INCREDIABLE STRUCTURES

In the series of incrediable structure firstly I start with Burj Khalifa as explained below

Record height
Former names	Burj Dubai
Tallest in the world since 2008^[I]
Preceded by	Taipei 101
General information
Status	Complete
Type	Mixed-use
Architectural style	Neo-futurism
Location	1 Sheikh Mohammed bin Rashid Boulevard, Dubai, United Arab Emirates

Construction started	6 January 2004
Completed	Intended: September 2008; Revised: 2 December 2009^[1]
Opened	4 January 2010^[2]
Cost	USD $ 1.5 billion^[3]
Height
Architectural	828 m (2,717 ft)^[4]
Tip	829.8 m (2,722 ft)^[4]
Roof	828 m (2,717 ft)
Top floor	584.5 m (1,918 ft) (Level 259)^[4]
Observatory	555.7 m (1,823 ft) (Level 148)^[4]
Technical details
Material	Glass, steel, aluminium, reinforced concrete
Floor count	163 above ground. 154 usable floors^[4]^[5] plus 9 maintenance levels (46 spire levels)^[6] and 2 below-ground parking levels
Floor area	309,473 m² (3,331,100 sq ft)^[4]
Lifts/elevators	57 (55 single deck and 2 double deck), made by Otis Elevator Company
Design and construction
Architect	Adrian Smith at SOM
Developer	Emaar Properties^[4]
Structural engineer	Bill Baker at SOM^[7]
Main contractor	Samsung C&T Corporation, Besix and Arabtec Supervision Consultant Engineer & Architect of Record Hyder Consulting Construction Project Manager Turner Construction Grocon^[8] Planning Bauer AG and Middle East Foundations^[8] Lift contractor Otis^[8] VT consultant Lerch Bates^[8]