China to build world's tallest building - in just 90 days

Clifford Coonan:  When completed by the end of next March, Sky City in Changsha will be the tallest skyscraper in the world, standing at 2,749ft (838m) high, over 220 floors. And remarkably, they’ve not started building it yet. It took Dubai more than five years to build the world’s tallest building, the 828mBurj Khalifa, but architects and engineers at Broad Sustainable Building (BSB), a unit of the air conditioning maker Broad Group, are confident they can beat that record.  Critics have pointed out that BSB’s construction company has never built anything taller than 30 storeys before, but the builders seem unworried. BSB senior vice-president Juliet Jiang told Construction Week Online that the company’s plan to construct the skyscraper “will go on as planned with the completion of five storeys a day.”...Read more...