UFC 3-600-01
17 April 2003
with change 16 January 2004
Do not group relocatable facilities such as electronic equipment
vans to form areas greater than 557 m2 (6,000 ft2) for unsprinklered
facilities and 1115 m2 (12,000 ft2) for sprinklered facilities. Do not
group relocatable facilities having extra hazard occupancies as
defined by NFPA 13, Installation of Sprinkler Systems, to form
areas greater than 372 m2 (4,000 ft2) for unsprinklered facilities and
743 m2 (8,000 ft2) for sprinklered facilities. Provide a minimum
separation of 15.3 m (50 ft) between groups of extra hazard
occupancy, and 4.6 m (15 ft) for all other groups.
2-2
FIRE AREAS. Conform to the IBC, except as modified by this
UFC. Exceptions for specific occupancies are listed in Chapter 6 of this UFC.
Note: The Air Force permits the allowable area to triple in any
building when an approved automatic sprinkler system is installed, regardless of
building height, atria, or substitution for one-hour fire resistive construction.
2-3
BUILDING HEIGHT LIMITATIONS. Conform to the IBC, except as
modified by this UFC.
2-4
LIMITING INTERIOR FIRE SPREAD.
2-4.1
Door Openings. Door openings, in fire resistive construction, must
be protected in accordance with NFPA 80, Fire Doors and Fire Windows. Fire
door assemblies are required on each side of the door opening in 4-hour firewalls
when openings are fitted with 3-hour rolling or sliding fire doors. Use fire doors
listed by Underwriters Laboratories Inc. (UL), FM, or a nationally recognized
testing laboratory (NRTL). Do not modify approved fire doors in the field. Local
fabrication of fire doors is not permitted.
2-4.2
Penetrations. The protection of ducts at point of passage through
firewalls must be in accordance with NFPA 90A, Installation of Air-Conditioning
Air-Conditioning Systems. All other penetrations, such as piping, conduit, and
wiring, through firewalls must be protected with a material or system of the same
hourly rating that is listed by UL, FM, or a NRTL.
2-5
MEANS OF EGRESS.
2-5.1
Requirements. Comply with the requirements of NFPA 101, except
as modified by this UFC.
2-5.2
Means of Egress Marking. Mark means of egress in accordance
with NFPA 101. Signs must have lettering on an opaque background. Internally
illuminated signs must be light emitting diode (LED) type or cold cathode type.
Incandescent fixtures are not permitted except existing fixtures, which may
remain in use.
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