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Fire and Burns

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Fire Awareness Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.[1] Slower oxidative processes like rusting or digestion are not included by this definition.

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Consequences of Fire Loss of life Loss of friends or family Injury or disability Loss of home, workplace, income, job Loss of irreplaceable belongings Financial (uninsured losses and premiums)

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What is Fire? The rapid oxidation of a fuel evolving heat, particulates, gases and non-ionizing radiation

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Sources of Ignition Smoking Electrical equipment Heaters Process machinery Contractors tools and equipment Arson

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Fuels Paper and boxes etc Packaging (polystyrene beads etc) Plastics Solvents Soft furnishings (Mattresses, cushions) Furniture Waste materials (rubbish, old pallets)

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Classes of Fire- BS En 2 A - Free burning materials, paper, wood, plastics etc B - Flammable liquids, petrol, solvents etc C - Flammable gases, methane, hydrogen etc D - Metals, potassium, sodium, magnesium etc F - Cooking fats Electricity can be involved in any class of fire

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Basic Fire Prevention Be mindful of Fire Safety Don’t block fire exits, call points or extinguishers, know your exits No smoking policy Take care with any hot process, follow manufacturers instructions Maintain any machinery Observe good security Don’t wedge Fire Doors

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On Hearing the Alarm This may include providing assistance to other persons and evacuating area by area But Generally Walk quickly but don’t run, closing doors behind you Leave the building immediately by the nearest exit Do not delay your exit to collect your belongings Do not use lifts Attend the Fire Assembly Point and report to the Fire Warden or Responsible Person Do not return until told to do so

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Do Not Fight a Fire if It is bigger than a waste paper bin One extinguisher is not enough Smoke is affecting your breathing You cannot see the way out Gas cylinders or chemicals are involved Your efforts are not reducing the size of the fire There is any risk to yourself

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If You Discover a Fire Raise the alarm Fight the fire if you are competent and you consider it safe to do so (generally only to facilitate escape) Evacuate as per normal fire procedure Inform the Fire Warden or Responsible Person

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Types of Extinguisher-Water Red body Suitable for use on Class A Fires, wood and paper etc Not suitable for combustible liquids, cooking fats etc Not safe to use on fires involving electricity Extinguishes by cooling

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Types of Extinguisher-Foam Red Body with Cream label Suitable for Class A and B Fires (paper, wood and non-cooking fat flammable liquids) Not suitable for use on fires involving electricity Extinguishes by cooling and sealing the surface of a burning liquid

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Types of Extinguisher-Powder Red body with blue label Best on Class B (non-cooking fat flammable liquids) fires but safe to use on any type of fire Works by chemically interfering with the combustion reaction

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Types of Extinguisher-Carbon Dioxide Red body with black label Best on Class B (non-cooking fat flammable liquids) and Class C (flammable gases) fires but safe to use on any type of fire including those involving electricity Extinguishes by reducing oxygen levels and cooling Beware horn can become very cold (avoid touching in use)

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Types of Extinguisher-Fire Blanket Any colour body or label but they are usually red or white For use on any type of fire but best on small contained class B (flammable liquids, may include small cooking pans) fires and people on fire Can be used on microwaves Extinguishes by asphyxiating

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Types of Extinguisher-Wet Chemical Red body with Yellow Label Suitable for class F cooking oil fires Not suitable for class B fires Sprays foam as a fine mist to form a layer over the oil Extinguishes by cooling and converting the oil into a soap Misting action prevents splashing of the oil Requires specialist training to use

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How to Use an Extinguisher Pull the pin this will allow you to discharge the extinguisher Get the hose or nozzle ready for use Aim at the base of the fire to hit the fuel…if you aim at the flames the extinguishing agent will pass through and do no good

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How to Use an Extinguisher Squeeze the top handle, this depresses a button that releases the pressurised extinguishing agent

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Fire Signs

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Maintenance and Inspection Detection and Alarm systems should be tested weekly and inspected by a competent person periodically Fire extinguishers and other fire fighting equipment should be checked at a frequency determined by risk (but at least monthly) for location, condition and state of charge and serviced by a competent person annually Any Fire fighting device must be replaced, serviced or checked by a competent person after any use

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And Finally… Most extinguishers are heavy and constructed from metal….. They make excellent battering rams to break a window or un-jam a door But seriously the prime consideration is your safety and the only priority is to get everybody out and leave fire fighting to the professionals

Теги Fire Burns

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