907.2.13.3 Two-way communication system.
BC § 907.2.13.3
A two-way voice communication system (warden) phone that complies with the requirements of NFPA 72 shall be provided in the following locations and shall comply with the following requirements. Such phones shall communicate with the fire command center.
1.In Group B high-rise office buildings and large area office buildings, there shall be a minimum of two phones located on every floor accessible to all occupants, with each phone located within five feet of a different exit stair.
2.Where elevator lobbies are permitted to be locked, the phones provided are permitted to be connected to the fire alarm system.
3.If phones are provided in areas of rescue assistance and refuge areas, the phones are permitted to be connected to the fire alarm system.
4.Where phones are provided to meet the requirements for stairway communication systems in Section 403.5.3.1, the phones are permitted to be connected to the fire alarm system.
5.In all Group I-2 buildings, there shall be a phone located at staff attended locations, such as nurses' stations or similar locations accessible to all staff members, on every patient floor per fire/smoke zone. Phones shall also be located in areas of the building where the fire alarm does not sound. Exception: Group R-2 occupancies. (Am. L.L. 2023/077, 6/11/2023, eff. 6/11/2023) Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2023/077.













