The distance between fire extinguishers depends on the type of fire that is likely to occur and the class of extinguishers you have. It ranges from 30 feet for some types of Class B extinguisher to within 75 feet for Class A and a maximum of 75 feet from a Class D hazard.
Extinguishers need to be installed at least 4 inches off the ground up to a maximum of 5ft. The exception to this is for extinguishers heavier than 40 lbs, they can only be up to 3 ft 6 inches off the ground and wheeled fire extinguishers don’t need to be off the ground since the wheels already keep the cylinder from touching the floor.
How Many Fire Extinguishers Do You Need? – SelectSafety
Each floor in a building with an area less than or equal to 4300 square feet should have at least two fire extinguishers. For a floor with an area exceeding 4300 square feet, the fire extinguishers should have a combined …
Fire extinguishers within the same room must be within 75 feet radius without any spaces between them. So, inside a single room, a person will be closer than 75 feet to each fire extinguisher due to overlapping radius. This means that the maximum distance between fire extinguishers within a single, open (no walls) rectangular room is 106 ft.
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How many fire extinguishers do I need per square foot?
How many fire extinguishers do I need per square foot? The NFPA recommends, for Class A fire risks, one 2-A extinguisher for every 3,000 square feet.
How high should a fire extinguisher be off the ground?
If an extinguisher weighs less than 40 lbs, the carrying handle should be no more than 5 ft from the ground. Any heavier than 40 lbs and the handle should be no more than 3.5 ft from the floor. These heights reflect the requirement that employees should be able to access a fire extinguisher without risking an injury.
What is the floor area of a Class A fire extinguisher?
The maximum travel distance is often the limiting factor but for certain Class A extinguishers there is an additional floor area limitation. This maximum floor area that a single extinguisher can cover is directly related to the numerical A rating and level of hazard occupancy but reaches a maximum of 11,250 ft 2.
How close to a fire extinguisher can an employee have access?
Employees should have access to a fire extinguisher within either 30 or 50 feet, depending on the hazard in question and the rating of the extinguisher (see below).
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher