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?