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. How many fire extinguishers do I need per square foot? The NFPA recommends, for Class A fire risks, one 2 …
Let’s look at another example of an extinguisher with enough of an A-rating to have ft 2 maximum floor area, one might think you could space the extinguishers every 150 ft since you would be 75ft from either extinguisher if you were in the middle, but because most rooms are rectangular this creates gaps where you would be further than 75 ft from an …
NFPA Requirements For Mounting a Fire Extinguisher
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.
The employer shall distribute portable fire extinguishers or other containers of Class D extinguishing agent for use by employees so that the travel distance from the combustible metal working area to any extinguishing agent is 75 feet (22.9 m) or less. Portable fire extinguishers for Class D hazards are required in those combustible metal working areas where combustible …
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How far can a Class A fire extinguisher travel?
If Class A extinguishers are placed at the limit of their maximum travel distance then people might have to travel the entire 75 ft to get the extinguisher and then back another 75 ft to return to the fire in order to extinguish it.
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).
What is the maximum height of a fire extinguisher?
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. It is more manageable for an employee to handle a larger extinguisher if you mount it lower.
How much clearance do you need for a portable fire extinguisher?
According to the Extinguisher Placement and Safety page of OSHA’s Evacuation Plans and Procedures eTool, there must be at least four inches clearance between the floor and the bottom of a portable extinguisher.
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Fire Extinguisher Locations 14-0 Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher