Friday, June 12, 2015

Sky Deck "The Ledge" at the Willis Tower (May, 13)





The visitors' observation deck, called the "Skydeck," is located on the 103rd floor.
They can step out on to "The Ledge," a glass box which extends out 4.3 feet from the Skydeck.
 The Skydeck elevator can travel to the Skydeck in one minute, ten seconds.
Architect - Bruce Graham
Structural Engineer - Fazlur Khan
 Structural Height - 1,450 feet or 10 floors
Height with the two antennas - 1,730 feet
Height to Skydeck/103rd floor - 1,354 feet
 1970 - Construction begins
 January 2010


DID YOU KNOW? 

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