Stop doors, smoke

Eire and smoke stop doors Ensure that fireproof doors and shutters are self-closing Keep all doors free from obstruction Ensure that fire check doors are kept closed... 

The means for ensuring the safety and effectiveness of the means of escape such as fire and smoke stop doors, emergency lighting and direction signs. 

The two key features in planning a means of escape are, firstly, the travel distance which is the distance a person must travel from any point within a floor area to the nearest exit to a protected stairway, escape route or to a place of safety. In general 18 m is considered to be the maximum travel distance if there is only one exit and 45 m if there is more than one. Secondly, except in special circumstances, at least two escape routes in substantially opposite directions should be provided for every storey or level of a building. The width of the exit and the escape route is governed by the number of people who may be present on the storey or level but the minimum permitted width is 826 mm. Where a corridor forms part of the travel distance it should be enclosed to restrict the spread of smoke. If the corridor is a dead end then it must have at least half-hour fire resistance walls and ceilings so that people can safely pass by a room if it is on fire. If the corridor connects alternative exits it should be fitted with smoke stop doors mid-way between the exits. 

Active fire protection and smoke stop doors... 

Fire and smoke stop doors in corridors are installed to prevent the spread of smoke and fire throughout a building. They should be fitted with smoke... 

So I laid on the Ground and Saw the smoke coming around a comer So 1 walked about 200 to 300 ft before 1 found another Stopping door it was... 

The gate groaned as Gill pushed it back. It was only when I stepped through and heard it clang shut behind me that I realized there was an absence of other noise. Not only had the demolition stopped, but there were none of the usual Selden background sounds of hens and horses or bustle from the kitchens. No smoke rose from the chimneys, but the entrance door stood wide open. 

The engines were reported to have been shutdown about 3 minutes after the aircraft stopped, which would be about 1842 00. About 1 minute later, smoke and flames engulfed the aircraft, with a flash fire occurring within the fuselage. Firemen tried to open the doors, at first unsuccessfully, even though cabin pressure was ambient. Eventually, at about 1905 hours, a door was opened. Everyone was dead, and all the bodies of the passengers and the cabin crew were found crowded at the front... 

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