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2702.2.18 Airport traffic control towers.
Standby power shall be provided in airport traffic control towers in accordance with Section 412.3.9.
2702.2.19 Smokeproof enclosures and pressurized elevator shafts.
Standby power shall be provided for smokeproof enclosures as required by Section 909.20.6.2 and for pressurized elevator shafts provided in accordance with Section 3006.1.
2702.2.20 Occupancy Groups B, E and R-1.
Emergency and standby power system shall be required throughout those Group B, E and R- 1 occupancies specified in this section:
1. Group B occupancies with occupied floor less than 75 feet (22 860 mm) above the lowest level of fire department vehicle access having a gross floor area over 15,000 square feet (1393.6 m
2
) on each floor, or having a total gross floor area of 100,000 square feet (9290.3 m
2
) or more.
2. Group E occupancies with occupied floor less than 75 feet (22 860 mm) above the lowest level of fire department vehicle access having a gross floor area over 15,000 square feet (1393.6 m
2
) on each floor, or having a total gross floor area of 100,000 square feet (9290.3 m
2
) or more.
3. All Group R-1 occupancies.
2702.2.20.1 Equipment requiring emergency power system.
With respect to such Occupancy Groups B, E and R- 1, the following equipment, where such equipment is required by this code, shall be provided with an emergency power system:
1. Exit signs and means of egress illumination required by Chapter 10;
2. Elevator car lighting;
3. Emergency voice/alarm communications systems, including Fire Department in-building Auxiliary Radio Communication systems (ARCs) provided where required or installed voluntarily in accordance with Section 916;
4. Automatic fire detection systems;
5. Fire alarm systems; and
6. Electrically powered fire pumps, including manual fire pumps, automatic fire pumps and sprinkler booster pumps.
2702.2.20.2 Equipment requiring standby power system.
With respect to such Occupancy Groups B, E and R-1, the following equipment, where such equipment is required by this code, shall be provided with a standby power system:
1. Ventilating systems used for smoke venting or control;
2. Stair pressurization;
3. At least three elevators in a building at one time with manual transfer to other elevators as required by Section 3003; and
4. Power and lighting for the fire command center required by Section 403.4.6.
2702.2.21 Continuously operating HVAC systems.
Standby power systems shall be provided for fans or fan systems being designed in accordance with Section 607.5 of the New York City Mechanical Code and Section 717 of this code.
2702.2.22 Gas detection systems.
Emergency power systems shall be provided for gas detection systems in accordance with Section 918.5.
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