Evacuation and alarms and notifications can be challenging in assembly occupancies, and there are a number of provisions in NFPA 72, National Fire Alarm and Signaling Code, for signaling and communicating with people during an emergency evacuation.
"Because assembly occupancies present a number of fire and emergency messaging challenges, the designer must ensure that the required fire alarm systems and public address systems interface properly,” Moore writes. “The designer also must present a clear design narrative, so that the authority having jurisdiction may fully understand the interfaced operation prior to approving it. Meeting these challenges requires a strong background in the codes as well as a thorough knowledge of sound and communications principles.”
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