![]() LAWSUITS ATTEMPTED TO KEEP THE TOWER FROM EXCEEDING 67 STORIES. Sears Tower ( Willis Tower) Sears Tower Location: Chicago, Illinois Project started: 1970 Project Completion: 1974 Site Area: 3 acres Project Area: 4,565,844 ft2 (105 acres) Number of Stories: 110 Building Height: 1,450 ft (442 m) Market: Commercial + Office 3.8 million rentable square feet (89 acres. The building houses some of the citys largest corporations covering the financial services, legal and insurance industries. The inhabitants of the bustling office building generated new energy in a formerly stagnant West Loop neighborhood. But in the end, the tower’s location proved to be advantageous for the city as well. The image struck a chord with both men and ensured the utilization of the tube method for the Sears Tower. The location of the tower was strategically selected for its proximity to expressways and commuter rail lines to benefit Sears employees. As the story goes, during a lunch to discuss these reservations, Graham grabbed a handful of Camel cigarettes from his pocket and displayed the bundled cylinders, each peering out of his fist at different heights, to his partner. Khan was particularly uncertain that the tube system would yield a sleek-looking skyscraper. Unsurprisingly, Sears Tower architect Bruce Graham and structural engineer Fazlur Rahman Khan struggled with the question of marrying stability and style in such a massive building and were unsure of how to reach the building’s target height without sacrificing aesthetic appeal. The Sears Tower opened to tenants in 1973, though construction was not actually completed until 1974. The Willis Tower, built and still commonly referred to as Sears Tower, is a 108-storey, 1,451-foot (442 m) skyscraper in Chicago, Illinois, United States. THE DESIGN WAS INSPIRED BY A PACK OF CIGARETTES. Willis Tower, formerly (19732009) Sears Tower, skyscraper office building in Chicago, Illinois, located at 233 South Wacker Drive, that is one of the world’s tallest buildings. Two (the northwest and southeast tubes) ascend to the building’s 50th story two (northeast and southwest) to its 66th three (north, south, and east) to its 90th and two (west and center) to the Sears Tower’s peak on the 108th story. ![]() The “tubes” share a uniform width, measuring to 75 feet square, but are diverse in height. Unlike fellow giants like the Empire State Building and the World Trade Center, the Sears Tower was actually constructed as a collection of nine separate buildings, planted together in a unifying square. ![]()
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