Fuel gas piping systems shall be installed and maintained so as to remain
gastight, safe and operative under conditions of use. Fuel gas piping systems
shall provide a supply of gas sufficient to meet the maximum expected demand
of the installed gas-burning appliances connected thereto.
A.
Gas piping systems shall have at least one (1) accessible
means outside for shutting off all gas supply, and such means shall be maintained
in good operating condition.
B.
In addition, an easily accessible shutoff valve or cock
shall be provided in the piping in close proximity to and ahead of every gas
appliance or outlet for a gas connection.
[Added 6-18-1973]
Gas services, gas meters and gas pressure regulators shall be located
so that they are protected from damage.
Gas refrigerators and ranges shall be installed with clearance for ventilation
and shall be maintained in good operating condition.
Any service connection supplying gas at a pressure in excess of one
(1) pound per square inch gauge shall be provided with a device to reduce
such pressure to not more than one-half ( 1/2) pound per square inch
gauge prior to entering the meter, except where such service supplies equipment
using gas at high pressures.
A.
Conveyance through piping equipment and systems. Undiluted
liquefied petroleum gas in liquid form shall not be conveyed through piping
equipment and systems in buildings.
B.
Vaporizing. Liquefied petroleum gas shall not be vaporized
by devices utilizing open flame or open electrical coil.
C.
Container connections. Where two (2) or more containers
are installed, connection shall be arranged so that containers can be replaced
without shutting off the flow of gas to equipment.
D.
Design, storage and location of containers. Containers
shall be designed, stored and located so as not to be a hazard to the premises
served or to the surrounding property.
E.
Safety devices. Systems shall be provided with safety
devices to relieve excessive pressures and shall be arranged so that the discharge
terminates at a safe location.
F.
Means for shutting off gas. Systems shall have at least
one (1) accessible means for shutting off the gas. Such means shall be located
outside the building and shall be maintained in good operating condition.
