All plumbing, gas fitting, steam fitting, oil fitting, sheet metal work for heating, and house drainage work shall be tested and meet a test as follows:
(A) For water system, shall hold city water pressure for a period of 20 minutes without leaking;
(B) For house drainage systems within and under all buildings or structures, shall hold a cold water pressure of not less than four pounds per square inch for a period of 20 minutes without leaking, or an air pressure of ten pounds on an approved type gauge for 20 minutes;
(C) For natural gas fitting, the system shall hold an air pressure of 20 pounds on an approved type gauge for a period of 20 minutes;
(D) For liquefied petroleum (LP) gas fitting and all other manufactured gases for domestic and commercial uses, in strict accordance with the applicable manual for approved installation contained in Pamphlet No. 58, dated 1995, of the National Fire Protection Association;
(E) For steam fitting, the system shall hold cold water under city water main pressure without leaking for a period of 20 minutes;
(F) For oil fitting or liquid petroleum products, the system shall hold an air pressure of 20 pounds on an approved type gauge for a period of 20 minutes;
(G) For gas piping and venting, the system shall comply with the standards of installation contained in the 2018 National Fuel Gas Code of the National Fire Protection Association,
(H) For heating, ventilating, and cooling installations, the system shall comply with the standards of installation contained in the International Mechanical Code, dated 2018; and
(I) As further set out in §§ 4-3-142 through 4-3-154 of this article, water for conducting tests will be “jumped” at the meter loop by a suitable hose connection or union coupled connection from the house service line to the house distribution system. After the tests have been completed, the plumbing contractor, limited contractor, or his or her workers in charge shall turn the water off at the curb cock and disconnect the “jumper” connection in the presence of the Plumbing Inspector. An approved type air gauge shall not exceed 50 pounds capacity and shall be graduated in not to exceed two pound increments. All gauges may be subjected to inspection and tests by the Plumbing Inspector when there is any doubt as to the accuracy of such gauge. A fire test of gas fittings is prohibited under any circumstances.
(Ord. 4258, passed 2-1-2021)