Menara Willis

Menara Willis
	Menara Willis kacingak saking Danu Michigan ring April 2019
Aran sadurungnyané	Menara Sears (1973–2009)
Record height
	Tallest in the world from 1973 to 1998
Sadurungné olih	World Trade Center
Salanturané olih	Menara Petronas
Inpormasi umum
Status	Puput
Tipe	Kantor, observasi, komunikasi
Pakem Undagi	Internasional
Genah	233 S. Wacker Drive; Chicago, Illinois 60606; Amérika Serikat
Panyewa sané mangkin	United Airlines; Willis Towers Watson; Schiff Hardin; Seyfarth Shaw; Morgan Stanley;
Kaaranin antuk	Willis Towers Watson; Sears (1973–2009)
Ngawit kawangun	1970; sampun 54 warsa
Puput	1974; sampun 50 warsa
Opening	September 1973; sampun 50 warsa
Pemilik	Blackstone Group
Height
Arsitektur	1,451 ft (442 m)
Tip	1,729 ft (527 m)
Lantai atas	1,354 ft (413 m)
Detail teknis
Akéh lantai	110 (+3 basemen)
Jimbar lantai	4,477,800 sq ft (416,000 m2)
Akéh Lift/elevator	104, antuk elevator 16 double-decker, kakardi olih Westinghouse, kamodérenisasi olih Schindler Group lan mangkin kamodérenisasi malih olih Pautsahaan Otis Elevator
Désain miwah undagi
Undagi	Skidmore, Owings & Merrill ; Fazlur Rahman Khan ; Bruce Graham
Undagi	Jaros, Baum & Bolles (MEP), Aon Fire Protection Engineering, formerly Schirmer Engineering Corporation (Fire)
Undagi struktur	Skidmore, Owings & Merrill
Kontraktor utama	Morse Diesel International
Pustaka
	I. ^"Willis Tower". Emporis. Kaarsipin saking versi asli tanggal September 23, 2015. Check date values in: \|archive-date= (help);

Menara Willis, sujatiné lan kantun ketah maaran Menara Sears, inggih punika pancakar langit malantai 110, tegehné 1,451-kaki (442.3 m) magenah ring wawidangan Loop Chicago ring Illinois, Amérika Serikat.

Pustaka[uah | uah wit]

↑ Kaiyegang santukan fakta Menara Willis/Sears tegehan sareng Menara Petronas manut tegeh, tegeh raab, & tegeh lantai kadagingin."Petronas vs. Sears Tower Controversy". Kaaksés February 24, 2024.
↑ de la Merced, Michael J. (March 16, 2014). "Blackstone Group Purchases Landmark Willis Tower in Chicago". The New York Times. Kaaksés August 11, 2015.
↑ ^3,0 ^3,1 ^3,2 ^3,3 ^3,4 ^3,5 ^3,6 ^3,7 "Willis Tower – The Skyscraper Center". Council on Tall Buildings and Urban Habitat. June 13, 2015. Kaarsipin saking versi asli tanggal December 23, 2019. Kaaksés June 13, 2015.
↑ Pikobet nganggit: Tag <ref> tidak sah; tidak ditemukan teks untuk ref bernama History and Facts - Willis Tower

[1] Kaiyegang santukan fakta Menara Willis/Sears tegehan sareng Menara Petronas manut tegeh, tegeh raab, & tegeh lantai kadagingin."Petronas vs. Sears Tower Controversy". Kaaksés February 24, 2024.

[2] Merced, Michael J. (March 16, 2014). "Blackstone Group Purchases Landmark Willis Tower in Chicago". The New York Times. Kaaksés August 11, 2015.

[skyscraperCenter-3] 3,0 ^3,1 ^3,2 ^3,3 ^3,4 ^3,5 ^3,6 ^3,7 "Willis Tower – The Skyscraper Center". Council on Tall Buildings and Urban Habitat. June 13, 2015. Kaarsipin saking versi asli tanggal December 23, 2019. Kaaksés June 13, 2015.

[History_and_Facts_-_Willis_Tower-4] Pikobet nganggit: Tag <ref> tidak sah; tidak ditemukan teks untuk ref bernama History and Facts - Willis Tower

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