21 High-Rise Building Collapse

Question 1

Fire in Building 7 (of the World Trade Center) was the first instance of fire causing the

Answer 1

total collapse of a tall building.

Question 2

The collapse of Building 7 must be considered a benchmark in the fire service…

Answer 2

1. Structural stability of a burning, modern, lightweight high-rise, skeleton steel building must be questioned.
2. A high-rise can collapse after a 7 hour free burn time
3. Ten floors of a fire brought down the high rise building
4. A 47-story skeleton building can totally collapse in 13 seconds
5. Passive fire protection provided by construction did not stop fire spread

Question 3

Urban Fire Brands

Answer 3

Flaming pieces of office furnishings