VA FED H-08-1 SEC 02531-2002 SANITARY SEWER SYSTEM《下水道系统》.pdf

1、11-02M 02531-1 SECTION 02531 SANITARY SEWER SYSTEM SPEC WRITER NOTE: 1. Delete between /_/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. 2. References to pressure in this section are gage pressure unless otherwise not

2、ed. PART 1 - GENERAL 1.1 DESCRIPTION: Outside, underground sanitary sewer system, complete, ready for operation, including all gravity flow lines / pressure (force) lines / manholes, cleanouts, frames, covers, structures, appurtenances, and connections to new building and structure, service lines, e

3、xisting sanitary sewer lines, and existing sanitary structures, and all other incidentals. 1.2 RELATED WORK: A. Maintenance of Existing Utilities: Section 01010, GENERAL REQUIREMENTS. B. Excavation, Trench Widths, Pipe Bedding, Backfill, Shoring, Sheeting, Bracing: Section 02200, EARTHWORK. C. Concr

4、ete Work Reinforcing, Placement and Finishing; Section / 03300 / 03301 /, CAST-IN-PLACE CONCRETE. D. Fabrication of Steel Ladders: Section 05500, METAL FABRICATIONS. E. Protection of Materials and Equipment: Section 15050, BASIC METHODS AND REQUIREMENTS (MECHANICAL). /F. Sanitary Sewer Pumping Facil

5、ities, Division 15, Mechanical. 1.3 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 products of one manufacturer. 2. Nameplates: Nameplate bearing manufacturers name, or identifi

6、able trademark, securely affixed in a conspicuous place on equipment, or name or trademark cast integrally with equipment, stamped, or otherwise permanently marked on each item of equipment. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-02M 0253

7、1-2 B. Comply with the rules and regulations of the Public Utility having jurisdiction over the connection to Public Sanitary Sewer lines and the extension, and/or modifications to Public Utility Systems. 1.4 SUBMITTALS: A. Submit in accordance with Section 01340, SAMPLES AND SHOP DRAWINGS. B. Manuf

8、acturers Literature and Data: Submit the following as one package: 1. Pipe, Fittings, and, Appurtenances. 2. Jointing Material. 3. Manhole and Structure Material. 4. Frames and Covers. 5. Steps and Ladders. /6. Gate Valves. / /7. Valve Boxes. / /8. Check Valves. / /9. Air Release Valves. / /10. Acid

9、 Neutralization Tanks. / 1.5 APPLICABLE PUBLICATIONS: A. The publications listed 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 Society for Testing and Materials (ASTM): A48-94Gray Iron Castings

10、 A536-84.Ductile Iron Castings A615-00.Deformed and Plain-Billet Steel Bars for Concrete Reinforcement A625-98.Tin Mill Products, Black Plate, Single Reduced A746-99.Ductile Iron Gravity Sewer Pipe C12-98Installing Vitrified Clay Pipe Lines C76-99Reinforced Concrete Culvert, Storm Drain and Sewer Pi

11、pe C139-95.Concrete Masonry Units for Construction of Catch Basins and Manholes C150-99.Portland Cement C425-00.Compression Joints for Vitrified Clay Pipe and Fittings C478-97.Precast Reinforced Concrete Manhole Sections Provided by IHSNot for ResaleNo reproduction or networking permitted without li

12、cense from IHS-,-,-11-02M 02531-3 C700-00.Vitrified Clay Pipe, Extra Strength, Standard Strength, and Perforated C828-98.Low-Pressure Air Test of Vitrified Clay Pipe Lines C857-95.Minimum Structural Design Loading for Underground Pre-cast Concrete Utility Structures D698-91.Laboratory Compaction Cha

13、racteristics of Soil Using Standard Effort (2,400 ft-lbf/ft3 (600 kN-m/m3) D2321-89Underground Installation of Flexible Thermoplastic Sewer Pipe (Rev A) D2412-96Determination of External Loading Characteristics of Plastic Pipe by Parallel Plate Loading D2992-96Practice for Obtaining Hydrostatic or P

14、ressure Design Basis for “Fiberglass” (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe and Fittings D3034-98Type PSM Poly (Vinyl Chloride) (PVC) Sewer Pipe and Fittings D3212-96Joints for Drain and Sewer Plastic Pipes Using Flexible Elastomeric Seals D3261-97Butt Heat Fusion Polyethylene (PE) Plast

15、ic Fittings for Polyethylene (PE) Plastic Pipe and Tubing D3350-99Polyethylene (PE) Plastics Pipe and Fittings Materials F477-99.Elastomeric Seals (Gaskets) for Joining Plastic Pipe F679-00.Poly (vinyl chloride) (PVC) Large-Diameter Plastic Gravity Sewer Pipe and Fittings F714-97.Polyethylene (PE) P

16、lastic Pipe (SDR-PR) Based on Outside Diameter F794-99.Poly (Vinyl Chloride)(PVC) Ribbed Gravity Sewer Pipe and Fittings Based on Controlled Inside Diameter Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-02M 02531-4 F894-98.Polyethylene (PE) Larg

17、e Diameter Profile Wall Sewer and Drain Pipe F949-99.Poly (Vinyl Chloride) (PVC) Corrugated Sewer Pipe with Smooth Interior and Fittings C. American Water Works Association (AWWA): C105-99.Polyethylene Encasement for Ductile Iron Pipe Systems C110-98.Ductile-Iron and Gray-Iron Fittings, 80 mm (3 inc

18、hes) Through 1200 mm (48 inches) for Water and Other Liquids C111-95.Rubber Gasket Joints for Ductile Iron Pressure Pipe and Fittings C116-98.Protective Fusion-Bonded Epoxy Coatings for the Interior and Exterior Surfaces of Ductile Iron Pipe and Gray Iron Fittings for Water Supply Service C151-96.Du

19、ctile-Iron Pipe, Centrifugally Cast In Metal Molds or Sand-Lined Molds, for Water or other Liquids C153-94.Ductile Iron Compact Fittings, 76 mm Through 610 mm (3 Inches Through 24 Inches) and 1,400 mm Through 1,600 mm (54 Inches Through 64 Inches) C508Swing Check Valves for Waterworks, 2 inches (50

20、mm) Through 24 inches (600 mm) C509-94.Resilient Seated Gate Valves for Water and Sewerage Systems C512-99.Air Release, Air/Vacuum, and Combination Air Valves for Waterworks Service C550-90.Protective Epoxy Interior Coatings for Valves and Hydrants C600-99.Installation for Ductile-Iron Water Mains a

21、nd Their Appurtenances C605-94.Underground Installation of Polyvinyl (PVC) Pressure Pipe and Fittings for Water Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-02M 02531-5 C900-97 Polyvinyl Chloride (PVC) Pressure Pipe, 100 mm (4 inches) Through 3

22、00 mm (12 inches) for Water Distribution C905-97.Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 350 mm Through 1,200 mm (14 Inches Through 48 Inches), for Water Transmission and Distribution C906-99.Polyethylene (PE) Pressure Pipes and Fittings, 100 mm Through 1575 mm (4 Inches Thro

23、ugh 63 Inches), for Water Distribution D. American Association of State Highway and Transportation Officials (AASHTO): M198B-98Joints for Circular Concrete Sewer and Culvert Pipe Using Flexible Watertight Gaskets E. Uni-Bell PVC Pipe Association: Uni-B-6-98Recommended Practice Low Pressure Air Testi

24、ng of Installed Sewer Pipe PART 2 - PRODUCTS SPEC WRITER NOTE: Update material requirements to agree with applicable requirements (types, grades, classes, and other related items) specified in the referenced Applicable Publications. Where installation requires extra strength on higher class pipe, ad

25、just the following: 2.1 PIPING: A. Gravity Flow Lines (Pipe and Fittings): 1. Vitrified Clay: Pipe and fittings shall conform to ASTM C700, extra strength, with gasketed bell and spigot end joints. Joints on the pipe and fitting shall conform to ASTM C425. 2. Polyvinyl Chloride (PVC): a. Pipe and Fi

26、ttings, 100 to 375 mm (4 to 15 inches) in diameter, shall conform to ASTM D3034, Type PSM, / SDR 35 / SDR 26 /. Pipe and fittings shall have elastomeric gasket joints providing a watertight seal when tested in accordance with ASTM D 3212. Gaskets shall conform to ASTM F 477. Solvent welded joints sh

27、all not be permitted. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-02M 02531-6 b. Pipe and fittings, 450 to 900 mm (18 to 36 inches) in diameter, shall be solid wall or have a corrugated or ribbed exterior profile and a smooth interior. Pipe sh

28、all conform to the following: 1) Pipe and fittings shall conform to ASTM F949 corrugated sewer pipe with a smooth interior. The corrugated outer wall shall be fused to the smooth interwall at the corrugation valley. Pipe and fitting shall have a smooth bell, elastomeric joints conforming to ASTM D 3

29、212, and shall have a minimum pipe stiffness of 350 kPa (50 psi) at 5 percent deflection, when tested in accordance with ASTM D 2412. Corrugation shall be perpendicular to the axis of the pipe to allow gaskets to be installed on field cut sections of pipe without the requirement for special fittings

30、. 2) Ribbed wall PVC pipe and fittings shall conform to ASTM F794 ribbed sewer pipe with smooth interior pipe and fittings shall have a smooth bell, elastomeric joints conforming to ASTM D 3212,and shall have a minimum pipe stiffness of 320 kPa (46 psi) when tested in accordance with ASTM D 2412, at

31、 5 percent vertical deflection. Joints shall not leak at 7.6 m (25 feet) of head under 5 percent deflection. 3) Solid wall pipe and fittings shall conform to ASTM F 679, / SDR 35 / SDR 26 / pipe and fittings shall gaskets conforming to ASTM F 477, and shall be able to withstand a hydrostatic pressur

32、e of 345 kPa (50 psi). 3. Ductile Iron Pipe (DIP) for Sanitary Sewer: Shall conform to ASTM A746, thickness Class 51 unless otherwise shown or specified. Joints on pipe and fittings shall be push-on style and conform to AWWA C110 and AWWA C111, rated for 1.03 MPa (150 psi). Exterior coating shall be

33、 approximately 0.025 mm (1 mil) asphaltic coating as specified in ASTM A 746. Interior lining shall be a catalyzed coal tar epoxy, having a minimum thickness of 0.60 mm (24 mils), a permeability rating of 0.13 perms, direct impact rating of 11.3 Nm (100 in-lbs), an abrasion resistance of 20 liters o

34、f sand per mil, and dielectric strength of 250 volts per mil. Pipe and fittings shall be Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-02M 02531-7 polyethylene encased with 0.20 mm (8 mil) polyethylene sheeting per AWWA C 105. Color of polyethyl

35、ene encasement shall be green. 4. High density polyethylene (HDPE) pipe and fittings 450 mm to 900 mm (18 inches to 36 inches) shall conform to ASTM F 894. Pipe and fittings shall have a smooth interwall and profile exterior, and be Class / 40 / 63 / 100 / 160 / as noted on the drawings /. Joints sh

36、all be water tight elastomer gaskets in accordance with ASTM D 3212, or thermal welded joints. SPEC WRITER NOTE: Use fiberglass pipe for secondary containment for acid waste if required by local code. B. Gravity flow lines with secondary containment (pipe and fittings): 1. Piping systems conveying h

37、azardous materials shall be constructed with a watertight primary (carrier) pipe completely enclosed within a watertight secondary (containment) pipe. 2. Fiberglass Piping and Fittings: Shall be manufactured in accordance with ASTM D2992 using a filament- winding process. Joints shall be adhesive bo

38、nded straight or tapered spigot and bells. Taper angles shall not be greater than 0.5 degrees. The pipe and fittings shall have an integral epoxy resin-rich reinforced liner not less than 0.50 mm (0.020 inch) for carrier pipes, and not less than 0.25 mm (0.010 inch) for containment pipe. 3. The carr

39、ier pipe shall be installed with manufactured spacers to maintain a minimum interstitial space of 19 mm (0.75 inch) between the carrier pipe and the containment pipe. 4. The piping shall be equipped with adequate monitoring ports to detect the presence of fluids within the containment pipe and for t

40、he extraction of fluids from the containment pipe. C. Pressure (Force) Lines (Pipe and Fittings): 1. All pipe and fittings used in the construction of force mains shall be rated for a minimum of 1035 kPa (150 psi) / _ psi /. 2. Ductile Iron: Pipe shall conform to AWWA C151 and C111 with polyethylene

41、 lining. Flange joints shall conform to AWWA C115. Lining shall be heat-fused mechanical bond polyethylene having a dielectric strength of 250 volts per mil when fully cured. Lining shall be holiday tested in accordance with AWWA C116. The lining shall be a Provided by IHSNot for ResaleNo reproducti

42、on or networking permitted without license from IHS-,-,-11-02M 02531-8 minimum of 1 mm (40 mil) in the barrel of the pipe, and a minimum of 0.25 mm (10 mil) on the bell and spigot area of the pipe. The lining shall be repaired at all field cuts per the manufacturers recommendations. Joints shall be

43、conformed to AWWA C116. Pipe shall be polyethylene encased per AWWA C105. 3. Ductile iron fittings shall comply with AWWA C110 and AWWA C111. Fittings shall be polyethylene line, as specified for ductile iron pipe. Ductile iron fittings shall be polyethylene encased per AWWA C105. 4. Polyvinyl Chlor

44、ide (PVC): PVC pipe 100 mm to 300 mm (4 to 12 inches) shall conform to AWWA C900, Class 150 (DR 18) / Class 200 (DR 14) /. PVC pipe larger than 300 mm (12 inches) shall conform to AWWA C905, Class 165 (DR 25) / Class 200 (DR 21) /. Fittings for PVC pipe shall be ductile iron. 5. High Density Polyeth

45、ylene (HDPE) pipe and fittings shall be manufactured from PE 3408, high density, extra high molecular weight polyethylene melting the requirements of ASTM D 3350. Pipe shall be manufactured in accordance with ASTM F 714, and shall be / Class 160 (DR 11) / Class 200 (DR 9) /. Molded fittings shall be

46、 manufactured in accordance with ASTM D 3261 and subject to the test required under ASTM D 3261. Fabricated fittings shall be made by heat fusion jointing of machined shapes cut from pipe, sheet stock, or molded fittings. Molded and fabricated fittings shall be rated for a minimum working pressure e

47、quivalent to the pipe. Joints shall be heat fusion butt joints, flange adapters, or mechanical couplings. a. Flange adapters shall have adequate through-bore length to be clamped in a butt fusion jointing machine without the use of a stub-end holder. The sealing surface of the flanged shall be machi

48、ned with a series of V-shaped grooves to restrain the gasket against blow out. Back-up rings and flange bolts shall be rated equal to or greater than the mating pipe. All flange adapters shall be equipped with a stainless steel internal pipe stiffener. b. Mechanical couplings shall be sleeve style,

49、restrained coupling. The sleeve and gland shall be epoxy coated and lined and rated for the pressure of the mating pipe. Coupling shall be supplied with stainless steel pipe stiffeners to be installed within the pipe. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-02M 02531-9 2.2 JOINTING MATERIAL: A. Gravity Flow Lines: 1. V