(A) The size, slope, alignment, materials of construction of a building sewer 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. In the absence of code provisions or in amplification thereof, the materials and procedures set forth in appropriate specifications of the American Society of Testing Materials, Water Environment Federation Manual of Practice No. 9, and Standard Specifications for Water and Sewer Main Construction in Illinois shall apply.
(B) It is hereby prohibited to connect a sewer lateral directly into a manhole. All sewer laterals must be connected to a sewer main. Only the sewer connection to the main and no more than 20 feet of the sewer lateral shall be located in a city easement, right-of-way or on another platted lot.