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原文：Sears Tower

原文网址：http://www.skyscraper.org/TALLEST_TOWERS/t_sears.htm

Architects: Bruce Graham, design partner, Skidmore, Owings and Merrill

Location: Chicago

Client: Sears Roebuck and Company,

Engineer: Fazlur Khan of Skidmore, Owings and Merrill.

Project year: 1970-1974

Sears Tower
(4.5 million ft2)
Chicago, Illinois (1974)
1,454 feet, 443.0 meters, 110 stories
Original owners: Sears Roebuck and Company. Architect: Bruce Graham,
design partner, Skidmore, Owings and Merrill. Engineer: Fazlur Khan of
Skidmore, Owings and Merrill.
Constructed 1970-1974

In the late 1960s, Sears Roebuck and Company, then the world's largest
retailer with $8.9 billion in sales, decided to consolidate its administrative
operations in downtown Chicago. The company determined it needed 3
million ft2 of office space with floors of 50,000 ft2 to accommodate its
13,000 employees in their major departments.

The first designs were for a boxy structure exclusively for Sears, but the
architects and real estate advisors pressed for a taller tower with upper
floors for tenants. The building slowly stretched to 4.5 million ft2 and 110
stories, and in July 1970, Sears trumpeted its plans for the world's tallest
building. At 1454 feet, its height surpassed the World Trade Center by
100 feet and was, according to Sears "as tall as the FAA (Federal Aviation