(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 1 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 ASTM and WPCF "Manual of Practice No. 9" 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, sanitary sewage carried by such building drain shall be lifted by an approved means and discharged to the building sewer.
(C) Drainage piping serving fixtures, the flood level rims of which are located below the elevation of the curb or property line, at the point where the buildings which are under the curb or property line and above the crown level of the main sewer, shall drain by gravity into the main sewer, and shall be protected from backflow of sewage by installing an approved type backwater valve, and each backwater valve shall be installed only in that branch or section of the drainage system which receives the discharge from the fixtures located below the elevation of the curb or property line.
(D) All excavating and backfilling will be completed by the customer and the area restored to its original condition. (Ord. 1357, 3-19-2019)
Notes
| 1 | 1. See title 4, chapter 1 of this Code for the Building Code. |