I attended a fire risk assessment course recently and during a discussion with the tutor regarding fire alarm automatic detection , he explained that automatic detection is not required in a office type building environment as the people detect fires quicker then fire detection. However, I disagree, as humans will not always be in the place where a fire may start. The point of fire alarm automatic detection is to give the staff the earliest form of warning that a fire has started. What is the point of the L standards within BS5839, if not to guide the fire alarm designer of the locations of the fire detection required?
Having a manual fire alarm system in a open environment is practical as the visual ability to see all the area assist in located the fire and enabling staff to activate the fire alarm.
However, all of the above, is to be decided after a fire risk assessment is conducted by a competent person.
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