(A) The size, slope, depth and alignment, of the building sewer shall be subject to the approval of the Superintendent and the Illinois Plumbing Code, latest edition. In no case shall the inside diameter of the building sewer be less than four inches. If six-inch diameter pipe is used, the slope shall not be less than one-eighth inch per foot. If four-inch or five-inch diameter pipe is used, the slope shall not be less one-fourth inch per foot. The depth of the building sewer shall be sufficient to afford protection from frost. Building sewer lines must be witnessed by Sangamon County Water Reclamation District (SCWRD). The building sewer shall be laid at a uniform grade and in straight alignment, insofar as possible. Changes in direction shall be made only with properly curved pipe and fittings, unless the break in alignment is made at a manhole facilitating servicing. Installation shall be in accordance with Standard Specifications for Water and Sewer Main Construction in Illinois, and Illinois Plumbing Code, latest edition.
(B) All building sewer shall be constructed of materials approved by the village. Generally all building sewer shall be constructed of the following materials:
(1) Ductile iron pipe; and
(2) PVC solid wall plastic pipe (six-inch diameter maximum) SDR-35 (minimum).
(C) All pipe joints must be gas-tight and water-tight and are subject to the approval of the village. Transition joints from one pipe material to another shall be made using fittings manufactured for such transitions.
(2009 Code, § 39-4-27) (Ord. 92-3, passed 5-11-1992)