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When do you have to have voice messaging in audible alarm notifications (Assembly Occupancy)?

Question asked by jzour on Jan 9, 2020
Latest reply on Jan 16, 2020 by deanh

I have been scouring NFPA 101 and NFPA 72 and have not been able to determine when an assembly occupancy must add voice to their fire alarm system. Any help in pointing me towards the right portion of the code I would appreciate it.

What are the parameters or triggers that require an assembly occupancy to have add voice to an fire alarm system?

Do these requirements apply to new and old buildings?