62. Except as otherwise provided in this Part, vapourizer design, location, construction and operation shall be in accordance with the current edition of National Fire Protection Association Pamphlet No. 58.
63. Vapourizers, heating devices for vapourizers, and vapourizers buildings shall be separated from loading and unloading sites, tanks, location on an adjoining property which may be built upon or other buildings by distances not less than the following:
(a) indirect fired vapourizers, 10 feet;
(b) heating devices for indirect fired vapourizers, 25 feet;
(c) direct fired vapourizers, with a capacity of 100 gallons per hour or less, 25 feet; and
(d) direct fired vapourizers with a capacity exceeding 100 gallons per hour, 50 feet.
64. (1) Vapourizers, if housed, should be installed in detached buildings used exclusively for liquefied petroleum gas vapourization and if the vapourizer is installed in a lean-to, shed or room of a building, such building may only be used for liquefied petroleum gas operations.
(2) The vapourizer building or room, as the case may be, shall be constructed of non-combustible or fire resistant materials, shall be cross-ventilated at the floor and ceiling levels by louvered openings, and should be provided with not less than 1 square foot of explosion relief venting on the open side per 40 cubic feet of inside space.
65. (1) A direct fired vapourizer or the heating device which supplies steam, hot water, or other fire-safe heating medium for an indirect fired vapourizer shall be separated from all other liquefied petroleum gas equipment, such as pumps or gas mixing devices by fireproof and vapourproof walls. Access to such vapourizer and heating device shall be from the outside only. The firewall shall be of not less than 1 hour fire resistance. Other parts of the room housing the heating device shall be constructed of noncombustible or fire resistant material. Cross ventilation shall be provided by other means than doors and windows.
(2) This section does not apply to domestic water heaters which may supply heat for a vapourizer in a domestic system.
66. The use of a direct gas-fired tank heater or the mounting of any vapourizer on a liquefied petroleum gas storage tank is prohibited on the railway right-of-way.
67. The area within 25 feet of a tank with a water capacity exceeding 200 Imperial gallons, a loading or unloading rack, a pump, building, etc. shall be free of debris, and grass and weeds shall be kept cut to a height not exceeding 6 inches. The general housekeeping and maintenance of buildings, tanks, etc. shall be of the highest standard.
68. Defective piping, valves or fittings shall be repaired immediately.
69. (1) Installations with a total water capacity not exceeding 2,000 Imperial gallons that provide fuel directly to heating, cooking or welding appliances on the installation site are exempt from the requirements of this section.
(2) All electric motors, switches, motor controllers, circuit breakers, wiring and any other electrical facility inside a building housing a liquefied petroleum gas pump or other similar equipment, or within 25 feet of an outdoor liquefied petroleum gas storage tank, loading or unloading point, pump or other similar equipment, shall conform to the regulations set forth in the latest edition of the Canadian Electrical Code for Class 1, Group D, Division I hazardous locations.
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