The size, slope, alignment, materials or construction of all sanitary sewers and sewer connections, and the methods to be used in excavating, placing of the pipe, jointing, testing and backfilling the trench shall all conform to the requirements of the building and plumbing code or other applicable rules and regulations of the city and the state.
In the absence of code provisions or in amplification thereof, the materials and procedures set forth in appropriate specifications of the ASTM and WPCF Manual of Practice #9 shall apply.
(Article IV of the city's regulations of sewer use ordinance (Chapter 13.28) contains additional requirements covering the proper design and construction of the city's sanitary sewers, building sewers and connections.) (Ord. 382 § 10, 1983) .