As used in this article, the following terms shall have the meanings
indicated:
Gas piping used in the installation, repair, replacement, and relocations
of pipes, fixtures and other apparatus for distributing gas for illumination
or fuel purposes in any building or structure.
It shall be unlawful for any person to install any gas-burning equipment
unless and until a permit for the installation of same shall have been issued
by the Plumbing Inspector or the Deputy Plumbing Inspector.
Applications for permits shall be made in writing at the office of the
Plumbing Inspector in such form and detail as the Plumbing Inspector shall
prescribe.
No permit shall be issued for any kind of gas burner which has not been
tested and examined by the Plumbing Inspector or Deputy Plumbing Inspector
and found to be properly constructed, or safely workable.
All required permit fees shall be paid in full to the office of the
Plumbing Inspector prior to the issuance of the permit.
Every person installing gas-burning equipment shall report in writing
to the Plumbing Inspector not later than the 10th day of each month the location
of each installation made in the previous month, together with the name of
the burner and the number and size of storage tanks, upon appropriate forms
available at the office of the Plumbing Inspector.
Inspections shall be made of all rough piping installations authorized
by the approved plans and permit before it has been covered or concealed and
before any fixture or appliance has been attached thereto.
After the complete installation of gas piping and before any fixtures
or appliances have been attached, the system shall be subjected to an air
pressure test in accordance with the approved rules. The tests shall be made
in the presence of the Plumbing Inspector or the Deputy Plumbing Inspector
or their duly authorized agents, and all test apparatus shall be furnished
and the costs shall be borne by the permit holder. All welded piping shall
be tested to withstand an air pressure of not less than 50 pounds per square
inch for not less than 10 minutes.
No piping or connection to piping of any meter, gas heater or range
shall be covered up until the certificate of approval of the Plumbing Inspector
or Deputy Plumbing Inspector, or their duly authorized agents, has been issued.
Gas supply and distribution pipes shall be made only of materials which
conform to the provisions of this article and the approved rules adopted thereunder.
In the absence of such rules, compliance with the A.G.A. specifications shall
be deemed to meet the requirements of this section.
A.
Pipe gradients. All gas piping shall be run straight
without sags or traps, shall be so pitched as to drain back to the riser,
and from the riser to the meter or inlet; and all such equipment shall be
installed and protected as provided in the approved rules.
B.
Hangers and supports. All gas piping shall be rigidly
supported at intervals of not more than eight feet by incombustible straps,
hooks, or other approved supports.
C.
Gas piping in masonry. When necessary to conceal piping
in bricks, stone, concrete or other masonry walls, suitable recesses or other
suitable covering shall be provided, and no gas piping shall be incorporated
in the construction.
D.
Flexible piping. The use of lead pipe, hose or other
flexible pipe, tubing or fittings shall be prohibited; except, that approved
flexible tubing connectors shall be permitted for gas appliances which burn
not more than 90 cubic feet of gas per hour.
E.
Gas appliances. All gas ranges and heaters shall have
a straightway stopcock or valve on each branch supply and the installation
of gas brackets, fixtures and clearances shall be installed to minimize the
fire hazard to surrounding construction and trim in accordance with the provisions
of Articles 10 and 11 A.G.A. specifications and the approved rules adopted
thereunder.
Each gas service connection which is brought into a structure shall
be fitted with a straightway stopcock or shutoff valve, placed in an accessible
position immediately inside of the wall through which such connection enters,
except that such a stopcock or shutoff valve will not be required for low
pressure gas service connection to one- or two-family residences in which
the size of the service pipe is less than two inches.
A.
An outside stopcock or shutoff valve shall be provided
in the service connection from the main to any structure, except in a low
pressure service connection to a one- or two-family residence in which the
size of the service pipe is less than 1 1/2 inches. This outside shutoff
shall be located in an approved flush covered box at or near the curbline
in the sidewalk or other acceptable open area. Such valve box shall be identified
with the word "gas" or other marking clearly identifying the valve box as
a gas connection, cast or otherwise permanently inscribed on the cover.
B.
When alterations or repairs are made to a building, structure
or gas piping system, the requirements of this section shall not apply to
an existing gas connection unless the replacement of a section of the gas
connection adjacent to the curbline is necessary for other reasons.
Meters shall be located as near as practicable to the point of entrance
of the service and preferably in the cellar or basement of the building or
structure. The location shall be accessible, clean, dry, properly ventilated
and free from steam or chemical fumes, and the meter shall be protected against
extreme cold or heat.
