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At present, world’s tallest building is Dubai’s Burj Khalifa. Engineers took five years to complete this 2,722 feet (829 m) high building. Last year, Chinese construction firm Broad Sustainable Building (BSB) announced that it wants to build the world’s tallest skyscraper Sky City (天空城市) within three months or 90 days. Finally, the company has the green light from authorities.

We reported that Saudi Arabia had been planning to build a tower named Kingdom Tower in Jeddah which will be 3,281 feet (1000 m) in height. Later, Haji Ibrahim Nehramli, President of Avesta Group of Companies announced that he wants to build the world’s highest building ‘Azerbaijan Tower‘ which will be 3,445 feet (1050 m) in height. After these announcements, BSB announced that it will build the world’s highest building, the Sky City (天空城市).

The Sky City will be 10 meter (33 feet) higher than Burj Khalifa. It will be a 220 storied, 2,750 feet high building. This building will have 1 million square meters of residential, commercial and retail space, 104 elevators, and capacity for 70,000-120,000 people. And this entire building would be completed within three months or 90 days.

Around a year ago BSB said that it had a unique construction method to build the building within 90 days. The company would use quadruple glazing and 15 centimeter thick exterior walls for thermal insulation. In other word, the secret to the rapid construction is pre-fabrication. BSB also mentioned that approximately 95% of the building would be put together in modular form. See more in the video below.

BSB was supposed to start construction of this building in November 2012, but unfortunately the company hadn’t got permission from the Chinese government. But now, BSB has got permission from the Chinese government to build the world’s tallest building. 3. The projected cost for this building is RMB 4 billion (US$628 million or £400 million).

Source: PopSci

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