The Burj Khalifa (formerly Burj Dubai) is a large scale mixed-use project primarily consisting of luxury condominiums, and a five-star luxury hotel consisting of hotel units and hotel residences.
Burj Khalifa was officially inaugurated in January 4, 2010. It is the tallest building in the world at 828 m (2717 ft) in all three categories recognized by the Council on Tall Buildings and Urban Habitat (CTBUH), which compiles and ranks the world’s tallest buildings.
CTBUH ranks buildings on the basis of height to the architectural top, to the highest occupied floor and to the tip.
The Burj Khalifa is the first mega-high rise in which certain elevators will be programmed to permit controlled evacuation for certain fire or security events. The Burj Khalifa also contains the world’s highest elevator installation. These elevators will be among the world’s fastest at 10 m/sec (25 mph).
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