1310.11 Manual Gas Shutoff Valves. An accessible gas

shutoff valve shall be provided upstream of each gas pressure regulator. Where two gas pressure regulators are installed in series in a single gas line, a manual valve shall not be required at the second regulator. [NFPA 54:7.9.1]

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place.

Main gas shutoff valves controlling several gas piping 1310.11.1 Valves Controlling Multiple Systems. systems shall be readily accessible for operation and installed so as to be protected from physical damage. They shall be marked with a metal tag or other permanent means attached by the installing agency so that the gas piping systems supplied through them can be readily identified. [NFPA 54:7.9.2.1]

(2) Outlets shall not be located behind doors.

(3) Outlets shall be located far enough from floors, walls,

patios, slabs, and ceilings to permit the use of wrenches

Outlets shall be located far enough from floors, walls,

patios, slabs, and ceilings to permit the use of wrenches without straining, bending, or damaging the piping.

The unthreaded portion of gas piping outlets shall extend

not less than 1 inch (25.4 mm) through finished ceilings or indoor or outdoor walls.

The unthreaded portion of gas piping outlets shall extend

not less than 2 inches (51 mm) above the surface of floors or outdoor patios or slabs.

The provisions of Section 1310.9(4) and Section

1310.9(5) shall not apply to listed quick-disconnect devices of the flush-mounted type or listed gas convenience outlets. Such devices shall be installed in accordance with the manufacturer’s installation instructions.

[NFPA 54:7.7.1.1 – 7.7.1.6]

(4) The unthreaded portion of gas piping outlets shall extend

not less than 1 inch (25.4 mm) through finished ceilings

(5) The unthreaded portion of gas piping outlets shall extend

not less than 2 inches (51 mm) above the surface of floors

(6) The provisions of Section 1310.9(4) and Section

1310.9(5) shall not apply to listed quick-disconnect

Lines. 1310.11.1.1 Shutoff Valves for Multiple House In multiple-tenant buildings supplied through a master meter, through one service regulator where a meter is not provided, or where meters or service regulators are not readily accessible from the appliance or equipment location, an individual shutoff valve for each apartment or tenant line shall be provided at a convenient point of general accessibility. In a common system serving a number of individual buildings, shutoff valves shall be installed at each building. [NFPA 54:7.9.2.2] 1310.11.2 Emergency Shutoff Valves. An exterior shutoff valve to permit turning off the gas supply to each building in an emergency shall be provided. The emergency shutoff valves shall be plainly marked as such and their locations posted as required by the Authority Having Jurisdiction. [NFPA 54:7.9.2.3] 1310.11.3 Shutoff Valve for Laboratories. Each laboratory space containing two or more gas outlets installed on tables, benches, or in hoods in educational, research, commercial and industrial occupancies shall have a single shutoff valve through which all such gas outlets are supplied. The shutoff valve shall be accessible, located within the laboratory or adjacent to the laboratory’s egress door, and identified. [NFPA 54:7.9.2.4]