(a) Gas piping and gas appliances in buildings shall be installed in accordance with standard safe practice. (b) Installation of gas piping and appliances for domestic and commercial uses, in accordance with the Standards of the National Board of Fire Underwriters for the Installation of Gas Piping and Gas Appliances in Buildings (Pamphlet No. 54) […]
(a) Where the pressure of gas supplied to domestic, commercial or other low pressure gas piping systems in buildings is in excess of one pound per square inch, an approved gas pressure regulator of sufficient size shall be installed in the service pipe of each such system to prevent pressure in excess of one pound […]
Where gas piping enters a building through a wall or floor of masonry or concrete any gas pipe or other nearby pipes entering the same wall or floor shall be suitably sealed against the entrance of water or gas.
Approved means for shutting off the flow of gas from outside the building shall be provided on every gas service pipe 2 inches or larger in diameter or which supplies gas at a pressure in excess of one pound per square inch. Outside gas shut-off cocks or valves shall be located so as to be […]
