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In addition to any other loads, optional standby power systems shall be capable of providing power to the following standby and emergency power loads upon failure of the normal power supply:
  1. Emergency lighting;
  2. Fire alarm systems; and
  3. Elevators as follows:
    1. 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
    2. 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.
Exception: Backup power systems that provide backup power for non-accessory public telecommunications equipment, such as rooftop telecommunications antennas, cooling equipment, routers, etc., need not provide power to the standby and emergency power loads listed in this section.
2702.4.1 Additional Optional Standby Power Systems
Where a functioning emergency power system or required standby power system is in place and provides power to all required emergency or required standby power loads, any additional optional standby power system need not supply power to such emergency or required standby power loads.
2702.4.2 Compliance With NFPA 110 and UL 2200
Where an optional standby power system is required to supply emergency or required standby power loads, such power system shall comply with the UL 2200 listing and NFPA 110.
2702.4.3 Special Inspection
Where an optional standby power system is required to supply emergency or required standby power loads, such power system shall be subject to special inspection in accordance with Section 1704.31 and the rules of the department.
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