Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 351

D. A clearance of not less than seventy six centimeters (76 cm) shall be
maintained from building walls and partitions, and not less than ninety
centimeters (90 cm)from ceilings of roof structural members with a
minimum of forty five centimeters (45 cm) from sprinklers.
E. Ammonium nitrate storage shall be separated by a space of nine meters
(9m) or by tight non-combustible partition from storage of organic
chemicals, corrosive liquids, compressed gases, flammable and combus-
tible materials, or other contaminating substance such as sulfur, coal,
flour, and metallic powders such a zinc, copper, and magnesium where
storage of such materials is permitted with ammonium nitrate.
F. Quantities of ammonium or ammonium nitrate fertilizers having no organic
coating, in the form of crystals, flakes, grains or pills including fertilizers,
dynamic grade, nitrous oxide grade and technical grade ammonium
nitrate and ammonium nitrate phosphate (containing 60% of ammonium
nitrate by weight) or more than fifty (50) metric tons of total weight, shall
be stored in well-ventilated building of fire-resistive or noncombustible
construction, or in a building of other type of construction equipped with
an approved automatic sprinkler system.
G. In populated areas, quantities of two thousand five hundred (2,500) tons
or more shall be stored in well-ventilated buildings of one-hour fire-resistive
or non-combustible construction equipped with an approved automatic
sprinkler system. No combustible material or ammonium nitrate sensitizing
contaminants shall be stored in this building.
H. Storage of ammonium nitrate, coated or mixed with organic anti-caking
materials, except compounded blasting agent shall not be permitted in
populated and congested areas. Outside such areas, quantities of five
hundred (500) metric tons or less may be stored in well-ventilated buildings
of fire-resistive or non-combustible construction equipped with an ap-
proved automatic firefighting system.
SECTION 10.3.4.4.8 HIGHLY TOXIC MATERIALS
A. Highly toxic materials shall be segregated from other chemicals and
combustible and flammable substances in a room or compartment
separated from other areas by walls and floor and ceiling assemblies
having a fire-resistive rating of not less than one (1) hour.
B. The storage room shall be provided with adequate drainage facilities and
natural or chemical ventilation to the outside atmosphere.
C. Readily legible warning signs and placards as prescribed in this Rule shall
be prominently placed in the transport, storage and processing area.
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