405.2.1 Office buildings.
MC § 405.2.1
Any building where the main use or dominant occupancy is classified in occupancy group B having occupied floors located more than 75 feet (22 860 mm) above the lowest level of fire department vehicle access, where a system serves a floor or floors other than the floor on which the equipment is located, shall be provided with the following controls, in addition to the controls required by this chapter: 1. Manual controls for operating individually each air supply and each exhaust or return fan in the system located as follows: 1.1. At the Fire Command Center, and 1.2. In the room containing the affected air-handling fans.
2.Manual controls for operating individually or in groups each remote control reversible fire shutter, when such shutters are provided in accordance with the provisions of the New York City Building Code, or each smoke damper provided in accordance with the provisions of the New York City Building Code. Such controls shall be located at the Fire Command Center.











