- Tower One was 1,368 feet (414 meters) tall
- Tower Two was 1,362 feet (412 meters) tall
- Each World Trade Center tower was 64 m square
- Each World Trade Center tower stood 411 m above street level
- The World Trade Center towers rested on solid bedrock and the foundations extended 21 m below grade
- The World Trade Center towers had a height-to-width ratio of 6.8.
- The World Trade Center tower facades were constructed of aluminum and steel lattice
- Each World Trade Center tower used a lightweight tube construction with 244 closely spaced columns on the outer walls
- A 80 cm tall web joist connected the core to the perimeter at each floor
- Concrete slabs were poured over the web joists to form the floors
- There were no interior columns in the World Trade Center tower office spaces
- Each World Trade Center tower contained 104 passenger elevators
- Each World Trade Center tower had 21,800 windows
- Each World Trade Center tower weighed about 500,000 tons
- About 50,000 people worked in the World Trade Center complex
Next: Architect Minoru Yamasaki Discusses the World Trade Center Towers >
More Photos:
Collapse of the World Trade Center Towers
September 11, 2001:
Destruction, Reconstruction, and Monuments
