BURJ DUBAI world’s tallest building Certified by : Council on Tall Buildings and Urban Habitat ( CTBUH) Location : 1 Sheikh Mohammed bin Rashid Boulevard, Dubai United Arab Emirates project manager : Greg Sang Construction started : 6 th January 2004 Completed : 30 th December 2009 Opening : 4 th January 2010 Cost : USD$ 1.5 billion Architectural style : Neo-futurism Website : www.burjkhalifa.ae
Height and technical details Architectural : 828m [2717 ft ] Tip : 829.8m [2722 ft ] Roof : 828m [2717 ft ] Top floor : 584.5m [1918 ft ] Observatory : 555.7m [1823 ft ] Floor count : 154 usable floors, 9 maintenance levels, 46 spire levels, and 2 below ground parking levels. Floor area : 3,09,473m [3,331,100 sq ft] Lifts/ elevators : 57 [ 55 single deck and 2 double deck]
DESIGN AND CONSTRUCTION Architect : Adrian Smith Developer : Emaar properties Structural engineer : Bill Baker Main contractors : Samsung Engineering and Construction Company,Besix and Arabtec . construction project manager Turner construction Grocon , Planning Middle East Foundation, Lift contractor Otis
objectives World’s tallest structure that includes residential space World’s highest observation deck ( 148 th floor) World’s highest outdoor observation deck ( 124 th floor) World’s highest installation of aluminium and glass façade World’s highest night club (144 th floor) World’s highest restaurant (122th floor) World’s highest new year display of fireworks Tallest skyscraper Building with most floors :163 World’s longest travel distance elevators Building with world’s highest occupied floor Highest vertical concrete pumping
Night club
Restaurant
Budget In March 2009 , Mohammed Ali Alabbar , chairman of the project’s developer , Emaar Properties ,said office space pricing at Burj Khalifa reached US$4000 per sq.ft and the Armani Residences ,also in Burj Khalifa sold For US$3500 per sq.ft . He estimated the total cost for the project to be about US$1.5 billion
period of construction January 2004 : Excavation commences February 2004 : Piling starts 21 September 2004 : Emaar contractors began construction March 2005 : Structure of Burj Khalifa starts rising. June 2006 : Level 50 is reached February 2007 : passes the Sears Tower as the building with the most floors. 13 th May 2007 : Reached 130 th floors
1 st September 2008 : Height tops 688m,surpassing the previous record holder Warsaw Radio Mast , Poland. 1 st October 2009 : Exterior of the building completed. 4 th January 2010 : Burj Khalifa’s official launch ceremony and it opened. 4 th january 2010 : Burj Dubai was renamed as Burj Khalifa in the honour of president of UAE and the ruler of Abu Dhabi , Sheik Khalifa bin Zayed al Nahyan 10 th March 2010 : Certifies Burj Khalifa as world’s Tallest Building.
RESOURCES The primary structure is reinforced concrete . Super high pressure trailer concrete pump . Used 330,000m cube,55000 tones of steel rebar. 22 million man-hours . 3 tower cranes were used during the construction of upper most levels ,each capable of lifting 25 tonne load. The remaining structure is constructed of lighter steel . A high density , low permeability concrete was used in the foundation A cathodic protection system is used to minimize any detrimental effects from corrosive chemicals in local ground water. It is highly compartmentalised with air –conditioned floors
Construction method and technology The Burj Dubai Tower utilizes the latest advancements in construction techniques and material technology. The walls are formed using Doka’s SKE 100 automatic self climbing formwork system. The cranes have been specially modified to be able to lift the extreme lengths of cable required. High speed ,high capacity construction hoists were used to transport the workers and materials to the working place. An extensive program of wind tunnel tests and other studies were under taken by the wind tunnel consultant. A specialized GPS monitoring system has been developed to monitor the verticality of the structure.