MIL-HDBK-1191
combustion are inherent to IBS facilities. Building systems shall be
coordinated and interfaced in accordance with NFPA 92A and NFPA 92B
(references 13h and 13i) to achieve smoke control and management. "Smoke
removal" is not considered an "engineered smoke control system."
13.14.5.1
Zoned smoke control shall be provided for IBS facilities provided
with quick response sprinklers throughout smoke compartments with patient
sleeping rooms and which are greater than two stories. Where inpatients can
be evacuated directly outside without requiring assistance to traverse a
vertical exit component, smoke control is not required. Performance criteria
for smoke management shall be established for each facility.
13.14.5.2
Smoke management shall be provided for atriums, malls and other
large volume spaces.
13.14.5.3
A means for purging the distribution zone of smoke and other
products of combustion for post fire operations shall be provided. Typically
a manual smoke purge system shall be provided for each individual system
module with manual remote control available from the fire emergency control
center.
13.14.5.4
Every effort shall be made to design all HVAC systems to be
contained within an individual module. Smoke management should be zoned and
annunciated by IBS module.
13.14.6
Fire Detection and Alarm Systems. Each project shall be evaluated
to determine the need for detection systems in special areas using NFPA 101
(reference 13a) and NFPA 72 (reference 13g) for guidance. All fire protection
devices shall annunciate at the fire emergency control center. System
initiating device signals shall be annunciated by category of signal (alarm,
supervision, trouble), type of device and location (floor and module).
13.14.6.1
System supervision and alarm zoning shall be coordinated with the
fire and smoke compartments, and IBS zones of each module.
13.14.7
Distribution Zone.
13.14.7.1
IBS Concept. The distribution zone is an unoccupied space and
shall not be utilized for any storage.
13.14.7.2
Access Door. An access door from each required exit stairway
shall be provided to the distribution zone. Access doors shall be locked and
accessible only by key. Each access door shall bear the sign "Storage in This
Area is Prohibited by Order of the Fire Marshall." A similar sign shall also
be placed inside the space.
13.14.7.3
Means of Egress. The access door is the primary means of egress
for distribution zone occupants and shall meet the exit and ease of
operability requirements of NFPA 101 (reference 13a).
13.14.7.4 Fire Alarm Features. Fire alarm devices located in the
distribution zone are part of the module fire alarm evacuation system.
a) A manual pull station shall be provided in the distribution
zone at each access door. Zoning for annunciation of this device shall be
coordinated with the exit enclosure serving the module occupied zone. The
manual pull station shall have an independent alarm annunciation zone.
b) Alarm indicating devices shall be provided for occupant
notification throughout the distribution zone. Upon any alarm initiating
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