fire service day
TRANSCRIPT
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REFRESHER COURSEFIRE DEPT.
• FUNDAMENTAL• EXTINGUISHER• SCBA• CASE STUDY
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Definitions: Fire Triangle
• To burn a fire needs fuel, an ignition source (like a spark) and oxygen.
• Remove any of these and the fire will go out
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Definition: Flashpoint
• Flashpoint is the temperature at which a liquid gives off sufficient vapor to ignite if an ignition source is present.
• Typically the lower the flash point, the greater the fire hazard. Any substance with a flashpoint near or below room temperature should be handled as posing a real fire hazard.
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Definitions: Flammable and Combustible
• Combustible liquids have flashpoints above 37.77º C.
• Flammable liquids have flashpoints below 37.77º C
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Classes of FiresOrdinary Combustibles: paper, cloth, Ordinary Combustibles: paper, cloth, upholstery, trash, most plastic, wood...upholstery, trash, most plastic, wood...
Flammable liquids and greases; Flammable liquids and greases; petrol, diesel, kerosene, oil, paint, petrol, diesel, kerosene, oil, paint, cleaning fluids, cooking oil...cleaning fluids, cooking oil...
Energized electrical components: Energized electrical components: appliances, wiring...appliances, wiring...
Combustible metals: potassium, Combustible metals: potassium, magnesium...magnesium...
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“PASS” Method
(Other types require slightly (Other types require slightly different techniques.)different techniques.)
P Pull the pin. Hold the extinguisher with nozzle
pointing away from you
and release the locking mechanism
A Aim low. Point the extinguisher at the base of
the fire
S Squeeze / Strike the lever
S Sweep the nozzle from side to side.
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Fire Extinguisher Training• Take fire
extinguisher training• Never attempt to
fight fire unless you have complete confidence you can put it out
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Monthly Inspections
• Fire Services inspects fire extinguishers on a monthly basis
• If you come across an extinguisher that has not been checked recently, please notify Fire Services
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Firefighting Decision Criteria
• KnowKnow locations of extinguishers in your area and how to use them.
• AlwaysAlways sound the alarm regardlessregardless of fire size.
• AvoidAvoid smoky conditions.
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Decision Tree
• Don’tDon’t attempt to fight unless:– Alarm is sounded. – Area is being evacuated.– Someone has called for help.– Fire is small and contained.– You have safe egress route (can be
reached without exposure to fire).• If in doubt, evacuate!evacuate!
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REACT upon discovery of fire or smokefire or smoke
Remove persons in immediate danger!
Ensure doors are closed! (confine fire/smoke)
Activate the building alarm !
Call for help !
Treat ALL fires as DANGEROUS!– Continue a complete building evacuation
– Do not attempt to fight a fire UNLESS you are trained and confident in use of a fire extinguisher #
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Be Cautious !!!!for
• FIRE IS NOT SPREADING (small and contained)
• EXIT IS CLEAR (fight fire with your back to an exit )
• HAVE SOMEONE BACK YOU UP!• GET ASSISTANCE BEFORE TRYING TO FIGHT A FIRE!
• SMOKE – dangerous gases #
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OK, It’s out…Now What?
• WATCH the fire area
– If the fire flares up again repeat!
– If you can’t control the fire, LEAVE immediately!
– Evacuate building and go on closing the door.
• Recharge or replace any used fire extinguisher!
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LETS REVISESCBA
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When do we use SCBA?
• Oxygen deficient atmospheres / confined spaces.
• Gas incidents.
• Chemical incidents.
• Salvage and clean-up operations.
• True unknowns.
• Whenever in doubt.
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S.C.B.A. can’t protect you from:
• Gases absorbed through skin
• Intense heat
• Empty air supply
• Radiation
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How much time do you have with the SCBA?
• It’s never enough, but you have about 30 minutes if:
• You’re in good cardiovascular health.
• Not stressed out.
• Good fit on mask
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Factors that affect fit of mask
• Weight gain/loss
• Facial hair
• Shape of face
• Good seal
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Safety Check
• Cylinder pressure
• Low air alarm (Warning Whistle)
• High pressure line
• Regulator
• Mainline valve
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Safety Check cont.
• Low pressure hose
• Damaged Visor
• Face piece straps
• Face piece seal
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CASE STUDY:
LEARN BEFORE IT BURNS YOULEARN BEFORE IT BURNS YOU
THANK YOU
Learn before you need it
•Powerful Explosion – Petrol PumpBack DraftB.P.TexasBuncefieldBlast wave