The building sewer shall be cast iron soil pipe, ASTM specification (A74) or equal; or vitrified clay sewer pipe, ASTM specification (C-130) or equal. Polyvinyl chloride (PVC) pipe conforming to ASTM specifications D-2672, D-2729, D-3033, or D-3034 with joints conforming to ASTM C-2564 or D-1869 and acrylonitrile butadiene styrene (ABS) pipe conforming to ASTM D-2680 with type SC or OR joints, will be acceptable materials. Joints shall be tight and waterproof. Any part of the building sewer that is located within 10 feet of a water service pipe shall be laid in a separate trench and at such an elevation that the top of the sewer is at least 18 inches below the bottom of the water service pipe. If it is impossible to obtain a horizontal separation of at least 10 feet, and a vertical separation of at least 18 inches, as stipulated above, the sewer shall be constructed of mechanical gasketed slip-joint poly vinyl chloride or water quality pipe and be tested to assure watertightness. Cast iron pipe with leaded joints may be required by the Superintendent where the building sewer is exposed to damage by tree roots.
(1983 Code, § 21-47) (Ord. 2273, passed 10-4-1979) Penalty, see § 10.99