FIRE FIGHTING

FIRE TRIANGLE FUEL HEAT OXYGEN

EXTINGUISHING METHODS STARVING it of fuel SMOTHERING it – to cut off the supply of oxygen COOLING it – to remove the heat INHIBITING the chemical chain reaction.

CLASS A FIRES Common solid fuels Extinguished by cooling

CLASS B FIRES Involve flammable and combustible liquids Extinguished by smothering or inhibiting the reaction

CLASS C FIRES Involve flammable gases. Extinguished by starving of fuel

CLASS D FIRES Involve combustible metals. Extinguished by special smothering methods

ELECTRICAL FIRES Not an official class Not a fuel Extinguished by smothering or inhibiting reaction Medium need to be non conducting. Extinguishers have (E)

CLASS F FIRES Involve combustible fats and oils Often in deep fryers Special smothering or chemical methods

WATER

FOAM

DRY POWDER

CO2

VAPORISONG LIQUID

WET CHEMICAL

FIRE BLANKETS

RESPONSE PRECEDURES REMOVE PEOPLE from immediate danger. ALERT nearby staff and members of the public. CONFINE FIRE and SMOKE close windows and doors (if safe to do so). EXTINGUISH or control fire (if safe to do so).

CONSIDERATIONS What sort of fire is this? Do I have the training and equipment to safely handle it? What sort of hazards are involved? What precautions do I need to take? Is it worth the risks involved to fight the fire?

HOW TO EXTINGUISH P ull out the safety pin, test the extinguisher A im at the base of the fire. S queeze the operating handle. S weep the stream of firefighting agent back and forth across the base of the fire

REMEMBER SAFETY FIRST