World's Tallest Tower: Burj Khalifa - Dubai'

World's Tallest Tower: Burj Khalifa - Dubai'

The Burj Khalifa (/ˈbɜːrdʒ kəˈliːfə/; Arabic: برج خليفة‎, Arabic pronunciation: [bʊrd͡ʒ xaˈliːfa], Khalifa Tower), known as the Burj Dubai prior to its inauguration in 2010, is a skyscraper in Dubai, United Arab Emirates. With a total height of 829.8 m (2,722 ft, just over half a mile) and a roof height (excluding antenna, but including a 244 m spire[2]) of 828 m (2,717 ft), the Burj Khalifa has been the tallest structure and building in the world since its topping out in 2009, supplanting Taipei 101, the previous holder of that status.[3][4]

Burj Khalifa
برج خليفة
Burj Khalifa.jpg
Viewed across The Dubai Fountain
Wikimedia | © OpenStreetMap
Former names
Burj Dubai
Record height
Tallest in the world since 2009[I]
Preceded by
Taipei 101
Surpassed by
Jeddah Tower (expected)
General information
Status
Completed
Type
Mixed-use
Architectural style
Neo-futurism
Location
Dubai
Address
1 Sheikh Mohammed bin Rashid Boulevard
Country
United Arab Emirates
Coordinates
25°11′49.7″N 55°16′26.8″E
Named for
Sheikh Khalifa
Construction started
6 January 2004
Topped-out
17 January 2009
Completed
1 October 2009
Opened
4 January 2010
Cost
US$1.5 billion
Owner
Emaar Properties

Height
Architectural
828 m (2,717 ft)
Tip
829.8 m (2,722 ft)
Top floor
585.4 m (1,921 ft)
Observatory
555.7 m (1,823 ft)
Technical details
Structural system
Reinforced concrete, steel, and aluminium
Floor count
154 + 9 maintenance
Floor area
309,473 m2 (3,331,100 sq ft)
Lifts/elevators
57
Design and construction
Architect
Adrian Smith
Architecture firm
Skidmore, Owings & Merrill
Structural engineer
Bill Baker
Main contractor
Samsung C&T
Other information
Parking
2 subterranean levels