Information about burj khalifa

Some information about burj khalifa:-

• Burj construction start on 6 january 2004

• Completed work 2 december 2009

• Opened on4 january 2010

• Former names burj dubai

• It is mixed used type building

• Location- Sheikh Mohammed bin Rashid Boulevard

• It construction cost USD $1.5 billion

• Height 829.8 M (2,722 ft)

• Material- glass, aluminium, steel and reinforced concrete

• 163 floor level

• Floor area- 309,473 sq m(3,331,100 sq ft)

• Lift/elevator- 57

• Architect- adrian smith 

• Structure engineer-bill baker

• Developer - Emaar properties

• Main contractor- samsung C&T corporation, besix and arabtec

• The weight of concrete is equilent to 100,000 elephant

•  It has the longest single running elevator, which is 140 floors

• It go 10 m/s among the fastest on the world

• 12000 workers work per day

• 110000 tonne concrete use

• 55000 tonnes of steel bars

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