Chicago Illinois
In 1969 Sears, Roebuck & Company was by far the largest retail business in the world with approximately 350 000 employees. Sears decided to unite its thousands of employees scattered throughout Chicago into a single building in the west of the city. The company was built on an area of 279 000 square metres, with predictions of future expansion. The architects Skidmore, Owings and Merrill knew that the building would become one of the highest skyscrapers in the world.
The space inside the tower was sufficient to accommodate all the employees of Sears at the beginning. The Sears administration, however, decided not to occupy remaining space due to the possibility of future expansion of the tower. Seeing how it is easier to rent spaces with windows, the ratio of space without window area against space with window area decreased as the height of the tower increased. As a result, as the tower height increased, the area decreased. This is what gave the Sears Tower its narrow look.
As time passed, the height of the Sears Tower was increasing steadily, due to the optimistic plans to expand. It exceeded the height of World Trade Center towers, which were then under construction. This was a time when it was time to stop. Not because the tower could no longer bear more, or because the architects had no imagination, but because the Federal Aviation Administration imposed a limit to protect air traffic. It was therefore Sears, who decided to finish the construction by placing two antennas on the roof of the building for the distribution of local television stations as well as some radio stations.
For more information about Chicago, Illinois visit http://www.GuidedTourChicago.com
For information about great Chicago gangland costumes visit http://www.thehalloweencostumestore.com
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