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Fire Safety

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by

audrey richard

on 11 April 2014

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Transcript of Fire Safety

FIRE SAFETY
How Fires Start ?
What Are The Causes Of Fire ?
Accident
Disobey
Equipment failure
Control Measures & Firefighting Equipment
Introduction
Fire safety refers to precautions that are taken to prevent or reduce the likelihood of a fire that may result in death, injury, or property damage.
What Is Fire ?
Fire, or combustion, is a chemical reaction between oxygen and a combustible fuel. Combustion is the process by which fire converts fuel and oxygen into energy, usually in the form of heat. By-products of combustion include light and smoke.
The Triangles Of Fire
Remove one element !
and the fire will go out
Classes Of
Fire
Class A
Solid materials
wood
paper
clothes
Class B
Liquids
petrol
diesel
paint
Class C
Gases
natural gas
methane
Class D
Reactive metals
magnesium
metals
Electricity is not a designated fuel class, it is an ignition source
Fuel
Any material that can be oxidised rapidly
Oxygen
Fire needs only 16% oxygen to burn
The air we breath includes 21%
The more oxygen available, the more intense the fire
Heat
Often confused with temperatures
Heat is a type of energy
Can re-ignite a fire that has been "put-out"
Fire Detector & Automatic Sprinkler Systems
To detect the fire
To raise the alarm
To attack the fire
To prevent fire spread
Fire Extinguisher
A portable device that discharge a jet of water, foam, gas or other material to extinguish fire
Types of Fire Extinguisher
Color Code:
BLUE
'multi-purpose' fire extinguisher
Dry Powder
Color Code:
RED
Cheap and mostly used
Use for Class A fires
Not suitable for class B fires and any electricity is involved
Water
Color Code:
YELLOW
/
CREAM
Use for Class A and B fires
Not recommended for any electricity involved, but safer than water
Color Code:
BLACK
Ideal for fire involving electricity
Will extinguish Class B liquid fires
NO POST FIRE SECURITY, the fire could re-ignite
Carbon Dioxide
Anatomy Of A Fire Extinguisher
Fire is a chain reaction. For combustion to continue, there must be a constant source of fuel, oxygen and heat.
Danger Of Fire To Human
Direct Contact
Flesh burns
Muscles
Internal organs
Burns are not the major cause of death in fire
Most people die in fires from suffocating or breathing smoke and toxic fumes
Smoke from the fire obscures vision
Carbon monoxide poisoning
Previous Accidents
Standpipe and Hose Systems
Provide hose and pressurized water for firefighting
Hoses diameter vary from 1 inch to 2.5 inches in diameter
Foam
Ways to operate fire extingisher
Fire Blanket
Control Measures
The best way to reduce fires is to prevent them. Remember the triangle of fire. Remove one element and the fire may stop
At Workplace
Maintain machinery to prevent overheating and friction sparks
Use and store chemicals safely
Take precautions to prevent ignition in potentially explosive atmospheres
Clear the clutter, which contributes to fires by providing fuel and keep it away from heat sources. Clutter also prevents access to emergency equipment and sprinklers, exits or escape routes.
Smoke only in designated areas, and extinguish smoking materials safely. Never smoke in storerooms or chemical storage areas.
Take fire drills seriously, knows where the fire extinguisher locate and how to handle them correctly
At Home
Never leave the stove unattended
Always use a proper candleholder, and keep candles away from draughts, or anything flammable.
Keep portable heaters away from furniture, furnishings and flammable items, and switch them off every time you leave the house
Always use correctly rated fuses in all electrical appliances
Avoid using multi-way plug socket adapters, if possible.
Never run electrical cables/leads under carpets
For fire to occur, there must be source of ignition such as;
Hot Work: Grinding & Welding
Friction: Worn bearings & Drive Belts
Sparks: Static Electricity & Metal Impact

Fire Hazards
Don't play with fire
Playing with fire causes many unnecessary emergencies, and hurts and kills many people
Good Housekeeping
Effective housekeeping can eliminate some workplace hazards and help get a job done safely and properly.
Poor housekeeping can frequently contribute to accidents.
For example, bad housekeeping can prevent your escape during fire emergency
Proper maintenance & Inspection
Regular maintenance is essential to keep equipment, machines and the work environment safe and reliable.
It helps to eliminate workplace hazards.
Lack of maintenance or inadequate maintenance can lead to dangerous situations, accidents and health problems.
For example;
fire extinguisher shall be inspected once in every month. things to inspect are such as expiry date, located in designated place, physical damage, or leakage
fire extinguisher shall be subject to maintenance at a frequency of once each year or when specifically indicated by an inspection
Conclusion
Question & Answer
Session

There are 4 classification of fire under the Malaysian Standard MS 1182: 1990
as well as
and
Firefighting Equipment
By
Audrey Richard Saging
Full transcript