UFC 3-600-01
17 April 2003
with change 16 January 2004
reactive areas, provide automatic sprinklers with an indicating valve to be locked
in the closed position. Provide a metal sign indicating the indicating valve is to
remain locked in the closed position unless a fire is detected in the storage area.
The sign can be attached to a chain and connected to the indicating valve or
fastened permanently to the wall provided it does not interfere with the operation
of the valve. Locate the indicating valve outside the water reactive storage area.
6-11.4
Hazardous Waste Storage Facilities. For hazardous waste
storage facility requirements, refer to the following:
NFPA 30, Flammable and Combustible Liquids Code
NFPA 430, Storage of Liquid and Solid Oxidizers
NFPA 434, Storage of Pesticides
NFPA 490, Storage of Ammonium Nitrate
6-11.4.1
Fire Protection for Hazardous Waste Storage Facilities. The
following minimum criteria must be provided:
6-11.4.1.1
Exterior Fire Walls
Exterior walls must consist of 4-hour fire resistive construction
when the facility is attached to a structure or it is located within 3 m
(10 ft) of another building or property line.
Exterior walls must consist of 2-hour fire resistive construction
when the facility is located more than 3 m (10 ft) but less than 15.3
m (50 ft) from an important building or property line.
Exterior walls must be of noncombustible construction when the
facility is more than 15.3 m (50 ft) from another building or property
line.
6-11.4.1.2
Interior Fire Walls.
Interior firewalls must have a 4-hour fire rating if the facility is
located within a structure that houses other occupancies.
Interior firewalls must have a 2-hour fire rating when the area of the
room is greater than 28 m2 (300 ft2).
Interior firewalls must have a one-hour rating when the area of the
room is 28 m2 (300 ft2) or less.
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