Every service pipe shall be laid with sufficient bend to allow not less than 1 foot of extra length and in such manner as to prevent rupture by settlement. The service pipe shall be placed not less than 6 feet below the surface and be so arranged as to prevent rupture by freezing. A shut-off or other stop cock with waste valve of the size and strength required shall be placed close to the inside wall of the building and be well protected from freezing. Copper tubing and HDPE tubing shall be used for all services of 2 inches or less. Joints on copper tubing shall be as few as possible, and not more than 1 joint shall be used for a service up to 70 feet in length. Each joint shall be left uncovered until inspected by the city. Connections with the mains for domestic supply shall be at least 1 inch.
(Prior Code, § 402.03)