2014-04-25 PPT Portable Fire Extinguishers

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Transcript 2014-04-25 PPT Portable Fire Extinguishers

PORTABLE FIRE
EXTINGUISHERS
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Class Objectives

Elements necessary to
support combustion & how
extinguishing agents affect
the process

Types of fire extinguishers

Inspection and maintenance

Labeling

Classification of fuels

Fire extinguisher operation
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FIRE

Defined as a
combustion process
involving light, heat,
and flame

Rapid oxidation
involving chemical
breakdown of a fuel
by heat
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FUEL CLASSIFICATION
Class A or Ordinary Combustibles
This includes fuels such
as wood,paper, plastic,
rubber, and cloth.
Green Triangle
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FUEL CLASSIFICATION
Class B or
Flammable and
Combustible
Liquids and Gases
This includes all
hydrocarbon
and alcohol based
liquids and
gases that will support
combustion.
Red Square
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FUEL CLASSIFICATION
Class C or Electrical
This includes all fires
involving
energized electrical
equipment.
Blue Circle
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FUEL CLASSIFICATION
Class D
or Combustible Metals
Examples of these types
of metals are: zirconium,
titanium, potassium, and
magnesium.
D
Yellow
Star
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FIRE EXTINGUISHER TYPES
AND CHARACTERISTICS
Water extinguisher
30-40 ft.
60 sec.
Dry chemical
5-20 ft.
8-25 sec.
CO2 extinguisher
3-8 ft.
8-30 sec.
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SERVICE AND MAINTENANCE

Must be serviced
annually by someone
who is trained in
servicing fire
extinguishers

6 year general
maintenance

12 year hydrostatic
testing

Must be recharged even
if only partially used
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“Quick-Check”
Monthly
Is It Ready To Use ?
1. Check the gauge. The pressure indicator
should be in the green zone. (CO2
extinguishers do not have pressure
gauges.)
2. The extinguisher should have a current
inspection tag.
3. The pin and handle should be secured
with a plastic tab seal.
4. The extinguisher and hose should be
free of any visible damage.
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Portable Fire Extinguisher Operation
The P.A.S.S. Method
Aim the hose
or nozzle.
Pull the pin.
Squeeze the lever.
Sweep
agent.
the
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FIRE FIGHTING TIPS
• WHAT IS BURNING
• IS THE EXTINGUISHER
OF THE RIGHT TYPE
•HAS EVACUATION BEGUN
•FAMILIAR WITH
EXTINGUISHER OPERATION
•KEEP EXIT TO YOUR BACK, STAY
BETWEEN THE FIRE AND THE WAY OUT
• DO NOT SUBJECT YOURSELF TO TOXIC ATMOSPHERES
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GENERAL BRAND FIRE EXTINGUISHERS
WILL BE TAKEN OUT OF SERVICE
AT THE NEXT SCHEDULED MAINTENANCE
OR WHEN RECHARGE IS NEEDED
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QUESTIONS???
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