Sears Tower Roof Height

Skidmore owings merrill.

Sears tower roof height.

With a pinnacle height of 1730 feet 527 m it is the second tallest freestanding structure in the americas as it is 86 feet 26 m shorter than toronto s cn tower and is the only other freestanding structure in the americas to exceed 1640 feet 500 m in height. Architect bruce graham and structural engineer fazlur khan. The sears tower is an example of the revolutionary bundled tube. 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 administration will let us go for more than twenty years after its completion in 1974 sears tower remained the tallest skyscraper and it is still the largest.

Built for sears roebuck and company the structure reaches 110 floors and a height of 1 450 feet 442 metres excluding broadcast antennas and their supports and provides more than 400 000 square metres. The willis tower formerly sears tower in chicago with its signature black aluminum and bronze tinted glare reducing glass was the tallest building in the world for nearly 25 years. Completed in 1974 willis tower set the standard for supertall skyscrapers around the globe both in its innovative design and graceful styling. There were already 3 skyscrapers beyond 300 meters 984ft by roof height existing as early as 1970s among them the sears tower had been the tallest building in the world for many decades until in 1997 when petronas towers spires surpassed it and had been the tallest in america for a longer time until in 2012 when one world trade center s antenna surpassed it.

Its roof is 1 450 ft 7 in 442 m above street level or 2 046 ft 624 m above sea level the 103rd floor observation deck the sky deck is 1 353 ft 412 m above street level or 1 948 ft 593 8 m above sea level and the franklin street entrance is 595 ft 181 m above sea level. The 108 story sears tower was the tallest building in the western hemisphere.