Презентация Fire and Burns онлайн
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- Тип файла:ppt / pptx (powerpoint)
- Всего слайдов:22 слайда
- Для класса:1,2,3,4,5,6,7,8,9,10,11
- Размер файла:2.03 MB
- Просмотров:87
- Скачиваний:0
- Автор:неизвестен
Слайды и текст к этой презентации:
№1 слайд
Содержание слайда: Fire and Burns
№2 слайд
Содержание слайда: 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.
№3 слайд
Содержание слайда: 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)
№4 слайд
Содержание слайда: What is Fire?
The rapid oxidation of a fuel evolving heat, particulates, gases and non-ionizing radiation
№5 слайд
Содержание слайда: Sources of Ignition
Smoking
Electrical equipment
Heaters
Process machinery
Contractors tools and equipment
Arson
№6 слайд
Содержание слайда: Fuels
Paper and boxes etc
Packaging (polystyrene beads etc)
Plastics
Solvents
Soft furnishings (Mattresses, cushions)
Furniture
Waste materials (rubbish, old pallets)
№7 слайд
Содержание слайда: 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
№8 слайд
Содержание слайда: 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
№9 слайд
Содержание слайда: 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
№10 слайд
Содержание слайда: 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
№11 слайд
Содержание слайда: 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
№12 слайд
Содержание слайда: 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
№13 слайд
Содержание слайда: 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
№14 слайд
Содержание слайда: 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
№15 слайд
Содержание слайда: 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)
№16 слайд
Содержание слайда: 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
№17 слайд
Содержание слайда: 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
№18 слайд
Содержание слайда: 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
№19 слайд
Содержание слайда: How to Use an Extinguisher
Squeeze the top handle, this
depresses a button that releases
the pressurised extinguishing
agent
№20 слайд
Содержание слайда: Fire Signs
№21 слайд
Содержание слайда: 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
№22 слайд
Содержание слайда: 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
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