Willis Tower

Willis Tower

13. 6. 2022 0 By toner

Willis Tower

Today’s Willis Tower (until 2009 Sears Tower) is a famous skyscraper that can be found in Chicago. It is 442 meters high and offers a total of 108 floors (including the roof, it is actually 109). The skyscraper was completed in 1974 and its timeu was the tallest building in the world. It surpassed the world’s highest trade center in New York. The world’s tallest building, this skyscraper lasted for 23 long years, until the construction of the Petronas Twin Towers (451.9 meters).

The original name Sears Tower came from the fact that it was built for the largest retail company at the time, Sears, which was based here for years.

At the moment, this skyscraper is the tallest in Chicago, the third highest in the United States, the third highest in all of North America, and also the 23rd highest in the entire world.

technical parameters Willis Tower

location 233 S. Wacker Drive
Chicago, Illinois 60606
United States
architectural style international
tallest in the world 1973 to 1998
construction started 1970
completed 1974
height
  • architectural – 1,450 ft (442 m)
  • top floor – 1,354 ft (413 m)
  • tip – 1,729 ft (527 m)
floor area 4,477,800 sq ft (416,000 m2)
floor count 108 (plus 3 basement floors)
structural material steel
lifts / elevators 104, with 16 double-decker elevators
energy Label LEED Recertification Platinum (2019), LEED Gold O+M: Existing Buildings (2016)

Willis Tower

Willis Tower From Lake