A. Sanitary sewer improvements shall be constructed of approved materials meeting the following specifications:
1. Clay sewer pipe: ASTM C13, standard strength, or C200, extra strength;
2. Cast iron pipe: AWWA class 22;
3. PVC: ASTM D3034, SDR 35;
4. Cement: ASTM C150-52, class 1;
5. Mortar sand: Section 703, standard specifications for highway construction (Oklahoma, 1959); and
6. Brick: ASTM C62-50. (Res. 901, 5-10-1977; amd. Ord. 1311, 6-11-1991)