Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 307

vi. Safety relief valves shall normally be mounted in a vertical
position and shall not be subjected to low temperature except
when operating.
e. Containers shall be provided with substantial concrete or masonry
foundations, or structural steel supports on firm concrete or
masonry foundations. Foundations and supports shall be of a
material and design to withstand the low temperature effects of
cryogenic fluid spillage. Structural steel supports, above forty-six
centimeters (46 cm) in height, or flammable cryogenic fluid
container shall be protected with protective coating having a fire-
resistance rating of two (2) hours.
f.
Horizontal containers shall be so mounted on foundations as to
permit expansion and contraction.
Every container shall be
supported to prevent the concentration of excessive loads on the
supporting portion of the shell. That portion on the container in
contact with foundation or saddles shall be protected against
corrosion.
g. Secure anchorage or elevation of container shall be provided in an
area that may be subjected to flooding.
h. Storage containers, piping, valves, regulating equipment, and
other accessories shall be protected against physical damage and
against tampering.
i.
Containers shall be secured as may be necessary to prevent
shifting or upset.
2. Containers shall be equipped with drainage, dikes and walls having
the following conditions:
a. The area surrounding a container for cryogenic fluids shall be diked
to prevent accidental discharge of fluids thereby endangering
adjacent containers, buildings and equipment, adjoining property
or reaching waterways.
b. Drainage shall be provided at a slope of not less than one percent
(1%) away from the container towards an impounding basin or an
appropriate means of disposal having a capacity equal to the
container being served. This termination area and the route of the
drainage system shall be so located that a fire occurring in
drainage system will not seriously endanger adjacent containers or
property.
c. Where diked areas are utilized to provide the required protection,
the following shall apply:
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