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chicago office spaceThe Sears Tower is a skyscraper in Chicago, Illinois, and the tallest building in the United States. Commissioned by Sears, Roebuck and Company, it was designed by chief architect Bruce Graham and structural engineer Fazlur Khan of Skidmore, Owings, & Merrill. Construction commenced in August 1970 and the building reached its maximum height on May 3, 1973. When completed, the Sears Tower had overtaken the twin towers of the World Trade Center in New York City as the world's tallest building. The tower has 108 stories (the building owners claim 110, but this includes the main roof and the roof of the elevator penthouse). The distance to the upper roof is 1,450 feet, 7 inches (442 m), measured from the east entrance. In February 1982, two television antennas were added to the structure, bringing its total height to 1,707 feet (520 m). NY23com. The western antenna was later extended to 1,729 feet (527 m) on June 5, 2000 to improve reception of local NBC station WMAQ-TV. In the process it surpassed the height of the antenna on 1 World Trade Center. The Sears Tower also has the most total floor space of any commercial building in the United States, and second-most overall to The Pentagon in Arlington County, Virginia. One-story high black bands appear on the tower around the 30th-32nd, 64th-65th, 88th-89th, and 106th-107th floors. These allow ventilation for service equipment and obscure the tower's diagonal "X" bracing, which Sears Roebuck did not want to be visible. The building's official address is 233 South Wacker Drive, Chicago, Illinois 60606. Home modular office office furniture desks office 2003 software office xp office fax machines serviced office office time clock probation officer office xp microsoft loan officer opportunity rent office equipment us patent office loan officer lead dallas executive office space houston office space software ms office high price office downloads dallas commercial office space medical office career real estate office management office xp pro oem directors and officers insurance legal office supply modular office workstation dental office construction post office savings government offices post office bank account chair office posture office xp academic office systems frisco office space for rent home security system money making systems futures trading system home security alarm system medical alert system touch screen system content management system web security cameras systems telephone systems suppliers uk call center phone systems toshiba telephone systems labeling system nutone intercom systems |