| (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) In addition to NFPA 52 §10.4.1, 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 System 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.
(j) If automatic dispensers are to be used during hours
of darkness, permanent adequate lighting shall be provided to facilitate
proper operations.
(k) Fuel dispensers, including automatic dispensers,
may be operated only by an individual who has been properly trained.
(1) The licensee owning, operating, or servicing a
CNG fuel dispensing facility shall ensure the safe operation of the
system and provide training to users.
(2) Step‑by‑step operating instructions
provided by the manufacturer shall be posted at or on each automatic
dispenser, readily visible to the operator during transfer operations.
The instructions shall describe each action necessary to operate the
automatic dispenser and include the location of and procedure for
activating emergency shutoff equipment.
(3) Each person or entity who operates a fuel dispenser,
excluding an automatic dispenser, shall be provided with written instructions
and safe operating procedures by the licensee. The person operating
the dispenser should be cautioned to study and preserve such instructions
and procedures.
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| 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; amended to be effective February 15, 2021, 46 TexReg 1044 |
