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Tallest building in the world

Written By Admin on Sunday, 6 May 2012 | Sunday, May 06, 2012


  • Burj Khalifa (known as Burj Dubai prior to its inauguration), is a skyscraper in Dubai, United Arab Emirates, and is the tallest manmade structure in the world, at 829.84 m (2,723 ft).
  • Construction began on 21 September 2004, with the exterior of the structure completed on 1 October 2009. The building officially opened on 4 January 2010, and is part of the new 2 km2 (490-acre) flagship development called Downtown Dubai at the 'First Interchange' along Sheikh Zayed Road, near Dubai's main business district. The tower's architecture and engineering were performed by Skidmore, Owings and Merrill of Chicago, with Adrian Smith as chief architect, and Bill Baker as chief structural engineer. The primary contractor was Samsung C&T of South Korea.
  • When announced in early 2003, the Burj Khalifa's design was the same as the 560 meter tall Melbourne Grollo Tower. However, in May 2003 a new design by Skidmore, Owings and Merrill was released
  •  An observation deck is located on the 124th floor.
  •   Burj Khalifa has the fastest elevators in the world with a speed of 700m/min (42.3 km/h / 26.1 mp/h).
  •   The total cost for the project was about US$1.5 billion; and for the entire "Downtown Dubai" development, US$20 billion. In March 2009, Mohamed Ali Alabbar, chairman of the project's 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, sold for US$3,500 per sq ft (over US$37,500 per m²).

  • The project's completion coincided with the global financial crisis of 2007–2010, and with vast overbuilding in the country, led to high vacancies and foreclosures. With Dubai mired in debt from its huge ambitions, the government was forced to seek multibillion dollar bailouts from its oil-rich neighbor Abu Dhabi. Subsequently, in a surprise move at its opening ceremony, the tower was renamed Burj Khalifa, said to honour the UAE President Khalifa bin Zayed Al Nahyan for his crucial support.

  • Due to the slumping demand in Dubai's property market, the rents in the Burj Khalifa plummeted 40% some ten months after its opening. Out of 900 apartments in the tower, around 825 were still empty at that time.

  
Record height
Tallest in the world since 2010
Preceded by
Taipei 101
General information
Status
Complete
Type
Mixed-use
Location
Dubai, United Arab Emirates
Coordinates
25°11′49.7″N 55°16′26.8″E
Construction started
January 2004
Completed
2010
Opening
4 January 2010
Cost
USD 1.5 billion
Height
Architectural
828m (2,717 ft)
Tip
829.84 m (2,723 ft)
Roof
828m (2,717 ft)
Top floor
621.3 m (2,038 ft)
Observatory
452.1 m (1,483 ft)
Technical details
Floor count
163 floors
plus 46 maintenance levels in the spire and 2 parking levels in the basement
Floor area
309,473 m2 (3,331,100 sq ft)
Design and construction
Owner
Azhar Bin Sulaiman
Main contractor
SOM, Besix and Arabtec, Samsung C&T
Supervision Consultant Engineer & Architect of Record Hyder Consulting
Construction Project Manager Turner Construction
Grocon
Planning Bauer AG and Middle East Foundations
Lift contractor Otis
VT consultant Lerch Bates
Architect
Adrian Smith at SOM
Developer
Emaar Properties
Structural engineer
Bill Baker at SOM

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