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One Illinois Center
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Facts
Official Name
One Illinois Center
Complex Name
Illinois Center
Type
building
Status
Completed
Country
United States
State
Illinois
City
Chicago
Street Address
111 East Wacker Drive
Building Function
office
Structural Material
concrete
Start of Construction
1967
Completion
1970
Figures
Height: Architectural
110.3 meter / 362 feet
Height: To Tip
110.3 meter / 362 feet
Floors Above Ground
30
Tower GFA
117,466 m² / 1,264,393 ft²
Companies Involved
Developer
Metropolitan Structures Inc.
Design Architect
Ludwig Mies van der Rohe
Structural Engineer
Farkas Barron Engineers
Main Contractor
Tishman Construction
