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Could_The_Fall_Of_The_Towers_Have_Been_Prevented

2013-11-13 来源: 类别: 更多范文

Could The Fall Of The Towers Have Been Prevented It is a mystery that thousands of people will have to live for the rest of time. No one will ever know exactly how many people did die immediately from the impact of the plane crashes into the Twin Towers. But what happened in, and to, the stairwells will be looked at for quite some time. For the lucky 18 people who escaped from the floors above the crash location in the South Tower, due to a detour in the vertical path of the stairwell was the reason they had a clear escape path. Contrary to initial reports, experts now know that the common office furnishings and equipment found on those floors also fueled the fires, not just the jet fuel that was consumed in about nine minutes. And with the other five stairwells destroyed and the standpipes severed, hundreds of people trapped on those floors died from the burning interiors and the resultant collapses. The following picture was taken on September 11, it shows a firefighter ascending the North Tower stairwell. This picture shows a problem that firefighters and human factors experts have known for decades: that the standard widths of most buildings staircases are inadequate for evacuation and stairs, fire, buildings, building, shall, interior, occupancy, width, evacuation, inches, group, code, stair, people, stairwell, says, pauls, two, nosing, floor, classified, capacity, floors, required, plus, new, j-3, height, construction, york, treads, standard, stairwells, per, minimum
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