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403.4.6 Fire command.
A fire command center complying with Section 911 shall be provided in a location approved by the Fire Department.
403.4.7 Post-fire smoke purge.
A post-fire smoke purge system shall be installed in accordance with Section 917.
403.4.8 Standby and emergency power.
403.4.8.1 Equipment room.
If the standby or emergency power system includes a generator set inside a building, the system shall be located in a separate room in accordance with Section 2702.1.2.2.
403.4.8.2 Fuel line piping protection.
Fuel lines supplying a generator set inside a building shall comply with Section 1305.9 of the New York City Mechanical Code.
403.4.8.3 Standby power systems.
A standby power system complying with Section 2702 shall be provided for standby power loads specified in Sections 403.4.8.3.1 and 403.4.8.3.2. Fuel sources for generators shall be in accordance with Section 2702.1.1.
403.4.8.3.1 Standby power loads in occupancies other than Group R-2.
In buildings of any occupancy group other than Group R-2, the following are classified as standby power loads:
1. Power and lighting for fire command center required by Section 403.4.6;
2. Ventilation and automatic fire detection equipment for smokeproof enclosures;
3. Elevators, in accordance with Section 3003; and
4. Stair pressurization systems when provided.
403.4.8.3.2 Standby power loads in Group R-2 occupancies.
Group R-2 occupancies in buildings greater than 125 feet (38 100 mm) in height shall be required to provide a standby power system to support the following loads:
1. Power and lighting for fire command center required by Section 403.4.6;
2. Ventilation and automatic fire detection equipment for smokeproof enclosures;
3. At least one elevator serving all floors, or one elevator per bank where different banks serve different portions of the building; and
4. Stair pressurization systems when provided.
403.4.8.4 Emergency power systems.
An emergency power system complying with Section 2702 shall be provided for emergency power loads specified in Sections 403.4.8.4.1 and 403.4.8.4.3. Fuel sources for generators shall be in accordance with Section 2702.1.1.
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