June 2006
Functional Zones and Space Modules: The functional zone is the occupied floor area within a
service module. The Red Book defines space modules as variations of the service module de-
signed for inpatient bed units. Space modules may be the same size or smaller than a service
module, but in no case may be larger than a service module.
Fire Compartments (Sections)
When the term "fire section" is used in the Red Book, it should be replaced with "fire compart-
ment" to be consistent with current Code terminology. A fire compartment is a unit of area en-
closed by two-hour fire resistance rated construction on all sides from which there are at least
two different exits. The size and number of fire compartments shall be as determined by current
codes, VA criteria, and the overall fire protection strategy for the building.
A fire compartment may contain one or more service modules. The boundaries of the service
module(s) should coincide with the boundaries of the fire compartment.
SUPPLEMENT TO RESEARCH STUDY REPORT
VA HOSPITAL BUILDING SYSTEM
SECTION 2-3
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