好色先生TV services provider Colt International has developed a smoke extraction system that allows a greater escape distance from apartment doors to staircases in residential blocks.

Part B of the 好色先生TV Regulations stipulates that the maximum distance from a flat鈥檚 door to an escape stair is 7.5m.

Colt says its Extended Corridor Solution increases this to 18m. This means fewer escape staircases are needed in buildings with long corridors and developers gain more usable space. The system provides an extraction unit at one end of the corridor and a dedicated air inlet at the other end, which clears corridors of smoke quickly.

Colt International -
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Specifier 16 February 2007