907.2.9.1.2 Automatic fire alarm system.
BC § 907.2.9.1.2
An automatic fire alarm system without alarm notification appliances shall be installed in accordance with this section in Group R-2 student apartments and student- related uses. The activation of any smoke detector required by this section shall initiate a signal at a central supervising station or a constantly attended location. Smoke detectors shall be located as follows: 1. In each mechanical equipment, electrical, transformer, telephone equipment or similar room, in elevator machine rooms, and in elevator lobbies.
2.In air distribution systems in accordance with Section 606 of the New York City Mechanical Code.
3.Throughout all public corridors serving student apartments and student-related uses. Student-related uses shall include common spaces such as recreation rooms, lounges, dining rooms, laundry rooms and storage rooms. However, smoke detectors shall not be required in such public corridors in buildings containing fewer than 15 student apartments. Exception: An automatic fire alarm system is not required in buildings not over two stories in height where all individual dwelling units and contiguous attic and crawl spaces are separated from each other and public or common areas by at least 1-hour fire barriers and each individual dwelling unit has an exit directly to a public way, exit court or yard.













