Int. No. 217
By Council Member Spigner; also Council Member O'Donovan
A Local Law to amend the administrative code of the city of New York, in relation to allowing the use of buried plastic piping for distribution of natural gas.
Be it enacted by the Council as follows:
Section 1. Section P115.7 of reference standard RS-16 is amended as follows:
P115.7 Gas Piping Material and Fittings. - (a) Piping materials and piping joints. All materials used in gas distribution piping systems [operating at 1/2 psig or less] shall be in accordance with department of buildings' requirements and [ANSI Z223.1.1974, National Fuel Code] ANSI Z223.1/NFPA-54-1992, National Fuel Gas Code, except [for the following modifications:
(1) Screwed] screwed fittings shall not be used for pipe size above 4 inches in diameter (see section P115.8(e) for distribution piping pressures over 1/2 psig).
[(2) Delete paragraph 1.2.6.1(c) of this standard and substitute: "Plastic pipe, tubing and fittings shall not be used for gas distribution or meter piping."]
[(b) All materials used in gas distribution piping systems having a gas pressure above 1/2 psig shall conform to ANSI-B31.2 1968, Fuel Gas Piping, and department of buildings requirements.
(c)](b) All materials used in gas service piping, buried distribution piping and meter piping systems shall be in accordance with the requirements as specified by the serving utility corporation [providing the service;] and of the department of buildings.
[(d)](c) The permissible stress for gas piping shall be limited to not more than 20% of the yield strength of the piping, including all primary and secondary loads.
[(e)](d) Plastic pipe shall be limited to polyolefins and shall conform to ASTM D2513-[1976] 1991a, Thermoplastic Gas Pressure Pipe, Tubing and Fittings.
[(f)](e) The definition of plastic (noun) is a material which contains as an essential ingredient an organic substance of large molecular weight, is solid in its finished state and, at some stage of its manufacture or processing can be shaped by flow. Thermoplastic is defined as a plastic which is capable of being repeatedly softened by increase of temperature and hardened by decrease of temperature. (Formerly P115.6 renumbered and amended by L.L. 1982, No. 30, June 15; amended by L.L. 1973, No. 63, Oct. 25)
§2. This local law shall take effect immediately.
Referred to the Committee on Housing and Building.