§ 10-108. Distribution and utilization equipment for domestic and commercial use.

Piping, pipe fittings, appliances and other equipment designed or intended for the distribution and utilization of liquefied petroleum gas for domestic and commercial use shall not be installed, repaired, extended or altered except that it be made to comply with the following requirements:

(1)

All piping, appliances and equipment shall be installed in full compliance with the ordinances of the city regulating installations for natural gas except where otherwise specifically required by this article and by the regulations of the railroad commission. A master cutoff valve with handle painted red shall be readily accessible to firemen in case of fire.

(2)

Liquefied petroleum gas at pressures in excess of one (1) pound per square inch shall not be permitted inside buildings without specific approval of the gas inspector and fire marshal.

(3)

All piping shall be metal of a type, quality and strength suitable for use with liquefied petroleum gas. All pipes shall have welded joints or threaded joints fitted with approved joint compound which is not soluble when used with liquefied petroleum gas, or approved tubings with flared fittings may be used. All piping shall be provided to drain in its entirety to a point under the ground outside of the building or structure in which installed. As an alternative a suitable and approved type of liquid trap shall be installed outside the buildings or structures in an approved manner and no other pocket or low places shall exist in the gas system which might provide a trap for liquid gas. If piping is to be placed underground, it shall be buried not less than two (2) feet underground in a trench used for no other purposes.

(4)

When an existing natural gas piping system is to be used for liquefied petroleum gas all piping of the existing system shall be removed, checked and installed in the manner prescribed for new liquefied petroleum gas installations.

(5)

All appliances used with liquefied petroleum gas shall be designed and adapted for use with the particular mixture of liquefied petroleum gas normally supplied to the piping system. Automatic appliances having a pilot light shall have an approved automatic safety cutoff.

(6)

Floor furnaces shall not be permitted on liquefied petroleum gas systems unless the installations and maintenance of the same shall be in strict conformity with liquefied petroleum gas docket No. 1 of the railroad commission.

(7)

Liquefied petroleum gas piping, appliances and equipment shall not be permitted in basements or pits or in any other low place where such gas can collect to form a dangerous inflammable mixture.

(8)

Houses having continuous foundations shall have suitable vents from under such house if liquefied petroleum gas piping is installed under the house.

(9)

Natural rubber or leather including rubber hose shall not be used where in any manner exposed to the solvent action of liquefied petroleum gas.

(Code 1966, § 12-32)