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On a regular basis we read and see on television people that are trapped by fire in high rise buildings. The
fire rescue equipment available today is only capable (if available) of reaching 20 to 25 metres, 7 or 8 storeys The only other method of escape is by helicopter from the roof, this in itself poses
problems, in that when the helicopter approaches the building, the down draft from the rotors fan the fire, accelerating it. The majority of deaths in fire situations is by smoke asphyxiation, and in
high rise buildings, the victims are nearly all found to be in the stairwell. |