Sears Tower Essay

714 Words2 Pages

The amazing tower, built as and still traditionally regarded to as the Sears Tower, is a 108-story, 1,450-foot (442.1 m) high-rise in Chicago, Illinois, United States. At fulfillment in 1973, it transcend the World Trade Center towers in New York to become the giant building in the world, a merit held for nearly 25 years and persevered the tallest building in the Western Hemisphere until 2014 and the acquirement of a new building at the World Trade Center site. The structure is appraised an innovative accomplishment for its designer Fazlur Rahman Khan. The Willis Tower is the second-tallest building in the United States and the 16th-tallest in the world. More than one million people visit its remarkable landmark each year, making it one of …show more content…

Finished in 1974, Sears Tower set the scale for colossal skyscrapers around the world, both in its ingenious plan and elegant fashion. With 416,000 square meters of space, the building is relatively massive for its stature, with its substructure and the first 50 floors taking up a complete city block before the building start to limit. The step-back design of the formation was modeled by draftsmen as an undeviating outcome of Sears’ space prerequisites. The creators were obligated to establish a building that assimilated not only very large office floors, which were vital to Sears’ enterprise, but also an assortment of smaller floors which would be more acceptable for occupants requiring less floor …show more content…

The overall style of the building, with its simple black facade stressing verticality, reflects the prevalence of Miesian architecture in Downtown Chicago. From a distance, the simplicity helps demonstrate the structural system, as the lack of decoration instead features the tubular construction. The intersecting column lines are also abundantly clear, even from several miles away, adding to the visual separation of individual tubes. Black louvres cover the trussed levels of the building, making these levels apparent and visually clean. The Willis Tower has been a part of the Chicago skyline for nearly 40 years. The establishment formation is a wrap system of nine squares with sides of 75 feet (for an overall width of 225 x 225 ft. btw. exterior column lines and 229' at outside faces). Height to width ratio is 6.45:1. The tower was completed for $160 Million and used 76,000 tons of steel, 72,000 cubic yards of concrete, 17,500 tons of mechanical equipment. At cap fabrication, over 2,400 craftsmen were on site illustrating 60 different subcontractors. There are 76 single-deck elevators in addition to 14 double-deck elevators, bringing the total to 104 cabs. Other imposing amount contain 25,000 miles of plumbing and 2,000 miles of electrical wire. The exterior building material shows very little aging, a sign of its durable construction. Not only has the skyscraper

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