(A) The size, slope, alignment, and materials of construction of a building sewer and the method used in excavating, placing of the pipe, jointing, testing, and backfilling the trench shall all conform to the requirements of the Building Code and Plumbing Code, being located in M.S. Chapter 346B, or other applicable rules and regulations. In the absence of code provisions, or in amplifications thereof, the materials and procedures set forth in appropriate specifications of the Water Pollution Control Federation (W.P.C.F.) Manual of Practice No. 9 and the American Society for Testing Materials (A.S.T.M.) standards shall apply.
(B) Whenever possible, the building sewer shall be brought to the building at an elevation below the basement floor. In all buildings in which any building drain is too low to permit gravity flow to the public sewer, such building drain shall be provided with a lifting device by an approved means and discharged to the building sewer.
(C) No person shall make connection of roof downspouts, roof drains, exterior foundation drains, areaway drains, or other sources of surface runoff or groundwater to a building sewer or building drain which, in turn, is connected directly or indirectly to a public sanitary sewer.
(D) The construction of the building sewer and its connection into the public sewer shall conform to the requirements of the State Plumbing Code, being M.S. §§ 326B.41 et seq., the sewer specifications included herein, and other applicable rules and regulations and procedures adopted by the city. All such construction shall be made gas-tight and water-tight. Any deviation from the prescribed procedures and materials must be approved by the city prior to installation.
(Prior Code, § 52.31) Penalty, see § 52.99