Skyscrapers in Chicago

Aon Center (Chicago)

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The Aon Center (200 East Randolph Street, formerly Amoco Building) is a modern skyscraper in Chicago designed by architect firms Edward Durell Stone and The Perkins and Will partnership, and completed in 1973 as the Standard Oil Building.<ref name="emporis">{{Citation

Шаблон:Refimprove Шаблон:Infobox Skyscraper

| author = Emporis | title = Aon Center, Chicago | url = http://www.emporis.com/en/wm/bu/?id=aoncenter-chicago-il-usa | accessdate = 2008-04-23 }}</ref> With 83 floors and a height of 1,136 feet (346 m), it is the third tallest building in Chicago, surpassed in height by the Sears Tower and the Trump Tower. The building is managed by Jones Lang LaSalle.

History

Skydeck.]] The Standard Oil Building was constructed as the new headquarters of the Standard Oil Company of Indiana, which had previously been housed at South Michigan Avenue and East 9th Street. When it was completed in 1973 it was the tallest building in Chicago and the fourth-tallest in the world, earning it the nickname "Big Stan".<ref name="gss">Шаблон:Citation</ref> (A year later, the Sears Tower took the title as Chicago's tallest.) The building employs a tubular steel-framed structural system with V-shaped perimeter columns to resist earthquakes, reduce sway, minimize column bending, and maximize column-free space. This construction method was also used for the World Trade Center towers in New York City.

When completed, it was the world's tallest marble-clad building, being sheathed entirely with 43,000 slabs of Italian Carrara marble. The marble used was thinner than previously attempted in cladding a building, this quickly proved to be a mistake. In 1974, just a year after completion, one of the marble slabs detached from the façade and penetrated the roof of the nearby Prudential Center Annex. Further inspection found numerous cracks & bowing in the marble cladding of the building. To alleviate the problem, stainless steel straps were added to hold the marble in place. Later, from 1990 to 1992, the entire building was refaced with Mount Airy white granite at an estimated cost of over $80 million.<ref name="globe">Шаблон:Citation</ref> (Amoco was reticent to divulge the actual amount, but it was well over half the original price of the building, without adjustment for inflation.) The discarded marble was crushed and used as landscaping decoration at Amoco's refinery in Whiting, Indiana.

The Standard Oil Building was renamed the Amoco Building when the company changed names in 1985. In 1998, Amoco sold the building to The Blackstone Group for an undisclosed amount, estimated to be between $430 and $440 million. It was renamed as the Aon Center on December 30, 1999, although the Aon Corporation would not become the building's primary tenant until September 2001.<ref>Шаблон:Citation</ref> In May 2003, Wells Real Estate Investment Trust, Inc. acquired the building for between $465 and $475 million.<ref>Шаблон:Citation</ref> (On August 10, 2007, Wells Real Estate Investment Trust, Inc. changed its name to Piedmont Office Realty Trust, Inc.)<ref>Шаблон:Citation</ref>

Exterior lighting

In the early 1980s, the lights in selected offices in the building were turned on to form a huge cross during the Christmas season.Шаблон:Fact In recent years, the top floors of the building have been lit at night with colors to reflect a particular season or holiday. Orange is used for Thanksgiving, green or red for Christmas, and pink during Breast Cancer Awareness Month. The lighting commonly matches the nighttime lighting on the antenna of the Sears Tower, John Hancock Center and the upper floors of the Merchandise Mart.

Plaza

In the plaza, there is a Sounding Sculpture by Harry Bertoia.

Tenants

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  • Aon Corporation maintains its headquarters in the Aon Center.<ref>"Contact Us." AON Corporation. Retrieved on January 31, 2009.</ref>
  • Chicagoland Chamber of Commerce, Suite 2200<ref name="Chicityguide">"Chicago." SkyTeam. Retrieved on January 31, 2009.</ref>
  • Agency.com
  • British Petroleum, successor to Amoco and Standard Oil
  • Kirkland & Ellis
  • DDB Worldwide
  • Element 79
  • Jones Lang LaSalle
  • Daniel Edelman Inc.
  • ThoughtWorks
  • R.H. Donnelly
  • Strata Decision Technology<ref>"Strata Decision Technology Chicago Office Relocates." Retrieved on February 24, 2009.</ref>
  • The Mid-America Club
  • Veolia
  • Zeno Group
  • Microsoft

Position in Chicago's skyline

Шаблон:Chicago skyline

See also

  • List of buildings
  • List of skyscrapers
  • List of tallest buildings in Chicago
  • List of tallest buildings in the United States
  • World's tallest structures
  • List of tallest freestanding structures in the world

Notes

Шаблон:Reflist

External links

Шаблон:Commonscat

Шаблон:Start box Шаблон:Succession box Шаблон:Succession box Шаблон:End box

Шаблон:Chicago Шаблон:Supertall skyscrapers Шаблон:Chicago Skyscrapers


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Leyla A
6 July 2012
hey, if you are going to smoke in the plaza, how about picking up your cigatette butt!
Chicago Tribune
26 September 2011
1,136 feet tall. 5th-tallest in the United States; formerly known as the Standard Oil Building. Learn more about Aon at http://trib.in/qzPAiS
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Location
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Address

200 East Randolph Street, Chicago, IL 60601, USA

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Open hours
Mon 7:00 AM–4:00 PM
Tue-Thu 7:00 AM–6:00 PM
Fri 7:00 AM–5:00 PM
Sat None
References

Aon Center on Foursquare

Aon Center (Chicago) on Facebook

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