§ 52.069. SPECIFICATIONS OF CONSTRUCTION MATERIALS.
Latest version.
(A) The building sewer shall be constructed of either of the following types of pipe meeting the current ASTM specifications:
(1) Plastic (ABS) ASTM D 1527 SDR 35;
(2) Plastic (PVC) ASTM D 1785 SDR 35;
(3) Asbestos-cement (AC) ASTM C-428 C1-2400;
(4) Cast-iron extra heavy ASTM A-74; and
(5) Nonreinforced concrete ASTM C-14 extra strength.
(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.