Fire Alarm System Design
Afire alarm systemis a building system designed to detect, alert occupants, and alert emergency forces of the presence offire,smoke,carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings. They may include smoke detectors, heat detectors, and manual fire alarm activation devices (pull stations). All components of a fire alarm system are connected to afire alarm control panel. Fire alarm control panels are usually found in an electrical or panel room. Fire alarm systems generally use visual and audiosignalizationto warn the occupants of the building. Some fire alarm systems may also disableelevators, which are unsafe to use during a fire under most circumstances.[1]
The Metropolitan Borough of Bolton /ˈboʊltən/ (About this soundlisten) is a metropolitan borough of Greater Manchester, England, named after its largest town, Bolton, but covering a far larger area which includes Blackrod, Farnworth, Horwich, Kearsley, Westhoughton, and part of the West Pennine Moors. It has a population of 276,800.
The boundaries were set by the Local Government Act 1972, and cover eight former local government districts; seven Urban Districts from the administrative county of Lancashire, and the County Borough of Bolton. The metropolitan districts of Bury, Salford and Wigan lie to the east, south and west respectively; and the unitary authority of Blackburn with Darwen and the non-metropolitan district of Chorley in Lancashire to the north and north-west.