§ 53.07. STANDARDS FOR STRENGTH, SIZE AND THE LIKE.

(A) The building sewer pipe and fittings shall be made of extra strength vitrified clay sewer pipe, extra heavy cast iron soil pipe or P.V.C. plastic pipe meeting the current American Society for Testing and Materials (A.S.T.M.) or Department of Commerce specifications. If installed in filled or unstable ground, the building sewer shall be of cast iron soil pipe, except that vitrified clay or P.V.C. pipe may be used if laid on a suitable improved bed or cradle approved by the Inspector. Other materials may be used if approved by the agency of the state charged with the duty of approving materials.

('82 Code, § 3.351)

(B) (1) All joints and connections shall be made gas tight and water tight. Vitrified clay sewer pipes shall be in conformance with the latest A.S.T.M. specifications. Before joining the pipe in the trench, the ball and spigot surfaces shall be wiped free of dirt and other foreign matter. The spigot end shall be positioned into the bell end of pipe previously laid and shall then be shoved home to assure a tight fit. Joints for cast iron soil pipes shall be rubber ring or equal in conformance with the latest A.S.T.M. specifications.

(2) A P.V.C. sewer pipe shall be a solvent weld joint in accordance with the manufacturer's instructions.

('82 Code, § 3.352)

(C) The size and slope of the building sewer shall be subject to the approval of the Inspector, but in no event shall the diameter be less than four inches. The slope of the pipe shall be not less than - inch per foot. A slope of ¼-inch per foot shall be used wherever practical.

('82 Code, § 3.353)

(D) All excavations required for the installation of the building sewer shall be open trench work unless otherwise approved by the Inspector.

('82 Code, § 3.354)

(E) Whenever possible, the building sewer shall be brought to the building at an elevation below the basement floor. The depth shall be sufficient to afford protection from frost.

('82 Code, § 3.355)

(F) Pipe laying and backfill shall be performed in accordance with A.S.T.M. specifications. No backfill shall be placed until the work has been inspected and approved by the Inspector.

('82 Code, § 3.356)

(G) In any buildings in which the building drain is too low to permit gravity flow to the public sewer, sanitary sewage carried by the drain shall be lifted by artificial means approved by the Inspector and discharged to the building sewer. No water operated sewage ejector shall be used.

('82 Code, § 3.357)

(H) The connection of the building sewer into the public sewer shall be made at the “Y” branch designated for that property, if the branch is available at a suitable location. Any connection not made at the designated “Y” branch in the main sewer shall be made only as directed by the Inspector.

('82 Code, § 3.358) Penalty, see § 10.99