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Broad Sustainable Building Co., LTD (BSB) 远大可建科技 is a construction company wholly owned subsidiary of Broad Group, specialized in developing prefabricated buildings. From small buildings to skyscrapers, several projects from BSB drawed attention from the media after being erected in just a few weeks, assembling up entire floors in a single day, while reducing costs, among other benefits. One of its projects, which is currently on hold, is to assemble the Sky City, a 220 floor building in Changsha in only 90 days, that once completed, can become the tallest building of the world. BSB intends to license its technology worldwide and currently has six franchises in China with plans to 150 worldwide.〔 ==Projects== BSB currently has several completed projects. Some of those were filmed in time-lapse photography and created much media attention. All BSB building are said to have the following advantages: Magnitude 9 Earthquake resistant, low cost of construction, high thermal efficiency (leading to low maintenance cost),environmental friendly (low pollution from construction) and inside air that is 9 times purer than outside air.〔http://www.broad.com:8089/english/down/en_kj.pdf〕〔http://www.broad.com:8089/english/down/from.pdf〕 Record breaking projects: # In 2010 BSB constructed Ark hotel: 15 story in just 48 hours.〔http://www.youtube.com/watch?v=Ps0DSihggio〕 # In 2011 BSB completed T-30, a 30 story hotel, in just 15 days.〔https://www.youtube.com/watch?v=C2K53T81FEs&index=2&list=PLiwZ62tpFvnh4eNmGUVCFO4uj_hZJON3b〕 At a cost of less than $1000/sqm it is considered very low cost. # In 2015 BSB completed J57, a 57 stories mixed use building in just 19 days. Also in 2011, a 6 story dormitory was built in just 5 days.〔http://www.youtube.com/watch?v=_BfA67dsPZw〕 # In May 2012 a 12 floors, 14,000 m2 building was completed by BSB in Zhauyuan, Shangdong, China. The building skeleton was constructed in 62 hours.〔http://bsb.broad.com/view.php?id=4960〕 # In 2013 BSB built T25 in Yinchuan: A 25 stories tower in 17 days. # In 2014 BSB completed Z15 Weihai, a 17 Stories skyscraper in 2 days 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Broad Sustainable Building」の詳細全文を読む スポンサード リンク
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