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					Fire Extinguisher
    Types of Fires

•   Class A - Wood, paper,cloth, trash
     • Water (heat out)

•   Class B - Flammable liquids, oil, paint, gas, grease
     • Carbon Dioxide (oxygen out)

•   Class C – Electrical (motors, computers, etc.)
     • Carbon Dioxide, Halotron I, FE-36

•   Class D - Combustible metals like beryllium,
    magnesium, etc.
     • Potassium and sodium

•   Class K - Kitchen fires
     • Low PH Wet Chemical Agent with fine mist
        discharge that helps prevent grease splash and fire
In School We Learn
In School We learn to:
• Stop

• Drop (cover face with

• Roll

            • Getting Staff to
              THINK ABOUT
              FIRE SAFETY
              EVERY DAY
(insert clients name here)Employee
Environmental Concerns First

 In your building, know the
   location of:

 1. The nearest exit.
 2. A secondary route of
 3. The location of fire
 4. The location of fire
   alarm pull stations.
Planning Ahead

• Know your work area
• Know where your exits are located
• Know at least two ways out
• Know the location of fire
• Know the location of fire alarm pull
• Keep your work area safe
• Have an escape plan!!
Fire Prevention
• Work safely!
• Electrical Safety: Frayed and cracked cords,
  overloaded plugs and circuits, extension cord use.
• Do not block exits, fire extinguishers, fire alarms
• Fire Extinguishers should be mounted
• Keep combustibles from heat sources
Fire Prevention

• Store chemicals and flammable
  liquids properly
• Secure gas cylinders
• Work safely with chemicals
• Know your emergency
• Do not prop open fire doors!
In case of a fire, I’ll...

• Notify occupants near the fire area.
• Activate the fire alarm system.
• Call, or have someone call
• Quickly decide if I can extinguish the
• If not, Get out, closing all doors
  between me and the fire.
• Meet the Fire Department.
  Fire Extinguishers
                                       How do you
When faced with                     operate this thing,
a fire, you must Do I want to put       anyway?

make some split out this fire?
second decisions:

                  Do I need help?
Rules for Fighting Fires
 Fires 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 911 or activate the building fire alarm. The fire
      alarm will notify the fire department and other
      building occupants and shut off the air handling
      system to prevent the spread of smoke.

 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 . . . .
   Fire Extinguishers
Time is critical in any
first-aid fire situation….          Are the capabilities     Does the fuel source
                                    of this extinguisher      make the fire too
                                   sufficient for the size    hazardous for this
The employee must be                     of the fire?           extinguisher?
able to make split-
second decisions with
confidence.           Is the extinguisher                          Is there a safe way
                              the proper type for                     to turn off or
                              this type of fire?                     remove the fuel
   Do environmental conditions indicate that
    fighting this type of fire would endanger
                   others or me?
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
 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.
Fire Extinguishers

  When seconds count……

  Even a willing operator cannot
  successfully extinguish a fire
  unless they know how to
  actuate the available
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.
Rules for Fighting Fires
 Do 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
    Your instincts tell you not to. If you are
     uncomfortable with the situation for any reason, just
     let the fire department do their job.
Know the Principles of
The Fire Triangle
   Three things must be present at the same time to
   produce fire:

     1. Enough OXYGEN to sustain combustion
     2. Enough HEAT to reach ignition temperature
     3. Some FUEL or combustible material
          Together, they produce the CHEMICAL
          REACTION that is fire
    Take away any of these things and
    the fire will be extinguished
Fuel Classifications

  • Fires 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 might make
    matters worse.
  • Its very important to understand the four
    different fire (fuel) classifications…
Portable Fire Extinguisher Training

Classification of Fire
Class A or Ordinary Combustibles

This includes fuels such
as wood,paper, plastic,
rubber, and cloth.

                                   Green Triangle
  Portable Fire Extinguisher Training

Classification of Fire
Class B or Flammable
  and Combustible
  Liquids and Gases
This includes all hydrocarbon
and alcohol based liquids and   Red Square
gases that will support
Portable Fire Extinguisher Training

Classification of Fire
Class C or Electrical

This includes all fires involving
energized electrical equipment.

                                    Blue Circle
Portable Fire Extinguisher Training

Classification of Fire
Class D
or Combustible Metals

Examples of these types
of metals are: zirconium,
titanium, potassium, and
 Types of Fire
Different types of fire extinguishers are designed to
fight different classes of fire.

The 3 most common types of fire extinguishers are:

 1. Water (APW)

 2. Carbon Dioxide (CO2)

 3. Dry Chemical (ABC, BC, DC)
    Portable Fire
•   Locking pin
•   Carrying handle / operating lever
•   Pressure gauge
•   Label :
    •   Type (Water, C02, Dry Chemical)
    •   Classification (A, B, C)
    •   NFPA capacity Rating
    •   Instructions
• Discharge nozzle or horn

          Know your PPE Equipment
       Types of Fire
1. Water (APW) Fire Extinguishers
                                    Large silver fire
                                    extinguishers that stand
                                    about 2 feet tall and
                                    weigh about 25 pounds
                                    when full.

                                    APW stands for “Air-
                                    Pressurized Water.”

                                    Filled with ordinary tap
                                    water and pressurized
                                    air, they are essentially
                                    large squirt guns.
Types of Fire
2. Carbon Dioxide Fire Extinguishers
                                                    The pressure in
                                                    a CO2
                                                    extinguisher is
                                                    so great, bits of
                                                    dry ice may
                                                    shoot out of the

CO2 cylinders are red. They range in size from 5 lbs to 100 lbs or
larger. On larger sizes, the horn will be at the end of a long,
flexible hose.
Types of Fire
3. Dry Chemical (ABC) Fire Extinguishers
                                ABC extinguishers are
                                red. On campus, they
                                range in size from 5
                                to 20 lbs.

At OSU, “ABC” fire extinguishers are filled with a fine
yellow powder. The greatest portion of this powder is
composed of monoammonium phosphate. The extinguishers
are pressurized with nitrogen.
          Fire Extinguisher

 PA S S                       P ull
PA S S                        A im

                              S queeze
                              S weep
Safety Precautions
when fighting a fire
             • Stay upwind of
               to the fire.
             • Stay low, never
               try to work over
               top the fire.
Safety Precautions
when fighting a fire
             • Spray the
               extinguisher at
               the base of the
Safety Precautions
when fighting a fire
             • Never allow the
               fire to get
               between you
               and a route to
Safety Precautions
when fighting a fire
             • Never go into a
               unknown area to
               fight a fire.
Fire Extinguishers

        USING A FIRE

  The P.A.S.S. word is a
  method for operating most
  common fire extinguishers.
  It is a four step method.
Fire Extinguishers


 The best piece of equipment will not
 operate if it is not recharged and
 maintained properly. History has
 proven that nearly every fire
 extinguisher failure can be traced
 back to human negligence.
Fire Extinguishers

Cartridge Operated Maintenance:

Maintenance of a cartridge operated
  extinguisher means a
complete examination, and involves
  disassembly and
inspection of each part and replacement
  where necessary.
Maintenance should be done at least
  annually or more often if
conditions warrant.
Fire Extinguishers
Wheeled Units Maintenance:

Maintenance of wheeled units consists of monthly checks of
the nitrogen pressure, at 70 degrees Fahrenheit the
should register 2150 psi. The hose should be checked as
as the operation of the nozzle checking inside the nozzle for
insect nests, the wheels should be turned monthly to insure
 that they are freewheeling.
Check with local fire prevention for specific installation
   maintenance, inspection and turn-in procedures.
Fire Extinguishers
Extinguisher Placement (Travel Distance)

The following chart contains OSHA requirements for classes of fires and
travel distance to an extinguisher.
Some local requirements may be stricter, so you should always check
    with your local fire marshal / fire prevention office.
• Fire Class                                            Travel Distance

•   Class A                                          *75 ft. (22.9m) or
•   Class B                                           50 ft. (15.2m)

•   Class C                 Based on appropriate A or B Hazard Class.

•   Class D                                            75 ft
Fire Extinguishers

Safety Tips: Portable Fire

This is a brief overview of the
important points of using a portable
fire extinguisher. Fire can be
devastating, but when used properly,
a fire extinguisher can save lives and
Make sure your
extinguisher can be used
in an emergency.
             • The extinguisher
               should be mounted on
               the wall.
             • The area in front of the
               extinguisher shall be
               clear. No obstructions
             • The pressure gauge
               should be in the green
             • The inspection tag
               should show that the
               extinguisher has been
               inspected within the
               last year.

     Is It Ready To Use ?
1. Check the gauge. The pressure indicator
   should be in the green zone. (CO2
   extinguishers do not have pressure

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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