division of fire alarm area
Source: https://www.vedardsecurity.com
Date: 2022/10/06
Alarm area is a unit that divides the warning range of automatic fire alarm system according to fire zone or floor
An alarm area includes a plurality of detection areas
The purpose of dividing the alarm area is to determine the location of the alarm and fire
At the same time, it is convenient to solve the problem of fire control system linkage design
The alarm area should be divided according to the fire zone or floor
You can also divide several adjacent fire zones or floors that need to be simultaneously linked with fire fighting equipment into an alarm area in case of fire
One fire display panel has been set up in each alarm area
When an ALARM AREA consists of more than one floor, a fire display panel should be installed on each floor showing the area display of the floor only
Used to display fire information in the fire zone of the floor
To facilitate identification and management
Sound and light fire alarms should be set evenly in each alarm area
An alarm area of a cable tunnel shall consist of a closed length interval
An alarm area shall not exceed 3 contiguous closed length intervals
The alarm area of road tunnel should be determined according to the linkage of smoke exhaust system or fire extinguishing system
And should not exceed 150 meters
The alarm area of the Class A, B and C liquid storage tank area shall consist of one storage tank area
Each external floating roof tank of 50,000 m3 or more shall be separately divided into an alarm area
The alarm area of the train should be divided by carriage
Each carriage shall be divided into an alarm area
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