Clark was one of only 18 people in the South Tower to escape from within or above the impact zone where the plane struck, escaping from his office on floor 84. No one escaped at or above the impact point in the North Tower.
Did fireproofing play a role in the WTC Tower collapse?
- The existing condition of the fireproofing prior to aircraft impact and the fireproofing thickness on the WTC floor system did not play a significant role in initiating collapse on September 11, 2001. Innovative WTC Tower Structural System
Was the north tower collapse inevitable?
- and collapse was inevitable. Advises that it is isn’t going to take much longer before North tower comes down and to pull emergency vehicles back from building. 10:21 am First reports that top of tower might be leaning, then confirms that it is
Did the WTC collapse under the effects of aircraft impact?
- collapsed under the combined effects of aircraft impact and the subsequent jet-fuel ignited multi-floor fires, if the fireproofing had not been dislodged or had been only minimally dislodged by aircraft impact. The existing condition of the fireproofing prior to aircraft impact and the fireproofing thickness on the WTC floor system did