Ordinance 3735 - Laserfiche WebLink

at which the house drain may be discharged to the public sewer. Drains or sewers below such minimum elevation shall be lifted by artificial means. It shall be unlawful for any person to connect any basement with a City sewer without installing a backwater valve at the outlet. The effective operation of the backwater valve shall be the responsibility of the owner of the sewer or drain. Section 17. MATERIALS TO BE USED. The materials used in the construction of private sewers or drain pipes must be substantially like that used in the public sewer with which the connection is made, and no public or private sewer constructed with any cement or any tile sewer pipe shall be allowed under any buildings if such pipe is used to connect any plumbing fixtures, or used as a conductor of sewerage. The building sewer shall be cast iron soil pipe, vitrified clay sewer pipe, portland cement concrete sewer pipe, or pipe made of other suitable material approved by the City Engineer or his authorized representatives. The specifications for all pipe used shall be approved by the City Engineer or his authorized representative before such material is used. All joints shall be tight and waterproof. Section 18. RAIN WATER CONDUCTORS. All rain water con- ductors, except such conductors as are connected to tanks or cisterns for domestic use, shall be connected with the public sewer unless the public sewer is a sanitary sewer only. When rain water leaders are connected to the drainage system they shall be connected to the main horizontal house drain and shall be properly trapped and vented. Drain from roof and/or areas shall be of the capacity in accordance with square footage prescribed in the following tables: Diameter (in inches) Sq. ft. of area 2 1050 3 3150 4 6450 5 10800 6 18000 8 35700 10 58800 12 95400