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PPT-SM-FIRESFTY V.A.0.0
Fire Safety
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PPT-SM-FIRESFTY V.A.0.0
Fire Theory Definition of fire • Rapid, persistent chemical change that releases
heat and light • Accompanied by flame • Produces rapid oxidation
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PPT-SM-FIRESFTY V.A.0.0
Fire Tetrahedron A fire needs four main elements to occur 1. Fuel 2. Oxygen 3. Heat 4. Chemical reaction
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PPT-SM-FIRESFTY V.A.0.0
Fire Classification NFPA’s fire classification system is based on primary fuel
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A Solid
combustibles
B Hydrocarbon and alcohol
based liquids and gases
C Energized electrical
equipment
D Flammable
metals
K Kitchen fires
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PPT-SM-FIRESFTY V.A.0.0
Workplace Fire Hazards Common workplace fire hazards • Heating, electrical and mechanical equipment • Storage and handling of combustible materials • Proximity hazards • Unauthorized smoking and poor smoking areas • Conventional cooking
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PPT-SM-FIRESFTY V.A.0.0
Fire Prevention • Purpose
– Assess potential fire hazards – Find ways to reduce risk of starting a fire – Find ways to reduce risk of injury
• Fire prevention includes – Educating workers – Limiting ways a fire can start – Limiting injuries – Preparing workplace for a fire disaster
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PPT-SM-FIRESFTY V.A.0.0
Fire Prevention Plan • Companies must develop a fire prevention plan • The plan must cover
– Potential fire hazards – Procedures for fire prevention – Fire evacuation plans
• Plan must be in writing and available to workers
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PPT-SM-FIRESFTY V.A.0.0
Sources of Ignition • Inspect jobsite for sources of ignition • Identify and remove unnecessary materials • Remove sources of ignition
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PPT-SM-FIRESFTY V.A.0.0
Sources of Ignition Potential sources of ignition • Tool selection • Electrical equipment • Static electricity • Flash fires • Hot work • Kitchen fires • Other fire prevention considerations
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PPT-SM-FIRESFTY V.A.0.0
Prevention Good fire prevention • Keep work areas clean and clutter free • Know hazards of chemicals you work with • Respect smoking restrictions • Dispose of combustible materials • Change oil soaked or contaminated clothing • Clean up chemical spills and oil immediately
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PPT-SM-FIRESFTY V.A.0.0
Protection Good fire protection practices • Maintain and inspect all equipment routinely • Keep fire lanes open and unobstructed • Never block access to firefighting equipment • Never move equipment or alter it in any way
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PPT-SM-FIRESFTY V.A.0.0
Protection • Essential part of workplace safety • Forms of protection include
– Detection systems – Portable extinguishers – Fixed extinguisher systems – Alarms – Trained fire brigades
• Properly trained workers take part in the fire prevention system
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PPT-SM-FIRESFTY V.A.0.0
Fire Detection • Alert workers to the presence of fire • Three forms of fire detection
– Heat – Smoke – Flame
• Alarms must work at all times • Maintenance and repairs
– Done by qualified and designated workers
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PPT-SM-FIRESFTY V.A.0.0
Alarm Systems • Warns workers of fire • Must have distinct sound • Qualified worker must
service, maintain and test
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PPT-SM-FIRESFTY V.A.0.0
Fire Extinguishing • Fire extinguishers eliminate elements of fire
tetrahedron • If tetrahedron is broken, fire will go out • Additional cooling and water may be necessary
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PPT-SM-FIRESFTY V.A.0.0
Methods Extinguishing methods include • Cooling and quenching • Smothering and blanketing • Oxygen dilution • Fuel removal • Chemical flame inhibition
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PPT-SM-FIRESFTY V.A.0.0
Methods • Cooling and quenching
– Reduces temperature of fuel below ignition temperature
• Smothering and blanketing – Separates fuel from oxygen
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PPT-SM-FIRESFTY V.A.0.0
Methods • Oxygen dilution
– Reduces amount of available oxygen
• Fuel removal – Removes fuel source
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PPT-SM-FIRESFTY V.A.0.0
Methods Chemical flame inhibition • Interrupts combustion reaction • Stops flaming • Effective on gas and liquid fuels
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PPT-SM-FIRESFTY V.A.0.0
Extinguisher Use To properly extinguish a fire use the PASS method • Pull the pin • Aim at the base of the fire • Squeeze lever • Sweep back and forth
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PPT-SM-FIRESFTY V.A.0.0
Extinguisher Use Training • Must be delivered by a qualified person • Should be conducted at
– Initial employment – At least annually thereafter
• Must cover – Selecting correct type of extinguisher – Discharging extinguisher in emergency situation
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PPT-SM-FIRESFTY V.A.0.0
Training Train workers on • What to do during an emergency • Specific fire hazards • Escape procedures • Equipment use
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PPT-SM-FIRESFTY V.A.0.0
Training If you catch on fire • Do not run • Drop where you are • Cover face with hands • Roll around to smother
flames
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Stop, drop and roll.
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PPT-SM-FIRESFTY V.A.0.0
Worker Responsibility • Read warnings on product labels and MSDS • Ask supervisor if any questions arise • Turn off all electrical appliances • Obey no smoking signs • When evacuating, do not use the elevator • Keep low on hands and knees • Touch door handles gently with back of hand • If outdoors, keep wind behind you
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PPT-SM-FIRESFTY V.A.0.0 25
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Fire Safety Quiz
September 2013 Safety Meeting
Name: Date:
INSTRUCTIONS: Sign and date this quiz sheet. Circle the letter representing the correct answer to each quiz question below.
QUIZ-SM-FIRESFTY
V.A.0.0
1. According to its definition, fire _________________________.
A. Is the rapid, persistent chemical change that releases heat and light B. Is accompanied by flames C. Produces rapid oxidation D. All of the above
2. The four main elements for a fire to occur includes ________________. A. Fuel, oil, gas and a match B. Heat, moisture, fuel and gas C. Fuel, oxygen, heat and a chemical reaction D. A chemical reaction, heat, rubber and oil
3. NFPA’s fire classification system is based on the primary fuel. A. True B. False
4. Common workplace fire hazards include _______________. A. Heating equipment B. Proximity hazards C. Unauthorized smoking D. All of the above
5. Good fire prevention includes all of the following, except _____________. A. Knowing the hazards of the chemicals you work with B. Keeping fire lanes open and unobstructed C. Moving extinguishers to areas away from the work that is being performed D. Not altering equipment in any way
6. Workers must be trained on _________________. A. What to do during an emergency B. Specific fire hazards C. Escape procedures D. All of the above
7. If the fire tetrahedron is broken, the fire will go out. A. True B. false
8. Fire extinguishing methods include ___________________. A. Cooling and quenching B. Smothering and blanketing C. Oxygen dilution D. All of the above
9. Fire extinguisher training should be conducted at your initial employment and at least annually thereafter. A. True B. False
10. The PASS method used to extinguish a fire instructs extinguisher users to ____________________. A. Panic, attack the fire with whatever is near you, scream and start running B. Pinch your nose, alert workers, sound the alarm and shelter-in-place C. Pull the pin, aim at the base of the fire, squeeze the lever and sweep back and forth D. Point at the top of the fire, alert other workers, squeeze the lever remained aiming at the same area of
the fire until help arrives
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Fire Safety Answer Key
Below is the answer key for the quiz.
September 2013 Safety Meeting
KEY-SM-FIRESFTY
V.A.0.0
1. D
2. C
3. A
4. D
5. C
6. D
7. A
8. D
9. A
10. C
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This is to certify that
has successfully completed thePEC Safety Meeting
Date AwardedInstructor
Fire Safety
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SAFETY MEETINGS | STUDENT ROSTER
PRINT STUDENT NAME (CLEARLY) STUDENT SIGNATURE LAST 4 SSN or DOB1.
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INSTRUCTOR NAME SAFETY MEETING DATE
SAFETY MEETING NAME COMPANY NAME