Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 311

9. Piping, Materials and Construction
a. All pipings and materials such as gaskets, thread compound, etc.,
shall be suitable for the intended use through the full range of
pressure and temperature to which they will be subjected,
maintaining a safety factor of four (4) to one (1).
b. The piping system shall be designed and constructed to provide
adequate allowance for expansion, contraction, vibration,
settlement, and fire exposure.
c. Joints on all container piping and tubing over five (5) centimeters in
nominal diameter shall be made by welding or with welded
flanges.
d. Piping outside buildings may be either buried or aboveground. In
either case, it shall be well supported and protected against
physical damage and corrosion.
e. All piping and tubing shall be tested after installation, at not less
than one and one-half (1 ½) times hydraulically, or one and one
fourth (1 ¼) times pneumatically, the maximum working pressure
and proven free of leaks.
B. Equipment and Devices
1. All cryogenic containers, equipment and devices used for the storage,
handling and transportation of cryogenic fluids shall be of
approved type. Approved types are those covered with appropriate
certification from its manufacturers and/or certifying authority
concerned.
2. Electrical Equipment
a. Electrical installations and equipment shall conform to the
provisions of the Philippine Electrical Code, equipment
manufacturers’ instruction and/or other applicable international
standards as deemed necessary.
b. Proper lighting, including emergency lights shall be provided for fire
protection appliances and operating facilities such as walkways,
control valves, gauges, and similar devices or servicing facilities for
the cryogenic fluids.
3. Electrical Grounding or Bonding
a. Containers, systems, and equipment used for flammable cryogenic
fluids shall be grounded and/or bonded in accordance with NFPA
77, “Recommended Practice on Static Electricity,” and the
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