Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 370

Such valve shall be kept shut when not in use.
27. When pump is used to deliver products, automatic means shall be
provided to prevent pressure in excess of the design working pressure
of accessories, piping and hose.
28. All pressure hoses and couplings shall be inspected at regular intervals
appropriate to its intended use. The hose and coupling shall be tested
with the hose extended, and using the “in-service maximum operating
pressures.” Any hose showing material deformations, signs of leakage,
or weakness in its carcass or at the couplings, shall be withdrawn from
service and repaired or discarded.
29. Piping systems conveying flammable and combustible liquids shall be
of steel or other materials having comparable properties of resistance
to heat and physical damage. Piping systems shall be properly
bonded and grounded.
30. Heaters shall not be located in spray booths nor other locations subject
to the accumulation of deposits or combustible residue.
31. If flammable or combustible liquids are supplied to spray nozzles by
positive displacement pumps, the pump discharge lines shall be
provided with an approved relief valve discharging to a pump suction
or a safe detached location, or a device provided to stop the prime
mover if the discharge pressure exceeds the safe operating pressure of
the system.
32. Whenever flammable or combustible liquids are transferred from one
container to another, both containers shall be effectively bonded and
grounded to prevent the discharge sparks of static electricity.
33. In addition to the automatic fire control extinguishing equipment
provided for above, suitable portable fire protection equipment shall
be provided near all spraying areas as required for extra hazardous
occupancies. For continuous spray application, activation of fire
extinguishing system shall automatically accomplish all the following:
a. Activate a local alarm in the vicinity of the spraying operation and
activate the facility’s alarm system, if such is provided.
b. Shut down the coating material delivery system.
c. Terminate all spray application operations.
d. Stop conveyors into and out of the spray area.
34. A manual fire alarm and emergency system shut-down station shall be
installed to serve each spray area. When activated, this station shall
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