§ 13.08.110. Material specifications.

A.

That portion of the water service pipe from three-fourths' inch to two inches diameter from the water main to the meter up to one and one-half inches in size inclusive must be laid of copper pipe. The copper pipe and fittings shall be of such strength and thickness as to withstand safely a pressure of two hundred pounds per square inch.

B.

Copper pipe used in service connections shall be cold drawn seamless tubing with a proper bending temper so that a full section shall withstand being bent cold through one hundred eighty degrees without cracking on the outside of the bent portion around a pin the diameter of which is one and one-half the inside diameter of the copper pipe, The purity of the copper used shall be at least ninety-nine and nine-tenths percent and shall have a tensile strength of thirty thousand pounds per square inch with a minimum elongation one inch in four inches. The minimum weight and thickness of copper service pipe per foot length shall be as follows: Three-quarters inch, weight 0.64 pounds, thickness 0.065 inch; one inch, weight 0.838 pounds, thickness 0.065 inch; one and one-quarter inches, weight 1.036 pounds, thickness 0.065 inch; one and one-half inches, weight 1.360 pounds, thickness 0.072 inch; two inches, weight 2.062 pounds, thickness 0.083 inch; two and one-half inches, weight 2.567 pounds, thickness 0.083 inch.

C.

All joints in the lead service pipes to be of the kind termed "wiped joint."

D.

No water service pipe or tap for any building shall be less than five-eighths inch in diameter, and pipes supplying sill cocks or hydrants outside of buildings shall not be less than one-half inch in diameter.

E.

Plumbers installing water service pipes shall close the end of the pipe or fitting with a right metal plug or cap.

(Ord. 2543, 1981; Ord. 2397, 1978; prior code § 2l.2040)