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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]
Northallerton (/nɔːrˈθælərtən/ nor-THAL-ər-tən) is a market town and civil parish in North Yorkshire, England. It is near the River Wiske in the Vale of Mowbray and had a population of 16,832 in 2011.[1] Northallerton is an administrative centre for York and North Yorkshire Combined Authority and North Yorkshire Council.[2]
There has been a settlement at Northallerton since Roman times. That grew in importance from the 11th century when King William II gifted land there to the Bishop of Durham, and it became an important religious centre. The Battle of the Standard fought nearby in 1138 involved the death of up to 12,000 Scots.[3]
Northallerton was an important stopping point for coaches on the road between Edinburgh and London until the arrival of the railway.[4]
