Quantcast Prefabricated Structures

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facility is located more than 10 feet (3 m) but less than 50 feet (15 m) from
an important building or property line.
(3)  Exterior walls shall be of noncombustible construction when
the facility is more than 50 feet (15 m) from another building or property
Interior Fire Walls
(1)  Interior fire walls shall have a 4-hour fire rating if the
facility is located within a structure that houses other occupancies.
(2)  Interior fire walls shall have a 2-hour fire rating when
the area of the room is greater than 300 square feet (28 m2).
(3)  Interior fire walls shall have a one-hour rating when the
area of the room is 300 square feet (28 m2) or less.
Sprinkler Protection
(1)  Install sprinkler systems suitable for a corrosive
environment, in accordance with NFPA 13.
Spill Containment.  Provide spill containment for flammable and
combustible liquids, hazardous materials, and hazardous waste in accordance
with NFPA 30.
Prefabricated Structures.  Prefabricated structures (which may be
portable) are an acceptable means of storing flammable and hazardous materials
and hazardous waste provided they meet the fire protection and spill
containment requirements stated herein.  Where used, a single prefabricated
structure shall not exceed 400 square feet (37 m2).  It is preferable to
locate these types of structures outside.  Where it is impractical to provide
sprinkler supply lines to a prefabricated structure due to distance from an
adequate water supply, dry chemical fire extinguishing systems are acceptable.
Outdoor Storage Limitations and Separation.  Flammable and
combustible liquid outdoor storage includes any storage that is covered by a
roof to provide weather protection for containers.  The same area may have one
or two (but no more than two) walls.  Flammable and combustible liquid outdoor
storage shall not be more than 400 feet long or wide (121.9 m) and each area
shall be separated by 100 feet (30.48 m).  No container or portable tank in a
pile shall be more than 200 feet (60.96 m) from a 40-foot (12.19 m) wide
minimum fire lane to permit approach of fire control apparatus under all
weather and ground surface conditions.  Fire hydrants shall be located in
accordance with the NFPA, but shall not be more than 200 feet (60.96 m) apart.
Electric Wiring and Equipment.  Where flammable liquids are
dispensed or transferred, electric wiring and equipment shall be suitable for


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