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904.3.2 Activation.
Unless otherwise provided by this code or the rules, fire extinguishing systems shall be designed and installed to activate automatically. Automatically activating fire extinguishing systems shall additionally be provided with a manual means of activation.
904.3.3 System interlocking.
Automatic equipment interlocks with fuel shutoffs, ventilation controls, door closers, window shutters, conveyor openings, smoke and heat vents, and other features necessary for proper operation of the fire extinguishing system shall be provided as required by the construction code or other design and installation standard utilized for the hazard.
904.3.4 Alarms and warning signs.
Where alarms are required to indicate the operation of fire extinguishing systems, distinctive audible, visible alarms and warning signs shall be provided to warn of pending agent discharge. Where exposure to automatic-extinguishing agents poses a hazard to persons and a delay is required to ensure the evacuation of occupants before agent discharge, a separate warning signal shall be provided to alert occupants once agent discharge has begun. Carbon dioxide fire extinguishing systems, where allowed, shall comply with the signage requirements of NFPA 12.
904.3.5 Monitoring.
All indoor fire extinguishing systems, except commercial cooking, domestic cooking and spray finishing fire extinguishing systems, installed after the effective date of this section shall be monitored by an approved central station. Where a building fire alarm system is installed, all such indoor fire extinguishing systems, except domestic cooking systems, shall be monitored by such fire alarm system.
Non-water fire extinguishing system control panels located in areas of special flood hazard or on the premises of Group I-2 occupancies that are hospitals located in shaded X-Zones (as defined in Section G201.2 of Appendix G of the Building Code) shall be located at or above the design flood elevation in accordance with Appendix G of the Building Code.
904.3.7 Additional safety measures.
Additional safety measures shall be provided for the fire extinguishing systems as set forth in FC 904.3.7.1 and 904.3.7.2.
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