinuity (Holiday) Testing of New Protective Coatings 47

on Conductive Substrates, 48


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09 96 53 - 2

4. NSF International (NSF). 1 a. 61, Drinking Water System Components - Health Effects 2

5. The Society for Protective Coatings (SSPC): 3 a. PA 2, Measurement of Dry Coating Thickness with Magnetic Gages. 4 b. PA 9, Measurement of Dry Coating Thickness on Cementitious Substrates using 5

Ultrasonic Gages. 6

c. SP 1, Solvent Cleaning. 7 d. SP 16, Brush-off Blast Cleaning of Coated and Uncoated Galvanized Steel, Stainless 8

Steels, and Non-Ferrous Metals. 9

6. The Society for Protective Coatings/NACE International (SSPC/NACE): 10 a. SP 5/NACE No. 1, White Metal Blast Cleaning. 11 b. SP 13/NACE No. 6, Surface Preparation of Concrete. 12 c. SP WJ 1/NACE WJ-1, Waterjet Cleaning of Metals – clean to Bare Substrate. 13 d. TR 3/NACE 6A192, Dehumidification and Temperature Control. 14

B. Qualifications: 15 1. Applicator to be licensed or approved, in writing, by manufacturer. 16 2. Applicator must own application equipment; equipment shall be approved, in writing, by 17

manufacturer. 18

3. Applicator to have successfully completed minimum of three (3) projects in last five (5) 19 years with similar scope. 20

4. Provide references for minimum of three (3) projects in last five (5) years including: 21 a. Project type. 22 b. Material installed. 23 c. Size of project, including square footage and dollar value. 24 d. Contact information for project Contractor (if applicable). 25 e. Contact information for end user. 26

C. Mock-Ups: 27 1. Construct mock-up area minimum 2 FT by 2 FT utilizing all specified or required 28

components for Engineer review and acceptance. 29

2. Step construction of mockup to demonstrate all components used in application, including 30 but not limited to: 31

a. Surface Preparation. 32 b. Primer 33 c. Intermediate coat(s). 34 d. Finish coat(s). 35 e. Slip-resistant walkway surface. 36

3. Mock-up shall include all corners, coves, terminations and other special detailing as 37 required by Project conditions. 38

a. Mock-up surface shall have same finish as finish to be expected in the actual Work. 39 4. Area shall constitute minimum standard of quality for actual construction. 40

a. Maintain area during construction. 41 5. If not acceptable, construct additional areas as required. 42 6. Remove when directed by Engineer. 43 7. Area shall not be built into permanent construction. 44

1.3 DEFINITIONS 45

A. Defective: 46 1. Lining will be considered defective if, in the opinion of the Engineer, any of the following 47

conditions exist in the final product: 48

a. Dry film thicknesses have not been met. 49 b. Debris is embedded in material. 50 c. Surface exhibits any defect, including but not limited to: 51

1) Pinholes. 52 2) Voids. 53


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09 96 53 - 3

3) Honeycombing. 1 4) Loss of adhesion. 2 5) Discoloration. 3

B. Immersion Service: 4 1. Any surface immersed in water or some other liquid. 5 2. Surface of any pipe, valve, or any other component of the piping system, including pipe 6

supports, subject to condensation. 7

C. Installer or Applicator: 8 1. Installer or applicator is the person actually installing or applying the product in the field at 9

the Project site. 10

2. Installer and applicator are synonymous. 11

D. PPM: Parts per million. 12

1.4 SYSTEM DESCRIPTION 13

A. Multi-component corrosion-resistant liner system, including but not limited to: 14 1. Modified epoxy mortar parge coat. 15 2. Epoxy primer. 16 3. High-build polyurethane liner. 17

B. Lining must be capable of withstanding continuous immersion in wastewater with a pH range of 18 4 to 10 and exposure to common wastewater byproducts, including but not limited to: 19

1. Methane gas. 20 2. Hydrogen sulfide gas. 21 3. Sulfuric acid. 22

1.5 SUBMITTALS 23

A. Shop Drawings: 24 1. See Specification Section 01 33 00 for requirements for the mechanics and administration of 25

the submittal process. 26

2. Applicator's qualifications and references. 27 3. Product technical data including: 28

a. Acknowledgement that products submitted meet requirements of standards referenced. 29 1) Complete physical and chemical characteristics. 30 2) Chemical-resistance information. 31

b. Manufacturer's installation instructions. 32 c. Manufacturer's recommendations for adhesives, primer, and miscellaneous materials 33

used. 34

d. Manufacturer's recommendation for providing temporary or supplemental heat or 35 dehumidification or other environmental control measures. 36

e. Manufacturer's application and curing instructions. 37

B. Informational Submittals: 38 1. Manufacturer's statement regarding applicator instruction on product use. 39 2. Manufacturer’s written certification of substrate preparation and application conditions per 40

the Field Quality Control Article of this Specification Section. 41

3. Manufacturer’s authorized representative’s written record of visual inspection, including 42 documentation of deficiencies and repairs. 43

4. Applicator's daily records: 44 a. Submit daily records at end of each week in which Work is performed. 45 b. Provide certified copy of daily record to Owner as part of project close out documents. 46

1.6 DELIVERY, STORAGE, AND HANDLING 47

A. Deliver in original containers, labeled as follows: 48 1. Name or type number of material. 49


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09 96 53 - 4

2. Manufacturer's name and item stock number. 1 3. Contents, by volume, of major constituents. 2 4. Warning labels. 3 5. VOC content. 4

B. Store material in accordance with manufacturer’s recommendations. 5

PART 2 - PRODUCTS 6

2.1 MANUFACTURERS 7

A. Subject to compliance with the Contract Documents, the following manufacturers are 8 acceptable: 9

1. Sprayed Polyurethane Corrosion-Resistant Lining: 10 a. CIM Industries. 11 b. Polycoat Products. 12 c. Raven Lining Systems. 13 d. Sherwin Williams. 14 e. Tnemec. 15

B. Submit request for substitution in accordance with Specification Section 01 25 13. 16

2.2 MATERIALS 17

A. General: 18 1. Liner system, in its entirety, shall be certified to NSF 61. 19

B. Filler-Surfacer: 20 1. 100 PCT solids epoxy. 21

a. Aggregate reinforced. 22 2. As recommended by lining manufacturer. 23

C. Primer: 24 1. Polyamide Epoxy. 25 2. Solids by volume: Minimum 60 PCT. 26 3. Similar to Tnemec Series 20 H.S. 27

D. Sprayed Polyurethane Corrosion-Resistant Lining: 28 1. Plural component, high build elastomeric polyurethane. 29 2. Solids by volume: Minimum 100 PCT mixed. 30 3. Similar to Tnemec Series 406 Elasto-Shield. 31

E. Primer: 32 1. High Solids Epoxy Primer. 33 2. Similar to Tnemec Series N140 Pota-Pox Plus. 34 3. Color: Manufacturer's standard. 35

F. Slip-Resistant Aggregate: 36 1. Aluminum oxide. 37 2. Profile: Angular. 38 3. Size: As required to provide degree of slip-resistance determined in mockup. 39

2.3 ACCESSORIES 40

A. Provide all primers, crack filler, sealants, thinners, etc., as required and as recommended by the 41 lining manufacturer. 42

2.4 PERFORMANCE AND DESIGN REQUIREMENTS 43

A. System Performance Characteristics: 44


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09 96 53 - 5

1. Abrasion resistance: ASTM D4060, less than 120 MG lost (CS17 wheel, 1000 G, 1000 1 cycles). 2

2. Concrete adhesion: ASTM D4541, 300 PSI. 3 3. Tensile strength: ASTM 638, 1500 PSI. 4 4. Elongation: ASTM D638, 40 PCT. 5 5. Durometer hardness: ASTM D2240, Shore D, 35. 6

PART 3 - EXECUTION 7

3.1 PREPARATION 8

A. Remove existing tank lining using high-pressure water jetting: 9 1. Concrete substrate: SSPC SP 13/NACE No. 6. 10 2. Steel substrate: SSPC SP WJ 1/NACE WJ-1. 11 3. Completely remove existing coating to provide clean, profiled surface suitable for system 12

application as recommended by lining manufacturer. 13

B. Concrete surfaces: 14 1. Cure new concrete and concrete repairs in accordance with lining manufacturer's 15

recommendations. 16

2. Abrasive blast concrete surfaces in accordance with SSPC SP 13/NACE No. 6. 17 a. Provide concrete surface profile (CSP) in accordance with ICRI 310.2 as recommended 18

by lining manufacturer. 19

3. Clean concrete substrate in accordance with ASTM D4258. 20

C. Steel surfaces: 21 1. Solvent clean in accordance with SSPC SP 1. 22 2. Grind all welds smooth. 23 3. White metal blast clean in accordance with SSPC/NACE SP 5/NACE No. 1. 24

D. Galvanized steel surfaces: 25 1. Brush blast in accordance with SSPC SP 16 and ASTM D6386. 26

E. Verify suitability of substrate to accept installation. 27 1. Ensure that surfaces have been prepared in accordance with lining manufacturer's 28

instructions and this Specification Section. 29

a. Where discrepancy between lining manufacturer's instructions and this Specification 30 Section exists, the more stringent preparation shall be provided. 31

2. Fill and seal concrete surfaces as recommended by manufacturer. 32 a. Fill all bugholes, voids, surface defects and cracks to provide uniform substrate free of 33

pinholes. 34

3. Steel appurtenances: 35 a. Shop coated steel painted in accordance with Specification Section 09 96 00: 36

1) Prepare as recommended by lining manufacturer. 37 2) Observe recoat windows. 38

b. Uncoated steel: 39 1) Solvent clean in accordance with SSPC SP 1. 40 2) Grind all welds smooth. 41 3) White metal blast cleaning, SSPC/NACE SP 5/NACE No. 1. 42

4. Remove spent blasting material and dust. 43 5. Remove all dust, grease, oil, compounds, dirt and other foreign matter which would prevent 44

bonding of lining to surface. 45

6. Adhere to manufacturer's recoat time surface preparation requirements. 46 7. Test pH of concrete substrates in accordance with ASTM D4262. 47

a. If surface pH is not within lining manufacturer's required acceptable range, use methods 48 acceptable to lining manufacturer as required to bring pH within acceptable range. 49

b. Retest pH until acceptable results are obtained. 50


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8. Verify that moisture content of concrete substrate is within lining manufacturer's 1 recommended acceptable limits. 2

a. Test surface to be coated for presence of moisture in concrete in accordance with 3 ASTM D4263. 4

1) Where presence of moisture is indicated, test moisture content of surface to be 5 coated in accordance with ASTM F1869 or F2170. 6

2) Provide remedial measures as necessary to bring moisture content within lining 7 manufacturer’s recommended acceptable limits. 8

3) Retest surface until acceptable results are obtained. 9

F. Employ services of lining manufacturer's qualified technical representative to ensure that lining 10 system is compatible with factory-applied or existing coatings. 11

1. Certify through material data sheets. 12 2. Perform test patch. 13

a. Prepare existing coating surface to receive specified lining system. 14 b. Apply lining system to a minimum 1 SQFT area and allow to cure in accordance with 15

manufacturer's recommendations. 16

c. Evaluate adhesion to existing coating: 17 1) Concrete or Masonry substrates: ASTM 7234. 18 2) All other substrates: ASTM D4541. 19

3. If field-applied coating is found to be not compatible, require the lining manufacturer's 20 technical representative to recommend, in writing, product to be used as barrier coat, 21

thickness to be applied, surface preparation and method of application. 22

a. Perform test patch as described above. 23 4. At Contractor's option, existing coatings may be removed, and surface prepared in 24

accordance with this Specification Section. 25

5. All damage to surface as result of coating removal shall be repaired to original condition or 26 better by Contractor at no additional cost to Owner. 27

G. Verify that atmosphere is within manufacturer's acceptable temperature and humidity limits. 28 1. Provide temporary heating and/or dehumidification as required to bring area within 29

acceptable limits. 30

a. Provide in accordance with SSPC TR 3/ NACE 6A192. 31 b. Provide temporary dehumidification equipment properly sized to maintain humidity 32

levels required by lining manufacturer. 33

c. Provide clean heat with heat exchanger type equipment sufficient in size to maintain 34 temperature on a 24 HR basis. 35

1) Vent exhaust gases to exterior environment. 36 2) No exhaust gases shall be allowed to vent into the space being coated or any 37

adjacent space. 38

3.2 APPLICATION 39

A. General: 40 1. Apply materials under adequate illumination. 41 2. Application shall be performed when substrate is in descending temperatures. 42 3. Evenly spread to provide full, smooth coverage. 43 4. Work each application of material into corners, crevices, joints, and other difficult to work 44

areas. 45

B. Apply filler-surfacer to all concrete surfaces indicated to receive lining system. 46 1. Provide uniform parge coat minimum 1/16 IN thick. 47

C. Apply primer and finish coats in accordance with manufacturer's recommendations. 48 1. Apply primer in single coat to thickness recommended by manufacturer. 49

a. After application of primer, inspect surface for pinholes, voids or other defects. 50 b. Repair pinholes, voids or defects as recommended by lining manufacturer. 51

2. Apply finish material to a total minimum 120 mils dry film thickness. 52


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D. Provide lining manufacturer’s recommended details at all terminations, penetrations, 1 embedments, cracks, joints and changes in substrate direction: 2

1. Provide saw-cut keyway terminations. 3 a. Size: Minimum 1/4 IN by 1/4 IN, unless indicated otherwise by lining manufacturer. 4 b. Keyways shall be dry and clean; free of dust and residual particles. 5 c. Mask edges of keyways to provide clean, abrupt termination. 6

2. All piping and penetrations shall have fillet radius or cant cove as recommended by lining 7 manufacturer. 8

3. Provide fillet radius or cant cove at all changes in direction of substrate. 9

E. Finished surface shall be uniform and free of pinholes, voids, honeycombing or other 10 imperfections. 11

F. Maintain minimum temperatures before, during, and after lining application to assure proper 12 curing. 13

G. Ensure a monolithic lining and uniform thickness during the application process. 14

H. Measure wet lining with wet film thickness gages in accordance with ASTM D4414. 15

I. Apply lining to the following structures: 16 1. Digester B interior walls. 17 2. Main Lift Station wetwell walls. 18

a. Apply lining to all: 19 1) Vertical concrete surfaces. 20 2) Concrete surfaces above and within 24 IN of the low liquid level (EL 363.0). 21 3) Concrete surfaces below and within 24 IN of the high liquid level (EL 378.0). 22

3.3 FIELD QUALITY CONTROL 23

A. Provide services of manufacturer's authorized representative during lining application, substrate 24 preparation and after all lining work is completed. 25

1. Certify that surface has been prepared in accordance with lining manufacturer's 26 recommendations. 27

2. Certify that substrate moisture content and pH are within manufacturer's acceptable limits. 28 3. Certify that ambient temperature and temperature of substrate to be coated are within 29

manufacturer's acceptable limits. 30

4. Certify that lining has been properly applied to required mil thickness. 31 5. Visual Inspection: 32

a. A visual inspection shall be made by the manufacturer’s representative. 33 b. Any deficiencies in the finished lining shall be marked and repaired according to the 34

procedures in the manufacturer’s published installation instructions. 35

B. Owner Provided Observation, Inspection and Testing: 36 1. A NACE International Level III inspector will be assigned by the Owner to perform 37

observation, inspection and testing as deemed necessary to document the quality of the 38

Work. 39

a. All Work shall be done to the satisfaction of the Owner’s inspector. 40 b. Any portion of the lining that does not satisfactorily pass the inspection and testing 41

requirements shall be repaired or replaced by the Contractor at no additional cost to the 42

Owner. 43

c. Additional testing and/or inspection may be done at the discretion of the Owner. The 44 Contractor will provide all equipment, materials, and labor to perform the testing. 45

2. Inspection, testing or observation by the Owner’s inspector shall not relieve the Contractor 46 of responsibility for surface preparation, inspection or quality control specified herein. 47

C. Contractor Performed Testing: 48 1. Provide ongoing testing and inspection as specified herein, including but not limited to the 49

following: 50

a. Thickness Testing: 51


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1) Wet film thickness during application in accordance with ASTM D4414. 1 2) Dry Film Thickness (DFT) in accordance with SSPC PA 2 and ASTM D7091. 2

b. Bond Strength: 3 1) Measure bond strength of the lining system to the concrete substrate in accordance 4

with ASTM D7234. 5

a) Bond strength of the lining to the concrete shall be greater then the tensile 6 strength of the concrete. 7

b) One 50 MM dolly shall be fixed to each location and pulled in accordance 8 with ASTM D7234. 9

(1) For each test that fails, two (2) additional tests shall be performed in the 10 adjacent area. 11

(2) Further bond tests may be performed to determine the extent of potentially 12 deficient bonded areas at no additional cost to the Owner. 13

(3) Repairs shall be made by applicator in strict accordance with 14 manufacturer’s recommendations. 15

(4) The number of test sites and locations to be tested shall be determined by 16 the Owner after application of lining. The Contractor will apply the 17

dollies, perform the tests and repair the lining in the presence of the 18

Owner. 19

(5) Any lined areas that do not pass the bond strength tests shall be removed 20 and replaced at the expense of the Contractor. 21

c. Holiday Testing (Spark Testing): 22 1) Test completed lining system in accordance with NACE SP0188 using high-23

voltage holiday detection equipment. 24

a) Set spark tester at initial setting of 100 volts per mil (25 microns) of film 25 thickness applied. 26

(1) Adjust as necessary to detect the induced holiday. 27 2) Metallic substrates: Test in accordance with ASTM D5762. 28 3) Concrete substrates: Test in accordance with ASTM D4787. 29 4) All detected holidays shall be marked and repaired. 30

a) Abrade the lining surface with grit disk paper or other hand tooling method. 31 b) After proper abrading and cleaning, additional protective lining material can 32

be applied to the repair area. 33

c) All touch-up/repair procedures shall follow the protective lining 34 manufacturer’s recommendations. 35

5) Following manufacturer’s recommended cure time for repaired areas, measure dry 36 film thickness: 37

a) Ensure the specified thickness has been achieved. 38 6) Provide certification that completed lining system is free of pinholes or other 39

material defects. 40

D. Instrumentation: 41 1. Utilize instrumentation as necessary to measure, monitor and record environmental surface 42

conditions as indicated, including but not limited to the following: 43

a. Dry film thickness gauge: 44 1) Ultrasonic: SSPC PA 9 and ASTM D6132. 45 2) Magnetic: SSPC PA 2 and ASTM D7091. 46

b. Wet Film Thickness Gauge: ASTM D4414. 47 c. Sling Psychrometer: ASTM E337. 48 d. Surface Temperature Thermometer. 49 e. Anemometer. 50 f. Moisture Meter: ASTM F2659. 51 g. Adhesion test apparatus: ASTM D4541. 52

2. Instrumentation shall be adequate to measure and record applicable data within the tolerance 53 indicated in the standard referenced for specific tests. 54

a. Calibrate all instrumentation prior to each use. 55


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E. Maintain Daily Records: 1 1. Record the following information during application of each coat applied: 2

a. Date, starting time, end time, and all breaks taken by painters. 3 b. Air temperature: 4

1) Dry Bulb. 5 2) Wet Bulb. 6

c. Relative humidity. 7 d. Dew point. 8 e. Moisture content of concrete substrate prior to coating. 9 f. pH level of concrete substrate prior to coating. 10 g. Surface temperature of substrate. 11 h. Provisions utilized to maintain work area within manufacturer's recommended 12

application parameters including temporary heating, ventilation, cooling, 13

dehumidification and provisions utilized to mitigate wind blown dust and debris from 14

contaminating the wet paint film. 15

i. Record environmental conditions, substrate moisture content and surface temperature 16 information not less than once every 4 HRS during application. 17

1) Record hourly when: 18 a) Temperatures are below 50 DEGF or above 100 DEGF. 19 b) Significant changes in weather conditions occur. 20 c) Precipitation is imminent or occurring. 21

2. Record the following information daily for the lining manufacturer's recommended curing 22 period: 23

a. Date and start time of cure period for each item or area. 24 b. Record environmental conditions not less than once every 12 HRS. 25

1) Record not less than once every four (4) hours when: 26 a) Ambient temperature is below 35 DEGF. 27 b) Significant changes in weather conditions occur. 28 c) Precipitation is imminent or occurring. 29

c. Provisions utilized to protect each item or area and to maintain areas within 30 manufacturer's recommended curing parameters. 31

3. Format for daily record to be computer generated. 32 4. Daily record shall be accessible to Engineer anytime during normal project working hours. 33

F. Repair all defective lining in accordance with manufacturer's printed recommendations. 34

END OF SECTION 35

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09 96 53 - 10

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PIPE AND PIPE FITTINGS - BASIC REQUIREMENTS (REVISED AD 01)

40 05 00 - 1

SECTION 40 05 00 1

PIPE AND PIPE FITTINGS - BASIC REQUIREMENTS (REVISED AD 01) 2

PART 1 - GENERAL 3

1.1 SUMMARY 4

A. Section Includes: 5 1. Process piping systems. 6 2. Utility piping systems. 7 3. Plumbing piping systems. 8

B. Related Specification Sections include but are not necessarily limited to: 9 1. Division 00 - Procurement and Contracting Requirements. 10 2. Division 01 - General Requirements. 11 3. Section 09 96 00 - High Performance Industrial Coatings. 12 4. Section 10 14 00 - Identification Devices. 13 5. Section 31 23 33 - Trenching, Backfilling, and Compacting for Utilities. 14 6. Section 40 05 07 - Pipe Support Systems. 15 7. Section 40 05 51 - Valves: Basic Requirements. 16 8. Section 40 42 00 - Pipe, Duct and Equipment Insulation. 17 9. Section 40 91 10 - Primary Elements and Transmitters. 18

1.2 QUALITY ASSURANCE 19

A. Referenced Standards: 20 1. American Association of State Highway and Transportation Officials (AASHTO): 21

a. M36, Corrugated Steel Pipe, Metallic-Coated, for Sewers and Drains (Equivalent 22 ASTM A760). 23

b. M190, Standard Specification for Bituminous Coated Corrugated Metal Culvert Pipe 24 and Pipe Arches. 25

c. M252, Standard Specification for Corrugated Polyethylene Drainage Tubing. 26 d. M294, Interim Specification for Corrugated Polyethylene Pipe 12 to 24 Inch Diameter. 27

2. American Iron and Steel Institute (AISI). 28 3. American Society of Mechanical Engineers (ASME): 29

a. B16.3, Malleable Iron Threaded Fittings. 30 b. B16.5, Pipe Flanges and Flanged Fittings. 31 c. B16.9, Factory-Made Wrought Steel Butt-Welding Fittings. 32 d. B16.22, Wrought Copper and Bronze Solder - Joint Pressure Fittings. 33 e. B16.26, Cast Copper Alloy Fittings for Flared Copper Tubes. 34 f. B36.19, Stainless Steel Pipe. 35 g. B40.100, Pressure Gauges and Gauge Attachments. 36

4. ASTM International (ASTM): 37 a. A53, Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, 38

Welded and Seamless. 39

b. A74, Standard Specification for Cast Iron Soil Pipe and Fittings. 40 c. A106, Standard Specification for Seamless Carbon Steel Pipe for High-Temperature 41

Service. 42

d. A126, Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe 43 Fittings. 44

e. A182, Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges, Forged 45 Fittings, and Valves and Parts for High-Temperature Service. 46

f. A197, Standard Specification for Cupola Malleable Iron. 47 g. A234, Standard Specification for Pipe Fittings of Wrought Carbon Steel and Alloy 48

Steel for Moderate and High Temperature Service. 49


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40 05 00 - 2

h. A269, Standard Specification for Seamless and Welded Austenitic Stainless Steel 1 Tubing for General Service. 2

i. A312, Standard Specification for Seamless, Welded, and Heavily Cold Worked 3 Austenitic Stainless Steel Pipes. 4

j. A518, Standard Specification for Corrosion-Resistant High-Silicon Iron Castings. 5 k. A536, Standard Specification for Ductile Iron Castings. 6 l. A587, Standard Specification for Electric-Resistance-Welded Low-Carbon Steel Pipe 7

for the Chemical Industry. 8

m. A760, Standard Specification for Corrugated Steel Pipe, Metallic-Coated for Sewers 9 and Drains. 10

n. A774, Standard Specification for As-Welded Wrought Austenitic Stainless Steel 11 Fittings for General Corrosive Service at Low and Moderate Temperatures. 12

o. A778, Standard Specification for Welded, Unannealed Austenitic Stainless Steel 13 Tubular Products. 14

p. B88, Standard Specification for Seamless Copper Water Tube. 15 q. C14, Standard Specification for Concrete Sewer, Storm Drain, and Culvert Pipe. 16 r. C76, Standard Specification for Reinforced Concrete Culvert, Storm Drain, and Sewer 17

Pipe. 18

s. C425, Standard Specification for Compression Joints for Vitrified Clay Pipe and 19 Fittings. 20

t. C443, Standard Specification for Joints for Concrete Pipe and Manholes, Using Rubber 21 Gaskets. 22

u. C564, Standard Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings. 23 v. C700, Standard Specification for Vitrified Clay Pipe, Extra Strength, Standard Strength 24

and Perforated. 25

w. D1785, Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 26 40, 80, and 120. 27

x. D2466, Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, 28 Schedule 40. 29

y. D2467, Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, 30 Schedule 80. 31

z. D3262, Standard Specification for “Fiberglass” (Glass-Fiber-Reinforced 32 Thermosetting-Resin) Sewer Pipe. 33

aa. D4101, Standard Specification for Polypropylene Plastic Injection and Extrusion 34 Materials. 35

bb. D4161, Standard Specification for “Fiberglass” (Glass-Fiber-Reinforced 36 Thermosetting-Resin) Pipe Joints Using Flexible Elastomeric Seals 37

cc. F439, Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe 38 Fittings, Schedule 80. 39

dd. F441, Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic 40 Pipe, Schedules 40 and 80. 41

5. American Water Works Association (AWWA): 42 a. B300, Standard for Hypochlorites. 43 b. C200, Standard for Steel Water Pipe - 6 IN and Larger. 44 c. C207, Standard for Steel Pipe Flanges for Waterworks Service - Sizes 4 IN through 144 45

IN. 46

d. C208, Standard for Dimensions for Fabricated Steel Water Pipe Fittings. 47 e. C606, Standard for Grooved and Shouldered Joints. 48 f. C651, Standard for Disinfecting Water Mains. 49 g. C800, Standard for Underground Service Line Valves and Fittings. 50

6. American Water Works Association/American National Standards Institute 51 (AWWA/ANSI): 52

a. C110/A21.10, Standard for Ductile-Iron and Gray-Iron Fittings. 53 b. C111/A21.11, Standard for Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and 54

Fittings. 55


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40 05 00 - 3

c. C115/A21.15, Standard for Flanged Ductile-Iron Pipe with Ductile-Iron or Gray-Iron 1 Threaded Flanges. 2

d. C151/A21.51, Standard for Ductile-Iron Pipe, Centrifugally Cast, for Water. 3 e. C153/A21.53, Standard for Ductile-Iron Compact Fittings for Water Service. 4

7. Chlorine Institute, Inc. (CI): 5 a. Pamphlet 6, Piping Systems for Dry Chlorine. 6

8. Cast Iron Soil Pipe Institute (CISPI): 7 a. 301, Standard Specification for Hubless Cast Iron Soil Pipe and Fittings for Sanitary 8

and Storm Drain, Waste, and Vent Piping Applications. 9

9. International Plumbing Code (IPC). 10 10. National Fire Protection Association (NFPA): 11

a. 54, National Fuel Gas Code. 12 b. 69, Standard on Explosion Prevention Systems. 13

11. Underwriters Laboratories, Inc. (UL). 14

B. Coordinate flange dimensions and drillings between piping, valves, and equipment. 15

1.3 DEFINITIONS 16

A. Hazardous Gas Systems: Digester gas, chlorine gas, sulfur dioxide gas, carbon dioxide gas, lab 17 gases. 18

B. HPIC: High performance industrial coating. 19

C. PVDF: Polyvinylidene fluoride. 20

1.4 SYSTEM DESCRIPTION 21

A. Piping Systems Organization and Definition: 22 1. Piping services are grouped into designated systems according to the chemical and physical 23

properties of the fluid conveyed, system pressure, piping size and system materials of 24

construction. 25

2. See PIPING SPECIFICATION SCHEDULES in PART 3. 26

1.5 SUBMITTALS 27

A. Shop Drawings: 28 1. See Specification Section 01 33 00 for requirements for the mechanics and administration of 29

the submittal process. 30

2. Product technical data including: 31 a. Acknowledgement that products submitted meet requirements of standards referenced. 32 b. Copies of manufacturer's written directions regarding material handling, delivery, 33

storage and installation. 34

c. Separate schedule sheet for each piping system scheduled in this Specification Section 35 showing compliance of all system components. 36

1) Attach technical product data on gaskets, pipe, fittings, and other components. 37 3. Fabrication and/or Layout Drawings: 38

a. Exterior yard piping drawings (minimum scale 1 IN equals 10 FT) with information 39 including: 40

1) Dimensions of piping lengths. 41 2) Invert or centerline elevations of piping crossings. 42 3) Acknowledgement of bury depth requirements. 43 4) Details of fittings, tapping locations, thrust blocks, restrained joint segments, 44

harnessed joint segments, hydrants, and related appurtenances. 45

5) Acknowledge designated valve or gate tag numbers, manhole numbers, instrument 46 tag numbers, pipe and line numbers. 47

6) Line slopes and vents. 48 b. Interior piping drawings (minimum scale 1/8 IN equals 1 FT) with information 49

including: 50

1) Dimensions of piping from column lines or wall surfaces. 51


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40 05 00 - 4

2) Centerline dimensions of piping. 1 3) Centerline elevation and size of intersecting ductwork, conduit/conduit racks, or 2

other potential interferences requiring coordination. 3

4) Location and type of pipe supports and anchors. 4 5) Locations of valves and valve actuator type. 5 6) Details of fittings, tapping locations, equipment connections, flexible expansion 6

joints, connections to equipment, and related appurtenances. 7

7) Acknowledgement of valve, equipment and instrument tag numbers. 8 8) Provisions for expansion and contraction. 9 9) Line slopes and air release vents. 10 10) Rough-in data for plumbing fixtures. 11

c. Schedule of interconnections to existing piping and method of connection. 12

B. Contract Closeout Information: 13 1. Operation and Maintenance Data: 14

a. See Specification Section 01 33 04 for requirements for the mechanics, administration, 15 and the content of Operation and Maintenance Manual submittals. 16

C. Informational Submittals: 17 1. Qualifications of lab performing disinfection analysis on water systems. 18 2. Test reports: 19

a. Copies of pressure test results on all piping systems. 20 b. Reports defining results of dielectric testing and corrective action taken. 21 c. Disinfection test report. 22 d. Notification of time and date of piping pressure tests. 23

1.6 DELIVERY, STORAGE, AND HANDLING 24

A. Protect pipe coating during handling using methods recommended by manufacturer. 25 1. Use of bare cables, chains, hooks, metal bars or narrow skids in contact with coated pipe is 26

not permitted. 27

B. Prevent damage to pipe during transit. 28 1. Repair abrasions, scars, and blemishes. 29 2. If repair of satisfactory quality cannot be achieved, replace damaged material immediately. 30

PART 2 - PRODUCTS 31

2.1 MANUFACTURERS 32

A. Subject to compliance with the Contract Documents, the following manufacturers are 33 acceptable: 34

1. Insulating unions: 35 a. "Dielectric" by Epco. 36

2. Dirt strainers (Y type): 37 a. Mueller (#351). 38 b. Sarco. 39 c. Armstrong. 40

3. Chemical strainers (Y type): 41 a. Chemtrol. 42 b. Asahi. 43

4. Dry disconnect couplings: 44 a. Kamlock. 45

5. Dielectric flange kit: 46 a. PSI. 47 b. Maloney. 48 c. Central Plastics. 49

6. Pipe saddles (for gage installation): 50


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40 05 00 - 5

a. Dresser Style 91 (steel and ductile iron systems). 1 b. Dresser Style 194 (nonmetallic systems). 2

7. Expansion joint at FRP and poly tanks: 3 a. PROCO. 4 b. Garlock, Style 215. 5

8. Elastomeric bellows type expansion joints: 6 a. Garlock, Guardian 200/204. 7 b. PROCO, equivalent model. 8 c. Red Valve, equivalent model. 9 d. Or equal. 10

9. Dismantling Joint 11 a. Romac DJ400. 12 b. Smith Blair 972. 13

B. Submit request for substitution in accordance with Specification Section 01 25 13. 14

2.2 PIPING SPECIFICATION SCHEDULES 15

A. Piping system materials, fittings and appurtenances are subject to requirements of specific piping 16 specification schedules located at the end of PART 3 of this Specification Section. 17

2.3 COMPONENTS AND ACCESSORIES 18

A. Insulating Components: 19 1. Dielectric flange kits: 20

a. Flat faced. 21 b. 1/8 IN thick dielectric gasket, phenolic, non-asbestos. 22 c. Suitable for 175 PSI, 210 DEGF. 23 d. 1/32 IN wall thickness bolt sleeves. 24 e. 1/8 IN thick phenolic insulating washers. 25

2. Dielectric unions: 26 a. Screwed end connections. 27 b. Rated at 175 PSI, 210 DEGF. 28 c. Provide dielectric gaskets suitable for continuous operation at union rated temperature 29

and pressure. 30

B. Dirt Strainers: 31 1. Y-type. 32 2. Composition bronze. 33 3. Rated for test pressure and temperature of system in which they are installed. 34 4. 20 mesh Monel screen. 35 5. Threaded bronze plug in the blowoff outlet. 36 6. Threaded NPT end connections. 37

C. Strainers for Chemical Applications: 38 1. Y-type. 39 2. Strainers of same material, test pressure, and temperature rating as system in which strainer 40

is placed. 41

D. Reducers: 42 1. Furnish appropriate size reducers and reducing fittings to mate pipe to equipment 43

connections. 44

2. Connection size requirements may change from those shown on Drawings depending on 45 equipment furnished. 46

E. Protective Coating and Lining: 47 1. Include pipe, fittings, and appurtenances where coatings, linings, coating, tests and other 48

items are specified. 49

2. Field coating pipe in accordance with Specification Section 09 96 00. 50


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40 05 00 - 6

F. Underground Warning Tape: 1 1. See Specification Section 10 14 00. 2

G. Pressure Gages: 3 1. See Specification Section 01 61 03 and Specification Section 40 91 10. 4

H. Dry Disconnect Couplings: 5 1. Adapters: 6

a. Male adapters: Size shown on Drawings. 7 b. Adapters: 8

1) Female NPT end connection for sludge and flush applications. 9 2) Male NPT end connection for chemical applications. 10

c. Construct adapters for sludge applications from cast iron or steel. 11 d. Construct adapters for chemical and PVC system applications 3 IN and below from 12

polypropylene. 13

1) Above 3 IN size, provide stainless steel units. 14 2. Couplers: 15

a. Built-in valve and spring loaded poppet which close automatically when disconnected. 16 b. Designed to remain with only one (1) arm locked in closed position. 17 c. Construct couplers for sludge applications fabricated from material utilized for 18

adapters. 19

d. Construct couplers for chemical and PVC system applications 3 IN and less from 20 polypropylene with stainless steel arms and pins. 21

1) Above 3 IN, provide stainless steel units. 22 e. Gasket: Compatible with conveyed liquid. 23

3. Dust caps: For all adapters. 24

I. Sacrificial Anode Cathodic Protection: 25 1. 3 LB magnesium sacrificial anodes, prepackaged in a cloth bag containing 75 PCT hydrated 26

gypsum, 20 PCT bentonite and 5 PCT anhydrous sodium sulphate. 27

2. TW 600 V or an HMWPE insulated copper lead attached to the anode. 28

J. Valves: 29 1. See schematics and details for definition of manual valves used in each system under 4 IN 30

in size. 31

a. See Specification Section 40 05 51 schedule for valve types 4 IN and above and for 32 automatic valves used in each system. 33

2. See Specification Section 40 05 51. 34

K. Expansion Joints at FRP and Poly Tanks: 35 1. Materials: 36

a. Bellows: PTFE-62. 37 b. Flanges: PVC. 38 c. Limit bolts and nuts: 316 stainless steel. 39 d. Reinforcing rings: Stainless steel. 40

2. Pressure rating at 70 DEGF: 70 PSIG. 41 3. Minimum axial movement: 3/8 IN. 42

L. Elastomeric Bellows Type Expansion Joints: 43 1. Provide reducing type where indicated on the Drawings. 44 2. Air piping: Refer to stainless steel Specification 40 05 23. 45 3. Flanges: ANSI 125/150. 46 4. Materials: 47

a. Bellows: 48 1) Sludge service: Natural rubber. 49 2) Hot Water (over 100 DEGF): EPDM. 50 3) All other: Compatible with fluid. 51

b. Restraint: 52


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40 05 00 - 7

1) Provide restraint limit bolts (control rods) and nuts to restrain joint at test pressure 1 of piping. 2

2) Control rod material: 316 stainless steel. 3 c. Working pressure: Equal to or greater than test pressure of connecting piping. 4 d. Minimum axial movement: 3/8 IN. 5

5. Arches: 6 a. Sludge service: Provide single filled arches. 7 b. All other service: Provide double open arches. 8

PART 3 - EXECUTION 9

3.1 EXTERIOR BURIED PIPING INSTALLATION 10

A. Unless otherwise shown on the Drawings, provide a minimum of 4 FT and maximum of 8 FT 11 earth cover over exterior buried piping systems and appurtenances conveying water, fluids, or 12

solutions subject to freezing. 13

B. Enter and exit through structure walls, floors, and ceilings by using penetrations and seals 14 specified in Specification Section 01 73 20 and as shown on Drawings. 15

C. When entering or leaving structures with buried mechanical joint piping, install joint within 2 FT 16 of point where pipe enters or leaves structure. 17

1. Install second joint not more than 6 FT nor less than 4 FT from first joint. 18

D. Install expansion devices as necessary to allow expansion and contraction movement. 19

E. Laying Pipe In Trench: 20 1. Excavate and backfill trench in accordance with Specification Section 31 23 33. 21 2. Clean each pipe length thoroughly and inspect for compliance to specifications. 22 3. Grade trench bottom and excavate for pipe bell and lay pipe on trench bottom. 23 4. Install gasket or joint material according to manufacturer's directions after joints have been 24

thoroughly cleaned and examined. 25

5. Except for first two (2) joints, before making final connections of joints, install two (2) full 26 sections of pipe with earth tamped along side of pipe or final with bedding material placed. 27

6. Lay pipe in only suitable weather with good trench conditions. 28 a. Never lay pipe in water except where approved by Engineer. 29

7. Seal open end of line with watertight plug if pipe laying stopped. 30 8. Remove water in trench before removal of plug. 31

F. Lining Up Push-On Joint Piping: 32 1. Lay piping on route lines shown on Drawings. 33 2. Deflect from straight alignments or grades by vertical or horizontal curves or offsets. 34 3. Observe maximum deflection values stated in manufacturer's written literature. 35 4. Provide special bends when specified or where required alignment exceeds allowable 36

deflections stipulated. 37

5. Install shorter lengths of pipe in such length and number that angular deflection of any joint, 38 as represented by specified maximum deflection, is not exceeded. 39

G. Anchorage and Blocking: 40 1. Provide reaction blocking, anchors, joint harnesses, or other acceptable means for 41

preventing movement of piping caused by forces in or on buried piping tees, wye branches, 42

plugs, or bends. 43

2. Place concrete blocking so that it extends from fitting into solid undisturbed earth wall. 44 a. Concrete blocks shall not cover pipe joints. 45

3. Provide bearing area of concrete in accordance with drawing detail. 46

H. Install underground hazard warning tape per Specification Section 10 14 00. 47

I. Install insulating components where dissimilar metals are joined together. 48


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40 05 00 - 8

3.2 INTERIOR AND EXPOSED EXTERIOR PIPING INSTALLATION 1

A. Install piping in vertical and horizontal alignment as shown on Drawings. 2

B. Alignment of piping smaller than 4 IN may not be shown; however, install according to Drawing 3 intent and with clearance and allowance for: 4

1. Expansion and contraction. 5 2. Operation and access to equipment, doors, windows, hoists, moving equipment. 6 3. Headroom and walking space for working areas and aisles. 7 4. System drainage and air removal. 8

C. Enter and exit through structure walls, floor and ceilings using penetrations and seals specified 9 in Specification Section 01 73 20 and as shown on the Drawings. 10

D. Install vertical piping runs plumb and horizontal piping runs parallel with structure walls. 11

E. Pipe Support: 12 1. Use methods of piping support as shown on Drawings and as required in Specification 13

Section 40 05 07. 14

2. Where pipes run parallel and at same elevation or grade, they may be grouped and 15 supported from common trapeze-type hanger, provided hanger rods are increased in size as 16

specified for total supported weight. 17

a. The pipe in the group requiring the least maximum distance between supports shall set 18 the distance between trapeze hangers. 19

3. Size pipe supports with consideration to specific gravity of liquid being piped. 20

F. Locate and size sleeves and castings required for piping system. 21 1. Arrange for chases, recesses, inserts or anchors at proper elevation and location. 22

G. Use reducing fittings throughout piping systems. 23 1. Bushings will not be allowed unless specifically approved. 24

H. Equipment Drainage and Miscellaneous Piping: 25 1. Provide drip pans and piping at equipment where condensation may occur. 26 2. Hard pipe stuffing box leakage to nearest floor drain. 27 3. Avoid piping over electrical components such as motor control centers, panelboards, etc. 28

a. If piping must be so routed, utilize 16 GA, 316 stainless steel drip pan under piping and 29 over full length of electrical equipment. 30

b. Hard pipe drainage to nearest floor drain. 31 4. Collect system condensate at drip pockets, traps and blowoff valves. 32 5. Provide drainage for process piping at locations shown on Drawings in accordance with 33

Drawing details. 34

6. For applications defined above and for other miscellaneous piping which is not addressed by 35 a specific piping service category in PART 1, provide 304 stainless steel piping and fittings. 36

a. Size to handle application with 3/4 IN being minimum size provided. 37

I. Unions: 38 1. Install in position which will permit valve or equipment to be removed without dismantling 39

adjacent piping. 40

2. Mechanical type couplings may serve as unions. 41 3. Additional flange unions are not required at flanged connections. 42

J. Install expansion devices as necessary to allow expansion/contraction movement. 43

K. Provide full face gaskets on all systems. 44

L. Anchorage and Blocking: 45 1. Block, anchor, or harness exposed piping subjected to forces in which joints are installed to 46

prevent separation of joints and transmission of stress into equipment or structural 47

components not designed to resist those stresses. 48

M. Equipment Pipe Connections: 49


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40 05 00 - 9

1. Equipment - General: 1 a. Exercise care in bolting flanged joints so that there is no restraint on the opposite end of 2

pipe or fitting which would prevent uniform gasket pressure at connection or would 3

cause unnecessary stresses to be transmitted to equipment flanges. 4

b. Where push-on joints are used in conjunction with flanged joints, final positioning of 5 push-on joints shall not be made until flange joints have been tightened without strain. 6

c. Tighten flange bolts at uniform rate which will result in uniform gasket compression 7 over entire area of joint. 8

1) Provide tightening torque in accordance with manufacturer's recommendations. 9 d. Support and match flange faces to uniform contact over their entire face area prior to 10

installation of any bolt between the piping flange and equipment connecting flange. 11

e. Permit piping connected to equipment to freely move in directions parallel to 12 longitudinal centerline when and while bolts in connection flange are tightened. 13

f. Align, level, and wedge equipment into place during fitting and alignment of 14 connecting piping. 15

g. Grout equipment into place prior to final bolting of piping but not before initial fitting 16 and alignment. 17

h. To provide maximum flexibility and ease of alignment, assemble connecting piping 18 with gaskets in place and minimum of four (4) bolts per joint installed and tightened. 19

1) Test alignment by loosening flange bolts to see if there is any change in 20 relationship of piping flange with equipment connecting flange. 21

2) Realign as necessary, install flange bolts and make equipment connection. 22 i. Provide utility connections to equipment shown on Drawings, scheduled or specified. 23

2. Plumbing and HVAC equipment: 24 a. Make piping connections to plumbing and HVAC equipment, including but not limited 25

to installation of fittings, strainers, pressure reducing valves, flow control valves and 26

relief valves provided with or as integral part of equipment. 27

b. Furnish and install sinks, fittings, strainers, pressure reducing valves, flow control 28 valves, pressure relief valves, and shock absorbers which are not specified to be 29

provided with or as integral part of equipment. 30

c. For each water supply piping connection to equipment, furnish and install union and 31 gate or angle valve. 32

1) Provide wheel handle stop valve at each laboratory sink water supply. 33 2) Minimum size: 1/2 IN. 34

d. Furnish and install "P" trap for each waste piping connection to equipment if waste is 35 connected directly to building sewer system. 36

1) Size trap as required by IPC. 37 e. Stub piping for equipment, sinks, lavatories, supply and drain fittings, key stops, "P" 38

traps, miscellaneous traps and miscellaneous brass through wall or floor and cap and 39

protect until such time when later installation is performed. 40

N. Provide insulating components where dissimilar metals are joined together. 41

O. Instrument Connections: 42 1. See drawing details. 43

3.3 CONNECTIONS WITH EXISTING PIPING 44

A. Where connection between new work and existing work is made, use suitable and proper fittings 45 to suit conditions encountered. 46

B. Perform connections with existing piping at time and under conditions which will least interfere 47 with service to customers affected by such operation. 48

C. Undertake connections in fashion which will disturb system as little as possible. 49

D. Provide suitable equipment and facilities to dewater, drain, and dispose of liquid removed 50 without damage to adjacent property. 51


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40 05 00 - 10

E. Where connections to existing systems necessitate employment of past installation methods not 1 currently part of trade practice, utilize necessary special piping components. 2

F. Where connection involves potable water systems, provide disinfection methods as prescribed in 3 this Specification Section. 4

G. Once tie-in to each existing system is initiated, continue work continuously until tie-in is made 5 and tested. 6

3.4 ACCESS PROVISIONS 7

A. Provide access doors or panels in walls, floors, and ceilings to permit access to valves, piping 8 and piping appurtenances requiring service. 9

B. Size of access panels to allow inspection and removal of items served, minimum 10 x 14 IN size. 10

C. Fabricate door and frame of minimum 14 GA, stretcher leveled stock, cadmium plated or 11 galvanized after fabrication and fitted with screw driver lock of cam type. 12

D. Provide with key locks, keyed alike, in public use areas. 13

E. Furnish panels with prime coat of HPIC. See Specification Section 09 96 00. 14

F. Style and type as required for material in which door installed. 15

G. Where door is installed in fire-rated construction, provide door bearing UL label required for 16 condition. 17

3.5 CATHODIC PROTECTION 18

A. Isolate, dielectrically, all piping from all other metals including reinforcing bars in concrete 19 slabs, other pipe lines, and miscellaneous metal. 20

B. Make all connections from wire or cable by Thermit Cadwelding accomplished by operators 21 experienced in this process. 22

C. Install all cables with a loop and overhead knot around each pipe and slack equal to at least 50 23 PCT of the straight line length. 24

D. After cadwelding, coat all exposed metallic surfaces with hot applied tape. 25

3.6 HEAT TRACING 26

A. See Specification Section 40 41 13 - Heat Tracing Cable. 27

3.7 PRESSURE GAGES 28

A. Provide at locations shown on the Drawings and specified. 29

B. See Specification Section 01 61 03. 30

3.8 FIELD QUALITY CONTROL 31

A. Pipe Testing - General: 32 1. Test piping systems as follows: 33

a. Test exposed, non-insulated piping systems upon completion of system. 34 b. Test exposed, insulated piping systems upon completion of system but prior to 35

application of insulation. 36

c. Test concealed interior piping systems prior to concealment and, if system is insulated, 37 prior to application of insulation. 38

d. Test buried piping (insulated and non-insulated) prior to backfilling and, if insulated, 39 prior to application of insulation. 40

2. Utilize pressures, media and pressure test durations as specified in the PIPING 41 SPECIFICATION SCHEDULES. 42

3. Isolate equipment which may be damaged by the specified pressure test conditions. 43


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40 05 00 - 11

4. Perform pressure test using calibrated pressure gages and calibrated volumetric measuring 1 equipment to determine leakage rates. 2

a. Select each gage so that the specified test pressure falls within the upper half of the 3 gage's range. 4

b. Notify the Engineer 24 HRS prior to each test. 5 5. Completely assemble and test new piping systems prior to connection to existing pipe 6

systems. 7

6. Acknowledge satisfactory performance of tests and inspections in writing to Engineer prior 8 to final acceptance. 9

7. Bear the cost of all testing and inspecting, locating and remedying of leaks and any 10 necessary retesting and re-examination. 11

B. Pressure Testing: 12 1. Testing medium: Unless otherwise specified in the PIPING SPECIFICATION 13

SCHEDULES, utilize the following test media. 14

a. Process systems: 15 16

PIPE LINE SIZE SPECIFIED TEST PRESSURE TESTING MEDIUM

2 IN and smaller 75 PSI or less Water

2 IN and smaller Greater than 75 PSI Water

Greater than 2 IN 3 PSI or less Water

Greater than 2 IN Greater than 3 PSI Water 17

b. Laboratory gases and natural gas systems: Cylinder nitrogen. 18 c. Liquid systems: 19

20

PIPE LINE SIZE (DIA) GRAVITY OR

PUMPED SPECIFIED TEST

PRESSURE TESTING MEDIUM

Up to and including 48 IN Gravity 25 PSIG or less Water

Above 48 IN Gravity 25 PSIG or less Water

All sizes Pumped 250 PSIG or less Water 21

2. Allowable leakage rates: 22 a. Hazardous gas systems, all exposed piping systems, all pressure piping systems and all 23

buried, insulated piping systems which are hydrostatically pressure tested shall have 24

zero leakage goal at the specified test pressure throughout the duration of the test. 25

b. Hydrostatic exfiltration and infiltration for sanitary and stormwater sewers 26 (groundwater level is below the top of pipe): 27

1) Leakage rate: 200 GAL per inch diameter per mile of pipe per day at average head 28 on test section of 3 FT. 29

2) Average head is defined from groundwater elevation to average pipe crown. 30 3) Acceptable test head leakage rate for heads greater than 3 FT: Acceptable leakage 31

rate (gallons per inch diameter per mile per day) equals 115 by (actual test head to 32

the 1/2 power). 33

c. Hydrostatic infiltration test for sanitary and stormwater sewers (groundwater level is 34 above the top of pipe): 35

1) Allowable leakage rate: 200 GAL per inch diameter per mile of pipe per day when 36 depth of groundwater over top of pipe is 2 to 6 FT. 37

2) Leakage rate at heads greater than 6 FT: Allowable leakage rate (gallons per inch 38 diameter per mile of pipe per day) equals 82 by (actual head to the 1/2 power). 39

d. Large diameter (above 48 IN) gravity plant piping systems shall have a maximum 40 exfiltration of 25 gpd per inch-mile. 41


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40 05 00 - 12

e. Non-hazardous gas and air systems which are tested with air shall have a maximum 1 pressure drop of 5 PCT of the specified test pressure throughout the duration of the test. 2

f. For low pressure (less than 25 PSIG) air testing, the acceptable time for loss of 1 PSIG 3 of air pressure shall be: 4

5

PIPE SIZE (IN DIA) TIME, MINUTES/100 FT

4 0.3

6 0.7

8 1.2

10 1.5

12 1.8

15 2.1

18 2.4

21 3.0

24 3.6

27 4.2

30 4.8

33 5.4

36 6.0

42 7.3

48 7.6 6

3. Hydrostatic pressure testing methodology: 7 a. General: 8

1) All joints, including welds, are to be left exposed for examination during the test. 9 2) Provide additional temporary supports for piping systems designed for vapor or gas 10

to support the weight of the test water. 11

3) Provide temporary restraints for expansion joints for additional pressure load under 12 test. 13

4) Isolate equipment in piping system with rated pressure lower than pipe test 14 pressure. 15

5) Do not coat or insulate exposed piping until successful performance of pressure 16 test. 17

b. Soil, waste, drain and vent systems: 18 1) Test at completion of installation of each stack or section of piping by filling 19

system with water and checking joints and fittings for leaks. 20

2) Eliminate leaks before proceeding with work or concealing piping. 21 3) Minimum test heights shall be 10 FT above highest stack inlet. 22

c. Larger diameter (above 36 IN) gravity plant piping: 23 1) Plug downstream end of segment to be tested. 24

a) Provide bracing as required. 25 2) Fill segment and upstream structure to normal operating level as per hydraulic 26

profile. 27

3) Allow 24 HRS for absorption losses. 28 a) Refill to original level. 29

4) Provide reservoir to maintain constant head over duration of test. 30 5) Record reservoir water volume at beginning and end of test. 31

4. Natural gas systems - testing methodology: 32


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a. Maintain specified test pressure until each joint has been thoroughly examined for leaks 1 by means of soap suds and glycerine. 2

b. Wipe joints clean after test. 3 5. Air testing methodology: 4

a. General: 5 1) Assure air is ambient temperature. 6

b. Low pressure air testing: 7 1) Place plugs in line and inflate to manufacturer's designated seal pressure. 8 2) Check plugs for proper sealing. 9 3) Introduce low pressure air into sealed line segment until air pressure reaches 4 10

PSIG greater than ground water or allowable limits of ASTM F1417. 11

a) Use test gage conforming to ASME B40.100 with 0 to 15 PSI scale and 12 accuracy of 1 PCT of full range. 13

4) Allow 2 minutes for air pressure to stabilize. 14 5) After stabilization period (3.5 PSIG minimum pressure in pipe) discontinue air 15

supply to line segment. 16

6) Record pressure at beginning and end of test. 17

C. Dielectric Testing Methods and Criteria: 18 1. Provide electrical check between metallic non-ferrous pipe or appurtenances and ferrous 19

elements of construction to assure discontinuity has been maintained. 20

2. Wherever electrical contact is demonstrated by such test, locate the point or points of 21 continuity and correct the condition. 22

3.9 CLEANING, DISINFECTION AND PURGING 23

A. Cleaning: 24 1. Clean interior of piping systems thoroughly before installing. 25 2. Maintain pipe in clean condition during installation. 26 3. Before jointing piping, thoroughly clean and wipe joint contact surfaces and then properly 27

dress and make joint. 28

a. Pig high pressure air piping before connecting to valves or instruments. 29 4. At completion of work and prior to Final Acceptance, thoroughly clean work installed under 30

these Specifications. 31

a. Clean equipment, fixtures, pipe, valves, and fittings of grease, metal cuttings, and 32 sludge which may have accumulated by operation of system, from testing, or from 33

other causes. 34

b. Repair any stoppage or discoloration or other damage to parts of building, its finish, or 35 furnishings, due to failure to properly clean piping system, without cost to Owner. 36

5. After erection of piping and tubing, but prior to installation of service outlet valves, blow 37 natural gas and digester gas systems clear of free moisture and foreign matter by means of 38

air, nitrogen or carbon dioxide. 39

a. Oxygen shall never be used. 40 6. Clean chlorine piping in accordance with CI Pamphlet 6. 41 7. Purge all neat liquid polymer tubing or piping between the neat polymer storage tank or tote 42

and the polymer blending units with mineral oil to remove residual water prior to 43

introducing neat polymer. Following purging, drain as much of the mineral oil out of the 44

system as possible. Dispose of purged fluids and waste mineral oil in accordance with local 45

environmental regulations. 46

B. Disinfection of Potable Water Systems: 47 1. After favorable performance of pressure test and prior to Final Acceptance, thoroughly flush 48

entire potable water piping system including supply, source and any appurtenant devices 49

and perform disinfection as prescribed. 50

2. Perform work, including preventative measures during construction, in full compliance with 51 AWWA C651. 52

3. Perform disinfection using sodium hypochlorite complying with AWWA B300. 53


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4. Flush each segment of system to provide flushing velocity of not less than 2.5 FT per 1 second. 2

5. Drain flushing water to sanitary sewer. 3 a. Do not drain flushing water to receiving stream. 4

6. Use continuous feed method of application. 5 a. Tag system during disinfection procedure to prevent use. 6

7. After required contact period, flush system to remove traces of heavily chlorinated water. 7 8. After final flushing and before placing water in service, obtain an independent laboratory 8

approved by the Owner to collect samples and test for bacteriological quality. 9

a. Repeat entire disinfection procedures until satisfactory results are obtained. 10 9. Secure and deliver to Owner, satisfactory bacteriological reports on samples taken from 11

system. 12

a. Ensure sampling and testing procedures are in full compliance to AWWA C651, local 13 water purveyor and applicable requirements of State of Texas. 14

C. Purging Natural gas and digester gas: 15 1. Existing piping: 16

a. Turn off gas supply. 17 b. Vent line pressure outdoors. 18 c. If section exceeds the following, then remaining gas shall be displaced with an inert 19

gas. 20

1) 50 FT for 2-1/2 IN pipe. 21 2) 30 FT for 3 IN pipe. 22 3) 15 FT for 4 IN pipe. 23 4) 10 FT for 6 IN pipe. 24 5) Any length for 8 IN or larger pipe. 25

2. New piping: 26 a. Including but not limited to: 27

1) All fuel gas piping. 28 2) Digesters. 29 3) Digester gas equipment. 30 4) Fuel gas trains. 31

b. Purge air filled system with fuel gas: 32 1) Providing piping length is less than: 33

a) 30 FT for 3 IN pipe. 34 b) 15 FT for 4 IN pipe. 35 c) 10 FT for 6 IN pipe. 36 d) Any length for 8 IN and larger pipe. 37

2) Providing a moderately rapid and continuous flow of fuel gas is introduced. 38 a) Introduce fuel gas at one (1) end. 39 b) Vent air at opposite end. 40

3) Provided fuel gas flow is continuous without interruption until vented gas is free of 41 air. 42

4) The point of discharge shall not be left unattended during purging. 43 c. If the piping is 3 IN or larger and exceeds lengths stated above. 44

1) Purge air with inert gas in accordance with NFPA 54 and NFPA 69. 45 2) Purge inert gas with fuel gas. 46

3. Discharge of purged gases: 47 a. Open end of piping shall not discharge into confined spaces or areas where there are 48

sources of ignition. 49

3.10 LOCATION OF BURIED OBSTACLES 50

A. Furnish exact location and description of buried utilities encountered and thrust block placement. 51

B. Reference items to definitive reference point locations such as found property corners, entrances 52 to buildings, existing structure lines, fire hydrants and related fixed structures. 53


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40 05 00 - 15

C. Include such information as location, elevation, coverage, supports and additional pertinent 1 information. 2

D. Incorporate information on "As-Recorded" Drawings. 3

3.11 PIPE INSULATION 4

A. Insulate pipe and pipe fittings in accordance with Specification Section 40 42 00. 5

3.12 PIPING SYSTEM SCHEDULES 6

A. SPECIFICATION SCHEDULE - SYSTEM 1 7 1. General: 8

a. Piping symbol and service: 9 1) INF - Plant Influent. 10

b. Test requirements: 11 1) Test medium: Water. 12 2) Pressure: See the FIELD QUALITY CONTROL Article in PART 3 of this 13

Specification Section. 14

3) Duration: See the FIELD QUALTIY CONTROL Article in PART 3 of this 15 Specification Section. 16

c. Gaskets: 17 1) Push-on and mechanical joints (ductile iron): Rubber, 18

AWWA/ANSI C111/A21.11. 19

2. System components: 20 a. Pipe size 3 IN through 48 IN: 21

1) Buried service: 22 a) Materials: Ductile iron, Class 250, minimum. 23 b) Reference: AWWA/ANSI C151/A21.51. 24 c) Lining: Cement. 25 d) Coating: Bituminous. 26 e) Fittings: 27

(1) Either AWWA/ANSI C110/A21.10 ductile or gray iron. 28 (2) Optional: AWWA/ANSI C153/A21.53 ductile iron compact fittings for 29

sizes 3 IN to 16 IN. 30

f) Joints: Push-on joints with mechanical (stuffing box type) joints at fittings and 31 valves. 32

B. SPECIFICATION SCHEDULE - SYSTEM 3 33 1. General: 34

a. Piping symbol and service: 35 1) FIL – Filtrate (glass PVDF line). 36 2) D – Drain (glass PVDF line). 37 3) PS - Primary Sludge (glass line). 38 4) WAS - Waste Activated Sludge. 39 5) TPS - Thickened Primary Sludge (glass line). 40 6) TWAS – Thickened Waste Activated Sludge (glass line). 41

b. Test requirements: 42 1) Test medium: Water. 43 2) Pressure: 1.25 x working pressure. 44 3) Duration: 6 HRS. 45

c. Gaskets: 46 1) Flanged, push-on and mechanical joints (ductile iron): Rubber, 47

AWWA/ANSI C111/A21.11. 48

2) Grooved coupling joints (ductile and steel): Rubber, AWWA C606. 49 3) Flanged joints (steel): AWWA C207. 50

2. System components: 51 a. Pipe size 3 IN through 24 IN: 52


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1) Exposed service: 1 a) Material: 2

(1) Flanged: Ductile iron, Class 250. 3 (2) Grooved type joint system: Use pipe thickness per AWWA C606. 4

b) Reference: AWWA/ANSI C115/A21.15. 5 c) Lining: Cement, Glass, PVDF. 6 d) Coating: HPIC; See Specification Section 09 96 00. 7 e) Fittings: Either AWWA/ANSI C110/A21.10 ductile or gray iron. 8 f) Joints: 9

(1) Flanged or grooved type mechanical coupling (AWWA C606) joints. 10 (2) With both systems, provide screwed-on flanges at equipment, valves and 11

structure penetrations. 12

2) Buried service: 13 a) Materials: Ductile iron, Class 250. 14 b) Reference: AWWA/ANSI C151/A21.51. 15 c) Lining: Cement, Glass, PVDF. 16 d) Coating: Bituminous. 17 e) Fittings: 18

(1) Either AWWA/ANSI C110/A21.10 ductile or gray iron. 19 (2) Optional: AWWA/ANSI C153/A21.53 ductile iron compact fittings for 20

sizes 3 IN to 16 IN. 21

f) Joints: Push-on with mechanical (stuffing box type) joints at fittings and 22 valves. 23

C. SPECIFICATION SCHEDULE - SYSTEM 7 24 1. General: 25

a. Piping symbol and service: 26 1) CLGV - Chlorine Gas (Vacuum). 27 2) CLS - Chlorine Solution. 28 3) POL - Polymer Solution (Cationic). 29 4) SDGV - Sulfur Dioxide Gas (Vacuum). 30 5) FA - Foul Air. 31

b. Test requirements pressure lines: 32 1) Test medium: Water. 33 2) Pressure: 1.25 x working pressure. 34 3) Duration: 6 HRS. 35

c. Test requirements vacuum lines: 36 1) Test medium: Air. 37 2) Pressure: -27 IN HG. 38 3) Duration: 6 HRS. 39

d. Gaskets and O-rings: 40 1) Viton for ALS, CARS, CHL, FLU, POL, SDS. 41 2) Teflon for AMGV. 42 3) EPDM for AMS. 43 4) CI standard for CHL. 44 5) Viton for POL. 45

2. System components: 46 a. Pipe size 12 IN and smaller: 47

1) Exposed service: 48 a) Material: PVC, Type 1, Grade 1, Schedule 80. 49 b) Reference: ASTM D1785. 50 c) Lining: None. 51 d) Coating: HPIC; See Specification Section 09 96 00. 52 e) Fittings: Solvent welded socket type complying with ASTM D2467. 53


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f) Joints: Solvent welded with unions at valves, penetrations through structures 1 and equipment connections for pipe 2 IN and less and flanges at those 2

locations for pipe above 2 IN. 3

2) Buried service: 4 a) Material: PVC, Type 1, Grade 1, Schedule 40. 5 b) Reference: ASTM D1785. 6 c) Lining: None. 7 d) Coating: None. 8 e) Fittings: Solvent welded socket type complying with ASTM D2466. 9 f) Joints: Solvent welded. 10

D. SPECIFICATION SCHEDULE - SYSTEM 9 11 1. General: 12

a. Piping symbol and service: 13 1) NPW - Nonpotable Water. 14

b. Test requirements: 15 1) Test medium: Water. 16 2) Pressure: 1.25 x working pressure. 17 3) Duration: 6 HRS. 18

c. Gaskets and O-rings: 19 1

Addendum No: 2...ASTM International (ASTM): 15 a. D4258, Standard Practice for Surface Cleaning...

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Transcript of Addendum No: 2...ASTM International (ASTM): 15 a. D4258, Standard Practice for Surface Cleaning...