Current through Register Vol. 56, No. 21, November 4, 2024
Section 5:70-4.17 - High rise buildings(a) In addition to all other applicable provisions of this code, high rise buildings shall conform to the provisions of this section.(b) All high rise buildings of Use Groups M and R-1 shall be equipped throughout with an approved automatic fire suppression system installed in accordance with the New Jersey Uniform Construction Code.(c) All high rise buildings of Use Groups B and R-1 shall be equipped with central control station and communication systems as follows: 1. An approved public address communication system consisting of loudspeakers on each floor of the building, in each elevator and elevator lobby and in each stair enclosure which shall be capable of being operated from the central control station;2. A two-way fire department communication system which shall operate between the central control and every elevator, elevator lobby and entry to enclosed exit stairways;3. A central control station for fire department operations shall be provided in a location approved by the fire department. It shall contain where applicable the public address system panel; the fire department communications panel; fire detection and alarm system annunciator panels; status indicators and controls for air handling systems; sprinkler valve and water flow detector display panels; and status indicators and a telephone for fire department use with controlled access to the public telephone system.(d) The following shall apply to mechanical systems: 1. In all high rise structures, each re-circulating air system which serves more than one floor shall be equipped with approved smoke and heat detection devices in accordance with the Uniform Construction Code. The devices shall stop the fan(s) automatically and shall be of the manual reset type. Automatic fan shutdown is not required when the system is part of an approved smoke removal or smoke control system.(e) Elevators in high rise structures shall be equipped with the following emergency control devices: 1. All automatic (non-designated attendant) elevators having a travel of 25 feet or more above or below the designated level shall be equipped with Phase 1 Emergency Recall Operation as required by ASME A17.1 Rules 211.3a and 211.3b listed in Appendix 3-A to 5:70-3;2. Access to all floors shall be provided by at least one elevator equipped with Phase II Emergency In-Car Operation, as required by ASME A17.1, Rule 211.3c listed in Appendix 3-A to 5:70-3; and3. All designated attendant elevators having a travel of 25 feet or more above or below the designated level shall be equipped with emergency controls, as required by ASME A17.1 Rule 211.4 listed in Appendix 3-A to 5:70-3.(f) In all high rise buildings of Use Groups R-1 and R-2, smoke barriers conforming to 5:70-4.15(a) shall be provided around all elevator landings on every floor above the main floor level, with the following exceptions:1. Such lobbies are not required in buildings provided with a complete automatic fire suppression system.2. The smoke barrier shall be permitted to terminate at the ceiling, provided the ceiling membrane provides resistance to the passage of smoke equivalent to that provided by smoke barriers.N.J. Admin. Code § 5:70-4.17
Amended by 50 N.J.R. 729(a), effective 2/5/2018