Hancock Tower
| John Hancock Center | |
|---|---|
875 North Michigan Avenue, as the John Hancock Center in 2006
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 Location within Chicago metropolitan area
875 North Michigan Avenue (Illinois)
875 North Michigan Avenue (the US)
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| General information | |
| Status | Complete |
| Architectural style | Structural Expressionism |
| Location | Chicago, Illinois, U.S. |
| Address | 875 North Michigan Avenue (additional entrances at 175 East Delaware Place and 170 East Chestnut Street) |
| Coordinates | 41°53′56″N 87°37′23″W / 41.8988°N 87.6230°WCoordinates: 41°53′56″N 87°37′23″W / 41.8988°N 87.6230°W |
| Construction started | 1965 |
| Completed | 1969 |
| Cost | $100,000,000 |
| Owner | The Hearn Company |
| Height | |
| Architectural | 1,128 ft (343.7 m) |
| Tip | 1,500 ft (457 m) |
| Roof | 1,127 ft (344 m) |
| Top floor | 1,054 ft (321 m) |
| Observatory | 1,030 ft (314 m) |
| Technical details | |
| Floor count | 100 |
| Floor area | 2,799,973 sq ft (260,126 m2) |
| Lifts/elevators | 50, made by Otis Elevator Company |
| Design and construction | |
| Architect |
Fazlur Rahman Khan Skidmore, Owings and Merrill |
| Developer | John Hancock Insurance |
| Structural engineer | Skidmore, Owings & Merrill LLP (SOM) |
| Main contractor | Tishman Construction Co. |
| Website | |
| http://www.875northmichigan.com | |
| References | |
875 North Michigan Avenue, built as and still commonly referred to as the John Hancock Center, is a 100-story, 1,128-foot supertall skyscraper located in Chicago, Illinois. Located in the Magnificent Mile district, the building was known as the John Hancock Center prior to February 12, 2018.
It was constructed under the supervision of Skidmore, Owings and Merrill, with chief designer Bruce Graham and structural engineer Fazlur Khan. When the building topped out on May 6, 1968, it was the second-tallest building in the world and the tallest outside New York City. It is currently the fourth-tallest building in Chicago and the eighth-tallest in the United States, after One World Trade Center, the Willis Tower, 432 Park Avenue, the Trump Tower Chicago, the Empire State Building, the Bank of America Tower, and the Aon Center. When measured to the top of its antenna masts, it stands at 1,500 feet (457 m). The building is home to several offices and restaurants, as well as about 700 condominiums. It also contains the third-highest residence in the world, after the Burj Khalifa in Dubai and the Trump Tower in Chicago. The building was named for John Hancock Mutual Life Insurance Company, a developer and original tenant of the building. On February 12, 2018, John Hancock Insurance requested that its name and logos throughout the building’s interior be removed immediately.
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