403.4 - Emergency systems
The detection, alarm and emergency systems of high-rise buildings shall comply with Sections 403.4.1 through 403.4.8.
403.4.1
Smoke detection. Smoke
detection shall be provided in accordance with Section 907.2.13.1.
[F]
403.4.2
Fire alarm
system. A fire alarm system shall be provided in accordance with Section
907.2.13. [F]
403.4.3
Emergency voice/alarm communication system. An emergency voice/alarm
communication system shall be provided in accordance with Section 907.5.2.2.
[F]
403.4.4
Emergency
responder radio coverage. Emergency responder radio coverage shall be
provided in accordance with Section 510 of the International Fire
Code. [F]
403.4.5
Fire command. A fire command center complying with Section 911 shall be
provided in a location approved by the fire department.
[F]
403.4.6
Smoke
removal. To facilitate smoke removal in post-fire salvage and overhaul
operations, buildings and structures shall be equipped with natural or
mechanical ventilation for removal of products of combustion in accordance with
one of the following:
1. Easily identifiable,
manually operable windows or panels shall be distributed around the perimeter
of each floor at not more than 50-foot (15 240 mm) intervals. The area of
operable windows or panels shall not be less than 40 square feet (3.7
m2) per 50 linear feet (15 240 mm) of perimeter.
Exceptions:
1. In Group R-1 occupancies, each
sleeping unit or suite having an exterior
wall shall be permitted to be provided with 2 square feet (0.19
m2) of venting area in lieu of the area specified in
Item 1.
2. Windows shall be
permitted to be fixed provided that glazing can be cleared by fire
fighters.
2. Mechanical
air-handling equipment providing one exhaust air change every 15 minutes for
the area involved. Return and exhaust air shall be moved directly to the
outside without recirculation to other portions of the building.
3. Any other approved design
that will produce equivalent results.
403.4.7
Standby power. A standby
power system complying with Chapter 27 shall be provided for standby power
loads specified in Section 403.4.7.2. [F]
403.4.7.1
Special requirements for
standby power systems. If the standby system is a generator set inside a
building, the system shall be located in a separate room enclosed with 2-hour
fire barriers constructed in accordance with Section 707 or
horizontal assemblies constructed in accordance with Section
712, or both. System supervision with manual start and transfer features shall
be provided at the fire command center. [F]
403.4.7.2
Standby power loads.
The following are classified as standby power loads: [F]
1. Power and lighting for the fire command
center required by Section 403.4.5;
2. Ventilation and automatic fire detection
equipment for smokeproof enclosures; and
3. Standby power shall be provided for
elevators in accordance with Sections 1007.4, 3003, 3007 and 3008.
403.4.8
Emergency power systems. An emergency power system complying with
Chapter 27 shall be provided for emergency power loads specified in Section
403.4.8.1. [F]
403.4.8.1
Emergency power
loads. The following are classified as emergency power loads: [F]
1. Exit signs and means of
egress illumination required by Chapter 10;
2. Elevator car lighting;
3. Emergency voice/alarm communications
systems;
4. Automatic fire
detection systems;
5. Fire alarm
systems; and
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.