Vitrified clay, concrete (plain and reinforced), asbestos-cement, and cast iron are acceptable materials. Sewer main and fittings shall conform to currently dated standards of the American Society for Testing and Materials (ASTM), American Standards Association (ASA), American Waterworks Association (AWWA), or Federal Specifications (SS or WW). (Ord. 279 § 140, 1963).

The depth and location of sewer mains shall be approved by the county engineer and road commissioner. The minimum cover shall be thirty inches below finished grade and the maximum cover shall be eight feet below finished grade. The normal location of the sewer main shall be the centerline of the roadway or easement. (Ord. 279 § 141, 1963).

All manholes shall be constructed of brick, cast-in-place concrete, or precast concrete sections. Manholes shall have a minimum diameter of thirty-six inches at the base. Covers shall be metallic, twenty-two inches minimum diameter, set in metal frames, and marked with the word “sewer,” (Ord. 279 § 142, 1963).