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rj Khalifa (Arabic: ??? ?????? Khalifa Tower),[8] known as Burj Dubai prior to its inauguration, is a skyscraper in Dubai, United Arab Emirates, and is currently the tallest manmade social organization in the world, at 829.84 m (2,723 ft).[3][8] Construction began on 21 September 2004, with the outside of the structure completed on 1 October 2009. The building formally clear on 4 January 2010,[1][9] and is part of the new 2 km2 (490-acre) flagship developing called Downtown Dubai at the First Interchange along Sheikh Zayed Road, close Dubais main(prenominal) business district. The towers architecture and engineering were performed by Skidmore, Owings and Merrill of Chicago, with Adrian Smith as chief architect, and Bill Baker as chief geomorphologic engineer.[10][11] The primary contractor was Samsung C&T of South Korea.[12] The contribute up cost for the project was about US$1.5 jillion; and for the wide Downtown Dubai development, US$20 billion.[13] In butt on 2009, Mo hamed Ali Alabbar, moderate of the projects developer, Emaar Properties, said office space pricing at Burj Khalifa reached US$4,000 per sq ft (over US$43,000 per m²) and the Armani Residences, also in Burj Khalifa, change for US$3,500 per sq ft (over US$37,500 per m²).[14] The projects extent coincided with the orbicular financial crisis of 20072010, and with vast overbuilding in the country, led to game vacancies and foreclosures.[15] With Dubai tangled in debt from its huge ambitions, the government was forced to set about multibillion dIf you compliments to get a full essay, order it on our website: OrderEssay.net

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