A. All service pipes extending from the corporation cock to the meter shall be of copper or one hundred sixty (160) psi plastic/poly. All copper pipe used in such service installations shall be made of the weight known as "extra strong". (1993 Code p. 56 § 403.1-5; p. 64 § 403.4-11; amd. 2006 Code)
B. A four inch (4") main shall receive no larger than a five- eighths inch (5/8") tap; a six inch (6") main shall receive no larger than a three-fourths inch (3/4") tap; and no tap in any main shall be larger than one inch (1"). Where larger connections are required, two (2) or more taps of the above size may be made and staggered along the main. All taps shall be at least twenty four inches (24") apart, and no tap shall be made within twelve inches (12") of a joint in mains. The corporation cock tapped into the main shall be one-eighth inch (1/8") smaller than the service pipe therefrom. (1993 Code p. 64 § 403.4-12)
C. Interior plumbing may be of such kind as the applicants desire but must withstand a pressure of one hundred (100) pounds to the square inch and be subject to the inspection of the superintendent and approved by him before the water will be turned on. (1993 Code p. 56 § 403.1-6; p. 64 § 403.4-13)
D. In all new plumbing where self-closing cocks are installed, air chambers must be provided for each outlet, which air chambers must be of standard size for the outlet. (1993 Code p. 64 § 403.4-14)
E. There shall be a stop and waste cock with lever handle attached to every supply pipe at the point where it enters a building so as to allow the water to be shut off in freezing weather and the pipes drained. (1993 Code p. 64 § 403.4-15)