Fire safety awareness session (white)
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Transcript of Fire safety awareness session (white)
![Page 1: Fire safety awareness session (white)](https://reader036.fdocuments.net/reader036/viewer/2022070513/5888f0931a28ab87728b663b/html5/thumbnails/1.jpg)
Basic Fire SafetyAwareness Session
Instructor Ali Reza
Pakistan Emergency Response Learning Program
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Chemistry of Fire
Definition Fire is a chemical reaction in which fuel and
oxygen is chemically combines with suitable heat. And creates flame and different dangerous gasses is called FIRE
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Triangle of Fire
Three things must be present at the same time to produce fire:
• Suitable OXYGENOXYGEN to sustain combustion• Suitable HEATHEAT to reach ignition temperature• Suitable FUELFUEL or combustible materialTogether, they produce the CHEMICALCHEMICAL REACTION REACTION that is fire
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Classification of Fire
A, class of fire = Solid fireB, class of fire = Liquid fireC, class of fire = Gas fireD, class of fire = Chemical/Metal fireE, class of fire = Electric fireK, class of fire = Kitchen fire
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Split of Fire
Conduction
Convection
Radiation
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Method of extinguish
Cooling Method
Smothering Method
Starvation Method
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Common causes of Fire
Burning of cigarettesChildren playing with fireOverheating of electric appliancesBoosting of StoveBurning of charcoalSmolderingNaked lampsFriction
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Special causes of Fire
• Chemical Reaction• Biological effects• Nuclear effects• Dust/vapors explosion• Arson/Sabotage• Short circuit
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Fire Fighting Techniques
• Safety procedure• Trained Personals• Personal protective equipment (PPE)
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Fire extinguisher
Dry Chemical Powder
Carbon di Oxide
AFFF (Aqueous film forming foams)
Soda acid
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Installation
• Smoke detector• Heat detector• Infra-red detector (Flame)• Hydrant system• Sprinkler system
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P.A.S.SIt’s easy to remember how to use a fire
extinguisher if you remember the acronym PASS
P= PullA= AimS= SqueezeS= Sweep
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How to Use a Fire ExtinguisherPPull the pin…
This will allow you to discharge the extinguisher
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How to Use a Fire Extinguisher
AAim at the base of the fire
Hit the fuel.If you aim at the flames...
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How to Use a Fire Extinguisher
SSqueeze the top handle…
SSqueeze the top handle…
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How to Use a Fire Extinguisher
SSweep from side to side…
.. until the fire is completely out... until the fire is completely out.
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Rules for Fighting FiresFires can be very dangerous and you should always be certain that you will not endanger yourself or others when attempting to put out a fire.
For this reason, when a fire is discovered…
1. Assist any person in immediate danger to safety, if it can be accomplished without risk to yourself.
2. Call 16 or activate the building fire alarm.
If the fire is small (and Only after having done these 2 things), you may attempt to use an extinguisher to put it out.However . . . .However . . . .
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Rules for Fighting Fires. . . before deciding to fight the fire, keep these things in mind:
1. Know what is burning. If you don’t know what’s burning, you won’t know what kind of extinguisher to use.
2. Even if you have an ABC fire extinguisher, there may be something in the fire that is going to explode or produce toxic fumes.
Chances are you will know what’s burning, or at least have a pretty good idea, but if you don’t, let the fire department handle it.
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Rules for Fighting Fires
. . . before deciding to fight the fire, keep these things in mind:
3. Is the fire spreading rapidly beyond the point where it started? The time to use an extinguisher is at the beginning stages of the fire.
4. If the fire is already spreading quickly, it is best to simply evacuate the building.
As you evacuate a building, close doors and windows behind you as you leave. This will help to slow the spread of smoke and fire.
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Rules for Fighting Fires
The final rule is to always position yourself with an exit or means of escape at your back before you attempt to use an extinguisher to put out a
fire.
In case the extinguisher malfunctions, or something unexpected happens, you need to be able to get out quickly. You don’t want to
become trapped.
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.
Rules for Fighting FiresDo not fight the fire if:
You don’t have adequate or appropriate equipment. If you don’t have the correct type or large enough extinguisher, it is best not to try fighting the fire.
You might inhale toxic smoke. When synthetic materials such as the nylon in carpeting or foam padding in a sofa burn, they can produce hydrogen cyanide, acrolein, and ammonia in addition to carbon monoxide. These gases can be fatal in very small amounts.
Your instincts tell you not to. If you are uncomfortable with the situation for any reason, just let the fire department do their job.
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THE ENDThank you for being with us
PAKISTAN EMERGENCY RESPONSE LEARNING
PROGRAM