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Your Location: World North America U.S.A. Illinois Chicago 7 South Dearborn

7 South Dearborn

Identification

7 South Dearborn
103010

Map

Structure in General

skyscraper
unbuilt [cancelled]
curtain wall
light gray
modernism

Usage

commercial office residential condominium

Facts

  • The extremely narrow structure would have occupied only about a quarter of a city block, with far less interior space than many shorter skyscrapers.
  • Designed as a mast-like tower, supporting 3 overhanging blocks of office and residential floors at the middle and upper levels.
  • Three television antennas on the roof, joined in a triangle by cross-braces, would have brought the tip height to 2000 feet.
  • The 433-foot antennas were a key to the project's financial appeal, as they would have filled a pressing need for high-altitude TV transmitters in the Chicago area.
  • Rumors of the project's revival persisted for a few months after its cancellation, prompted by demolition on the site and reports of other developers interested in taking up the project.
  • Planned in 1999 as a new world's tallest building, returning the title to Chicago after the Petronas Towers took the record by surpassing the Willis Tower.

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More Information

Location

7 South Dearborn Street
60603
U.S.A.

Technical Data

609.60 m
477.55 m
477.55 m
472.45 m
466.88 m
112
2004
800

Involved Companies

Architect:

Also recorded for this building:

damper consultant, developer, structural engineering, wind surveyor