Tuesday, January 5, 2010

The world's tallest tower,Burji Khalifa' is 828 meters high


Burj Dubai opening ceremony was spectacular: Burj Dubai is Burj Khalifa, pictures, video, Youtube. World’s tallest building Burj Dubai was opened Monday evening, kindling hopes for recovery for the crisis-ridden Dubai economy.
The 828-meter tall edifice is to Dubai what World Trade Center was to the US. Burj Dubai, which will be rechristened Burj Khalifa Bin Zayed, bears the emirate’s hopes of restoring its reputation as an international business hub.Mohammad Alabbar of Emaar Properties, the developers behind the tower taller than two Empire State buildings stacked up, said Burj Dubai is the beginning of Dubai’s gradual move towards regaining its global allure. Once one of the world’s top realtors, the state-backed Emaar has seen 86 percent fall in its stocks. Now with Burj Dubai open, Emaar’s revenue is expected to receive a $1 billion fillip in the first quarter of the fiscal. Saud Masud of UBS AG in Dubai said Dubai realtors may face a further decline in the stock market by 30 percent, despite the global spotlight on Burj Dubai. The shockwaves sent by the news about the state-owned Dubai World’s $26 billion debt have not subsided yet. Sheik Mohammed Rashid bin Bashid Al Maktoum even sought the financial assistance of Abu Dhabi, another emirate of the UAE.The opening ceremony marked the fourth anniversary of Sheik Mohammed’s rule of the emirate.Chicago’s Skidmore, Owings & Merrill has designed the 160-story building.The Burj Khalifa is more than three hundred meters higher than its nearest rival Taipei 101. It is 828 metres high while Taipei is ‘merely’ 508 metres high.Burj Dubai is the centrepiece of Emaar’s flagship mega-project, the 73-billion dirham ($20 billion) downtown Burj Dubai, billed as the world’s most prestigious project.The super-tall structure will have residences, commercial space and hospitality elements, including the world’s first Armani Hotel and Armani Residences.The gleaming glass and steel tower of more than 160 floors extends more than 800 metres into the sky, making it some 300 metres taller than Taipei 101, currently listed as the world's tallest inhabited structure. Designed by British architect Adrian Smith, the complex includes 1,000 residences, 160 luxury hotel rooms, and 37 office floors with corporate suites. Authorities have reserved some 7,000 parking spaces for guests at Monday evening's gala opening ceremony. The long-awaited opening of the Burj Dubai dominated television reports across the Arab world Monday. Organisers are not saying who apart from the United Arab Emirates' (UAE) leaders would attend the ceremony, but the guest list is likely to include luminaries from the business and diplomatic worlds. The event has provided some welcome publicity for the emirate, a month after the the state-owned holding company Dubai World said it needed a repayment freeze on its debt of $59 billion.
The world's tallest tower, developed by Emaar Properties, was unveiled Monday night to a crowd of thousands and the world in a crescendo of fireworks, lasers and fountain displays. The official height of the tower, unveiled as 'Burj Khalifa', was announced as 828 metres (2,716.5 ft). A closely guarded secret, the official height of Burj Khalifa was flashed onto a giant screen before an estimated crowd of more than 400,000, as lasers and fireworks lit up the night sky.
Fireworks cascaded from the tower's spire to the base and lasers blazed out from all levels leaving the crowds awestruck. The height was disclosed in arithmetic progression, with the numbers being flashed onto the screen, one after another. The tower's height breaks all existing world records for tall buildings.
Burj Khalifa is the tallest building in the world according to the three main criteria of the Council on Tall Buildings and Urban Habitat (CTBUH). The CTBUH ranks the world’s tallest buildings based on ‘Height to Architectural Top,’ ‘Height to Highest Occupied Floor’ and ‘Height to Tip.’
At 828 metres (2,716.5ft), Burj Khalifa is 320 metres taller than Taipei 101, which at 508 metres (1,667 ft) had held the record for the world’s tallest building measured to the architectural top since 2004, the year the project was announced.
Burj Khalifa achieved the distinction of being the world's tallest structure – surpassing the KVLY-TV mast (628.8 metres; 2,063 ft) in North Dakota, USA – 1,325 days after excavation work started in January 2004. The tower also beats the 31-year-old record of CN Tower, which at 553.33 metres (1,815.5 ft) had been the world’s tallest free-standing structure on land since 1976.
Burj Khalifa employs a record-breaking 330,000 cubic metres of concrete, 39,000 metric tonnes of steel rebar and 142,000 square metres of glass; and it took 22 million man hours to build. Other world records for Burj Khalifa include the highest occupied floor in the world, at over 550 metres (1,800 ft); the highest outdoor observation deck in the world – At the Top on Level 124; and the tallest service elevator, which travels to a height of 504 metres (1,654 ft).
Mr. Mohamed Alabbar, Chairman, Emaar Properties, said that with the unveiling of the final height of Burj Khalifa, the world now had a new reference point for high-rise developments. "Burj Khalifa is an example of collaboration on a global scale, and the tremendous positive energy that can be generated when people from all over the world come together to work towards a common goal. Thousands of professionals and skilled workers from around the world worked on this once-in-a-lifetime project."
"More than 60 of the world’s leading consultants including South Korea’s Samsung Corporation and New York-based Turner Construction International realised the design for Burj Khalifa of Chicago-based Skidmore, Owings and Merrill (SOM)," he said.
Burj Khalifa employed the latest advances in wind engineering, structural engineering, structural systems, construction materials and methods. All design considerations took into account the 12,000 people who will live and work in the tower. The handover to residents of the various components of Burj Khalifa will begin in February.
With a total built-up area of about 6 million sq ft, Burj Khalifa features nearly 2 million sq ft of residential space and over 300,000 sq ft of prime office space, in addition to the area occupied by the keenly awaited Armani Hotel Dubai and the Armani Residences. The tower also features modern lifestyle amenities including clubs, health and fitness facilities, gourmet restaurants and the 124th floor observation deck, 'At the Top.' Burj Khalifa is the focal point of the 500-acre ‘mega-project’ by Emaar Properties, described as the new heart of Dubai.
Source:http://www.albawaba.com

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