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Subchapter 7. General Industry Safety Orders
Group 2. Safe Practices and Personal Protection
Article 7. Miscellaneous Safe Practices

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3319. Fueling.

(a) No internal combustion engine fuel tank shall be refilled with a flammable liquid while the engine is running. Fueling shall be done in such a manner that likelihood of spillage is minimal. If a spill occurs it shall be washed away completely, evaporated, or equivalent action taken to control vapors before restarting the engine. Fuel tank caps shall be replaced before starting the engine.

(b) A listed gasoline pump shall be provided to service the fuel tanks of all gasoline engine driven equipment, unless done in a safe manner by a gravity flow, with a metal-to-metal contact between the containers and the fuel tank. When a hose is used it shall be of a type which is designed to handle gasoline. No gasoline shall be handled in open containers. Gravity flow systems shall be fitted with self closing nozzles.

EXCEPTION: Pumps which are an integral part of a gasoline vapor recovery system, certified by the State Air Resources Board and the State Fire Marshal pursuant to the provisions of Sections 41954 through 41961, inclusive, of the California Health and Safety Codes.

(c) Open lights, open flames, or sparking or arcing equipment, except that which is an integral part of automotive equipment, shall not be used near fuel storage tanks or internal combustion engine equipment while being fueled with flammable liquids.

(d) Every gas fueling system with line pressure in excess of 15 pounds per square inch, including traps, valves, and fittings shall be capable of withstanding the maximum working pressure with a factor of safety of at least four.

In lieu of compliance with the above, existing installations shall be provided with a relief valve installed between the regulator and the gas consuming device. Such relief valve shall be set to operate at a pressure less than the maximum safe working strength of the weakest part of the system. There shall be no block valve between the regulator and the relief valve nor in the discharge line from the relief.

(e) Refueling with portable containers shall be done with approved safety type containers equipped with an automatic closing cap and flame arrester.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

HISTORY

1. Amendment of subsections (a) and (b) filed 2-18-75; effective thirtieth day thereafter (Register 75, No. 7).

2. Amendment of subsection (b) filed 3-3-77; effective thirtieth day thereafter (Register 77, No. 10).

3. Amendment of subsection (a) filed 7-6-79; effective thirtieth day thereafter (Register 79, No. 27).

4. New subsection (e) filed 2-15-90; operative 3-17-90 (Register 90, No. 8).

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