![]() L1 provides for Automatic Fire Detection (AFD) to be installed into all areas of a building. Life protection systems can be divided into various categories, L1, L2, 元, L4, L5. Heat detectors may be acceptable (in certain circumstances)Ĭategory L Fire Alarm Systems – Life Protection.There are no escape routes – only corridors. ![]() Manual call point units are not essential.The objective of a category P is to provide the earliest warning of a fire to minimise the time taken from ignition of a fire to detection and the subsequent attendance by the fire services, minimising loss to the property. P1 protects the whole building, P2 is installed in defined parts of the building only. These types of systems are purely for the protection of property and fall into two classifications, P1 and P2. ![]() This is normally determined by a Fire Risk Assessment and should be provided as part of the fire system specification.īS5839 splits fire alarm systems into 3 system design categories: Category P Systems Category L Systems Category M Systems Category P Fire Alarm Systems – Property Protection Before a fire protection system can be designed, it is necessary to define the main objectives of the system. ![]()
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