The technical specifications shall specify the approved gravity sewer pipe and materials to be used on the project, as follows:
(a) Ductile iron pipe and fittings shall be certified by the manufacturer(s) as conforming to the following standards of the American Water Works Association (AWWA):
- (1) AWWA C151/A21.51-23 for ductile iron pipe, centrifugally cast in metal- or sand-lined molds, for water, wastewater, and reclaimed water systems, available as noted in Appendix B; and
- (2) AWWA C150/A21.50-21(R23) for thickness design of ductile iron pipe and with ASTM A536-24 for ductile iron castings, available as noted in Appendix B;
- (b) Joints shall be mechanical type, push-on type, or ball-and-socket type as appropriate for the specific application;
(c) Plastic gravity sewer pipe and fittings shall be certified by the manufacturer as complying with the standards listed in Table 704-2, below:
Table 704-2 Plastic Pipe
ASTM Standard
Generic Pipe Material
Sizes Approved
D3034-24
Polyvinyl chloride (PVC), solid wall
All diameters
F794-21
PVC, profile, dual-walled corrugated
4-inch through 48-inch
F1760-16R20
PVC, recycled, non-pressure
All diameters
- (d) Plastic sewer pipe shall have a pipe stiffness rating of at least 46 pounds per square inch at 5 percent pipe diameter deflection, as measured by the manufacturer in accordance with the ASTM D2412-21 standard, available as noted in Appendix B;
- (e) Joint seals for PVC pipe shall be oil resistant compression rings of elastomeric material and certified by the manufacturer as conforming to the ASTM D3212-21 standard, available as noted in Appendix B, and shall be push-on, bell-and-spigot type;
- (f) Concrete pipe shall be certified by the manufacturer as conforming to the AWWA C302-22 standard, available as noted in Appendix B;
- (g) Pre-stressed concrete cylinder pipe and fittings shall be certified by the manufacturer as conforming to the AWWA C301-14(R19) standard, available as noted in Appendix B; and
- (h) Joints for concrete cylinder pipe shall be made of oil resistant elastomeric material and certified by the manufacturer as conforming to the AWWA C301-14(R19) standard, available as noted in Appendix B.
Source. (See Revision Note at chapter heading for Env-Wq 700) #8590, eff 3-25-06; ss by #10693, eff 10-15-14; ss by #14258, eff 7-1-25, EXPIRES: 7-1-35