China claim another title - the fastest builders on the planet after putting up a 15-storey hotel in just 6 days.Of course, Broad Group is cheating a little. The foundation and other ground construction was completed before main construction was timed. Also, the building is constructed from prefabricated parts which were manufactured off site and likely took weeks to fully produce.
China’s Broad Group wanted to showcase the speed and efficiency of its new construction technology, so it constructed the Ark Hotel in Changsha in record time. A team of 200 workers erected the 15 story internal structure in just 46.5 hours. External construction took another 90 hours, for a total of less than 6 days. According to Broad, the hotel is built to withstand a 9.0 earthquake while using one sixth the material and costing 20% less.
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