Heads up: There are no amended sections in this chapter.
Emergency and standby power systems shall be installed in accordance with the New York City Electrical Code, NFPA 110 and NFPA 111.
Systems relying on fuel supplies shall have an on-premises fuel supply sufficient for not less than 6-hour full-demand operation of the system. However, natural gas from the public utility street main shall be permitted as the sole fuel supply for (i) emergency power systems serving R-2 occupancies and (ii) standby power systems, provided that an outside gas cut-off valve separate from other gas services is installed in accordance with Section E.6 of Appendix E of the New York City Fuel Gas Code.
Stationary emergency and standby power generators shall be listed in accordance with UL 2200 and shall comply with Sections 2702.1.2.1 through 2702.1.2.3.
Equipment and fuel tanks located within the emergency generator room shall be limited to equipment and fuel tanks associated with the emergency and standby power systems. Piping within the room shall be limited to sprinkler piping.
- Uninterrupted conduits not associated with the emergency and standby power system may pass through the emergency generator room.
- Piping associated with generator cooling systems may be located within the emergency generator room.
The emergency and standby power systems shall have capacity and ratings that supply all equipment required to be operational at the same time.
Where electrically powered fire pumps are connected to the emergency power system, overcurrent protection and feeder conductors shall be provided in accordance with the New York City Electrical Code. Automatic transfer switches shall be located in the same room as the fire pump as an integral part of the pump controller.
Emergency and standby power systems shall be provided where required by this section.
Standby power shall be provided for horizontal sliding doors in accordance with Section 1008.1.4.3.
Standby power for elevators, including elevators provided to accommodate ambulance stretchers pursuant to Section 3002.4, shall be provided as set forth in Section 3003.1. Controls, elevator cab light, ventilation and associated equipment required for elevator operation shall be connected to emergency power.
Emergency and standby power shall be required in those Group B, E and R-1 occupancies specified in this section:
- Group B occupancies with occupied floor less than 75 feet (22 860 mm) above the lowest fire department vehicle access having a gross floor area over 15,000 square feet (1393.6 m2) per floor or a total gross floor area of 100,000 square feet (9290.3 m2) or more.
- 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 m2) per floor or a total gross floor area of 100,000 square feet (9290.3 m2) or more.
- All Group R-1 occupancies.
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:
- Exit signs and means of egress illumination required by Chapter 10;
- Elevator car lighting;
- 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 917;
- Automatic fire detection systems;
- Fire alarm systems; and
- Electrically powered fire pumps, including manual fire pumps, automatic fire pumps and sprinkler booster pumps.
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:
In addition to any other loads, optional standby power systems shall be capable of providing power to the following systems upon failure of the normal power supply or the emergency or standby power system:
- Emergency lighting;
- Fire alarm systems; and
- Elevators as follows:
- For Group R-2 occupancies in buildings greater than 125 feet (38 100 mm) in height, at least one elevator serving all floors, or one elevator per bank where different banks serve different portions of the building; or
- For all other buildings having occupied floors located more than 75 feet (22 860 mm) above the lowest level of fire department vehicle access, at least one elevator that serves all floors.