VA 33 10 00-2010 WATER UTILITIES.pdf

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1、02-10 33 10 00 - 1 SECTION 33 10 00 WATER UTILITIES SPEC WRITER NOTE: 1. Delete between /-/ if not applicable to project. Also delete any other items applicable in the section and renumber the paragraphs. 2. References to pressure in this section are gage pressure unless otherwise noted. PART 1 - GE

2、NERAL 1.1 DESCRIPTION: Underground water distribution system complete, ready for operation, including all appurtenant structures, and connections to both new building service lines and to existing water supply. 1.2 RELATED WORK: A. Maintenance of Existing Utilities: Section 01 00 00, GENERAL REQUIRE

3、MENTS. B. Excavation, trench widths, pipe bedding, backfill, shoring, sheeting, bracing: Section 31 20 00, EARTH MOVING. C. Concrete: Section 03 30 00, CAST-IN-PLACE CONCRETE. D. Protection of materials and equipment: Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING. E. Fire protection system conn

4、ection and supervisory switch for post indicator valve: Section 21 12 00, FIRE-SUPPRESSION STANDPIPES. F. Fire protection system connection, Section 21 10 00, WATER-BASED FIRE-SUPPRESSION SYSTEMS. 1.3 DEFINITIONS: A. Water Distribution: Pipelines and appurtenances which are part of the distribution

5、system. The distribution system comprises the network of piping located throughout building areas and other areas of water use, including hydrants, valves, and other appurtenances used to supply water for domestic and fire-fighting/fire protection purposes. B. Water Service Line: Pipe line connectin

6、g building piping to water distribution lines. 1.4 QUALITY ASSURANCE: A. Products Criteria: 1. Multiple Units: When two or more units of the same type or class of materials or equipment are required, these units shall be product of one manufacturer. Provided by IHSNot for ResaleNo reproduction or ne

7、tworking permitted without license from IHS-,-,-02-10 33 10 00 - 2 2. Nameplate: Nameplate bearing manufacturers name or identifiable trademark securely affixed in a conspicuous place on equipment or name or trademark cast integrally with equipment, stamped, or otherwise permanently marked on each i

8、tem of equipment. B. Comply with the rules and regulations of the Public Utility having jurisdiction over the connection to Public Water lines and the extension, and/or modifications to Public Utility systems. C. Comply with all rules and regulations of Federal, State, and Local / Health Department

9、/ Department of Environmental Quality / having jurisdiction over the design, construction, and operation of potable water systems. D. All material surfaces in contact with potable water shall comply with NSF 61. 1.5 SUBMITTALS: A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DA

10、TA, AND SAMPLES. B. Manufacturers Literature and Data (Submit all items as one package): (Ductile Iron Pipe and Polyvinyl Chloride (PVC) shall be in accordance with AWWA C600 and C605 respectively; and shall be provided to Resident Engineer for approval.) 1. Piping. 2. Gaskets. 3. Valves. 4. Fire hy

11、drants. 5. Street washer. 6. Meter. 7. Vaults, frames and covers. 8. Steps. 9. Post indicator. 10. Valve boxes. 11. Corporation and curb stops. 12. Curb stop boxes. 13. Joint restraint. 14. Disinfection products. 15. Link/sleeve seals. C. Testing Certifications: 1. Certification of Backflow Devices.

12、 2. Hydrostatic Testing. 3. Certification of Disinfection, including free chlorine residuals, and bacteriological examinations. 1.6 APPLICABLE PUBLICATIONS: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-10 33 10 00 - 3 A. The publications listed

13、 below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. B. American National Standards Institute (ANSI/ASME): B16.1-98 . Cast Iron Pipe Flanges and Flanged Fittings B16.18 . Cast Bronze Solder Joint Pressure Fittin

14、gs B16.26-88 Cast Copper Alloy Fittings for Flared Copper Tubes B40.100-98 . Pressure Gauges and Gauge Attachments C. American Society for Testing and Materials (ASTM): A123-97 Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products A148M-03 . Standard Specifications for Steel Castings A242-00

15、 Standard Specifications for High Strength Low Alloy Structural Steel AASHTO No. M161 A307-02 Standard Specifications for Carbon Steel Bolts and Studs, 60,000 psi Tensile Strength A536-04 Standard Specifications for Ductile Iron Castings B61-02 . Steam or Valve Bronze Castings B62-02 . Composition B

16、ronze or Ounce Metal Castings B88-02 . Seamless Copper Water Tube B828 . Standard Practice: Soldering and Brazing Copper Tube and fittings C32-04 . Sewer and Manhole Brick (Made from Clay or Shale) C139-03 Concrete Masonry Units for Construction of Catch Basins and Manholes D1784-03 . Standard Speci

17、fications for Rigid PVC Compounds and CPVC Compounds D1869-00 . Standard Specifications for Rubber Rings for Asbestos Cement Pipe D2464-99 . Standard Specifications for Threaded PVC Pipe Fittings, Schedule 80 D2467-02 . Standard Specifications for Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, S

18、chedule 80 D3139-98 . Joints for Plastic Pressure Pipes Using Flexible Elastomeric Seals F477-02e1 Elastomeric Seals (Gaskets) for Joining Plastic Pipe Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-10 33 10 00 - 4 C32-04 . Standard Specification

19、s for Sewer Manhole Brick D. American Water Works Association (AWWA): B300-04 Hypochlorites B301-04 Liquid Chlorine C104-04 Cement Mortar Lining for Ductile Iron Pipe and Fittings for Water C105-99 Polyethylene Encasement for Gray and Ductile C.I. Piping for Water and Other Liquids C110-03 Ductile-I

20、ron and Gray-Iron Fittings, 80 mm (3 Inches) Through 1200 mm (48 Inches) for Water and Other Liquids C111-01 Rubber-Gasket Joints for Ductile-Iron and Gray-Iron Pressure Pipe and Fittings C115-99 Flanged Ductile-Iron and Gray-Iron Pipe with Threaded Flanges C150-02 American National Standard for Thi

21、ckness Design of Ductile Iron Pipe C151-96 Ductile-Iron Pipe, Centrifugally Cast in Metal Molds or Sand-Lined Molds, for Water or Other Liquids C153-00 Ductile-Iron Compact Fittings, 80 mm (3 inches) Through 300 mm (12 Inches) for Water and Other Liquids C500-02 Gate Valves for Water and Sewerage Sy

22、stems C502a-95 . Dry-Barrel Fire Hydrants C503-97 Wet-Barrel Fire Hydrants C508-01 Swing Check Valves for Waterworks Service, 2 Inches (50 mm) Through 24 Inches (600mm) NPS C509-01 Resilient Seated Gate Valve for Water and Sewage System C510-97 Double Check Valve Back-Flow Prevention Assembly C511-9

23、7 Reduced Pressure Principle Back-Flow Prevention Assembly C550-01 Protective Epoxy Interior Coatings for Valves and Hydrants C600-01 Installation for Ductile-Iron Water Mains and Their Appurtenances C605-94 Underground Installation of Polyvinyl Chloride (PVC) Pressure Pipe and Fittings for Water C6

24、51-92 Disinfecting Water Mains C800-01 Underground Service Line Valves and Fittings Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-10 33 10 00 - 5 C900-97 Polyvinyl Chloride (PVC) Pressure Pipe, 4 Inches Thru 12 Inches, for Water C905-97 Polyviny

25、l Chloride (PVC) Pressure Pipe 14 Inches Thru 36 Inches E. National Fire Protection Association (NFPA): 24-95 Installation of Private Fire Service Mains and Their Appurtenances 291-01 . Fire Flow Testing and Marking of Hydrants 1141-98 Fire Protection in Planned Building Groups F. NSF International:

26、 14-03 Plastics Piping Components and Related Materials 61-02 Drinking Water System Components-Health Effects (Sections 1-9) G. American Welding Society (AWS): A5.8-04 Brazing Filler Metal H. Foundation for Cross-Connection Control and Hydraulic Research-2005 I. Copper Development Associations Coppe

27、r Tube Handbook-2005 PART 2 - PRODUCTS SPEC WRITER NOTE: Make material requirements agree with applicable requirements specified in the referenced Applicable Publications. Update and specify only that which applies to the project. 2.1 DUCTILE IRON PIPE AND FITTINGS: A. Ductile iron pipe, direct buri

28、ed: 1. Provide ductile iron pipe conforming to the requirements of AWWA C151, Pressure Class 350 for Pipe 100 mm through 300 mm (4 inches through 12 inches) in diameter and 250, minimum for pipe larger than 300 mm (12 inches) in diameter, with standard thickness cement mortar lining interior, and in

29、terior asphaltic seal coat and exterior asphaltic coating, in accordance with AWWA and ANSI Standards. 2. Below Grade: Supply pipe in lengths not in excess of a nominal 6 m (20 feet) with rubber ring type push-on joints, mechanical joint or approved restrained joint. Provide flange joint pipe where

30、shown on the drawings. Provide mechanical and restrained joint pipe with sufficient quantities of accessories as required for each joint. 3. When a polyethylene encasement over pipe, fittings, and valves is a requirement as indicated on the drawings, the material, installation and workmanship shall

31、conform to applicable sections of AWWA C105. Make provisions to keep the polyethylene from direct exposure to Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-10 33 10 00 - 6 sunlight prior to installation. Backfill following installation without d

32、elay to avoid exposure to sunlight. B. Ductile Iron Pipe Above Grade or in Below Ground Concrete Pits: 1. Flanged ductile iron pipe, AWWA C115, with factory applied screwed long hub flanges except as otherwise specified hereinafter. Face and drill flanges after being screwed on the pipe, with flange

33、s true to 90 degrees with the pipe axis and flush with end of pipe, ANSI B16.1, 850 kPa (125 psi) or 1725 kPa (250 psi) standard, for the purpose intended. 2. Wall Sleeve Castings: Size and types shown on the drawings and be hot dipped galvanized. Seal strips, where required shall be Link Seal as ma

34、nufactured by Thunderline Corp., Wayne, Michigan or equal. 3. Pipe Thickness Class: Minimum of Class 53 as defined in AWWA C150 for all sizes of flanged pipe. 4. Rubber Ring Gaskets: Full face type, AWWA C111, 2 mm (1/16 inch) rubber ring gaskets and of approved composition suitable for the required

35、 service. 5. Pipe and fittings exposed to view in the finished work are to be painted in accordance with Section 09 91 00, PAINTING. Pipe shall not receive the standard tar or asphalt coat on the outside surfaces but shall be shop primed on the outside with one coat of Kop-Coat No. 621 Rust Inhibiti

36、ve Primer or equal. Paint color shall match the wall color. 6. Bolts and Nuts on Flanged Fittings: Grade B, ASTM A307. Low alloy, high strength steel in accordance with AWWA C111. Assemble stainless steel bolts and nuts using anti-seize compound to prevent galling. C. All Pipe Fittings: Ductile iron

37、 with a minimum pressure rating of 2400 kPa (350 psi). Fittings shall meet the requirements of ANSI and AWWA specifications as applicable. Rubber gasket joints shall conform to AWWA C111 for mechanical and push-on type joints. Ball joints shall conform to AWWA C151 with a separately cast ductile iro

38、n bell conforming to ASTM A148. Flanged fittings shall conform to AWWA C115 and be furnished flat faced and drilled to 850 kPa (125 psi) or 1725 kPa (250 psi) template in accordance with ANSI B16.1 with full faced gaskets. D. Provide cement mortar lining and bituminous seal coat on the inside of the

39、 pipe and fittings in accordance with AWWA C104. Provide standard asphaltic coating on the exterior. E. Provide a factory hydrostatic test of not less than 3.5 MPa (500 psi) for all pipe in accordance with AWWA C151. F. Provide non-detectable adhesive backed identification tape on top and sides of a

40、ll buried ductile iron pipe, extended from joint to joint Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-10 33 10 00 - 7 along the length of the pipe and have black lettering identifying the pipe service at no more than 300 mm (12 inch) intervals

41、. According to service, the tape background color shall be as follows: / force main/sanitary-green; / potable water-blue; / reclaimed water-lavender. / 2.2 POLYVINYL CHLORIDE PIPE AND FITTINGS: A. Class-Rated Polyvinyl Chloride (PVC) Pipe: 1. PVC pipe and accessories 100 mm to 356 mm (4 inches14 inc

42、hes) in diameter, AWWA C900 “Polyvinyl Chloride (PVC) Pressure Pipe”, Class 200, DR 14, cast iron outside diameters, unless otherwise shown or specified. 2. PVC pipe and accessories 400 mm (16 inches) or larger, AWWA C905, “Polyvinyl Chloride Water Transmission Pipe”, Class 235, DR 18, cast iron out

43、side diameters unless otherwise shown or specified. Pipe and accessories shall bear the NSF mark indicating pipe size, manufacturers name, AWWA and/or ASTM Specification number, working pressure and production code. Pipe and couplings shall be made in accordance with ASTM D1784. 3. PVC Pipe and Acce

44、ssories Smaller than 100 mm (4 inches): Schedule 80, meeting the requirements of ASTM D-1785, Type 1, Grade 1. All exposed piping shall be CPVC meeting requirements of ASTM F441. B. Joints: 1. Pipe 75 mm (3 inches) and Greater in Diameter: Push-on type with factory installed solid cross section elas

45、tomeric ring meeting the requirements of ASTM F-477. 2. Pipe Less Than 75 mm (3 inches) in Diameter: Threaded (ASTM D-2464) or solvent welded (ASTM 2467). Use Teflon tape or liquid Teflon thread lubricant approved for use on plastic on all threaded joints. C. Fittings: 1. Class-Rated Pipe 75 mm (3 i

46、nches) in Diameter and Greater: Ductile iron with mechanical joints conforming to the requirements of AWWA C153. 2. For Schedule 80 Pipe less than 75 mm (3 inches) in Diameter: Threaded or solvent weld. Threaded PVC fittings shall conform to ASTM D2464. CPVC fittings shall conform to ASTM F437 for t

47、hreaded fittings and ASTM F439 for solvent weld fittings. 2.3 COPPER PIPE AND TUBING: Copper Piping: ASTM B88, Type K, or Type L with flared fittings in accordance with AWWA C800, with sweat cast brass fittings per ANSI B16.18. Use brazing alloy, AWS A5.8, Classification BCuP. 2.4 VALVES: Provided b

48、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-10 33 10 00 - 8 A. Asbestos packing is not allowed. B. Gate: 1. 75 mm (3 inches) and Larger: Resilient seated, ductile iron body, bronze mounted, inclined seats, non-rising stem type turning counter-clockwise

49、to open, 1375 kPa (200 pound) WOG. AWWA C509. The resilient seat shall be fastened to the gate with stainless steel fasteners or vulcanizing methods. The interior and exterior shall be coated with thermo-setting or fusion epoxy coating in accordance with AWWA C550. 2. Operator: a. Underground: Except for use with post indicators, furnish valves with 50 mm (2 inch) nut for