Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 333

r.
An automatic pressure reducing regulator(s) shall be installed to
reduce the fuel container pressure to a level consistent with the
service pressure required by the gas-air mixer and provided with
support so that their weight is not placed on the gas lines, as well as
means to prevent malfunctioning due to refrigeration effects.
s. The fueling connection receptacle shall be mounted to withstand
the breakaway force not greater than sixty-eight kilograms (68 kg)
when applied in any horizontal direction. The receptacle shall be
installed in accordance with the manufacturer’s instructions. The
clearance around the fueling connection shall be free of
interference that prevents the connection of the fueling nozzle.
2. Maintenance, Fire Protection and Other Safety Measures
a. Safety Testing, Maintenance and Repair
i.
The complete assembly shall be leak-tested using natural gas or
non-flammable gas. Before use, every connection shall be
verified leak-free with a non-corrosive leak detector solution or
a leak detector instrument after the equipment is connected
and pressurized to its service pressure. The testing shall be done
under adequately ventilated conditions.
ii. Where a vehicle is involved in an accident or fire causing
damage to the CNG container, or if the container is subjected
to a pressure greater than one hundred twenty five percent
(125%) of service pressure, the CNG container shall be replaced
or removed, inspected, and retested in accordance with the
document under which it was originally manufactured before
being returned to service.
iii. Where a vehicle is involved in an accident or fire causing
damage to any part of the CNG fuel system, the system shall be
repaired and retested before being returned to service.
iv. All containers, container appurtenances, piping systems,
venting systems, and other components shall be maintained in
a safe condition. Damaged fuel lines shall be replaced and not
be repaired. It shall be verified that the container retest date or
expiration date is current.
v. All pressure relief devices on the cylinder shall be maintained in
accordance with the manufacturer’s instructions and only
qualified personnel shall be permitted to service pressure relief
devices.
vi. Fire and other safety measures during vehicle maintenance:
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