SKY CITY is an 838m (2,749ft) tall skyscraper approved for construction in the city of Changsha , Hunan in south-central China . The prospective builders, Broad Sustainable Building , estimated it would take just 90 days to construct,but this is not counting 120 days of prefabrication before on-site work commences; the total schedule is 210 days. If completed, it could become the tallest building in the world. Broad Sustainable Building, who specialise in making buildings that are sustainable, cost less, use environment friendly materials and can be built in a short amount of time, using techniques like prefabrication, had intended to build a 666m (2,185ft) tall skyscraper, but the local government wanted the world's tallest building, hence the current plans. The company has constructed 20 buildings in China using the same method and has several franchise partners globally. Building layout If built as planned and to schedule, Sky City would likely be the talles...
Engineering & interesting stuff !!!