(a) Each mobile home stand shall be provided with at least a four-inch diameter sewer riser pipe. The sewer riser pipe shall be located on each stand so that the sewer connection to the mobile home drain outlet will approximate a vertical position.
(b) The sewer connection from the drain outlet of the mobile home to the sewer riser pipe shall have a nominal inside diameter of at least three inches, and the slope of any portion thereof shall be at least one-fourth inch per foot. The sewer connection shall consist of one pipe line only without any branch fittings. All joints shall be watertight.
(c) All materials used for sewer connections shall be semirigid, corrosive resistant, nonabsorbent and durable. The inner surface shall be smooth.
(d) Provision shall be made for plugging the sewer riser pipe when a mobile home does not occupy the lot. Surface drainage shall be diverted away from the riser. The rim of the riser pipe shall extend at least four inches above ground elevation.
(Ord. No. 711, 11-11-69)