Page 155 - 2018_IFC

FIRE PROTECTION AND LIFE SAFETY SYSTEMS

code allow elimination of fire alarm boxes due to sprinklers, a 3. The fire area contains an ambulatory care facility.
single fire alarm box shall be installed. Exception: Manual fire alarm boxes are not required
Exceptions: where the building is equipped throughout with an
automatic sprinkler system installed in accordance with
1. The manual fire alarm box is not required for fire
alarm systems dedicated to elevator recall control Section 903.3.1.1 and the occupant notification appli-
and supervisory service. ances will activate throughout the notification zones
upon sprinkler water flow.
2. The manual fire alarm box is not required for Group
R-2 occupancies unless required by the fire code 907.2.2.1 Ambulatory care facilities. Fire areas con-
official to provide a means for fire watch personnel taining ambulatory care facilities shall be provided with
to initiate an alarm during a sprinkler system impair- an electronically supervised automatic smoke detection
ment event. Where provided, the manual fire alarm system installed within the ambulatory care facility and
box shall not be located in an area that is open to the in public use areas outside of tenant spaces, including
public. public corridors and elevator lobbies.
Exception: Buildings equipped throughout with an
907.2.1 Group A. A manual fire alarm system that acti-
vates the occupant notification system in accordance with automatic sprinkler system in accordance with Sec-
Section 907.5 shall be installed in Group A occupancies tion 903.3.1.1 provided that the occupant notifica-
where the occupant load due to the assembly occupancy is tion appliances will activate throughout the
notification zones upon sprinkler water flow.
300 or more, or where the Group A occupant load is more
than 100 persons above or below the lowest level of exit 907.2.3 Group E. A manual fire alarm system that initi-
discharge. Group A occupancies not separated from one ates the occupant notification signal utilizing an emer-
another in accordance with Section 707.3.10 of the Inter- gency voice/alarm communication system meeting the
national Building Code shall be considered as a single requirements of Section 907.5.2.2 and installed in accor-
occupancy for the purposes of applying this section. Por- dance with Section 907.6 shall be installed in Group E
tions of Group E occupancies occupied for assembly pur- occupancies. Where automatic sprinkler systems or smoke
poses shall be provided with a fire alarm system as detectors are installed, such systems or detectors shall be
required for the Group E occupancy. connected to the building fire alarm system.
Exceptions:
Exception: Manual fire alarm boxes are not required
where the building is equipped throughout with an 1. A manual fire alarm system is not required in
automatic sprinkler system installed in accordance with Group E occupancies with an occupant load of
Section 903.3.1.1 and the occupant notification appli- 50 or less.
ances will activate throughout the notification zones 2. Emergency voice/alarm communication systems
upon sprinkler water flow. meeting the requirements of Section 907.5.2.2
907.2.1.1 System initiation in Group A occupancies and installed in accordance with Section 907.6
with an occupant load of 1,000 or more. Activation shall not be required in Group E occupancies
of the fire alarm in Group A occupancies with an occu- with occupant loads of 100 or less, provided that
pant load of 1,000 or more shall initiate a signal using activation of the manual fire alarm system initi-
an emergency voice/alarm communications system in ates an approved occupant notification signal in
accordance with Section 907.5.2.2. accordance with Section 907.5.
3. Manual fire alarm boxes are not required in
Exception: Where approved, the prerecorded
announcement is allowed to be manually deacti- Group E occupancies where all of the following
apply:
vated for a period of time, not to exceed 3 minutes,
for the sole purpose of allowing a live voice 3.1. Interior corridors are protected by smoke
announcement from an approved, constantly detectors.
attended location. 3.2. Auditoriums, cafeterias, gymnasiums and
907.2.1.2 Emergency voice/alarm communication similar areas are protected by heat detec-
system captions. Stadiums, arenas and grandstands tors or other approved detection devices.
required to caption audible public announcements shall 3.3. Shops and laboratories involving dusts or
be in accordance with Section 907.5.2.2.4. vapors are protected by heat detectors or
907.2.2 Group B. A manual fire alarm system shall be other approved detection devices.
installed in Group B occupancies where one of the follow- 4. Manual fire alarm boxes shall not be required in
ing conditions exists: Group E occupancies where all of the following
1. The combined Group B occupant load of all floors apply:
is 500 or more. 4.1. The building is equipped throughout with
an approved automatic sprinkler system
2. The Group B occupant load is more than 100 per-
sons above or below the lowest level of exit dis- installed in accordance with Section
903.3.1.1.
charge.

122 2018 INTERNATIONAL FIRE CODE ®
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