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The John Hancock Center is a 100-story, 1,127-foot〔(【引用サイトリンク】title=John Hancock Center )〕 (344 m) supertall skyscraper at 875 North Michigan Avenue, Chicago, Illinois, United States. It was constructed under the supervision of Skidmore, Owings and Merrill,〔 with chief designer Bruce Graham and structural engineer Fazlur Khan.〔p. 422, ''American Architecture: A History'', Leland M. Roth, Westview Press, 2003, ISBN 0-8133-3662-7〕 When the building topped out on May 6, 1968, it was the tallest building in the world outside New York City. It is currently the fourth-tallest building in Chicago and the seventh-tallest in the United States, after One World Trade Center, the Willis Tower, 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 .〔(【引用サイトリンク】title=The John Hancock Center: 875 North Michigan Avenue, Chicago, Illinois )〕 The building is home to offices and restaurants, as well as about 700 condominiums, and contains the third highest residence in the world, after the Trump Tower in Chicago and the Burj Khalifa in Dubai.〔(【引用サイトリンク】title=The John Hancock Center )〕 The building was named for John Hancock Mutual Life Insurance Company, a developer and original tenant of the building, and has the nickname "Big John". From the 95th floor restaurant, diners can look out at Chicago and Lake Michigan. The Observatory (360 Chicago), which competes with the Willis Tower's Skydeck, has a 360° view of the city, up to four states, and a distance of over . The Observatory has Chicago's only open-air SkyWalk and also features a free multimedia tour in six languages. The 44th-floor sky lobby features America's highest indoor swimming pool.〔(Emporis.com )〕 On Saturday November 21, 2015 a fire occurred on the 50th floor of the building.〔 http://wgntv.com/2015/11/21/fire-reported-in-the-hancock-center/〕 ==History== The project, which would at that time become the world's second tallest building, was originally conceived of and owned by Jerry Wolman in late 1964, the project being financed by John Hancock Mutual Life Insurance Co. Construction of the tower was interrupted in 1967 due to a flaw in an innovative engineering method used to pour concrete in stages that was discovered when the building was 20 stories high.〔''Jerry Wolman: The World's Richest Man'', Joseph Bokol, Richard Bokol, 2012〕 The engineers were getting the same soil settlements for the 20 stories that had been built as what they had expected for the ''entire'' 99 stories. This forced the owner to stop development until the engineering problem could be resolved, and resulted in a credit crunch. This situation is similar to the one faced during the construction of 111 West Wacker, then known as the Waterview Tower. The owner went bankrupt, which resulted in John Hancock taking over the project, which retained the original design, architect, engineer, and main contractor. The building's first resident was Ray Heckla, the original building engineer, responsible for the residential floors from 44 to 92. Heckla moved his family in April 1969, before the building was completed. On November 11, 1981, Veterans Day, high-rise firefighting and rescue advocate Dan Goodwin, for the purpose of calling attention to the inability to rescue people trapped in the upper floors of skyscrapers, successfully climbed the building's exterior wall. Wearing a wetsuit and using a climbing device that enabled him to ascend the I-beams on the building's side, Goodwin battled repeated attempts by the Chicago Fire Department to knock him off. Fire Commissioner William Blair ordered Chicago firemen to stop Goodwin by directing a fully engaged fire hose at him and by blasting fire axes through nearby glass from the inside. Fearing for Goodwin's life, Mayor Jane Byrne intervened and allowed him to continue to the top.〔(Headliners Higher and Higher Published: 15 November 1981, New York Times )〕〔(【引用サイトリンク】url=http://www.justonebadcentury.com/chicago_cubs_history_47.asp )〕 The John Hancock Center was featured in the 1988 movie ''Poltergeist III''. On December 18, 1997, comedian Chris Farley was found dead in his apartment on the 60th floor of the John Hancock Center.〔(【引用サイトリンク】title=Chicago Ghosts )〕 On March 9, 2002, part of a scaffold fell 43 stories after being torn loose by wind gusts around crushing several cars, killing three people in two of them. The remaining part of the stage swung back-and-forth in the gusts repeatedly slamming against the building, damaging cladding panels, breaking windows, and sending pieces onto the street below. On December 10, 2006, the non-residential portion of the building was sold by San Francisco based Shorenstein Properties LLC for $385 million and was purchased by a joint venture of Chicago-based Golub & Company and the Whitehall Street Real Estate Funds.〔(Golub Real Estate Investment and Development )〕 Shorenstein had bought the building in 1998 for $220 million. In June 2013, a venture of Chicago-based real estate investment firm Hearn Co., New York-based investment firm Mount Kellett Capital Management L.P. and San Antonio-based developer Lynd Co. closed on the expected acquisition of the Hancock's 856,000 square feet of office space and 710-car parking deck. The Chicago firm did not disclose a price, but sources said it was about $145 million.〔 The previous owners fetched about $410 million through an unusual process in which it sold off the tower at 875 N. Michigan Ave. in four separate pieces to widen the pool of potential buyers. The office and parking portion was the last step in that piecemeal sale process. The venture of Deutsche Bank AG and New York-based NorthStar Realty Finance Corp. paid an estimated $325 million for debt on the Hancock in 2012 after its previous owners defaulted on $400 million in loans. The NorthStar-Deutsche Bank venture already had sold the retail and restaurant space, the observatory and the broadcast antennas for a combined $256 million in three previous deals.〔 An annual stair climb race up the 94 floors from the Michigan Avenue level to the observation deck called 'Hustle up the Hancock' is held on the last Sunday of February. The climb benefits the Respiratory Health Association of Metropolitan Chicago. The record time as of 2007 is 9 minutes 30 seconds. On April 16, 2009 at 6:00AM CDT, WYCC-TV transmitting off the John Hancock switched to all-digital broadcasting, becoming Chicago's first television station to stop broadcasting in an analog signal. WYCC-TV is one of only two Chicago market full-power television stations which broadcast from the top of the John Hancock Center. The other is WGBO-DT, while all of the other area stations broadcast from the top of the Willis Tower. On November 21, 2015, a fire broke out in an apartment on the 50th floor of the building. The Chicago Fire Department was able to extinguish the fire after an hour and a half; five people suffered minor injuries. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「John Hancock Center」の詳細全文を読む スポンサード リンク
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