Sears tower its name until 2009 is a 110 story 1 450 foot 442 1 m skyscraper in chicago.
Floor plans sears tower.
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.
It was the first skyscraper in the world to incorporate this type of lifts.
It was also the tallest building in the western hemisphere for 41 years until the new one world.
The surface is divided into 110 apartments 108 above ground which is accessed with 104 elevators 16 of which are double height.
The willis tower formerly and informally.
Sears tower is an attractive and modern office with a floor area of 418 64 square meters of which are rentable 353 961 m.
Built for sears roebuck and company the structure reaches 110 floors and a height of 1 450 feet 442 metres.
The new plans break this barrier blending the building into the city it calls home and re energizing the downtown area.
Sears tower commentary the sears tower was the world s tallest building.
The configuration incorporates the unusually large office floors necessary to sears operation along with a variety of smaller floors.
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.
The stepback geometry of the 110 story tower was developed in response to the interior space requirements of sears roebuck and company.