False Alarm In Toronto Buildings


False fire alarm problem continues in Glamorgan buildings. False alarm in buildings is a problem for fire fighters and building residencies in Toronto. False alarm happens for mechanical failure, equipment malfunction, or misuse of manual pulling system of fire alarm boxes. Also drug abuse or low amount of smoke can cause it’s activation. High frequency sounds can affect on hearing specially in baby ears. The majority of fire alarms signals have a frequency between 2 KHz and 4 KHz and produces sound pressure levels between 45 and 120 dB at ten feet. Sounds louder than 85 decibels can cause hearing loss. The louder sound, the shorter the amount of time it takes for NIHL to happen.

CITY PULSE, Magazine

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