Section 7 1 A. Pipe And Fittings
SECTION 7 SANITARY SEWER GRAVITY COLLECTION SYSTEM
A. Pipe and Fittings
1. Polyvinyl Chloride (PVC) Sanitary Sewer Pipe and Fittings:
a) The PVC C-900 pipe shall be push-on type, with bells, spigots and elastomeric gaskets, in accordance with AWWA C900 and AWWA C905, latest revisions. Nominal laid length of PVC C900, pipe shall be 20 feet. C900 PVC pipe shall be impregnated with green pigment and double labeled (180 degrees apart) with the following at intervals of not more than five (5) feet: Date of manufacture – Manufacturer’s Name & Record Code – Nominal size – “(Cl)” – “PVC” – “Dimension Ratio (for example “DR25″)” – “AWWA pressure class (for example “PC100”)– “AWWA designation number (ANSI/AWWA C900-97)”.
b) SDR-35 Pipes: The PVC pipe shall be push-on type, with bells, spigots and elastomeric gaskets, in accordance with ASTM Standard D 3034, and in accordance with ASTM Standard D 3212, latest revisions. Joints using solvent cement will not be permitted. Nominal laid length of Type PSM SDR-35 PVC sewer pipe shall be 13 feet. Type PSM SDR-35 PVC sewer pipe shall be impregnated with green pigment and be double labeled (180 degrees apart) as follows at intervals of five (5) feet or less: Date of manufacture – Manufacturer’s name & Code – Nominal size – Cell classification – “Type PSM SDR-35 PVC Sewer Pipe” – “Specification D 3034”
2. Ductile Iron Pipes (DIP): Ductile iron sanitary sewer pipe shall be minimum Class 53 for 6-inch, Class 52 for 8-inch through 15 inch sizes, conforming to latest revisions of ANSI/AWWA Standards C151/A21.51. All ductile iron pipes shall be lined internally with 40 mils Protecto 401 ceramic epoxy, or equivalent. All ductile iron pipes shall be push on rubber gasket jointed.
3. Fittings: shall match the material used for mains.
4. Service Lateral Connections shall be water tight and not protrude into the sewer main. A sanitary wye branch connection, 6 inch diameter or larger, shall be used to connect low density residential properties to the main. All other services shall use a minimum 8 inch diameter connection and shall tie through a new manhole at the main. A saddle type wye connection shall not be used. Vitrified Clay Pipe mains shall be lined or replaced prior to connecting a new service lateral to it. All materials used to make service connections shall be compatible with each other and with the pipe materials to be joined and shall be corrosion proof.