The size and slope of the building sewers shall be subject to the approval of the Inspector, but in no event shall the diameter be less than four inches. The slope of one-quarter inch per foot shall be used wherever practical.
('71 Code, § 51.08(E)) (Ord. 1278, passed 7-27-65; Am. Ord. 23-82, passed 5-10-82) Penalty, see § 51.999