There should be a minimum of 2 extinguishers per floor, unless the upper floor area is very small, i.e. below 100m2, and in single occupancy, in which case, only one extinguisher is required on the upper floor.
What are the 4 types of fire extinguishers used for?
Understanding fire extinguisher classes
- Class A extinguishers will put out fires in ordinary combustibles such as wood and paper.
- Class B extinguishers are for use on flammable liquids like grease, gasoline and oil.
- Class C extinguishers are suitable for use only on electrically energized fires.
When attempting to extinguish a fire you should?
When you attempt to extinguish a fire:
- do not put your life at risk.
- whenever possible call for support and have someone else call triple zero (000) for the fire service.
- ensure that all other people have been evacuated from the house.
Why are there so many types of fire extinguishers?
The theory behind portable fire extinguishers is that the fire can be extinguished by removing any one or more of these four elements. For each class of fire, the fuel, heat source and chain reaction varies, which is why there must be different types of fire extinguishers depending on the class of fire.
What are the 3 methods of extinguishing a fire?
The basic methods for extinguishing a fire are to suffocate it by ensuring that it cannot have access to oxygen, to cool it with a liquid such as water which reduces the heat or finally to remove the fuel or oxygen source, effectively removing one of the three elements of fire.
How often should an extinguisher receive a visual inspection?
Portable fire extinguishers should be inspected by a professional every year, and should receive a visual inspection on a monthly basis. Visual inspections are quick checks to ensure the extinguisher is fully charged and ready for use, and anyone can perform them.
Why is it important to know the different classes of fire while attempting to extinguish fire?
Not all fires are the same, and they are classified according to the type of fuel that is burning. If you use the wrong type of fire extinguisher on the wrong class of fire, you can, in fact, make matters worse. It is therefore very important to understand the four different fire classifications.
How many different types of fire extinguishers are there?
There are 5 classes of fire and portable fire extinguishers will be labeled to show they are suitable to fight one or more of these types.
What is Step 1 of the pass technique?
It’s easy to remember how to use a fire extinguisher if you can remember the acronym PASS, which stands for Pull, Aim, Squeeze, and Sweep. Pull the pin.
How many fire wardens should there be in your workplace?
For low risk properties, you should have one warden for every 50 people. For medium and high risk premises, you should have one warden for every 20 and 15 people respectively.
What is the fourth method of extinguishment?
4 Using a Flame Inhibitor
Flame inhibitors are substances that chemically react with the burning material, thus extinguishing the flames. Dry-chemical fire extinguishers work in this way, and can contain monoammonium phosphate, sodium and potassium bicarbonate and potassium chloride.
Where should fire extinguishers be located?
To avoid putting workers in danger, fire extinguishers should be located throughout the workplace and readily accessible in the event of a fire. [29 CFR 1910.157(c)] You can usually find them in hallways, laundry rooms, meeting rooms, kitchens, mechanical/electrical rooms, and near exit doors.