Sec. 22-53. Gasoline torches and plumbers’ furnaces maintenance and use.

   (a)   Generally. All gasoline blow torches and plumbers’ furnaces shall be constructed, maintained and used in accordance with NFPA #393, Recommended Good Practice for the Construction, Maintenance and Use of Gasoline Blow Torches and Plumbers’ Furnaces.

   (b)   Capacity. The liquid capacity of gasoline blow torches shall not exceed two (2) quarts and that of plumbers’ furnaces, two (2) gallons, exclusive of the required air space above the liquid. Tanks for such torches and plumbers’ furnaces shall be constructed to withstand a working pressure of twenty-five (25) pounds per square inch.

   (c)   Ventilation. Adequate ventilation shall be provided where gasoline blow torches are used.

   (d)   Filling. Gasoline blow torches or plumbers’ furnaces shall not be filled inside of buildings. (1975 L.M.C., ch 23, § 1.)

Sec. 22-54. Liquefied petroleum gases.

   (a)   Permits. A permit shall be obtained from the Director by the owner or operator of every bulk storage plant used for storage and dispensing liquefied petroleum gases.

   (b)   Standards. All liquefied petroleum gas equipment including such equipment installed at utility gas plants shall be installed in accordance with the provisions of the Standard for the Storage and Handling of Liquefied Petroleum Gases, NFPA #58 and the Standard for the Storage and Handling of Liquefied Petroleum Gases at Utility Gas Plants, NFPA #59, except as otherwise provided in this chapter or in other laws or regulations legally in effect.

   (c)   Safeguarding of premises. All spaces at bulk storage plants within which liquefied petroleum gases are transferred or stored, including all connections to storage tanks, shall be segregated with fences approved by the Director. The gates in such fences shall be kept locked at all times when no employee of the gas company is present.

   (d)   Safeguarding of customer’s supply tanks. Tanks supplying customers’ installations shall be located outside of buildings. All valves and connections thereon shall be safeguarded by an enclosure, approved by the Director. Installations with an aggregate water capacity of greater than two thousand (2,000) gallons shall have the area, which includes the tank and container appurtenances, enclosed with at least a six-foot-high industrial type fence unless otherwise adequately protected. Gates shall be locked at all times when no employee is present.

   (e)   Special requirements in the case of bulk storage (2,000 gallons aggregate water capacity or more) in heavily populated or congested areas. Determination as to individual tank capacity, total storage, distance to property lines, underground storage, fixed fire suppression systems, or other reasonable protective measures shall be made by the Director.

   (f)   Containers in residential buildings. LP gas containers stored in a building housing residential occupancies shall be limited to two (2) ICC-DOT cylinders with a water capacity not exceeding two and one-half (2 ½) pounds which shall be part of approved self-contained hand torch assembly or similar appliance. (1975 L.M.C., ch. 23, § 1.)

Sec. 22-55. Anesthetics and medical gases in hospitals and similar occupancies.

   (a)   Generally. The use, storage and handling of anesthetics, oxygen and other medical gases shall be in accordance with the standards for flammable gases in section 24-14.

   (b)   Flammable anesthetic agents. Any medical institution that has not effectively banned the use of flammable anesthetic agents shall maintain continuously suitable locations for the use and storage of these agents. Hospital administrative authorities, in consultation with the medical staff and others of training and expertise, shall adopt regulations to control apparel and footwear allowed, the periodic inspection of conductive materials, the control of purchase of static conductive and anti-static materials, the testing of conductive floors in the use of electronic or X-ray equipment in flammable anesthetizing locations. Proposed rules and regulations shall be submitted to the Director for approval. (1975 L.M.C., ch. 23, § 1.)

Sec. 22-56. Gas shut offs.

   (a)   Notice when gas is shut off. Any person shutting off gas to any building or structure shall promptly notify the company supplying such gas.

   (b)   Shut off valves to be accessible; curb keys. No person shall make gas shut off valves inaccessible for use. The local gas utility shall, upon request, furnish appropriate curb keys to the department. (1975 L.M.C., ch. 23, § 1.)

Sec. 22-57. Cutting and welding.

   (a)   All oxygen-fuel gas systems for welding and cutting shall be installed and operated in accordance with National Fire Protection Association Standard for the Installation and Operation of Oxygen-fuel Gas Systems for Welding and Cutting, NFPA #51.

   (b)   All cutting and welding processes shall be conducted in accordance with National Fire Protection Association Standard for Fire Prevention in Use of Cutting and Welding Processes, NFPA #51-B. (1975 L.M.C., ch. 23, § 1.)