(A) The building sewer shall be constructed of either the following types of pipe meeting the current ASTM specifications:
(1) Plastic (ABS) ASTM D 1527;
(2) Plastic (PVC) ASTM D 3034-SDR 35;
(3) Cast Iron Extra Heavy ASTM A-74.
(B) If installed in filled or unstable ground, the building sewer shall be of cast iron extra heavy pipe, except that other types of pipe may be used if laid on a suitable improved bed or cradle as approved by the Inspector.
(Ord. 432, passed 10-11-2007)