The storage and handling of flammable liquids used in connection with paint spraying shall conform to the requirements of Section 15-24-410 and other applicable chapters of this Code, and with the special provisions of the following:
(a) When the quantity of flammable liquids used in spraying, in five-gallon and smaller containers, other than in original sealed containers or approved safety cans, exceeds a total of ten gallons, it shall be stored in a metal cabinet and when the total quantity exceeds 50 gallons of such flammable liquid, a room complying with Section 15-24-410 shall be required.
(b) Only original closed containers, approved portable tanks, approved safety cans or a properly arranged system of piping shall be used for bringing flammable liquids into spray-painting areas.
(c) Containers supplying spray nozzles shall be of the closed type. Containers not resting on floors shall be on noncombustible supports or suspended by wire cables.
(d) All containers or piping to which is attached a hose or flexible connection shall be provided with a quick-closing valve and equipped with a weight and a fusible link, arranged to automatically close the valve in the event of a fire. Such valves shall be closed when not in use.
(e) Heaters shall not be located in the spray booth or area or other locations subject to the accumulation of combustible deposits or residue.
(f) If flammable liquids are supplied to spray nozzles by positive displacement pumps, the pump discharge line shall be provided with an approved relief valve discharging to the pump suction or to a safe detached location, or a device shall be provided to stop the prime moved when the discharge pressure exceeds 125 percent of the normal operating pressure.
(g) Whenever flammable liquids are transferred from one container to another, both containers shall be bonded or effectively grounded. Piping systems for flammable liquids shall be permanently grounded.
(Prior code § 129.1-56)