- (a) Water mains to be installed below the frost level or otherwise protected to prevent freezing and should not have less than 30 inches of cover over the top of the pipe in public streets or alleys except where such depth is rendered impossible by underground obstructions or rocky or hardpan conditions.
- (b) The size, design, material, and installation of service pipes to conform to the reasonable requirements of the mutual water company; provided, however, that the minimum size of the pipe to be not less than ¾ inch nominal size. Except where services are not intended for use during freezing weather and arrangements are made to drain service pipes prior to such weather, and except at terminations in connection with the meter or water consumer's piping, all service pipes to be laid at a depth sufficient to prevent freezing.
The water supply and distribution system of a mutual water company proposing to distribute water for human consumption shall be constructed to conform with currently accepted engineering practices, and shall comply with the following construction standards where possible:
Note: Authority cited: Section 25610, Corporations Code. Reference: Section 25140, Corporations Code.