(A) The building sewer shall generally enter the sewer main or lateral by way of an existing “Y” or tee. In the event of absence of the “Y” or tee, the connection to the sewer main or lateral shall be made by the following methods:
(1) Installation of a manhole;
(2) Circular saw cut of sewer main by proper tools and proper installation of hub “Y” saddle or hub tee saddle in accordance with manufacturer’s recommended instructions; and
(3) Use of pipe cutter to neatly and accurately cut out the desired length of pipe for inserting a “Y” or tee fitting. Use stainless steel shear rings and band seal couplings for connecting sewer pipes together.
(B) Indiscriminate breaking of the sewer main pipe for break-in connection is expressly prohibited. The invert of the building sewer at the point of connection shall be at the same or at a higher elevation than the invert of the public sewer.