The surface is divided into 110 apartments 108 above ground which is accessed with 104 elevators 16 of which are double height.
Floor plans sears tower.
The stepped back profile reminiscent of skyscrapers of the 1920s is a solution to the engineering challenge of supporting such a tall tower.
At 1 454 feet and 110 stories tall the willis tower formerly known as sears tower was the world s tallest building from its construction in 1974 until 1998.
The new plans break this barrier blending the building into the city it calls home and re energizing the downtown area.
Sears tower is an attractive and modern office with a floor area of 418 64 square meters of which are rentable 353 961 m.
Designed in the 1960s willis tower like its contemporaries was built atop a base to separate the urban streetscape from the building and to minimize the number of people walking along the sidewalk.
Sears tower its name until 2009 is a 110 story 1 450 foot 442 1 m skyscraper in chicago.
At completion in 1973 it surpassed the world trade center in new york city to become the tallest building in the world a title that it held for nearly 25 years.
The willis tower formerly and informally.
The stepback geometry of the 110 story tower was developed in response to the interior space requirements of sears roebuck and company.
The configuration incorporates the unusually large office floors necessary to sears operation along with a variety of smaller floors.
Sears tower commentary the sears tower was the world s tallest building.
It was also the tallest building in the western hemisphere for 41 years until the new one world.