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Journal Article

Citation

Robinson DA. Fire Safety J. 1988; 14(1-2): 5-12.

Copyright

(Copyright © 1988, Elsevier Publishing)

DOI

unavailable

PMID

unavailable

Abstract

The sound pressure level of an audible alarm signal can be significantly attenuated by the acoustical characteristics of the building design and contents. The typical dormitory, hotel or similar residential occupancy has fire alarm signaling devices placed in the corridors with the expectation than an "acceptable" sound level will be achieved in the sleeping areas. If 75 A-weighted decibels (dBA) is the design criteria in the sleeping room location, then it becomes difficult for the design engineer to achieve this design goal with corridor-mounted audible devices. Further, the emphasis in modern construction is to reduce noise using boundary treatments and increase sound transmission losses of walls and doors. This paper examines issues related to the attenuation of audible fire alarm signals in buildings and reviews the performance of room-mounted audible fire alarm signaling devices in a university residential building.

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