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Willis Tower
Sears Tower ss.jpg

Willis Tower was the world's tallest building from 1974 to 1998.[I]
Former/other names Sears Tower
Record height
Preceded by World Trade Center
Surpassed by Petronas Twin Towers
General information
Location 233 S. Wacker Drive
Chicago, Illinois 60606
 United States
Status Complete
Constructed 1970-1973
Use Office, observation, communication
Height
Antenna or spire 1,730 feet (527 m)
Roof 1,451 ft (442 m)[1]
Technical details
Floor count 108[1]
Floor area 4.56 million sq ft (3.81 million sq ft rentable)
424,000 m² (354,000 m² rentable)[2]
Elevators 104, with 16 double-decker elevators, made by Westinghouse, modernized by Schindler Group
Companies involved
Architect(s) Skidmore, Owings and Merrill
.
^ Fully habitable, self-supported, from main entrance to highest structural or architectural top; see the list of tallest buildings in the world for other listings.
^ Height is measured from sidewalk level of main entrance to structural top of building.
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

^ List of tallest buildings and structures in the world - Wikipedia, the free encyclopedia .
  • How Tall Is The Sears Tower - Ask Jeeves Search 17 January 2010 0:57 UTC uk.ask.com [Source type: General]

^ World's Tallest Buildings — Infoplease.com .
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

.Willis Tower, formerly named Sears Tower, is a 108-story 1,451 feet (442 m) skyscraper in Chicago, Illinois.^ Chicago's Sears Tower to get new tenant, new name .
  • Newsvine - sears-tower 17 January 2010 0:57 UTC www.newsvine.com [Source type: News]

^ As of Thursday, the iconic Chicago, Illinois, skyscraper is now named Willis Tower.
  • Sears Tower: News & Videos about Sears Tower - CNN.com 17 January 2010 0:57 UTC topics.cnn.com [Source type: News]

^ More about: Chicago • travel • tourism • Sears Tower • Willis Tower .
  • Goodbye, Sears Tower; Hello, Willis Tower - Business News Summaries | Newser 16 October 2009 11:47 UTC www.newser.com [Source type: News]

[1] .At the time of its completion in 1973, it was the tallest building in the world, surpassing the World Trade Center towers in New York.^ The Sears Tower , a signature supertall skyscraper in Chicago , Illinois , has been the tallest building in the Americas since 1973 when it surpassed the World Trade Center .
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ At the time it was built in 1973, the 108-story 1,450 feet (442 meter) Sears Tower was the tallest building in the world, surpassing the World Trade Center towers in New York.
  • Six-year jail term for Sears Tower plotter - World - Javno 17 January 2010 0:57 UTC www.javno.com [Source type: News]
  • channelnewsasia.com - Leader of Sears Tower plot sentenced to 13 years' jail 17 January 2010 0:57 UTC www.channelnewsasia.com [Source type: News]

^ It is world’s tallest steel building 2.
  • Petronas vs. Sears Tower Controversy 17 January 2010 0:57 UTC www.ctbuh.org [Source type: FILTERED WITH BAYES]

.Currently, Willis Tower is the tallest building in the United States and the fifth-tallest freestanding structure in the world as well as the fifth tallest building in the world to the roof.^ It is world’s tallest steel building 2.
  • Petronas vs. Sears Tower Controversy 17 January 2010 0:57 UTC www.ctbuh.org [Source type: FILTERED WITH BAYES]

^ The Sears Tower is the tallest building in North America and the third tallest in the world.
  • Will Illinoisans Call the Sears Tower the Willis Tower? - Associated Content - associatedcontent.com 17 January 2010 0:57 UTC www.associatedcontent.com [Source type: General]

^ At 1450 feet and 110 stories, the tallest building in the United States.

.Although Sears' naming rights expired in 2003, the building continued to be called Sears Tower for several years.^ Sears said the building will continue to be named Sears Tower.
  • Business | Sears Tower To Be Sold, But Tallest Building To Keep Name | Seattle Times Newspaper 17 January 2010 0:57 UTC community.seattletimes.nwsource.com [Source type: News]

^ It will always be "Sears Tower" you will have to brainwash me to call it by other name ;-) .
  • CLTV Local News 17 January 2010 0:57 UTC weblogs.cltv.com [Source type: General]

^ Willis we always call it the Sears Tower?
  • Willis Tower Becomes Official: Sears Tower Renamed 16 October 2009 11:47 UTC www.huffingtonpost.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

.However, in March 2009 London-based insurance broker Willis Group Holdings, Ltd., agreed to lease a portion of the building and obtained the building's naming rights as part of the agreement.^ It follows the leasing of the lion's share of the 1,450ft office block by the London-based insurance services company Willis Group Holdings.
  • Willis or won't it? Chicago's famous Sears Tower is renamed Willis Tower but residents may reject its new identity | Mail Online 17 January 2010 0:57 UTC www.dailymail.co.uk [Source type: News]

^ It's all part of a deal with the London-based Willis Group Holdings.
  • Sears Tower To Be Renamed, Become Willis Tower 16 October 2009 11:47 UTC www.huffingtonpost.com [Source type: General]

^ Willis has every right to change the name if the owners of the building agree to the change.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

.On July 16, 2009, at 10:00 am Central Time, the building was officially renamed Willis Tower.^ July 16, 2009 3:10 PM .
  • CLTV Local News 17 January 2010 0:57 UTC weblogs.cltv.com [Source type: General]

^ Thursday, July 16, 2009 .
  • Farewell Sears Tower: Tallest Building in U.S. Renamed - Local News | News Articles | National News | US News - FOXNews.com 16 October 2009 11:47 UTC www.foxnews.com [Source type: News]
  • Sears Tower renamed Willis Tower in ceremony 17 January 2010 0:57 UTC www.sfgate.com [Source type: News]

^ THURSDAY, JULY 16, 2009 .

Contents

History

Planning and construction

.In 1969, Sears, Roebuck & Co. was the largest retailer in the world, with approximately 350,000 employees.^ This site is not affiliated with Sears, Roebuck and Co.
  • Sears Tower / Willis Tower - Guestbook 16 October 2009 11:47 UTC thesearstower.org [Source type: General]
  • Sears Tower, Chicago, Illinois - Guestbook 17 January 2010 0:57 UTC thesearstower.org [Source type: General]

^ By the late 1960s, Sears, Roebuck & Co.
  • Willis Tower - RitchieWiki 17 January 2010 0:57 UTC www.ritchiewiki.com [Source type: FILTERED WITH BAYES]

^ The tower was previously named for Sears Roebuck & Co., which was headquartered there and was the original tenant after the building's completion in 1973.
  • Say goodbye to Chicago's Sears Tower | Gadling.com 17 January 2010 0:57 UTC www.gadling.com [Source type: News]

[3] .Sears executives decided to consolidate the thousands of employees in offices distributed throughout the Chicago area into one building on the western edge of Chicago's Loop.^ Willis is consolidating five area offices and moving 500 employees to the building.
  • From today, Sears Tower is Willis Tower - US - World - The Times of India 17 January 2010 0:57 UTC timesofindia.indiatimes.com [Source type: News]

^ Willis employees are moving into this building.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ Willis will consolidate its five Chicago-area offices and move 500 employees into the tower.
  • Sears Tower Renamed - The Daily Beast 17 January 2010 0:57 UTC www.thedailybeast.com [Source type: General]
  • Sears Tower Renamed - The Daily Beast 17 January 2010 0:57 UTC www.thedailybeast.com [Source type: General]
  • Sears Tower Renamed - The Daily Beast 17 January 2010 0:57 UTC www.thedailybeast.com [Source type: General]

.With immediate space demands of 3 million square feet (279,000 m²), and predictions and plans for future growth necessitating even more space, Sears commissioned architects Skidmore, Owings and Merrill to produce a structure that would be one of the largest office buildings in the world.^ The retail space is roughly 159,000 square feet .
  • Red Pepper Investments - Preconstruction Condos Chicago | Preconstruction Chicago | New Condos Chicago | New Homes Chicago 17 January 2010 0:57 UTC redpepperinvestments.com [Source type: News]

^ The world's largest building at the time.
  • Sears Tower Gets a New Name - FOXBusiness.com 17 January 2010 0:57 UTC www.foxbusiness.com [Source type: General]

^ Skidmore, Owings & Merrill Architectual Firm designed the building.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

.Their team of architect Bruce Graham and structural engineer Fazlur Khan designed the building as nine square "tubes"—each essentially a separate building—clustered in a 3x3 matrix.^ It was designed by chief architect Bruce Graham and structural engineer Fazlur Khan for the Sears, Roebuck Company, the world's largest retailer at the time.
  • Sears Tower Canvas Prints Painting, Picture, Photo, Panorama, Mural, Art Piece - Canvas Prints 17 January 2010 0:57 UTC www.greatbigcanvas.com [Source type: General]

^ Commissioned by Sears, Roebuck and Company , it was designed by chief architect Bruce Graham and structural engineer Fazlur Khan of Skidmore, Owings and Merrill .
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ Sears hired the Skidmore, Owings & Merrill firm with Bruce Graham as the head architect and Fazlur Khan as structural engineer.
  • Willis Tower - RitchieWiki 17 January 2010 0:57 UTC www.ritchiewiki.com [Source type: FILTERED WITH BAYES]

[4] .All nine tubes would rise up to the 50th floor of the building.^ All nine tubes reach up through the 49th floor, where three terminate.
  • Sears Tower - Bruce Graham/ SOM - Great Buildings Online 17 January 2010 0:57 UTC www.greatbuildings.com [Source type: General]
  • Sears Tower - Archiplanet 17 January 2010 0:57 UTC www.greatbuildings.com [Source type: FILTERED WITH BAYES]

^ Now, I can't imagine the pileup of poop that would splatter all over the Wacker Drive sewer system if the stuff went straight down the tube.
  • The Straight Dope: When a toilet atop the Sears Tower is flushed, do the contents fall 110 floors? 17 January 2010 0:57 UTC www.straightdope.com [Source type: General]

^ The building is constructed of nine 75-foot-square tubes of welded steel that extend between 50 and 108 stories high.
  • 42. Sears Tower (1974) - Chicago, IL; Bruce Graham, FAIA; Skidmore, Owings & Merrill (America's Favorite Architecture) 17 January 2010 0:57 UTC blog.aia.org [Source type: General]

.At the 50th floor, the northwest and southeast tubes end, and the remaining seven continue up.^ The Sears Tower uses nine such tubes, with all the tubes intact to the 50th floor, where the first "setback" occurs -- where the face of the building is set back from the face of the floor below it.
  • Education World ® - Lesson Planning: World's Tallest Buildings! 17 January 2010 0:57 UTC www.educationworld.com [Source type: News]

^ Two more opposite corner tubes terminate at a slightly higher floor, two more end with the 91st floor, and two tubes extend to the full height.
  • Sears Tower - Bruce Graham/ SOM - Great Buildings Online 17 January 2010 0:57 UTC www.greatbuildings.com [Source type: General]
  • Sears Tower - Archiplanet 17 January 2010 0:57 UTC www.greatbuildings.com [Source type: FILTERED WITH BAYES]

^ All nine tubes reach up through the 49th floor, where three terminate.
  • Sears Tower - Bruce Graham/ SOM - Great Buildings Online 17 January 2010 0:57 UTC www.greatbuildings.com [Source type: General]
  • Sears Tower - Archiplanet 17 January 2010 0:57 UTC www.greatbuildings.com [Source type: FILTERED WITH BAYES]

.At the 66th floor, the northeast and the southwest tubes end.^ Setbacks are introduced at the 66th floor and at the 90th floor, so that the top 20 floors are constructed of just two tubes.
  • Education World ® - Lesson Planning: World's Tallest Buildings! 17 January 2010 0:57 UTC www.educationworld.com [Source type: News]

.At the 90th floor, the north, east, and south tubes end.^ Setbacks are introduced at the 66th floor and at the 90th floor, so that the top 20 floors are constructed of just two tubes.
  • Education World ® - Lesson Planning: World's Tallest Buildings! 17 January 2010 0:57 UTC www.educationworld.com [Source type: News]

^ North America Central America & Caribbean South America Europe Asia Middle East Africa Oceania Plane Answers: So you want to be a pilot?
  • Sears Tower to open glass bottom box at 1300 feet | Gadling.com 17 January 2010 0:57 UTC www.gadling.com [Source type: FILTERED WITH BAYES]

^ Africa Asia Central America Europe Middle East North America Oceania South America .
  • Chicago's Sears Tower renamed Willis Tower - Wikinews, the free news source 17 January 2010 0:57 UTC en.wikinews.org [Source type: FILTERED WITH BAYES]

.The remaining west and center tubes continue up to the 108th floor.^ This is one of three "Tubes" that terminate just below the last set of "Tubes" that terminate at the 108th floor and the official roof of the tower.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ All nine tubes reach up through the 49th floor, where three terminate.
  • Sears Tower - Bruce Graham/ SOM - Great Buildings Online 17 January 2010 0:57 UTC www.greatbuildings.com [Source type: General]
  • Sears Tower - Archiplanet 17 January 2010 0:57 UTC www.greatbuildings.com [Source type: FILTERED WITH BAYES]

.Sears executives decided early on that the space they would immediately occupy should be efficiently designed to house the small army that was their Merchandise Group.^ United would use the space to house its operations center, which is currently based in far-suburban Elk Grove Township near O'Hare International Airport.
  • United in talks to move operations to Willis (Sears) Tower, reports say - Today In the Sky - USATODAY.com 17 January 2010 0:57 UTC blogs.usatoday.com [Source type: News]

^ Thus, they realized that they would eventually need even more space.
  • Illinois Information - Sears Tower Chicago 17 January 2010 0:57 UTC illinoisroads.info [Source type: General]

^ It was designed in the late 1960s to house Sears, Roebuck & Co.
  • Willis Tower - RitchieWiki 17 January 2010 0:57 UTC www.ritchiewiki.com [Source type: FILTERED WITH BAYES]

.But floor space for future growth would be rented out to smaller firms and businesses until Sears could retake it.^ Also the idea of adding to a name make's good business sense,in more ways that one,the idenity of this building has the name going for itsef and the very folks that will be renting floor space are the folks whom likely can identify with the name.
  • Sears Tower, Chicago, Illinois - Guestbook 17 January 2010 0:57 UTC thesearstower.org [Source type: General]

^ If someone wanted to build a tower this tall here, people living in rent-controlled units would freak out that it would block their sunlight.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Page 2 - Wired New York Forum 17 January 2010 0:57 UTC host.wirednewyork.com [Source type: General]

^ Since then it has continued to hold the record for the highest floor that was rented out - the 110th if you are interested.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

.Therefore, the floor sizes would need to be smaller, and to have a high window-space to floor-space ratio, to be attractive and marketable to these prospective lessees.^ Thus, they realized that they would eventually need even more space.
  • Illinois Information - Sears Tower Chicago 17 January 2010 0:57 UTC illinoisroads.info [Source type: General]

^ It allowed for large open office spaces on the lower levels, where Sears, Roebuck and Company would reside, and smaller floor plates on the upper levels with unobstructed views of the cityscape.
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

^ The window project is estimated to be enough to cut heating needs by 50 percent and allow for new, smaller mechanical systems with a significantly lower environmental impact.
  • Real Estate | Chicago's Willis (formerly Sears) Tower growing greener | Seattle Times Newspaper 17 January 2010 0:57 UTC seattletimes.nwsource.com [Source type: FILTERED WITH BAYES]

Smaller floor sizes necessitated a taller structure. .Skidmore architects proposed a tower which would have large 55,000-square-foot (5,000 m²) floors in the lower part of the building, and would gradually taper the area of the floors down in a series of setbacks, which would give the Sears Tower its distinctive, husky-shouldered look.^ You can look down 4,000 feet!!!
  • A glass-bottom Skydeck for Sears Tower - Chicago Breaking News 17 January 2010 0:57 UTC www.chicagobreakingnews.com [Source type: FILTERED WITH BAYES]

^ Everyboddy would say: Look at the ugly Sears Tower.
  • #004 l Sears Tower l CHICAGO l 442m l 108fl - Page 11 - SkyscraperCity 17 January 2010 0:57 UTC www.skyscrapercity.com [Source type: FILTERED WITH BAYES]

^ Build and display the Sears Tower!
  • Sears Tower | LEGO® Exclusives | LEGO Shop 17 January 2010 0:57 UTC shop.lego.com [Source type: General]

.As Sears continued to offer optimistic projections for growth, the tower's proposed height soared into the low hundreds of floors and surpassed the height of New York's unfinished World Trade Center to become the world's tallest building.^ It is world’s tallest steel building 2.
  • Petronas vs. Sears Tower Controversy 17 January 2010 0:57 UTC www.ctbuh.org [Source type: FILTERED WITH BAYES]

^ World's Tallest Buildings — Infoplease.com .
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

^ I'm impress with the height of Sear Tower.
  • Willis Tower Skydeck - Attraction in Chicago, IL - Ratings and Information - TravelMuse 17 January 2010 0:57 UTC www.travelmuse.com [Source type: FILTERED WITH BAYES]

.Restricted in height not by physical limitation or imagination but rather by a limit imposed by the Federal Aviation Administration to protect air traffic, the Sears Tower was financed completely out of Sears' deep pockets and topped with two antennas to permit local television and radio broadcasts.^ Report — Thursday night , a thunderstorm came out of the nowhere over Chicago city and I saw multiple lightning strikes on top of the Sears tower.
  • Lightning strikes Sears Tower Chicago - CNN iReport 17 January 2010 0:57 UTC www.ireport.com [Source type: News]

^ Once the world’s tallest building, the Sears Tower was pushed to third tallest when Taiwan's 1,667-foot-tall Taipei 101 was completed in October 2003.
  • Sears Tower – Chicago | Discover America | Famous Attraction in Chicago 17 January 2010 0:57 UTC www.discoveramerica.com [Source type: General]

^ In February 1982, two television antennas were added to the structure, increasing its total height to 1707 ft.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

.Sears and the City of Chicago approved the design, and the first steel was put in place in April 1971. The structure was completed in May 1973. Construction costs totaled approximately $150 million USD at the time,[5] which would be equivalent to roughly $950 million USD in 2005. For comparison, Taipei's Taipei 101, built in 2004, cost around the equivalent of US$1.76 billion in 2005 dollars.^ The cost of construction for the Sears Tower project is estimated at $350 million.
  • Facility Blog » Blog Archive » Sears Tower Going Greener 17 January 2010 0:57 UTC todaysfacilitymanager.com [Source type: News]
  • Global Viewpoints: Sears Tower Unveils $350M Sustainable Plan to Transform Tallest Building in Western Hemisphere 17 January 2010 0:57 UTC www.argussoftwareblog.com [Source type: General]
  • Sustainable Initiatives Planned for Sears Tower 17 January 2010 0:57 UTC www.interiorsandsources.com [Source type: News]

^ Willis has been in the City of Chicago for a long time.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ Completed in 1973 after three years of construction, the Tower cost in excess of $150 million to build.
  • http://www.bbc.co.uk/dna/h2g2/A800812 17 January 2010 0:57 UTC www.bbc.co.uk [Source type: General]

.Black bands appear on the tower around the 29th–32nd, 64th–65th, 88th–89th, and 104th–108th floors.^ Black bands appear on the tower around the 29th32nd, 64th65th, 88th89th, and 104th109th floors.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ This is one of three "Tubes" that terminate just below the last set of "Tubes" that terminate at the 108th floor and the official roof of the tower.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

.These are louvers which allow ventilation for service equipment and obscure the structure's belt trusses which Sears Roebuck did not want to be visible as on the John Hancock Center.^ These are louvers which allow ventilation for service equipment and obscure the structure's belt trusses which Sears Roebuck did not want to be visible as on the John Hancock Center .
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ It was designed by chief architect Bruce Graham and structural engineer Fazlur Khan for the Sears, Roebuck Company, the world's largest retailer at the time.
  • Sears Tower Canvas Prints Painting, Picture, Photo, Panorama, Mural, Art Piece - Canvas Prints 17 January 2010 0:57 UTC www.greatbigcanvas.com [Source type: General]

^ Commissioned by Sears, Roebuck and Company , it was designed by chief architect Bruce Graham and structural engineer Fazlur Khan of Skidmore, Owings and Merrill .
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

.In February 1982, two television antennas were added to the structure, increasing its total height to 1,707 feet (520 m).^ In February 1982, two television antennas were added to the structure, increasing its total height to 1707 ft.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ However, when the antennas were added in 1982 to improve NBC's reception, it increased its height 1,705 feet.
  • Sears Tower Canvas Prints Painting, Picture, Photo, Panorama, Mural, Art Piece - Canvas Prints 17 January 2010 0:57 UTC www.greatbigcanvas.com [Source type: General]

^ Twin radio towers rise above the building for a total height of 1,707 feet (520 meters).
  • http://www.bbc.co.uk/dna/h2g2/A800812 17 January 2010 0:57 UTC www.bbc.co.uk [Source type: General]

.The western antenna was later extended to 1,730 feet (527 m)[6] on June 5, 2000 to improve reception of local NBC station WMAQ-TV.^ However, when the antennas were added in 1982 to improve NBC's reception, it increased its height 1,705 feet.
  • Sears Tower Canvas Prints Painting, Picture, Photo, Panorama, Mural, Art Piece - Canvas Prints 17 January 2010 0:57 UTC www.greatbigcanvas.com [Source type: General]

^ In June 2000, Sears Tower once again became the world's tallest building from base to tip of antenna, when a 22 ft.
  • Chicago: Sears Tower - View from Southwest on Flickr - Photo Sharing! 17 January 2010 0:57 UTC www.flickr.com [Source type: FILTERED WITH BAYES]

^ On June 4, 2000, the 220-foot western communications tower had to undergo modifications to increase the signal quality of Chicago's local NBC television station.
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

Post-opening

Willis Tower by night, seen from the Loop.
Sears' optimistic growth projections never came to pass. .Competition from its traditional rivals (like Montgomery Ward) continued, only to be surpassed in strength by other retailing giants like Kmart, Kohl's, and Wal-Mart.^ Other retailing giants offered formidable competition.
  • Illinois Information - Sears Tower Chicago 17 January 2010 0:57 UTC illinoisroads.info [Source type: General]

^ Montgomery Ward headquarters has been made into condos and retail property.
  • Sears Tower -- WalletPop 17 January 2010 0:57 UTC www.walletpop.com [Source type: General]

^ How much contestants really take home in game show winnings (242) Wal-Mart jobs: Ever wonder what it's like to work there?
  • Sears Tower -- WalletPop 17 January 2010 0:57 UTC www.walletpop.com [Source type: General]

.The fortunes of Sears & Roebuck declined in the 1970s as the company lost market share and its management grew ever more cautious.^ In the late 1960s, Sears Roebuck and Company, then the world's largest retailer with $8.9 billion in sales, decided to consolidate its administrative operations in downtown Chicago.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ It was designed by chief architect Bruce Graham and structural engineer Fazlur Khan for the Sears, Roebuck Company, the world's largest retailer at the time.
  • Sears Tower Canvas Prints Painting, Picture, Photo, Panorama, Mural, Art Piece - Canvas Prints 17 January 2010 0:57 UTC www.greatbigcanvas.com [Source type: General]

^ Commissioned by Sears, Roebuck and Company , it was designed by chief architect Bruce Graham and structural engineer Fazlur Khan of Skidmore, Owings and Merrill .
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

[7] .The Sears Tower itself was not the draw Sears hoped it would be.^ Dropping Sears Tower at all would be an achievement in itself.
  • Schneier on Security: Washington Post Comments on Terrorist Plots 17 January 2010 0:57 UTC www.schneier.com [Source type: General]

^ If you are planning a visit to see Sears Tower and would like to view a map of Chicago, IL, please use our RoadsideAmerica Attractions Map .
  • Hotels near Sears Tower - Chicago, Illinois 17 January 2010 0:57 UTC www.roadsideamerica.com [Source type: General]

^ December 17th, 2006, 12:06 AM At least the new design draws one's eyes away from the butt ugly Sears Tower.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

.The tower stood half-vacant for a decade as more office space was erected in Chicago in the 1980s.^ Sears eventually chose to move its headquarters to a more human-scale suburban setting in Hoffman Estates leaving the tower nearly half vacant.
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

^ The Sears Tower in Chicago is well known as one of the tallest office buildings in the world.
  • sears tower and tenant Resources | BNET 17 January 2010 0:57 UTC resources.bnet.com [Source type: General]

^ Reservations Meeting Space Chicago Group Rates Map ~1.09 miles from Sears Tower .
  • Hotels Near Sears Tower, Hotel close to Sears Tower - Franklin Park Oak Grove Village Elmwood Park 17 January 2010 0:57 UTC www.hotelplanner.com [Source type: General]

.The company was eventually obliged to take out a mortgage on its signature building.^ I'm sure that eventually Sears Tower will fall from memory, but it will take time, given the millions of school textbooks with pictures of the building.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ The Sears Tower Skydeck is one of the destinations we take our out of town visitors to see so they can experience the tallest building in the c...
  • Willis Tower Skydeck - Attraction in Chicago, IL - Ratings and Information - TravelMuse 17 January 2010 0:57 UTC www.travelmuse.com [Source type: FILTERED WITH BAYES]

^ He eventually agreed to have his men take photos and video footage of federal buildings in Miami, Arango said.
  • Lawyer Details Sears Tower Terror Plan 17 January 2010 0:57 UTC www.sfgate.com [Source type: News]

[citation needed]
.By 1990, Keck, Mahin & Cate, a law firm, considered moving out of its space in the Sears Tower and moving into a potential new development, which would become 77 West Wacker Drive.^ Sears tower and new buildings.
  • Sears-Tower Paintings and Art at Artist Rising 17 January 2010 0:57 UTC www.artistrising.com [Source type: General]

^ Sears Tower to be renamed for new tenant .
  • Sears Tower to be renamed for new tenant - Chicago Real Estate Daily 17 January 2010 0:57 UTC www.chicagorealestatedaily.com [Source type: General]
  • Sears Tower to be renamed for new tenant - InterNACHI Message Board 17 January 2010 0:57 UTC www.nachi.org [Source type: General]

^ Sears Tower gets new name .
  • Willis Tower - RitchieWiki 17 January 2010 0:57 UTC www.ritchiewiki.com [Source type: FILTERED WITH BAYES]
  • Willis who? Sears Tower gets new name - News- msnbc.com 17 January 2010 0:57 UTC rss.msnbc.msn.com [Source type: News]

.Brokers who were familiar with the lease negotiations stated that Sears was trying to keep Keck, Mahin & Cate in the building.^ Chicagoans are going to keep calling it the Sears Tower, and within 10 or 15 years, someone else will end up owning the building and they'll rename it again.
  • FARK.com: (4514116) Sears Tower now named Willis Tower. Surely there is a joke somewhere in here, if only we knew what they were talking about 17 January 2010 0:57 UTC www.fark.com [Source type: FILTERED WITH BAYES]

^ With 1.2 million square feet of leasable square feet, Minneapolis’ Sears Tower remains the largest building in the city and is second only to the Mall of America as the largest in the state.

^ We were greeted by a nice gentleman who stated to us that the church was in negotiations with the mall owners to purchase the property.
  • Randall Park Mall; North Randall, Ohio | Labelscar: The Retail History Blog 17 January 2010 0:57 UTC www.labelscar.com [Source type: FILTERED WITH BAYES]

.Keck, Mahin & Cate decided to move into 77 West Wacker, and the Prime Group, developer of 77 West Wacker, finalized the development of the facility.^ Renaissance Chicago Downtown in Chicago 1 West Wacker Dr., Chicago, IL 606001 Reservations Chicago Group Rates Map ~0.70 miles from Sears Tower .
  • Hotels Near Sears Tower, Hotel close to Sears Tower - Franklin Park Oak Grove Village Elmwood Park 17 January 2010 0:57 UTC www.hotelplanner.com [Source type: General]

^ The site served as United's headquarters until 2006, when, in exchange for hefty tax breaks and other incentives from the city, the carrier moved its headquarters to 77 W. Wacker Dr."
  • United in talks to move operations to Willis (Sears) Tower, reports say - Today In the Sky - USATODAY.com 17 January 2010 0:57 UTC blogs.usatoday.com [Source type: News]

^ Comments: 32 Willis Group to move into Sears Tower, which will be renamed 10:06 a.m.
  • sears-tower - MarketWatch.com Search 17 January 2010 0:57 UTC www.marketwatch.com [Source type: General]

.During the time that Keck, Mahin & Cate was scheduled to move out of the Sears Tower, Sears planned to move its offices to its merchandise group facilities in Hoffman Estates, Illinois.^ Sears moved out a long time ago."
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

^ Did you ever see Ferris Bueller's Day Off, if so, they where in downtown Chicago and in one part of the movie, they where in the Sears Tower looking out the glass.
  • Sears Tower Will No Longer Be Sears Tower; 'Willis Tower' Instead 17 January 2010 0:57 UTC www.shortnews.com [Source type: General]

^ If you are planning a visit to see Sears Tower and would like to view a map of Chicago, IL, please use our RoadsideAmerica Attractions Map .
  • Hotels near Sears Tower - Chicago, Illinois 17 January 2010 0:57 UTC www.roadsideamerica.com [Source type: General]

[8] Sears began moving its offices out of the Sears Tower in 1992.[citation needed]
.In 1994 Sears sold the building to Boston-based AEW Capital Management with financing from MetLife.^ TOM DEMPSEY (Vice President and General Manager, Sears Tower): I really believe that we're in the most secure building in the world.
  • Sears Tower Gets a Much-Needed New Tenant : NPR 17 January 2010 0:57 UTC www.npr.org [Source type: General]

^ It moved out of the building in the early 1990s and sold it to a group of investors including MetLife.
  • Goodbye Sears Tower Hello Brits - Daily Brief - Portfolio.com 17 January 2010 0:57 UTC www.portfolio.com [Source type: News]

^ Boston’s 1.5-million-square-foot Sears center closed in 1988, leaving the building vacant.

At the time it was one third vacant. .By 1995 Sears had completely vacated the building, moving to a new office campus in Hoffman Estates.^ Sears tower and new buildings.
  • Sears-Tower Paintings and Art at Artist Rising 17 January 2010 0:57 UTC www.artistrising.com [Source type: General]

^ And, the fact that the name stayed with the renowned building after Sears moved to Hoffman Estates is a testament to this.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ Once the world’s tallest building, the Sears Tower was pushed to third tallest when Taiwan's 1,667-foot-tall Taipei 101 was completed in October 2003.
  • Sears Tower – Chicago | Discover America | Famous Attraction in Chicago 17 January 2010 0:57 UTC www.discoveramerica.com [Source type: General]

[citation needed]
.In 1997 Toronto-based TrizecHahn Corp (the owner at the time of the CN Tower) purchased the building for $110 million, and assumption of $4 million in liabilities, and a $734 million mortgage.^ The British-based firm which assumed the naming rights to the building will use just three floors of the 108-story tower.
  • Willis Tower Unveiled | NBC Chicago 16 October 2009 11:47 UTC www.nbcchicago.com [Source type: FILTERED WITH BAYES]

^ Monumentally Hip Hotel Conversion At one time the tallest building west of the Mississippi, the Foshay Tower has stood proudly on the Minneapolis skyline since 1929.
  • Reconstruction Awards | Building Design & Construction 17 January 2010 0:57 UTC www.bdcnetwork.com [Source type: News]

^ Luckily, the owners, who are said to be considering updating the landmark's facade to rekindle interest in the building, cannot possibly have the $50 million necessary for the renovation in this economy.
  • Stupid Idiots Want to Repaint the Sears Tower Silver Because They're Stupid Idiots - Sears Tower - Gizmodo 17 January 2010 0:57 UTC gizmodo.com [Source type: General]

[9][10]
In 2003 Trizec surrendered the building to lender MetLife.[11]
.In 2004 MetLife sold it to a group of investors that includes New York investors Joseph Chetrit, Joseph Moinian, Lloyd Goldman, Joseph Cayre and Jeffrey Feil and Skokie-based American Landmark Properties.^ Jeffrey Barron, a senior vice-president with U.S. Equities Realty LLC, which took over management of Sears Tower on April 1, says in a statement that the Chicago-based firm and the building’s ownership “are taking a responsive and competitive approach to keeping Ernst & Young at Sears Tower many years into the future.” The ownership group of the 3.81-million-square-foot Sears Tower includes New York investors Joseph Chetrit and Joseph Moinian and Skokie-based American Landmark Properties Ltd.
  • Sears Tower's biggest tenant begins mulling options | Crain's Chicago Business 17 January 2010 0:57 UTC www.chicagobusiness.com [Source type: News]

^ A real estate investment group in 2004, American Landmark Properties of Skokie, now owns the 1,450-foot, 110-story skyscraper.
  • Sears Tower a.k.a. Willis Tower - Chicago - by Skidmore, Owings & Merrill [Archive] - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]

^ Santiago Calatrava, whose projects include the World Trade Center Transportation Hub in New York City and Milwaukee Art Museum expansion.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]

[12] The quoted price was $840 million with $825 million held in a mortgage.[13]

Future plans

.In February 2009 the owners announced they are considering a plan to paint the structure silver.^ They're even considering painting it silver.
  • Sears Tower to be renamed for new tenant - InterNACHI Message Board 17 January 2010 0:57 UTC www.nachi.org [Source type: General]

^ Last month, the Chicago Sun-Times reported that its owners are considering painting the black tower silver in order to give it a fresh look and attract more attention.
  • Goodbye Sears Tower Hello Brits - Daily Brief - Portfolio.com 17 January 2010 0:57 UTC www.portfolio.com [Source type: News]

^ Originally Posted by jwicklander They're even considering painting it silver.
  • Sears Tower to be renamed for new tenant - InterNACHI Message Board 17 January 2010 0:57 UTC www.nachi.org [Source type: General]

.The paint would "rebrand" the building and highlight its advances in energy efficiency.^ But how long would it take for the the energy savings to outweigh the costs of the new paint job -- which could cost $50 million or more ?
  • Is Silver The New Black For Sears Tower? - Chicagoist 17 January 2010 0:57 UTC chicagoist.com [Source type: FILTERED WITH BAYES]

^ Could be, since the ownership hopes a new paint job would help the building stand out and bring fresh attention.
  • Is Silver The New Black For Sears Tower? - Chicagoist 17 January 2010 0:57 UTC chicagoist.com [Source type: FILTERED WITH BAYES]

.The estimated cost is $50 million.^ Estimated cost: $550 million.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ Waukesha estimates cost of Lake Michigan water plan at $78 million .
  • Headline of the Day: What you talkin' bout, Willis? - JSOnline 16 October 2009 11:47 UTC www.jsonline.com [Source type: General]
  • Hubbub - JSOnline 16 October 2009 11:47 UTC dev.www.jsonline.com [Source type: General]

[14]
.Since 2007 the building owners have been considering building a hotel adjacent to the building on the north side of Jackson between Wacker and Franklin on the site of a plaza that is the entrance to tower's observation deck.^ Three years ago, when Sears Tower’s ownership group was looking to refinance the building, a representative compared the value of the naming rights to the building and its observation deck to stadium naming-rights deal, citing examples ranging with fees from $5.8 million to $10 million a year.
  • Goodbye Sears Tower – Hello Willis Tower : The Real Estate Bloggers 17 January 2010 0:57 UTC www.therealestatebloggers.com [Source type: General]

^ Under an agreement with Sears Tower's owners, the building will be renamed Willis Tower, according to the global insurance broker.
  • Willis Group to move into Sears Tower, which will be renamed - MarketWatch 17 January 2010 0:57 UTC www.marketwatch.com [Source type: News]

^ Attraction type: Observation deck/tower, Architectural building, Landmark/point of interest, Other http://www.willistower.com/ tdempsey@searstower.com Address: 233 S Wacker Dr (formerly Sears Tower) Chicago, IL 60606-8615 Tel: 312 875 0066 .
  • Willis Tower - Chicago - Reviews of Willis Tower - TripAdvisor 16 October 2009 11:47 UTC chicago-hotels.tripadvisor.com [Source type: FILTERED WITH BAYES]
  • Willis Tower - Chicago - Reviews of Willis Tower - TripAdvisor 17 January 2010 0:57 UTC www.tripadvisor.com [Source type: FILTERED WITH BAYES]

The tower's parking garage is beneath the plaza. .Building owners say the second building was considered in the original design.^ Luckily, the owners, who are said to be considering updating the landmark's facade to rekindle interest in the building, cannot possibly have the $50 million necessary for the renovation in this economy.
  • Stupid Idiots Want to Repaint the Sears Tower Silver Because They're Stupid Idiots - Sears Tower - Gizmodo 17 January 2010 0:57 UTC gizmodo.com [Source type: General]

^ I think its a very original design for a building more unique than anything ive seen for a while.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ The original building designation has been abandoned pursuant to public notice — including a ceremonial proclamation — by Willis Group Holdings Ltd and American Landmark Properties Ltd.
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

.City zoning does not permit construction of such a tall tower there.^ The Sears Tower is in Chicago, a city that while not exceedingly polluted, does have its share of urban grime.
  • Education World ® - Lesson Planning: World's Tallest Buildings! 17 January 2010 0:57 UTC www.educationworld.com [Source type: News]

^ All I was trying to say is that there are still many tall towers that will come online in Chicago, similar to what will happen in NY. I'm curious about zoning in Chicago and their whole public approval process.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ The city has already granted zoning approval for a 124-story residential and hotel tower on this site.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

[15]

Terrorist plot

.In 2006, seven men were arrested by the FBI and charged with plotting to destroy the tower.^ Getty Images When the charges were first brought in South Florida in June 2006 against a group of men accused of plotting to blow up the Sears Tower , the newspaper headlines and TV reports dominated local news for days, despite the relatively flimsy nature of the evidence .
  • Sears Tower Terror Plot Jury Deliberates -- Again | NBC Chicago 17 January 2010 0:57 UTC www.nbcchicago.com [Source type: General]

^ By Lee Glendinning, Sam Knight and agencies Seven men arrested during an FBI raid have been charged with conspiring with al-Qaeda to "levy war against the United States" by planning to blow up the tallest building in America, Chicago’s Sears Tower.
  • 'Al-Qaeda plot to blow up Sears Tower' - Times Online 17 January 2010 0:57 UTC www.timesonline.co.uk [Source type: News]

^ Seven Charged in al-Qaida Plot to Blow up the Sears Tower .
  • Online NewsHour: Analysis | Seven Charged in Terrorism Plot | June 23, 2006 | PBS 17 January 2010 0:57 UTC www.pbs.org [Source type: Original source]

.Deputy FBI Director John Pistole has described their plot as more "aspirational than operational."^ More aspirational than operational .
  • Online NewsHour: Analysis | Seven Charged in Terrorism Plot | June 23, 2006 | PBS 17 January 2010 0:57 UTC www.pbs.org [Source type: Original source]

^ Prosecutors said no attack was imminent, acknowledging that the alleged terror cell was "more aspirational than operational."
  • Sears Tower Bomb Plot Case Falls Apart - AOL News 17 January 2010 0:57 UTC news.aol.com [Source type: News]

^ RAY SUAREZ: One FBI agent reached today told a reporter that this group was more aspirational than operational.
  • Online NewsHour: Analysis | Seven Charged in Terrorism Plot | June 23, 2006 | PBS 17 January 2010 0:57 UTC www.pbs.org [Source type: Original source]

[16] .The case originally went to court in October of 2007;[17] after three trials, five of the suspects were convicted and two were acquitted.^ At the first trial, which ended in December 2007, a seventh defendant, Lyglenson Lemorin, was acquitted, and the jury was unable to come to a unanimous decision about the remaining six.
  • Six Suspects Will Be Tried a Third Time in Sears Tower Terror Plot : Homeland Security News 17 January 2010 0:57 UTC www.nationalterroralert.com [Source type: News]

^ Five Star Hotels in Chicago Four Star Hotels in Chicago Three Star Hotels in Chicago Two Star Hotels in Chicago One Star Hotels in Chicago Hotel amenities .
  • Chicago Hotels near Sears Tower. Find & compare Hotels near Sears Tower. Book & Save - Hotels.com 17 January 2010 0:57 UTC www.hotels.com [Source type: General]

[18] The alleged leader of the group, Narseal Batiste, was sentenced to 13½ years in prison in November 2009.[19]

The Skydeck

Three glass bottom skyboxes (top right) on the east facade of the Willis Tower at the 103rd floor , seen from street level.
.Skydeck Chicago at Willis Tower opened as The Sears Tower Skydeck observation deck on June 22, 1974. It is located on the 103rd floor of the tower.^ Willis Tower-Sears Tower Chicago IL. ” fandango1255 1 contribution Ar.
  • Willis Tower - Chicago - Reviews of Willis Tower - TripAdvisor 16 October 2009 11:47 UTC chicago-hotels.tripadvisor.com [Source type: FILTERED WITH BAYES]
  • Willis Tower - Chicago - Reviews of Willis Tower - TripAdvisor 17 January 2010 0:57 UTC www.tripadvisor.com [Source type: FILTERED WITH BAYES]

^ Willis we always call it the Sears Tower?
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ Sears Tower l CHICAGO l 442m l 108fl .
  • #004 l Sears Tower l CHICAGO l 442m l 108fl - Page 11 - SkyscraperCity 17 January 2010 0:57 UTC www.skyscrapercity.com [Source type: FILTERED WITH BAYES]

.It is 1,353 feet (412 m) above ground and is one of the most famous tourist attractions in Chicago.^ From the 103rd-floor, at 1,353 feet, the Skydeck is the highest observatory in Chicago.
  • Sears Tower – Chicago | Discover America | Famous Attraction in Chicago 17 January 2010 0:57 UTC www.discoveramerica.com [Source type: General]

^ You'll find plenty of famous Chicago attractions just moments away from the Courtyard by Marriott Magnificent Mile Downtown Chicago .
  • Hotels Near Sears Tower, Hotel close to Sears Tower - Franklin Park Oak Grove Village Elmwood Park 17 January 2010 0:57 UTC www.hotelplanner.com [Source type: General]

^ With a locale near Chicago dining, shops, museums and art galleries, this hotel provides a great base to explore exciting Chicago tourist attractions.
  • Hotels Near Sears Tower, Hotel close to Sears Tower - Franklin Park Oak Grove Village Elmwood Park 17 January 2010 0:57 UTC www.hotelplanner.com [Source type: General]

.Tourists can experience how the building sways on a windy day.^ How many days did it take for you to build it?
  • Sears Tower: A LEGO® creation by Spencer R. : MOCpages.com 17 January 2010 0:57 UTC mocpages.com [Source type: FILTERED WITH BAYES]

^ The entire building sways the higher up you go, anyway, especially on a windy day (you can even feel the movement while seated in the john).
  • A glass-bottom Skydeck for Sears Tower - Chicago Breaking News 17 January 2010 0:57 UTC www.chicagobreakingnews.com [Source type: FILTERED WITH BAYES]

^ But regardless, the abandoned building is clearly “on the grounds of Randall Park Mall” which is how my old 1988 Day Inn directory described it.
  • Randall Park Mall; North Randall, Ohio | Labelscar: The Retail History Blog 17 January 2010 0:57 UTC www.labelscar.com [Source type: FILTERED WITH BAYES]

.They can see far over the plains of Illinois and across Lake Michigan to Indiana, Michigan and Wisconsin on a clear day.^ Reportedly on a clear day, you can see four states - Illinois, Indiana, Wisconsin and Michigan.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ Did you ever see Ferris Bueller's Day Off, if so, they where in downtown Chicago and in one part of the movie, they where in the Sears Tower looking out the glass.
  • Sears Tower Will No Longer Be Sears Tower; 'Willis Tower' Instead 17 January 2010 0:57 UTC www.shortnews.com [Source type: General]

^ We still have the concept of private property in this country (so far, but then Obama's only been around for a hundred days or so), which means the owners of the property can call it whatever the hell they want!
  • Sears Tower is now Willis Tower - Straight Dope Message Board 17 January 2010 0:57 UTC boards.straightdope.com [Source type: FILTERED WITH BAYES]

It takes about 60 seconds to soar to the top in either of two special, Schindler Group elevators. .The Skydeck competes with the John Hancock Center's observation floor a mile and a half away, which is 323 feet (98 m) lower.^ Chicago's own John Hancock Center.
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

^ Observation decks on the 99th and 103rd floors continue to be a toursist draw in Chicago, but it was too far off my beaten path on this trip as I settled for the view from the more centrally located John Hancock Center.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ These are louvers which allow ventilation for service equipment and obscure the structure's belt trusses which Sears Roebuck did not want to be visible as on the John Hancock Center .
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

.1.3 million tourists visit the Skydeck annually.^ More than 1.5 million people visit the Skydeck.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ Annually 1.3 million people visit the observation deck alone, making The Big Store the 7th most popular tourist destination in Chicago (Source: Chicago Tribune, Sept 14, 2006).
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

.In January 2009, the Skydeck began a major renovation including the installation of glass balconies extending approximately four feet over Wacker Drive from the 103rd floor.^ The Skydeck occupies the 103rd floor.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ On 2 July 2009, a viewing ledge built of three 1.3-centimeter thick glass layers, and suspended from the 103rd floor, opened to the public.
  • Willis Tower, Chicago, U.S.A. | Emporis.com 17 January 2010 0:57 UTC www.emporis.com [Source type: FILTERED WITH BAYES]

^ From 1,353 feet above the street -- thats 103 stories up -- The Ledge jets out 4.3 feet over Wacker Drive.
  • Sears Tower Ledge: "It Was Like Jesus" | NBC Chicago 17 January 2010 0:57 UTC www.nbcchicago.com [Source type: FILTERED WITH BAYES]

.The all-glass boxes allow visitors to look through the floor to the street 1,353 feet (412 m) below.^ For tourists, glass-bottomed enclosed balconies on the 103rd Skydeck were opened earlier this month, giving visitors a 1,353-foot look straight down.
  • Willis Tower Becomes Official: Sears Tower Renamed 16 October 2009 11:47 UTC www.huffingtonpost.com [Source type: General]
  • Sears Tower a.k.a. Willis Tower - Chicago - by Skidmore, Owings & Merrill [Archive] - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]

^ Each floor of the stainless steel and glass tower would rotate slightly from the floor below it, allowing the skyscraper to make a full 360-degree turn from the ground to its summit.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ Sears Tower to open glass bottom box at 1300 feet .
  • Sears Tower to open glass bottom box at 1300 feet | Gadling.com 17 January 2010 0:57 UTC www.gadling.com [Source type: FILTERED WITH BAYES]

The boxes, which can bear five short tons of weight (about 4.5 metric tons), opened to the public on July 2, 2009.[20]
.A second Skydeck on the 99th floor is used when the 103rd floor is closed.^ The Skydeck occupies the 103rd floor.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ The balconies are suspended 1,353 feet (412 meters) in the air and jut out 4 feet (1.22 meters) from the building's 103rd floor Skydeck.
  • Sears Tower Unveils 103rd Floor Glass Balconies - MSN Travel Articles 17 January 2010 0:57 UTC guides.travel.msn.com [Source type: General]

^ Full description Full description Open photo page As the description says, the Chicago skyline from the Willis Tower's famous 103rd floor SkyDeck.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

.The tourist entrance can be found on the south side of the building along Jackson Boulevard.^ It has its own entrance on Jackson Boulevard, and attracts approximately 1.5 million visitors per year.
  • Willis Tower, Chicago, U.S.A. | Emporis.com 17 January 2010 0:57 UTC www.emporis.com [Source type: FILTERED WITH BAYES]

.In August 1999 French urban climber Alain "Spiderman" Robert, using only his bare hands and feet, scaled the building's exterior glass and steel wall all the way to the top.^ With 1.2 million square feet of leasable square feet, Minneapolis’ Sears Tower remains the largest building in the city and is second only to the Mall of America as the largest in the state.

^ I guess people in this city like all their buildings to have four walls that go straight up.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ The renderings released Thursday by developer Christopher Carley offer little hint of what the tower's stainless steel-and-glass exterior walls will look like.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

.A thick fog settled in near the end of his climb, making the last 20 floors of the building's glass and steel slippery.^ On 2 July 2009, a viewing ledge built of three 1.3-centimeter thick glass layers, and suspended from the 103rd floor, opened to the public.
  • Willis Tower, Chicago, U.S.A. | Emporis.com 17 January 2010 0:57 UTC www.emporis.com [Source type: FILTERED WITH BAYES]

^ The 124-story glass-and-steel, spiraling building would rise on 2.2 acres at Lake Shore Drive and East North Water Street, as well as near the confluence of Lake Michigan and the Chicago River.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ Each floor of the stainless steel and glass tower would rotate slightly from the floor below it, allowing the skyscraper to make a full 360-degree turn from the ground to its summit.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

[21]
The building's official address is 233 South Wacker Drive, Chicago, Illinois 60606.

Height

Burj Khalifa, Dubai
CN Tower, Toronto
• Willis Tower, Chicago
.Willis Tower remains the tallest building in the Americas.^ THIS building will always remain "Willis Tower".
  • FARK.com: (4514116) Sears Tower now named Willis Tower. Surely there is a joke somewhere in here, if only we knew what they were talking about 17 January 2010 0:57 UTC www.fark.com [Source type: FILTERED WITH BAYES]
  • FARK.com: (4514116) Sears Tower now named Willis Tower. Surely there is a joke somewhere in here, if only we knew what they were talking about 17 January 2010 0:57 UTC www.fark.com [Source type: FILTERED WITH BAYES]

^ This is the tallest building in North America.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ Willis Tower (Formerly Sears Tower): The third tallest building in world!
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

.With a pinnacle height of 1730 feet (527 m), it is the second tallest freestanding structure in the Americas, as it is 86 feet (26 m) shorter than Toronto's CN Tower, and is the only other freestanding structure in the Americas to exceed 1500 feet (450 m) in height.^ The Sears Tower is also one of only five freestanding structures in the ...
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ And the CN Tower is no longer the worlds tallest freestanding structure.
  • You Have Got To Be Kidding Me: Sears Tower Unveils Glass Balconies on 103rd Floor - Geekologie 17 January 2010 0:57 UTC www.geekologie.com [Source type: FILTERED WITH BAYES]

^ The Sears Tower is the second-tallest free-standing structure in the Americas , surpassed only by the CN Tower in Toronto, Canada , and the fourth-tallest in the World.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

.As of August 2009, Willis Tower is the fifth tallest freestanding structure in the world (by pinnacle height), after the Burj Khalifa, the Guangzhou TV & Sightseeing Tower, the CN Tower and the Ostankino Tower.^ And the CN Tower is no longer the worlds tallest freestanding structure.
  • You Have Got To Be Kidding Me: Sears Tower Unveils Glass Balconies on 103rd Floor - Geekologie 17 January 2010 0:57 UTC www.geekologie.com [Source type: FILTERED WITH BAYES]

^ For towers, see World's Tallest Towers.
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

^ Currently the world's tallest residential tower .
  • You Have Got To Be Kidding Me: Sears Tower Unveils Glass Balconies on 103rd Floor - Geekologie 17 January 2010 0:57 UTC www.geekologie.com [Source type: FILTERED WITH BAYES]

.At 1,482.6 feet (451.9 m) tall, including decorative spires, the Petronas Twin Towers in Kuala Lumpur, Malaysia, laid claim to replacing the Sears Tower as the tallest building in the world in 1998. Not everyone agreed, and in the ensuing controversy four different categories of "tallest building" were created.^ World's Tallest Buildings — Infoplease.com .
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

^ Sears tower and new buildings.
  • Sears-Tower Paintings and Art at Artist Rising 17 January 2010 0:57 UTC www.artistrising.com [Source type: General]

^ For towers, see World's Tallest Towers.
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

.Of these, Petronas was the tallest in one category (height to top of architectural elements, meaning spires but not antennas).^ Height to the top of antenna.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ These categories are: 1-Height to the structural or architectural top.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ May 2007 By Ann Longmore-Etheridge Chicago’s Sears Tower, at a height of 1,454 feet to its architectural top, is the tallest building in the United States and a leading symbol of U.S. commerce.
  • Sears Tower’s Well-Grounded Security | Security Management 17 January 2010 0:57 UTC www.securitymanagement.com [Source type: News]

.Taipei 101 in Taiwan claimed the record in three of the four categories in 2004 to become generally recognized as the tallest building in the world.^ Taipei 101 , Taipei, Taiwan .
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

^ World's Tallest Buildings — Infoplease.com .
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

^ It was once the world's tallest building and is known for that.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

.Taipei 101 surpassed the Petronas Twin Towers in spire height and the Sears Tower in roof height; it also claimed the record for highest occupied floor.^ Height to the highest occupied floor.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ Then the skyscraper got an ego blow when the Petronas Towers in Kuala Lumpur, Malaysia, went up and laid claim to the title of world's tallest building.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]
  • Sears Tower Skydeck - Reviews and Ratings of Sights in Chicago - New York Times Travel 17 January 2010 0:57 UTC travel.nytimes.com [Source type: FILTERED WITH BAYES]

^ It is only surpassed in height by the Petronis Towers in Kuala Lumpur, Malaysia, and by Taiwan’s Taipei 101 (though the Burj Dubai will soon be added to that list).
  • Sears Tower’s Well-Grounded Security | Security Management 17 January 2010 0:57 UTC www.securitymanagement.com [Source type: News]

.The Sears Tower retained one record: its antenna exceeded the Taipei 101's spire in height.^ The Sears tower has one at 1,353 ft.
  • You Have Got To Be Kidding Me: Sears Tower Unveils Glass Balconies on 103rd Floor - Geekologie 17 January 2010 0:57 UTC www.geekologie.com [Source type: FILTERED WITH BAYES]

^ Did you ever see Ferris Bueller's Day Off, if so, they where in downtown Chicago and in one part of the movie, they where in the Sears Tower looking out the glass.
  • Sears Tower Will No Longer Be Sears Tower; 'Willis Tower' Instead 17 January 2010 0:57 UTC www.shortnews.com [Source type: General]

^ The Sears Tower is also one of only five freestanding structures in the world to exceed 500 metres (1,640 ft) in height.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

.In 2008, the Shanghai World Financial Center claimed the records of tallest building by roof and highest occupied floor.^ World's Tallest Buildings — Infoplease.com .
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

^ Dubai is thee tallest BUILDING in the world.
  • You Have Got To Be Kidding Me: Sears Tower Unveils Glass Balconies on 103rd Floor - Geekologie 17 January 2010 0:57 UTC www.geekologie.com [Source type: FILTERED WITH BAYES]

^ It is one of the worlds tallest buildings.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

.On August 12, 2007, the Burj Khalifa in Dubai, United Arab Emirates was reported by its developers to have surpassed the Sears Tower in all height categories.^ Burj al Arab Hotel, Dubai .
  • World's Tallest Buildings — Infoplease.com 17 January 2010 0:57 UTC www.infoplease.com [Source type: News]

^ August 18th, 2007 at 12:00 am .
  • Randall Park Mall; North Randall, Ohio | Labelscar: The Retail History Blog 17 January 2010 0:57 UTC www.labelscar.com [Source type: FILTERED WITH BAYES]

^ May 2007 By Ann Longmore-Etheridge Chicago’s Sears Tower, at a height of 1,454 feet to its architectural top, is the tallest building in the United States and a leading symbol of U.S. commerce.
  • Sears Tower’s Well-Grounded Security | Security Management 17 January 2010 0:57 UTC www.securitymanagement.com [Source type: News]

[22]
.When completed, 1 World Trade Center in New York City is expected to surpass Willis Tower through its structural and pinnacle heights, but not by roof or highest occupied floor.^ The Freedom Tower is expected to be completed in 2010.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Page 3 - Wired New York Forum 17 January 2010 0:57 UTC host.wirednewyork.com [Source type: General]

^ Height to the highest occupied floor.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ After insurance broker Willis Group Holdings takes over multiple floors of the building, it will be referred to as 'Willis Tower.'
  • Sears Tower Will No Longer Be Sears Tower; 'Willis Tower' Instead 17 January 2010 0:57 UTC www.shortnews.com [Source type: General]

[23] .Burj Khalifa currently holds (by a significant margin) all height records, surpassing the Sears Tower, the CN Tower, 1 World Trade Center, Taipei 101 and Shanghai World Financial Center in every category.^ Sears Tower is also a destination for millions of tourists from all around the world.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ Taipei 101 in Taiwan is currently considered the worlds tallest building.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ Sears Tower to the correctional center: .
  • Schneier on Security: Washington Post Comments on Terrorist Plots 17 January 2010 0:57 UTC www.schneier.com [Source type: General]

.The Chicago Spire, which has a planned height of 610 m (2,000 ft) is expected to lay claim to all categories of height records in the Americas upon completion, but its construction is currently on hold due to financial difficulties.^ The Chicago Spire was expected to exceed the height of the Sears Tower in 2012 but its construction has currently been halted due to financial difficulties and it is unclear when it will resume.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ Carley said he was preparing for a tough fight in Chicago to get his tower approved but did not expect its height to be a chief concern - even though he currently has approval only to build two structures of 300 feet and 500 feet.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ The footprint for Sears is roughly 50,625 sq feet The footprint for Chicago Spire is roughly 25,000 - 27,000 sq feet.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

[24]
.Until 2000, the Sears Tower did not hold the record for the tallest building by pinnacle height.^ Sears tower and new buildings.
  • Sears-Tower Paintings and Art at Artist Rising 17 January 2010 0:57 UTC www.artistrising.com [Source type: General]

^ The Sears Tower is the tallest building in Chicago, and it has a great view.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ "The Sears Tower is the tallest building in Chicago, and it has a great view."
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

.From 1969 to 1978, this record was held by the John Hancock Center, whose antenna reached a height of 1,500 ft (457.2 m), or 49 ft (14.8 m) taller than the Sears Tower's original height of 1,451 ft (442 m).^ Chicago's own John Hancock Center.
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

^ The Sears tower has one at 1,353 ft.
  • You Have Got To Be Kidding Me: Sears Tower Unveils Glass Balconies on 103rd Floor - Geekologie 17 January 2010 0:57 UTC www.geekologie.com [Source type: FILTERED WITH BAYES]

^ Sears Tower to the correctional center: .
  • Schneier on Security: Washington Post Comments on Terrorist Plots 17 January 2010 0:57 UTC www.schneier.com [Source type: General]

.In 1978, One World Trade Center became taller by pinnacle height due to the addition of a 359 ft (109.3 m) antenna, which brought its total height to 1,727 ft (526.8 m).^ In February 1982, two television antennas were added to the structure, increasing its total height to 1707 ft.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ The Sears Tower is also one of only five freestanding structures in the world to exceed 500 metres (1,640 ft) in height.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ A parking garage will not be located at the base of the building, as originally planned, to prevent a vehicle-delivered bomb from harming the tower, as one did at the World Trade Center in 1993.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

.In 1982, two antennas were installed on top of the Sears Tower which brought its total height to 1,707 ft (520.3 m), making it taller than the John Hancock Center but not One World Trade Center.^ In February 1982, two television antennas were added to the structure, increasing its total height to 1707 ft.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ Height to the top of antenna.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ Chicago's own John Hancock Center.
  • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

.However, the extension of the Sears Tower's western antenna in June 2000 to 1,730 feet (527 m) allowed it to just barely claim the title of tallest building by pinnacle height.^ The Sears Tower is the tallest building in Chicago, and it has a great view.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ The Sears Tower, at 1,729 feet, is now the tallest when antennas are included.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ "The Sears Tower is the tallest building in Chicago, and it has a great view."
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

Naming rights

West facade and entrance.
.Although Sears sold the Tower in 1994 and had completely vacated it by 1995, Sears retained the naming rights to the building through 2003. The new owners were rebuffed in renaming deals with CDW Corp in 2005 and the U.S. Olympic Committee in 2008. London-based insurance broker Willis Group Holdings, Ltd.^ Re: Sears Tower to be renamed for new tenant .
  • Sears Tower to be renamed for new tenant - InterNACHI Message Board 17 January 2010 0:57 UTC www.nachi.org [Source type: General]

^ Willis we always call it the Sears Tower?
  • Willis Tower Becomes Official: Sears Tower Renamed 16 October 2009 11:47 UTC www.huffingtonpost.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ In March, the London-based insurance broker Willis Group Holdings Ltd.
  • WBBM 780 - Chicago's #1 source for local news, traffic and weather - New Sears Tower sky ledges open 17 January 2010 0:57 UTC www.wbbm780.com [Source type: News]

leased more than .140,000 square feet of space on three floors in 2009. A Willis spokesman said the naming rights were obtained as part of the negotiations at no cost to Willis.^ The London-based insurance services company secured the naming rights as part an agreement to lease 140,000 square feet of space in the tower.
  • Sears Tower a.k.a. Willis Tower - Chicago - by Skidmore, Owings & Merrill [Archive] - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]

^ News that the Sears Tower will be renamed the Willis Tower when global insurance broker Willis Group Holdings moves into 140,000 square feet in the Chicago landmark building has already set off the familiar "We'll never change!"
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ Willis Group Holdings Ltd., a London-based insurance broker, is considering leasing as much as 125,000 square feet of space in the Sears Tower as it moves to consolidate its Chicago-area offices in one location, according to several people familiar with the matter.
  • The Willis Tower? In Chicago, It's a Possibility - WSJ.com 16 October 2009 11:47 UTC online.wsj.com [Source type: News]

[25][26][27] The building was renamed Willis Tower on July 16, 2009.[28] The naming rights are valid for 15 years so it is possible that the building’s name could change again in 2024.[29] The Chicago Tribune joked that the building’s new name reminds them of the oft-repeated "What you talkin' 'bout, Willis?" catchphrase from the 1980s American television sitcom Diff'rent Strokes.[28] .According to a July 16, 2009 CNN article, some Chicago area residents were reluctant to accept the Willis Tower name,[30] and Time magazine called the name change one of the top 10 worst corporate name changes and pointed to negative press coverage by local news outlets and online petitions from angry residents.^ I look forward to calling it Willis Tower.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ Max - July 3, 2009 10:31 AM .
  • You Have Got To Be Kidding Me: Sears Tower Unveils Glass Balconies on 103rd Floor - Geekologie 17 January 2010 0:57 UTC www.geekologie.com [Source type: FILTERED WITH BAYES]

^ I'm calling it the Wesley Willis tower.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

[31]

Cultural depictions

Willis Tower as viewed from Chinatown

Film and television

.The building has appeared in numerous films and television shows set in Chicago such as Ferris Bueller's Day Off, where Ferris and company watch the streets of Chicago from the observation deck.^ Observation decks on the 99th and 103rd floors continue to be a toursist draw in Chicago, but it was too far off my beaten path on this trip as I settled for the view from the more centrally located John Hancock Center.
  • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

^ When they do, the new parent company will downsize the Chicago operation, renegotiate the lease, and the building owners will sell the rights to another firm.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ Yet the design wisely forgoes the nostalgia of postmodern, Chrysler Building wannabes such as Chicago's Two Prudential Plaza.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

[32] .The television show Late Night with Conan O'Brien introduced a character called The Sears Tower Dressed In Sears Clothing when the show visited Chicago in 2006.[33] The building is also featured in History Channel's Life After People, in which it and other human-made land marks suffer from neglect without humans around, and it collapses two hundred years after people are gone.^ None of those other buildings that were renamed have impacted Chicago the way Sears Tower has.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ I'm still calling it sears tower.
  • Sears Tower Will No Longer Be Sears Tower; 'Willis Tower' Instead 17 January 2010 0:57 UTC www.shortnews.com [Source type: General]

^ Willis we always call it the Sears Tower?
  • Willis Tower Becomes Official: Sears Tower Renamed 16 October 2009 11:47 UTC www.huffingtonpost.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

[34] .In an episode of the television series, Monk, Adrian Monk tries to conquer his fear of heights by imagining that he is on top of the Sears Tower.^ The Sears Tower is also one of only five freestanding structures in the world to exceed 500 metres (1,640 ft) in height.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ The threat may be delusional, but they should unmount the antennas on top of the Sears tower, just in case, as they could be used as spears by the Moorish army.
  • Schneier on Security: Washington Post Comments on Terrorist Plots 17 January 2010 0:57 UTC www.schneier.com [Source type: General]

^ You seriously need to learn your history about the Sears Company and why they decided upon this Tower.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

.Also, in an episode of Kenan and Kel, Kenan Rockmore and Kel Kimble decide to climb to the top of the Sears Tower, so that Kenan can declare his love for a girl.^ The threat may be delusional, but they should unmount the antennas on top of the Sears tower, just in case, as they could be used as spears by the Moorish army.
  • Schneier on Security: Washington Post Comments on Terrorist Plots 17 January 2010 0:57 UTC www.schneier.com [Source type: General]

^ The Sears was also the tallest building in the world for 24 years until it was topped by the two Petronas Towers in Kuala Lumpur, Malaysia, in 1998.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ The Fordham Spire will be 2,000 feet tall, topping Chicago's Sears Tower and the planned Freedom Tower in New York as the tallest building in North America.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

.On May 25, 1981, Dan Goodwin, wearing a homemade Spider-Man suit while using suction cups, camming devices, and sky hooks, and despite several attempts by the Chicago Fire Department to stop him, made the first successful outside ascent of Sears Tower.^ The Sears Tower has an amazing view of Chicago.
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ "The Sears Tower has an amazing view of Chicago."
  • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

^ May 2007 By Ann Longmore-Etheridge Chicago’s Sears Tower, at a height of 1,454 feet to its architectural top, is the tallest building in the United States and a leading symbol of U.S. commerce.
  • Sears Tower’s Well-Grounded Security | Security Management 17 January 2010 0:57 UTC www.securitymanagement.com [Source type: News]

Goodwin was arrested at the top after the seven hour climb and charged with trespassing. .Goodwin stated the reason he made the climb was to call attention to shortcomings in high-rise rescue and firefighting techniques.^ This tower is another reason why calatrava is one of, probably my most favourite architects its quite different for a high rise i think anyway.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Page 3 - Wired New York Forum 17 January 2010 0:57 UTC host.wirednewyork.com [Source type: General]

After a lengthy interrogation by Chicago's District Attorney and Fire Commissioner, Goodwin was released.[35][36][37][38]
In the movie Category 6: Day of Destruction, the tower is destroyed by a tornado.

Position in Chicago's skyline

311 South Wacker Willis Tower Chicago Board of Trade Building 111 South Wacker AT&T Corporate Center Kluczynski Federal Building CNA Center Chase Tower Three First National Plaza Mid-Continental Plaza Richard J. Daley Center Chicago Title and Trust Center 77 West Wacker Pittsfield Building Leo Burnett Building The Heritage at Millennium Park Smurfit-Stone Building IBM Plaza One Prudential Plaza Two Prudential Plaza Aon Center Blue Cross and Blue Shield Tower 340 on the Park Park Tower Olympia Centre 900 North Michigan John Hancock Center Water Tower Place Harbor Point The Parkshore North Pier Apartments Lake Point Tower Jay Pritzker Pavilion Buckingham Fountain Lake Michigan Lake Michigan Lake Michigan The skyline of a city with many large skyscrapers; in the foreground are a green park and a lake with many sailboats moored on it. Over 30 of the skyscrapers and some park features are labeled.

Figures and statistics

.
Willis Tower viewed from the Chicago River
  • The top of Willis Tower is the highest point in Illinois.^ The Sears Tower has an amazing view of Chicago.
    • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

    ^ "The Sears Tower has an amazing view of Chicago."
    • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

    ^ Full description Full description Open photo page As the description says, the Chicago skyline from the Willis Tower's famous 103rd floor SkyDeck.
    • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

    .The tip of its highest antenna is 1,730 feet (527.3 m) above street level or 2,325 feet (708 m) above sea level, its roof is 1,450 feet and 7 inches (442.1 m) above street level or 2,046 feet (623 m) above sea level, the 103rd floor observation deck (The Sky deck) is 1,353 feet (412 m) above street level or 1,948 feet (593 m) above sea level, the Wacker Drive main entrance is 595 feet (181 m) above sea level.^ Wacker Drive entrance .
    • Sears Tower: A LEGO® creation by Spencer R. : MOCpages.com 17 January 2010 0:57 UTC mocpages.com [Source type: FILTERED WITH BAYES]

    ^ Observation decks on the 99th and 103rd floors continue to be a toursist draw in Chicago, but it was too far off my beaten path on this trip as I settled for the view from the more centrally located John Hancock Center.
    • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

    ^ Sears Tower does, however, at 412 m (1,353 ft) up, have the highest observation deck of any other skyscraper, and it remains the tallest skyscraper in the Americas, and the tallest building in the US. All those titles are the main reason for visiting Sears Tower.
    • Willis Tower (Formerly Sears Tower)- Chicago, IL - VirtualTourist.com 16 October 2009 11:47 UTC www.virtualtourist.com [Source type: General]

    (The highest natural point in Illinois is the Charles Mound, at 1,235 feet (376 m) above sea level.)
  • .
  • The building leans about 4 inches (10 cm) towards the west due to its slightly asymmetrical design, placing unequal loads on its foundation.
  • The design for Willis Tower incorporates nine steel-unit square tubes in a 3 tube by 3 tube arrangement, with each tube having the footprint of 75 x 75 feet (22 x 22 m).^ THIS building will always remain "Willis Tower".
    • FARK.com: (4514116) Sears Tower now named Willis Tower. Surely there is a joke somewhere in here, if only we knew what they were talking about 17 January 2010 0:57 UTC www.fark.com [Source type: FILTERED WITH BAYES]

    ^ News that the Sears Tower will be renamed the Willis Tower when global insurance broker Willis Group Holdings moves into 140,000 square feet in the Chicago landmark building has already set off the familiar "We'll never change!"
    • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

    ^ Skidmore, Owings and Merrill, the architecture firm that designed the tower, also designed The Ledge, whose four 1-1/2-inch-thick glass boxes are being placed on the building's west side, according to the fact sheet.
    • A glass-bottom Skydeck for Sears Tower - Chicago Breaking News 17 January 2010 0:57 UTC www.chicagobreakingnews.com [Source type: FILTERED WITH BAYES]

    .Willis Tower was the first building for which this design was used.^ THIS building will always remain "Willis Tower".
    • FARK.com: (4514116) Sears Tower now named Willis Tower. Surely there is a joke somewhere in here, if only we knew what they were talking about 17 January 2010 0:57 UTC www.fark.com [Source type: FILTERED WITH BAYES]
    • FARK.com: (4514116) Sears Tower now named Willis Tower. Surely there is a joke somewhere in here, if only we knew what they were talking about 17 January 2010 0:57 UTC www.fark.com [Source type: FILTERED WITH BAYES]

    ^ After all Willis Holdings is headquartered in England, so their principal point in renaming the building is to use it as our nation's tallest billboard for their foreign-based company.
    • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
    • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

    ^ The building's name will change to Willis Tower later this summer.
    • Sears Tower Unveils 103rd Floor Glass Balconies - MSN Travel Articles 17 January 2010 0:57 UTC guides.travel.msn.com [Source type: General]

    .The design allows future growth of extra height to the tower if wanted or needed.^ The Freedom Tower, if built to its current designed height, would be 1,362 feet to its roof, and 1,776 feet to the top of its antenna.
    • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]
    • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

    [39]
  • .
  • The restrooms on the 103rd floor 1,353 feet (412 meters) above street level are the highest in the western hemisphere.^ Comments Not content with the regular views from its 103rd-floor Skydeck , the Sears Tower - which will soon be renamed the Willis Tower - is adding four enclosed glass-floored balconies where visitors can look straight down past their toes to the street 412 meters below.
    • Sears Tower || Jaunted 17 January 2010 0:57 UTC www.jaunted.com [Source type: General]

    ^ The Ledge is a 4-foot glass balcony that's suspended 1,353 feet above the ground on the 103rd floor.
    • You Have Got To Be Kidding Me: Sears Tower Unveils Glass Balconies on 103rd Floor - Geekologie 17 January 2010 0:57 UTC www.geekologie.com [Source type: FILTERED WITH BAYES]

    [citation needed]

Broadcasting

.Many broadcast station transmitters are located at the top of Willis Tower.^ Carley's versions were topped by a broadcast tower that also served as a spire, but Kelleher eliminated it, along with a hotel that Carley wanted to place on the tower's lower floors.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ Carley had proposed a stack of hotel rooms and condominiums topped by a 400-foot broadcast tower.
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

^ To me, it will ALWAYS be the Sears Tower because Willis Tower just sounds LAME and has too many syllables.
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

Each list is ranked by height from the top down. Stations at the same height on the same mast indicate the use of a diplexer into the same shared antenna. Due to its extreme height, FM stations (all class B) are very limited in power output.

Radio stations

East mast
  • 482 m:
    • WLIT FM 93.9 MHz main, 4.0 kW, AMFM
    • WNUA FM 95.5 backup, 3.1 kW, AMFM
    • WCFS FM 105.9, 4.1 kW, CBS Radio
  • 480 m: WJMK FM 104.3 main, 4.1 kW, CBS Radio
  • 476 m: WTMX FM 101.9 main, 4.2 kW, Bonneville
  • 474 m: WBBM FM 96.3 main, 4.2 kW, CBS Radio
  • 472 m:
    • WKSC FM 103.5 main, 4.3 kW, AMFM
    • WGCI FM 107.5 main, 3.7 kW, AMFM
  • 470 m: WFMT FM 98.7, 6.0 kW
  • 468 m: WLS FM 94.7 main, 4.4 kW
  • FCC query
West mast
.Also WB(Weather band)/WX (aka NOAA Weather Radio) transmit off the top of the Willis Tower on frequency 162.550 MHz (Channel 7) known as KWO39.^ It will never be known as the Willis Tower.
  • FARK.com: (4514116) Sears Tower now named Willis Tower. Surely there is a joke somewhere in here, if only we knew what they were talking about 17 January 2010 0:57 UTC www.fark.com [Source type: FILTERED WITH BAYES]

^ I would expect by the next generation, it will be more generally known as "Willis Tower."
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
  • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

^ "It is an icon, but I believe over time it will become known as Willis Tower and a name that we'll be proud of."
  • Sears Tower a.k.a. Willis Tower - Chicago - by Skidmore, Owings & Merrill [Archive] - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]

Also equipped with SAME (Specific Area Message Encoding) for text alerts and hazardous weather alarm on weather radios. .For weather radio station listing, please visit http://www.nws.noaa.gov/nwr/ for more information.^ If you have any questions or need more information, please email me.
  • Randall Park Mall; North Randall, Ohio | Labelscar: The Retail History Blog 17 January 2010 0:57 UTC www.labelscar.com [Source type: FILTERED WITH BAYES]

^ For more information about The Chicago Spire and Shelbourne Development Group, Inc., see http://www.shelbournedevelopment.com/ (http://www.shelbournedevelopment.com/).
  • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

TV stations

East mast
.
  • 515 m:
    • WLS-TV 7 analog, 55 kW, WLS TV (Analog Broadcast discontinued as of June 12, 2009. Now broadcasting only in digital.^ Thursday, March 12, 2009 at 02:55 PM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      ^ Thursday, March 12, 2009 at 11:55 AM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      ^ They said the mall had originally planned to close on June 12, but someone bought it (the church group, I assume) and is keeping it open for now.
      • Randall Park Mall; North Randall, Ohio | Labelscar: The Retail History Blog 17 January 2010 0:57 UTC www.labelscar.com [Source type: FILTERED WITH BAYES]

      )
    • .
    • WLS-TV 7 permanent digital, 4.75 kW, WLS TV
  • 510 m:
    • WCPX TV 43 digital, 200 kW, Paxson
    • WCPX TV 38 analog, 3630 kW, Paxson (Analog Broadcast discontinued as of June 12, 2009. Now broadcasting only in digital.^ Thursday, March 12, 2009 at 02:43 PM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      ^ Thursday, March 12, 2009 at 11:43 AM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      ^ Thursday, March 12, 2009 at 12:43 PM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      )
    • WJYS TV 36 digital, 145 kW, Jovon Broadcasting
    • WCIU-TV 27 digital, 15.1 kW, WCIU-TV
  • 509 m:
    • WXFT-TV 59 temporary digital, 200 kW, TeleFutura
    • WXFT-TV 50 permanent digital, 230 kW, TeleFutura
  • 498 m:
    • WTTW TV 11 analog, 60.3 kW, Window To the World Comm. (Analog Broadcast discontinued as of June 12, 2009. Now broadcasting only in digital.)
    • WBBM-TV 12 digital, 8 kW, CBS
  • 480 m:
    • WFLD TV 31 digital backup, 475 kW, Fox TV
    • WPWR-TV 51 digital backup, 508 kW, Fox TV
  • 478 m: WGN-TV 19 digital backup, 310/229 kW, Continental Broadcasting
  • 474 m:
    • WTTW TV 47 digital backup, 150 kW, Window To the World Comm.
    • WLS-TV 52 digital backup, 220 kW, WLS TV
  • unknown: W40BY 40 analog, 37.2 kW, Trinity Broadcasting Network
  • FCC query
West mast
.
  • 523 m: WPWR-TV 51 digital, 1000 kW, Fox TV
  • 514 m, WLS-TV 52 temporary digital, 153.6 kW, WLS
  • 508 m, WMAQ-TV 29 digital, 350 kW, NBC/Telemundo
  • 494 m:
    • WMAQ-TV 5 analog, 20 kW (Analog Broadcast discontinued as of June 12, 2009. Now broadcasting only in digital.^ Thursday, March 12, 2009 at 02:20 PM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      ^ Thursday, March 12, 2009 at 01:51 PM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      ^ Thursday, March 12, 2009 at 11:20 AM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      )
    • WPWR-TV 50 analog, 5000 kW (Analog Broadcast discontinued as of June 12, 2009. Now broadcasting only in digital.)
    • .
    • WXFT-TV 60 analog, 5000 kW, TeleFutura (Analog Broadcast discontinued as of June 12, 2009. Now broadcasting only in digital.^ They said the mall had originally planned to close on June 12, but someone bought it (the church group, I assume) and is keeping it open for now.
      • Randall Park Mall; North Randall, Ohio | Labelscar: The Retail History Blog 17 January 2010 0:57 UTC www.labelscar.com [Source type: FILTERED WITH BAYES]

      )
    • .
  • 475 m: WFLD TV 31 digital, 690/1000 kW, Fox TV
  • 473 m: WCIU-TV 26 analog, 5000 kW (Analog Broadcast discontinued as of June 12, 2009. Now broadcasting only in digital.^ Thursday, March 12, 2009 at 12:31 PM .
    • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

    ^ They said the mall had originally planned to close on June 12, but someone bought it (the church group, I assume) and is keeping it open for now.
    • Randall Park Mall; North Randall, Ohio | Labelscar: The Retail History Blog 17 January 2010 0:57 UTC www.labelscar.com [Source type: FILTERED WITH BAYES]

    ^ Friday, March 13, 2009 at 12:26 PM .
    • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]
    • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

    )
  • .
  • 472 m:
    • WCIU-TV 27 digital, 590 kW, WCIU-TV
    • WSNS-TV 44 analog 5000 kW, NBC Telemundo (Analog Broadcast discontinued as of June 12, 2009. Now broadcasting only in digital.^ August 24th, 2009 12:44 AM .
      • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Wired New York Forum 17 January 2010 0:57 UTC www.wirednewyork.com [Source type: General]
      • New Calatrava-designed Tower in Chicago to surpass Sears Tower - Page 3 - Wired New York Forum 17 January 2010 0:57 UTC host.wirednewyork.com [Source type: General]

      ^ The western antenna was later extended to 1730 ft on June 5, 2000 to improve reception of local NBC station WMAQ-TV .
      • Willis Tower Skydeck - Google Maps 17 January 2010 0:57 UTC maps.google.com [Source type: FILTERED WITH BAYES]

      ^ Thursday, March 12, 2009 at 11:27 AM .
      • Change of Subject: Willis we always call it the Sears Tower? No, we won't-is 17 January 2010 0:57 UTC blogs.chicagotribune.com [Source type: General]

      )
    • .
    • WSNS-TV 45 digital 467/665 kW, NBC Telemundo
  • 465 m: WTTW TV 47 digital, 300 kW, Window To the World Comm.
  • 455 m: WJYS TV 36 digital, 50 kW, Jovon Broadcasting
  • 453 m: WGN-TV 19 digital, 645 kW, Continental Broadcasting
  • unknown:
    • WWME-LD 39 digital, 4.4 kW, Ch.^ Uses: 300 condominiums, 150 for-sale hotel rooms, 640 parking spaces, possible antennas for digital broadcasting.
      • New Calatrava-designed Tower in Chicago to surpass Sears Tower [Archive] - Wired New York Forum 17 January 2010 0:57 UTC wirednewyork.com [Source type: General]

      ^ WGN-DT-19 (WB) WCIU-DT-27 WMAQ-DT-29 (NBC) WFLD-DT-31 (FOX) WJYS-DT-36 WCPX-DT-43 (PAX) WSNS-DT-45 (NBC) WTTW-DT-47 (PBS) WPWR-DT-51 (UPN) WLS-DT-52 (ABC) WXFT-DT-59 .
      • Sears Tower: The Name Says It All (Anti-Willis Tower) 17 January 2010 0:57 UTC searstower.org [Source type: FILTERED WITH BAYES]

      23 Ltd.
    • WEDE-CA 34 analog, 50 kW, First United
    • WMEU-CA 48 analog STA, 150 kW, Weigel Broadcasting
    • WMEU-LD 49 digital, 15 kW
  • FCC query

Gallery

See also

References

  1. ^ a b c The tower has 108 stories as counted by standard methods, though the building's owners count the main roof as 109 and the mechanical penthouse roof as 110. Emporis.com Retrieved on June 7, 2008
  2. ^ "Welcome to Sears Tower (Chicago, Illinois)". Searstower.org. http://www.searstower.org/home.html. Retrieved 2009-09-14. 
  3. ^ Kerch, Steve (October 20, 1991). "This job is a tall order Sears Tower project is the height of redevelopment." Chicago Tribune.
  4. ^ The Tallest Skyscraper, TIME, June 11, 1973
  5. ^ Databank: Sears Tower. Wonders of the World Databank. Retrieved November 19, 2007.
  6. ^ SkyscraperPage - Sears Tower. Federal Communications Commission, CTBUH
  7. ^ For information on this transformation, see Donald R. Katz The Big Store: Inside the Crisis and Revolution at Sears, New York (Viking), 1987.
  8. ^ "77 W. Wacker ready to go." Chicago Sun-Times. March 12, 1990. Retrieved on November 12, 2009.
  9. ^ Cliff Edwards, Associated Press. "TrizecHahn buys control of Chicago's Sears Tower World's 2d-tallest building sold for $110m." The Boston Globe. December 4, 1997. Retrieved February 25, 2009 from HighBeam Research: http://www.highbeam.com/doc/1P2-8455803.html
  10. ^ Sears Tower may be for sale - Crains Chicago Business - October 31, 1997
  11. ^ Trizec to sell its last local asset - Crain's Chicago Business - September 27, 2006
  12. ^ "[ BIZ BRIEFS ]." Chicago Sun-Times. Chicago Sun Times. May 1, 2004. Retrieved February 25, 2009 from HighBeam Research: http://www.highbeam.com/doc/1P2-1527288.html
  13. ^ "MetLife to Complete Sale of Chicago's Sears Tower." Chicago Tribune (Chicago, IL). McClatchy-Tribune Information Services. April 30, 2004. Retrieved February 25, 2009 from HighBeam Research: http://www.highbeam.com/doc/1G1-118314848.html
  14. ^ Sears Tower in silver? - Chicago Sun-Times - February 25, 2009
  15. ^ David Roeder. "Tall order for Tower?; Sears Tower owners to press city for zoning change, subsidy to add 2nd building as part of mega-million-dollar project next to landmark." Chicago Sun-Times. Chicago Sun Times. October 12, 2007. Retrieved February 25, 2009 from HighBeam Research: http://www.highbeam.com/doc/1P2-8884264.html
  16. ^ "Seven charged over 'Chicago plot'". BBC News, 23 June 2006.
  17. ^ "Sears Tower 'plot trial' begins". BBC News, 3 October 2007.
  18. ^ "Five guilty in Chicago bomb plot". BBC News, 12 May 2009.
  19. ^ "Sears Tower bomb plot leader Narseal Batiste jailed". BBC News, 20 November 2009.
  20. ^ Sears Tower unveils 103rd floor glass balconies
  21. ^ "'Spiderman' scales Sears Tower in Chicago - August 20, 1999". CNN. http://www.cnn.com/US/9908/20/tower.climber/. Retrieved 2009-09-14. 
  22. ^ Burj Khalifa surpasses the height of Sears Tower in Chicago
  23. ^ "Freedom Tower ("World Trade Center 1")". NYC Tower. http://www.nyc-tower.com/stats/. Retrieved 2008-11-30. 
  24. ^ Chicago Spire, Chicago - SkyscraperPage.com
  25. ^ "Sears Tower name to change to Willis Tower". Chicago Tribune. March 12, 2009. http://archives.chicagotribune.com/2009/mar/12/business/chi-biz-sears-tower-name-change-willis-march12. Retrieved May 1, 2009. 
  26. ^ "Sears Tower Now Willis". Chicago Tribune. July 16, 2009. http://www.chicagotribune.com/business/chi-talk-willis-towerjul16,0,4222230.story. Retrieved July 16, 2009. 
  27. ^ Willis could get Sears Tower naming rights - Chicago Real Estate Daily - March 11, 2009
  28. ^ a b Podmolik, Mary Ellen (July 16, 2009). "Sears Tower name change: Building today officially becomes Willis Tower". Chicago Tribune. http://www.chicagotribune.com/business/chi-talk-willis-towerjul16,0,4222230.story. Retrieved July 16, 2009. 
  29. ^ Burns, Greg (July 16, 2009). "Burns on Business, Willis Wants to be Part of Chicago by Way of Jersey". Chicago Tribune. http://www.chicagotribune.com/business/chi-talk-willis-towerjul16,0,4222230.story. Retrieved July 16, 2009. 
  30. ^ "Sears Tower Now Named Willis Tower". CNN. July 16, 2009. http://www.cnn.com/2009/US/07/16/sears.tower.renamed/index.html. Retrieved July 17, 2009. 
  31. ^ Suddath, Claire (February 8, 2010). "Top 10 Worst Corporate Name Changes: It's the Sears Tower". Time. http://www.time.com/time/specials/packages/article/0,28804,1914815_1914808_1914812,00.html. Retrieved February 8, 2010. 
  32. ^ "Filming Locations for Ferris Bueller's Day Off". Movie-locations.com. http://www.movie-locations.com/movies/f/ferris.html. Retrieved 2009-09-14. 
  33. ^ The Sears Tower Dressed In Sears Clothing
  34. ^ By Keith Darcé (2007-01-31). "Madison Avenue turns to Main Street | The San Diego Union-Tribune". Signonsandiego.com. http://www.signonsandiego.com/uniontrib/20070131/news_1n31ads.html. Retrieved 2009-09-14. 
  35. ^ SkyscraperDefense.com
  36. ^ "SKYSCRAPERMAN". skyscraperman.com. http://skyscraperman.com. Retrieved 2009-09-15. 
  37. ^ Sears Tower in Chicago Is Scaled by Stunt Man Published: May 26, 1981 New York Times
  38. ^ "Spiderman scales Sears Tower w/Stan Lee interview". YouTube.com. http://www.youtube.com/watch?v=woD6DVOBNvU. Retrieved 2009-01-13. 
  39. ^ "Sears Tower". Tallest Building in the World. 2007-09-02. http://www.tallestbuildingintheworld.com/building_id_5_Sears+Tower.php. Retrieved 2009-09-14. 

External links

Records
Preceded by
World Trade Center
Tallest building in the world
1,451 ft

1974–1998
Succeeded by
Petronas Twin Towers
World's tallest building architectural element
442 m

1973–1998
Building with the most floors
108 floors

2001–2007
Succeeded by
Burj Khalifa
World's tallest building rooftop
442 m

1973–2003
Succeeded by
Taipei 101
Tallest building in the United States
527 m

1973–present
Incumbent
Preceded by
Aon Center
Tallest building in Chicago
527 m

1973–present

Simple English

Willis Tower
General information
Location Chicago
File:Flag of the United
United States
Status Complete
Constructed 1974
Height
Antenna or spire 442 m (1,451 ft)
Technical details
Floor count 108

The Willis Tower is a skyscraper in Chicago, Illinois. Sears, Roebuck and Company paid for the building to be built in August 1970 and it was called the Sears Tower until 2009. The building was finished in 1974. The Willis Tower is the tallest building in North America and was the tallest building in the world from 1974 to 1996. It has 108 levels, and from the ground to the roof it is 442 m (1,451 ft) tall.

[[File:|thumb|left|175px|Comparing the world's tallest buildings]] Before the Willis Tower was completed, the tallest building in the world was the World Trade Center. In 1996, the Petronas Twin Towers in Kuala Lumpur, Malaysia became the world's tallest buildings. The Willis Tower is still the tallest building in the world from ground to pinnacle because it has two television antennas on top of it. From the ground to the top of the taller antenna is 527 m (1,730 ft).

Other pages

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Citable sentences

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