A.
No matches, candles or other sources of ignition shall
be used when working on piping or equipment filled with gas or in
searching for leaks.
B.
Workmen or helpers shall not smoke while connecting
or disconnecting gas-filled piping or equipment nor shall others be
permitted to smoke while in the room with or near such work.
Artificial lighting for use in connection with
searching for leaks or work in gaseous atmospheres shall be restricted
to approved electric hand flashlights or other electric lights controlled
only by switches located outside the gassy area. Every workman shall
be equipped with an approved electric hand flashlight.
A.
Alcohol, gasoline and other flammable liquids, including
the liquid which is removed from meters or from drips in gas piping,
shall be handled with the proper precautions and shall not be left
by the workmen on the premises of the customer.
B.
Fitters torches or furnaces (including blow torches)
shall not be left within the customer's premises from the end of one
working day to the beginning of the next.
A.
No workmen, unless in the employ of the gas company,
shall repair, alter or open the service pipe or service extension,
or set or remove the service meter, or do any other work on the parts
of the gas supply system up to and including the meter.
B.
Only employees of the gas company shall be permitted
to turn the gas on at a service cock or curb cock, or at any other
cock which controls the supply of gas to more than one customer.
A.
Before turning gas under pressure into any piping,
the installer shall assure himself that there are no openings from
which gas can escape.
B.
After installation is completed and before leaving
the premises, all air must be blown from piping and appliances and
all pilot burners must be lighted and properly adjusted.
C.
When purging pipes, supply equipment which has burners
enclosed in spaces wherein gas may collect the air shall be blown
from an opening outside the enclosure, such as the end of the manifold.
When necessary to turn gas off, a workman shall
use the meter cock or a line cock which affects only part of the piping
of a single customer.
A.
Before gas is shut off from any line or piping, all users or their responsible representatives whose service is affected shall (except in emergencies) be advised that the gas is to be shut off and instructed to shut off all appliance cocks and not to open any of them again until notified that service has been restored, in accordance with the provisions of § 293-111A and B above.
B.
If a meter cock is found shut off, unless the workman
himself has shut it off or knows that it is shut off by the customer
to prevent leakage, and the cause of the leakage has been repaired
by the workman, he shall not turn the gas on.
A.
A workman shall not turn gas on at a meter or line
cock if piping, equipment or meters are known to leak or to be defective.
B.
No workman or any other person shall turn gas on at
a meter cock or a line cock after same has been ordered turned off
by the Department or the gas company without specific permission from
the agency that turned the gas off.
C.
Gas shall not be turned on at either a line cock or
a meter cock unless gas-burning equipment is connected to the piping
system supplied.
It shall be the duty of any workman to turn
the gas off from any equipment, pipe or piping system and, regardless
of the wishes of the user thereof, to leave the gas turned off until
the cause for interrupting the supply has been removed in any of the
following cases:
A.
If ordered to do so by the Department.
B.
If any leakage of gas is noted.
C.
If there is any condition which threatens interruption
of gas supply which may cause burner flame to be extinguished or otherwise
prove dangerous.
D.
If an installation is found of some gas-fired equipment
such as to cause a serious personal or property hazard.
