§ 150.074 SEWER AND WATER CONNECTIONS IN SAME TRENCH.
   All sewer water connections to the city sewer and water systems, which are laid in the same trench, shall be of the following materials:
   (A)   Sewer connections shall be of cast iron pipe or P.V.C. of a quality approved by the Public Works Superintendent;
   (B)   Water connections shall be of copper tubing of a quality approved by the Public Works Superintendent.
(`89 Code, § 24.050)