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Fire Safety & Fire Extinguisher Use

Introduction

 Fire is one of the most common serious hazards that you can face in a typical workplace. While proper procedures and training can minimize the chances of an accidental fire, you must still be prepared to deal with a fire emergency should it occur.  This program will help teach you the basics about fire extinguishers - proper types, how to use them, when and when not to use them as well as the proper procedures to follow should a fire occur. It is

not

a comprehensive guide; rather a general study for most situations.

 For further guidance contact your supervisor or Regulatory Compliance Coordinator.

How Does a Fire Work?

   Three components Need all three components to start a fire Fire extinguishers remove one or more of the components

Types of Fires

 Class A - Wood, paper, cloth, trash  Class B - Flammable liquids, oil, gas, grease  Class C - Electrical, energized electrical equipment  Class D - Combustible metals

Different Kinds of Extinguishers

The 4 most common fire extinguishers:

1.

2.

All Purpose Water a) Water fire extinguishers

are only suitable for Class A (solid burning) fires. Using water to cool and therefore extinguish the fire is the simplest way to combat fires. b) However, water is

Carbon Dioxide not safe

to use on any other class of fire.

a)

b)

CO2 (carbon dioxide) extinguishers

are for class B and C fires. They don't work very well on class A fires because the material usually reignites. CO2 extinguishers have an advantage over dry chemical in that they leave behind no harmful residue. That makes them a good choice for an electrical fire involving a computers or other delicate instruments. Note that CO2 is a bad choice to use for flammable metal fires because CO2 reacts with these materials. CO2 extinguishers are

not approved

for class D fires!

Different Kinds of Extinguishers, Cont.

3.

Multi-Purpose Dry Chemical

a)

b)

Dry chemical extinguishers

are useful for either class ABC or class BC fires (check the label) and are your best all around choice for common fire situations. They have an advantage over CO2 and "clean agent" extinguishers in that they leave a blanket of non-flammable material on the extinguished material which reduces the likelihood of reignition. They also make a terrible mess - but if the choice is a fire or a mess, take the mess! Note that there are two kinds of dry chemical extinguishers: –

Type BC

fire extinguishers contain sodium or potassium bicarbonate. –

Type ABC

fire extinguishers contain ammonium phosphate.

4.

Dry Powder

a) Metal/Sand Extinguishers

fires) and work by simply smothering the fire. The most common extinguishing agent in this class is sodium chloride, but there are a variety of other options. are for flammable metals (class D b) You should only need a Class D unit if you are working with flammable metals.

Each kind of extinguisher has a specific use!

All Purpose Water

 Use on CLASS A fires  Pressurized water  Pressure gauge present

Carbon Dioxide

   Use on CLASS B and CLASS C fires Hard, plastic nozzle No pressure gauge

Multi-Purpose Dry Chemical

   Use on CLASS A, CLASS B, and CLASS C fires Fine powder under pressure Pressure gauge present

P.A.S.S. Method

P

ull the pin

This will allow you to squeeze the handle in order to discharge the extinguisher

P.A.S.S. Method

A

im at the base of the fire

Aiming at the middle will do no good. The agent will pass through the flames.

P.A.S.S. Method

S

queeze the handle

This will release the pressurized extinguishing agent

P.A.S.S. Method

S

weep side to side

Cover the entire area that is on fire. Continue until fire is extinguished. Keep an eye on the area for re-lighting.

P.A.S.S. METHOD

When NOT to Fight a Fire!

 Remember to keep an exit to your back  Only fight a fire in the incipient stage

Most Important Slide

NEVER

fight a fire if any of the following apply: • Don’t have the proper extinguisher or equipment • Fire has spread beyond its point of origin • Your instincts tell you GET OUT

Emergency Procedures

In the Event of Fire  Pull nearest alarm station  Immediately exit the building

If you hear an alarm DO NOT assume it is a drill, your life may depend on it!

Emergency Procedures

Building Evacuation  Proceed to nearest exit in an orderly fashion  Assemble at least 100 feet from building  Provide emergency crews with information about people still in the building  Provide information to emergency crews about the reason for evacuation  Never re-enter a building until instructed to by the police department, fire department, or EHS staff.