Only cast iron house drain service pipe shall be used. Said pipes shall not be less than four inches in diameter and shall extend for a distance not less than 18 inches beyond the outside of the building wall. House drain service pipe shall run in as direct a line as possible, with not less than one-fourth inch pitch per foot. A clean out shall be constructed at the end of each branch off, at each 90 degree bend, and at every 40 feet of such pipe.
(Ord. 2015-033, passed 11-10-2015)