(a) All residence service lines shall be a minimum pipe diameter of six inches from the wye to the property line and four inches from the property line to a point no farther than three feet from the point where the line enters the structure. The pipe and joint materials shall be as described in Sections 925.21 and 925.22.
(b) The minimum grade of residence service lines shall be one-fourth inch per foot.
(Ord. 90-5835. Passed 8-14-90.)