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RULE §14.2319 Automatic Fuel Dispenser Safety Requirements

Published: 2015

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(a) Automatic fuel dispensers shall be fabricated of material suitable for LNG and resistant to the action of LNG under service conditions. Pressure containing parts shall be stainless steel, brass, or other equivalent cryogenic material. Aluminum may be used for approved meters. (b) Electric installations within dispenser enclosures and the entire pit or open space beneath dispensers shall comply with NEC, Class 1, Group D, Division 1, except for dispenser components located at least 48 inches above the dispenser base which NEC states are intrinsically safe. (c) Valves, metering equipment, and other related equipment installed on automatic dispensers shall meet all applicable requirements of the rules in this chapter. (d) Automatic dispensers shall be protected from damage by vehicle collision by fencing and guardrails installed in accordance with §14.2101 of this title (relating to Uniform Protection Requirements). (e) A device shall be installed in the liquid piping so that displacement of an automatic dispenser will result in the displacement of such piping on the downstream side of the device. (f) The fueling nozzle shall prevent LNG from being discharged unless the nozzle is connected to the vehicle. (g) A key, card, or code system shall be used to activate the automatic dispenser. (h) Automatic dispensers shall incorporate cutoff valves with opening and closing devices which ensure the valves are in a closed position when dispensers are deactivated. (i) LNG fuel storage installations which include automatic dispensers shall be equipped with an emergency shut-down device for the entire LNG installation located at least 20 feet from the nearest dispenser or storage area. The emergency shut-down device shall be distinctly marked for easy recognition in compliance with the requirements of §14.2101 of this title (relating to Uniform Protection Requirements). (j) If automatic dispensers are to be used during hours of darkness, permanent adequate lighting shall be provided to facilitate proper operations.

Source Note: The provisions of this §14.2319 adopted to be effective May 26, 2003, 28 TexReg 4100; amended to be effective December 24, 2012, 37 TexReg 9921