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Height: Occupied
733.5 m / 2,406 ft
 
Height: To Tip
838 m / 2,749 ft
Height: Architectural
838 m / 2,749 ft
 
Sky City Outline
Height: Observatory
733.5 m / 2,406 ft
Height: Helipad
739.8 m / 2,427 ft
Floors Above Ground
202
Floors Below Ground
6
# of Elevators
93
Top Elevator Speed
18 m/s
Tower GFA
1,050,000 m² / 11,302,106 ft²
# of Hotel Rooms
250

Facts

Official Name Sky City
Other Names J220, Yuanwang Mansion
Structure Type Building
Status Vision
Country China
City Changsha
Street Address & Map Chenjia Maowu
Building Functions hotel / residential / education / hospital / office
Structural Material steel
Proposed 2012

Companies Involved

Owner/Developer Broad Group
Architect Broad Group
Main Contractor Broad Group
Other Consultant
• Wind BMT Fluid Mechanics Ltd.

CTBUH Initiatives

World Architecture Day Prefab Panel Debates on “Factory-Made”
10 Oct 2013 – Event Report

Atlantic Yards B2 – Modular on the Rise
23 Jul 2013 – Event Report

Inside the China Broad Group
Aug 2012 – Tour Report

Global News

Proposed Supertall Tower in Beijing to Utilize Pre-Fab Modules
7 Feb 2014 – Beijing

Sky City to Possibly Begin Construction, BSB Makes Plans for Sky City II
30 Oct 2013 – Qingdao

CTBUH Brings Tall Thoughts to WAD13
16 Oct 2013 – New York City

More News

News Related to Sky City

News Image
Proposed Supertall Tower in Beijing to Utilize Pre-Fab Modules
7 Feb 2014 – Beijing, China
A 300-meter tower designed by Henn Architects adopts the latest advancements in architecture to redefine the stereotypically severe skyscraper into an elegant structure…
News Image
Sky City to Possibly Begin Construction, BSB Makes Plans for Sky City II
30 Oct 2013 – Qingdao, China
The ambitious China Broad Group today announced plans to build a sister tower to its highly-anticipated Sky City project in Changsha. Sky City II has been proposed as a…
News Image
CTBUH Brings Tall Thoughts to WAD13
16 Oct 2013 – New York City, United States
CTBUH Director Antony Wood made his way to New York last week to participate in and present at World Architecture Day 2013 (WAD13), hosted by World Architecture News (WAN…
News Image
Work Stalls on Sky City, But BSB Remains Positive
28 Aug 2013 – Changsha, China
The New York Times has produced a trio of pieces on the ever-interesting Sky City project by Broad Sustainable Building in Changsha, China. The articles paint a…
News Image
More Questions Surrounding Sky City
14 Aug 2013 – Changsha, China
Since Broad Sustainable Building held a groundbreaking ceremony for Sky City on July 20, questions arose around all aspects of the project. Christian Science Monitor…
News Image
China Broad Breaks Ground on Sky City – Or Does It?
22 Jul 2013 – Changsha, China
The company hoping to build the world's tallest skyscraper in record time held a groundbreaking ceremony on Saturday, July 20, in Changsha, China. But since then, media…
News Image
Video: China Broad J220 Animation
13 May 2013 – Changsha, China
The Broad Sustainable Building has released an animation of its much anticipated Sky City skyscraper in Changsha, which, if completed, would be the world’s tallest…

Videos

Interview: Sky City
11 Jun 2013 – Zhang Yue, BROAD Group

Sky City: World's Next Tallest
11 Jun 2013 – Zhang Yue, BROAD Group

Interview: Broad Sustainable Building
20 Sep 2012 – Ying Tang, BROAD Group

More Videos

Videos Related to Sky City

Videos Related to Sky City

Interview: Sky City
11 Jun 2013 – 2013 London Conference Interviews; Zhang Yue, BROAD Group
Zhang Yue of China Broad Group is interviewed by Jeff Herzer during the 2013 CTBUH London Conference at The Brewery, London. Zhang talks about Sky City, the Broad Group's…
Sky City: World's Next Tallest
11 Jun 2013 – Presentation at CTBUH 2013 London Conference; Zhang Yue, BROAD Group
The China Broad Group captured the imagination of the entire world with the time lapse video of their 30-story pre-fabricated tower being erected in just 15 days in China…
Interview: Broad Sustainable Building
20 Sep 2012 – 2012 Shanghai Congress Interviews; Ying Tang, BROAD Group
Ying Tang of Broad Sustainable Building is interviewed by Jeff Herzer during the 2012 CTBUH Shanghai Congress at the Jin Mao, Shanghai. Ying Tang discusses the current…
Interview: Prefabrication in the Tall Building Industry
20 Sep 2012 – 2012 Shanghai Congress Interviews; Andy Davids, Hyder Consulting
Andy Davids of Hyder Consulting is interviewed by Jeff Herzer during the 2012 CTBUH Shanghai Congress at the Jin Mao, Shanghai. Andy discusses the 838-meter BROAD Group…
Interview: China's Future Tallest
19 Sep 2012 – 2012 Shanghai Congress Interviews; David Malott, KPF
David Malott of Kohn Pedersen Fox Associates is interviewed by Jeff Herzer during the 2012 CTBUH Shanghai Congress at the Jin Mao, Shanghai. David discusses two of China'…
Interview: Leadenhall Building
18 Sep 2012 – 2012 Shanghai Congress Interviews; David Scott, Laing O'Rourke
David Scott of Laing O'Rourke is interviewed by Jeff Herzer during the 2012 CTBUH Shanghai Congress at the Jin Mao, Shanghai. David talks about prefabrication of…
The Next Generation of Ultra High-Rise Buildings
18 Sep 2012 – Presentation at CTBUH 2012 9th World Congress, Shanghai; Andy Davids, Hyder Consulting
In recent times, several invitations have been issued by Governmental and Private Bodies to develop the next tallest building in the world, often with target heights…
Interview: Shanghai Tower and Ping An Finance Center
17 Sep 2012 – 2012 Shanghai Congress Interviews; Dennis Poon, Thornton Tomasetti
Dennis Poon of Thornton Tomasetti is interviewed by Jeff Herzer during the 2012 CTBUH Shanghai Congress at the Jin Mao, Shanghai. Dennis discusses two megatall towers…
Interview: Tall Construction in China
17 Sep 2012 – 2012 Shanghai Congress Interviews; Timothy Johnson, NBBJ
Timothy Johnson of NBBJ is interviewed by Jeff Herzer during the 2012 CTBUH Shanghai Congress at the Jin Mao, Shanghai. Timothy discusses the future of tall construction…

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