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HomeMy WebLinkAbout02169rubber gaskets. The interior surface of the bell previously laid shall be thoroughly cleansed and coated with gasket cement or lubricant as recommended by the manufacturer. After the section being laid has been carefully aligned, the joint shall be completed. Section 6.21: The first joint of pipe inside the property line shall be a tee with the branch instal3ai upward. The tee con- nection shall be of the same size as the service run. A vertical riser shall be installed in the tee after testing the side sewer as outlined in Article VIII. This riser shall be brought to wittin 12" of the finish grade and capped with an approved cast iron plug. The plug shall be machined to fit the standard joint of the pipe be- ing used, with the standard gasket. I£ the inspection riser is un- der a paved driveway, then it shall be brought to a point just be- neath the surface and the plug enclosed in a suitable cleanout casting and cover. Section 6.22: The connection to the cast iron pipe at the building shall be suitable rubber gasket sleeve or adaptor. Grout joints will not be allowed. In exceptional cases, the superintend- ent may allow a connection using a hot pour jointing material JC 60 or approved equal. Section 6.23: Backfill of the trench shall be done in a manner which will prevent damage to the pipe. All Backfill between the sewer main and private property line, where applicable, shall be water settled or mechanically tamped in a manner approved by the superintendent. Section 6.24: Parallel water and sewer lines, wherever possible, shall be laid at least 10 fmt apart horizontally. Wherever it is necessary for sewer and water lines to cross each other, the crossing shall be made at an angle of approximately 900, and the sewer shall be located three of more feet below the water line if possible. Section 6.25: Where physical conditions render compliance with the foregoing provisions of this article impracticable, the -13- a�