Resolutions-1997-021

5. Service pipe must be either seamless annealed copper, Type K conforming to ASTM B-88, or P.E. 3408 as defined in current ASTM D2239 and AWWA C901 P.E. 200 psi. rated pipe. See Figure 7.3 for typical water service line installation. 6. Service shut-off (curb stop) shall be located in or within one foot of the public right-of-way whenever possible. Curb stops shall not be within street, sidewalk, or driveway paving whenever possible. 7.06 MATERIALS A. Ductile-Iron Pipe 1. Thickness design shall conform to AWWA C150. 2. Manufacture shall conform to AWWA C151. 3. Thickness class, unless otherwise indicated or specified, shall be Class 350. 4. Cement mortar lining shall conform to AWWA C104. 5. All ductile iron pipe 12 inches in diameter and larger shall be wrapped with an 8 ml. Polyethylene encasement in accordance with ANSI/AWWA C105/A21.5 Installation methods. 6. Use single rubber-gasket push-on joints or mechanical joints conforming to ANSI/AWWA C111/A21.11. Furnish with all necessary hardware and gaskets. 7. Bell-and-spigot pipe joints conforming to ANSI A21.6 or ANSI A21.8. 8. For bolted/restrained and mechanical joint, use Griffin Bolt-Lok restrained joint or approved equal. 9. For unbolted/restrained mechanical joint, use Griffin Snap-Lok restrained joint or approved equal. 10. Do not use drilled & tapped retainer glands. 11. Plain end of push-on pipe factory machined to a true circle and chamfered to facilitate fitting gasket. B. Polyvinyl Chloride (PVC) Pipe 1. Allowed for use in sizes 6 to 12 inch, except where noted otherwise in the specifications. 2. P.V.C. pipe design shall conform to AWWA C900 and all pipe shall have the same outside dimensions as ductile-Iron pipe. 3. Thickness class shall be DR 18 (Class 150).