(A) A building court main sewer shall be not less than six inches in diameter and shall be laid at uniform grade and in straight alignment; a standard riser shall be installed at the end of all building court mains.
(B) A building court main serving not more than ten dwelling units or the equivalent shall be connected to the public sewer at a wye branch. Cleanouts shall be installed as required.
(C) A building court main serving more than ten dwelling units or the equivalent shall have installed in the following locations:
(1) A manhole at the connection to the public sewer;
(2) A manhole at any change in direction or grade; and
(3) A manhole at intervals not to exceed 350 feet.
(D) Five sets of drawings prepared by a registered civil engineer showing plan and profile of the proposed installation shall be submitted for approval. Grades for building court main sewers shall be staked by a registered civil engineer in accordance with the approved drawings.
(E) Building courthouse sewers shall meet the requirements for house sewers.
(1995 Code, § 7.20.320) (Ord. 17-03, passed 3-21-2017; Ord. 15-02, passed 5-5-2015)