North Tower Impact Floors

At 8 46 am flight 11 slammed into the northeast face of the tower creating an impact hole that extended from the 92nd to 98th floors.

North tower impact floors. Since each tower had 240 perimeter columns the impacts destroyed only about 13 and 10 percent of. Steve giachi then employee of bank of america north tower 81st floor. The fire caused steel structural elements already weakened from the plane s impact to fail. The second plane s impact sending a giant fireball 7 into the clear blue sky instantly eliminating any hope that the first crash was an accident.

Although the south tower was struck lower than the north tower thus affecting more floors a smaller number fewer than 700 were killed instantly or trapped. Of the 2 977 victims killed in the attacks around 1600 were in the north tower or on the ground. The north tower stood for 102 minutes after the aircraft impact. In the south tower the impact was slightly off center to the central section of the tower and stairway a in the northwest portion of the central core was only.

At 9 59 a m the south tower collapsed after burning for approximately 56 minutes. The impact rocked the tower causing a horizontal deflection of perhaps 10 feet on the upper floors according to reports of some occupants. Upon impact fireballs and smoke emerged from the building. The north tower was replaced by the present day one world trade center tower which was opened in november 2014 as the lead building of the redeveloped world trade center site.

As the north tower had been struck directly midway into the structure the three stairways in the tower core were all damaged or blocked by debris preventing escape to lower floors.