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 minimum slope of the four-inch pipe shall not be less than 1/4 inch per foot. In the event six-inch pipe is used, the minimum slope shall not be less than 1/8 inch per foot.
(`90 Code, § 13.12.330) (Ord. 690, passed - -; Am. Ord. 969, passed - -; Am. Ord. 93-28, passed--; Am. Ord. 95-18, passed - -; Am. Ord. 2008-13, passed 4-15-2008)