Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 316

5. Compressed gases shall be stored in areas dedicated to the storage
of such gases without other storage or uses.
If containers of
compressed gases in quantities greater than the maximum allowable
quantity per control area, said containers shall be stored in a room or
a gas cabinet with two (2) hour resistance rating located inside
buildings or structures, with the following conditions:
a. For rooms:
i.
Openings between the room and interior spaces shall be
protected by self-closing smoke and draft-control assemblies
having a fire protection rating of not less than 2 hours.
ii. Rooms having exterior walls shall be provided with at least two
vents in such walls, each having not less than twenty three
hundredths square meter (0.023 m 2 ) free area. One vent shall
be within one hundred fifty two millimeters (152 mm) of the floor
and one shall be within one hundred fifty two millimeters (152
mm) of the ceiling.
iii. Rooms with no exterior walls shall be exhausted through a duct
to the outdoors. Supply and exhaust ducts shall be enclosed in
a one (1) hour rated shaft enclosure from the room to the
outdoors.
iv. Approved mechanical ventilation shall comply with the
requirements of the Philippine Mechanical Code and be
provided at a minimum rate of five hundred eight thousandth
cubic meter per second per square meter [0.00508 m3/(s·m 2 )]
of the area of the room.
v. Rooms shall be protected by an approved, supervised sprinkler
system.
b. For gas cabinets:
i.
The average velocity of ventilation at the face of access ports
or windows shall not be less than sixty one meters per second
(61 m/s), with a minimum of forty six meters per second (46 m/s)
at any point of the access port or window to maintain the
temperature of the cylinders at fifty four degree Celsius (54°C).
ii. Connected to an exhaust system.
iii. Internally protected by a sprinkler system.
6. The storage of compressed gases located outdoors in quantities
greater than the allowable amount shall be located as shown in the
figure;
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