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PURPOSE OF APPLIANCE
Fires involving flammable liquids (e.g. oil, petrol)
are best dealt with by using AFFF (Aqueous Film Forming Foam) which
forms a fire extinguishing film on the liquid's surface. It also
has a cooling action with a wider extinguishing application than
water on solid combustible materials.
The Foam Unit is mobilised for fires involving large quantities
of flammable liquid, where a bulk supply of foam is required. (e.g.
railway/aeroplane/vehicle fires). The vehicle carries a tank of
4,500 litres of AFFF and is also equipped with a High Expansion
(Hi-Ex) Foam Generator, which can be used for fires in areas of
poor accessibility. The foam expands to fill an enclosed space and
smothers the fire.
EQUIPMENT ON APPLIANCE
The main equipment on the vehicle:
• 4,500 litre tank of AFFF concentrate and generator
• 400 litres of Hi-Ex concentrate and generator
• Floodlights to illuminate the fireground.
• 1 x 70mm Hose.
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