This document discusses operating fire extinguishers. It begins by outlining the learning objectives which are to demonstrate understanding of operating a fire extinguisher, differentiate between 6 types, and appreciate their use in fire response. It then defines a fire extinguisher, explains the fire triangle of fuel, heat, and oxygen. It classifies fires and describes the 6 types of fire extinguishers. It provides safety precautions and the 4 simple PASS steps to operate an extinguisher: Pull the pin, Aim at the base, Squeeze the lever, Sweep from side to side.

1. Operating Fire Extinguishers
Emmanuel Byaruhanga
MPH

2. Learning Objectives
• By the end of this session, learners should:-
• Demonstrate understanding of the skill of operating a fire extinguisher
• Be able to differentiate between the 6 basic types of fire extinguishers
• Appreciating the use of fire extinguishers during response to fire
outbreaks

3. Outline
• What is a fire extinguisher?
• The fire triangle
• Classification of fires (based on the cause or source)
• Types of fire extinguishers
• Safety precautions while putting out a fire
• 4 simple steps of operating a fire extinguisher to put out fire

4. What is a fire extinguisher
• A fire extinguisher is an active fire protection device used to put out
or control small fires, often in emergency situations.
• It is not intended for use on an out-of-control fire, such as one which
has reached the ceiling.
• This may endanger the user as there may be no escape route,
excessive smoke, explosion hazard, etc
• Such extensive fires .(out of control) will require the expertise of a fire
brigade.

5. The Fire Triangle
• Fire is a three PART chemical
Reaction
1. Fuel
2. Heat
3. Oxygen

6. Variation in the Degree of hotness
• At the eye level, the
temperature reaches above
600o C
The temperature is around
100o C at the ground level
600o C
100o C

10. Multipurpose Fire Extinguishers
• Also called dry chemical extinguishers
• They act by separating the fuel element of the fire from the oxygyen
supply
• Also called the A, B, C fire extinguishers
• Because they put out A, B, C fires
• Good for ordinary furniture fires, Nail polish removers, electrical
appliances,

11. Class D
• For combustible metals, that burn at high degrees
• For example
• Magnesium, Tutanium, causing violent reactions
• Class K
• Suitable for Restaurants where deep frying using hot oils is prevalent

12. 1. If a house catches fire and you are inside, what do you do
• a) Pick out your variable documents
• b) Get out of the house
• c) Check for service of fire
• d) Look for water to stop the fire
2. What is the first step of using the fire extinguisher in case of fire
• a) Hold it properly knock the nozzle upright
• b) Hold the nozzle upright and direct it towards fire
• c) Hold the extinguisher and go straight to the source of fire
• d) Check for expiry date

13. What to do!
• Call the fore department
• Pull a fire alarm
• If the fire is small and you feel you can handle, use the fire extinguisher
that is appropriate and easy to reach
• If the fire is spreading fast, Evacuate the area immediately
• The fire extinguisher should be fully charged and large enough to put out
the fire in 10 seconds
• Do not start to fight the fire until everybody has left the area
• Identify the exit which should be behind you as you face the fire
• Do not hesitate to quit if smoke intensifies and fills the room

14. Remember 4 simple steps
• P.A.S.S
•P. Pull the Pin to free the lever
• stand 6 to 8 feet from the fire
•A. Aim at the base of the fire by pointing the fire hose
•S. Squiz the lever that operates the extinguisher
•S. Sweep from side to side