A developer in China has unveiled its 57-storey skyscraper in Changsha City, by the Xianjiang River, which it completed recently in less than three weeks.
Related: World’s tallest residential skyscraper also has its own cricket pitch
According to a report by Gizmodo.com, the project was accomplished using prefabricated modular technology developed by a company called Broad Sustainable Building, a well-known local firm that has built more than 20 tall structures in China.
The mixed-use building, dubbed ‘Sky City’, was originally announced way back in 2012 to be the tallest mixed-use residential tower in the world at 220 storeys, but the completed project in 2015 fell short of that plan because of logistics and aviation issues (the site is located very close to an airport).
The builders initially wanted to complete the 838-metre project at a rate of five storeys per day, with exteriors and interiors, all within 90 days. The project was green-lit, but encountered several unknown delays.
According to a report by Business Insider, the modified version of the actual Sky City comprises 800 high- and low-income apartments, and office space for an estimated 4,000 people. The tower’s total area covers 180,000 sqm, and will also house shops, restaurants, and possibly hospitality, educational and commercial spaces.
Broad Sustainable Building has claimed that the new tower’s interiors will feature 99.9 percent pure air because of the tight construction method used and its built-in airconditioning system, addressing China’s worsening air pollution problem.
Using prefabricated modules also reduced the need to transport concrete by 15,000 trucks, according to the Broad group, while the tower’s quadruple pane glass can save “12,000 tons of CO2 emission compared to a building of the same size and use.”
To see is to believe? Here’s a promotional video clip of how the builders handled the tower’s super-speedy construction.
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