(19 d) In a category L3 fire alarm system, fire detection should be installed in all rooms that open onto the escape routes, except that rooms opening onto corridors of less than four metres in length need not be protected, provided fire resisting construction, including
doors separates these corridors from any other section of the escape routes.
fire alarm Installations of this type are easier if using a wireless fire alarm, or Radio fire alarm system.
An open plan area of accommodation, in which occupants will quickly become aware of fire, need not be protected in a Category L3 or L4 fire alarm system, even though occupants within the area clearly need to pass through the area in the first stage of escape, unless it forms part of the escape route from other areas. However, in a Category L3 fire alarm system fire detection, should be installed on the accommodation side of any door that opens into an escape stairway, a corridor of more than four metres in length (or alternatively, where stairways are approached through low fire risk lobbies, any door that
opens onto the lobby).
Fire Systems Ltd, is a fire alarm company based in Kingston Upon Thames. Fire Systems, are a well renowned fire alarm installer who specialise in the installation of wireless fire alarm systems, or also known as Radio fire alarms.
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