– Construction is completed, the last floors are “topped out.”ġ973 – The Sears Tower is open to tenants.ġ994 – Sears, Roebuck and Co. Weight – 222,500 tons or 445 million poundsīuilding exterior – black aluminum and bronze-tinted glassĪrchitectural firm – Skidmore, Owings & Merrill Lowest level – 43 feet below Franklin St.īuilding Size – 4.56 million gross square feet Height to Skydeck/103rd floor – 1,354 feet Height with the two antennas – 1,730 feet The Skydeck elevator can travel to the Skydeck in one minute, ten seconds.Ĭharacteristics: Structural Height – 1,450 feet or 110 floors Other Info: The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the Petronas Twin Towers.ġ00 tallest completed buildings in the world.Ģ5,000 people enter the skyscraper every day.ġ.3 million visitors go up to the Skydeck each year. The visitors’ observation deck, called the “Skydeck,” is located on the 103rd floor. Formerly the Sears Tower, it is now named for its tenants, the Willis Group Holdings. Here’s some background information about Willis Tower, located in Chicago. Please look at the time stamp on the story to see when it was last updated. This is an archived article and the information in the article may be outdated.
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