FIRE SAFETY

Fires can either be extinguished by Fires can either be extinguished by

smotheringsmothering the flames with a fire the flames with a fire blanket or clothing ( blanket or clothing ( removing the removing the oxygenoxygen) or by using a ) or by using a fire fire extinguisherextinguisher ( ( removing the heatremoving the heat ) )

To use a fire extinguisher properly, it To use a fire extinguisher properly, it must be must be aimed at the baseaimed at the base of a fire of a fire and and swept back and forthswept back and forth across across that base.that base.

Always use the right type of fire Always use the right type of fire extinguisher for each specific type of extinguisher for each specific type of fire.fire.

*LHHS extinguishers (ABC type)*LHHS extinguishers (ABC type)

CLASS A FiresCLASS A Fires: : Fires of organic matter that will leave Fires of organic matter that will leave

ashes. ashes. ExampleExample: wood, paper, tissues: wood, paper, tissues ExtinguishersExtinguishers: H: H22O, COO, CO22, dry , dry

chemicalschemicals

CLASS B FIRES:CLASS B FIRES: Fires of flammable liquidsFires of flammable liquids Examples:Examples: Gasoline, solvents Gasoline, solvents Extinguishers:Extinguishers: CO CO22 , dry chemical , dry chemical

NOTE:NOTE: Water is not a good extinguisher Water is not a good extinguisher

because it spreads the liquid around.because it spreads the liquid around.

Class B Fire VideoClass B Fire Video

CLASS C FIRES:CLASS C FIRES: Fires of an electrical natureFires of an electrical nature EXAMPLES:EXAMPLES: Computers, photocopiers Computers, photocopiers EXTINGUISHERS:EXTINGUISHERS: CO CO22 , Dry Chemical , Dry Chemical

*LHHS extinguishers *LHHS extinguishers (ABC type)(ABC type)

CLASS D FIRES:CLASS D FIRES: Fires of burning metalsFires of burning metals EXAMPLES:EXAMPLES: Sodium, aluminum, Sodium, aluminum,

magnesiummagnesium EXTINGUISHERS:EXTINGUISHERS: Sand and salt Sand and salt

NOTENOTE: : Water is not a good extinguisher Water is not a good extinguisher

because it creates a violent reaction.because it creates a violent reaction.

CLASS E FIRES:CLASS E FIRES: Fires of radioactive materialsFires of radioactive materials EXAMPLES:EXAMPLES: Uranium, plutonium Uranium, plutonium EXTINGUISHER:EXTINGUISHER: Concrete Concrete

Proper Use of a Fire Proper Use of a Fire ExtinguisherExtinguisher

PP Pull the pinPull the pin

AA Aim nozzle at Aim nozzle at base of base of the firethe fire

SS Squeeze the Squeeze the trigger trigger and hold and hold the the extinguisher extinguisher uprightupright

SS Sweep back and Sweep back and forth forth over the base of over the base of the the fire to cover all fire to cover all

burning materialburning material