Customer Piping

(1) Each customer’s piping system shall be tested for leaks before service is turned on. (a) Pressure Test. 1. If local authorities do not require a pressure test of a customer’s piping, as set forth in American Standard Installation of Gas Appliances and Gas Piping, ASA Z21.30, 1964, the utility shall advise the customer that his/her plumber shall conduct the aforementioned test. (b) Leakage Test. 1. Before permitting the use of gas at any location, the piping system shall be tested for leakage by a method at least equal to that described in Section “Leakage Check After Gas Turn On,” in the latest edition of the American Standard Installation of Gas Appliances and Gas Piping, ASA Z21.30.