Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 336

Exception: If both labels are located in one of the above
areas, the labels shall be permitted to be combined into
a single label.
iv. Each vehicle shall be identified with a weather-resistant,
diamond-shaped label located on an exterior vertical surface
or near-vertical surface on the lower right rear of the vehicle
(e.g., on the trunk lid of a vehicle so equipped, but not on the
bumper of any vehicle) inboard from any other markings. The
label shall be a minimum of one hundred twenty milimeters (120
mm) in length and eighty-three (83 mm) in height. The marking
shall consist of a border and the letters “CNG”, twenty five
millimetres (25 mm) minimum height centered in the diamond,
of silver or white reflective luminous material on a blue
background.
C. CNG Compression, Storage, and Dispensing Systems
1. Compression equipment shall be designed for use with CNG and for
the pressures and temperatures to which it can be subjected under
normal operating conditions. It shall have pressure relief devices that
limit each stage pressure to the maximum allowable service pressure
for the compression cylinder and piping associated with that stage of
compression. Compression equipment shall incorporate a means to
minimize liquid carryover to the storage system.
2. Unattended CNG compression equipment shall be equipped with a
high discharge and a low suction pressure automatic shutdown
control.
3. Engine-driven compressor installations shall conform, where
applicable, to NFPA 37, Standard for the Installation and Use of
Stationary Combustion Engines and Gas Turbines.
4. Control devices shall be installed so that internal or external icing or
hydrate formation does not cause vehicle or fueling station
malfunction.
5. The fueling connection shall prevent the escape of gas where the
connector is not properly engaged or becomes separated. Fueling
nozzles shall be listed in accordance with ANSI/IAS NGV1, Standard for
Compressed Natural Gas Vehicle (NGV) Fueling Connection Devices.
6. Locations
a. Outdoors
i.
A facility in which CNG compression, storage, and dispensing
equipment are sheltered by an enclosure that is constructed of
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