FIRES & FIRE EXTINGUISHERS

WHAT IS NEEDED TO HAVE A FIRE? QUESTION #2 SAFETY TEST

JUST LIKE A TRIANGLE HAS THREE SIDES, A FIRE HASTO HAVE 3 ELEMENTS.

OX

YG

EN

FUEL

TEMPERA

TURE

TO PUT OUT A FIRE

YOU HAVE TO TAKE AWAY ONE OF THE ELEMENTS

OX

YG

EN

FUEL

IF WE HAVE ALL THE OXYGEN IN THE WORLDWITH ALL THE EXPLOSIVEFUEL, IT STILL WON’T BURN WITHOUT ENOUGHTEMPERATURE.

SO ONE WAY TO PUT OUT A FIRE IS TO REMOVE THE HEAT(QUENCH)

TO PUT OUT A FIRE

OR REMOVE THE OXYGEN

OX

YG

EN

FUEL

TEMPERA

TURE

(SUFFOCATE)

TO PUT OUT A FIRE

OR REMOVE THE FUEL ALTHOUGH WE USUALLY DON’TFIGHT FIRE THAT WAY.

OX

YG

EN

FUEL

TEMPERA

TURE

SPONTANEOUS COMBUSTION

A FIRE THAT STARTS WITHOUT ANY SPARK OR FLAME• WHEN ALL THREE ELEMENTS ARE

PRESENT IN PROPER AMOUNTS

SAFETY TEST QUESTION #14

WHEN OILY OR GREASY RAGS ARE PILED TOGETHER THEY CREATE HEAT

WITH ENOUGH HEAT, WE HAVE SPONTANEOUS COMBUSTION• ALL GREASY/OILY RAGS ARE

STORED IN RAG SAFETY CAN ON SOUTH END OF SHOP

CLASSIFICATIONS OF FIRES QUESTION #1 SAFETY TEST

TYPE A• WOOD, PAPER, CLOTHING, TEXTILES

• USUALLY PUT OUT BY QUENCHING

TYPE B• FLAMMABLE LIQUIDS

• USUALLY PUT OUT BY SMOTHERING

TYPE C• ELECTRICAL

• MOTORS, WIRING, RELAYS

TYPES OF FIRE EXTINGUISHERS

MULTI-PURPOSEDRY CHEMICAL

WATER FOR“A” ONLY

ORDINARYDRY CHEMICALFOR “B C” ONLY

FOAM FOR “A B”ONLY

CARBON DIOXIDEFOR “B C” ONLY

6 FIRE EXTINGUISHERS IN THE SHOP

THEY ARE ALL MULTI-PURPOSE DRY CHEMICAL• CAN BE USED ON ALL TYPES OF FIRES

YOU KNOW WHERE THEY ARE AS YOU PUT THEM ON YOUR SHOP FLOOR PLAN

HOW TO USE

REMOVE EXTINGUISHER FROM STATION PULL SAFETY PIN POINT HOSE AT BASE OF FIRE

• EXCEPTION - FOAM EXTINGUISHERS POINT THEM AT THE FLAMES OF THE FIRE

SQUEEZE LEVER IF REMOVED BUT NOT USED, RETURN TO

PROPER STATION

EXTINGUISHER MAINTENANCE

MUST BE CHECKED ONCE A YEAR WHEN IN PUBLIC BUILDINGS• HOSE IS CHECKED FOR

RESTRICTIONS• PRESSURE IS CHECKED• MADE SURE THAT DRY CHEMICAL

ISN’T HARDENED IN BOTTOM

MAINTENANCE

YOU CAN’T “TEST” A FIRE EXTINGUISHER TO SEE IF IT WORKS• WHEN THE EXTINGUISHER IS USED, IT

MUST BE REFILLED• THE VALVE CAN LEAK AFTER USE

FIRE BLANKET

FIRE BLANKET USED TO SMOTHER SMALL FIRES• ONLY TO BE REMOVED WHEN

USED FOR A FIRE YOU KNOW WHERE IT IS

LOCATED AS YOU PUT IT ON YOUR SHOP FLOOR PLAN

FIRE ALARMS

2 IN THE SHOP• YOU KNOW WHERE THEY ARE

DURING ANY FILE ALARM, GO TO THE NORTH DOOR AND MEET INSTRUCTORS THERE (WHERE YOU COME IN EVERY DAY)

IF FIRE IS IN SHOP, GO TO NEAREST EXIT

FIRE & FIRE EXTINGUISHERS

QUESTIONS?