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Burj Dubai - Tallest Building in the World

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The Burj Dubai is a supertall skyscraper currently under construction in Dubai, United Arab Emirates. The lead architect is Adrian Smith formerly of the Chicago office of Skidmore, Owings and Merrill and now partner in the firm Adrian Smith + Gordon Gill Architecture. Its final height is officially being kept a secret due to competition; however, figures released by a contractor on the project have suggested a height of around 808 metres (2651 feet).


Based on this height, the total number of habitable floors is expected to be around 162. However, on the project's official website, an interior graphic of an elevator panel shows floor numbers up to 195. A more recent article by building subcontractor Persian Gulf Extrusions states a final height "over 940 metres" or at least 3084 feet,but this has not yet been confirmed by Emaar.


This new figure is 24 metres higher than the final height rumoured on burjdubaiskyscraper.com. Another source, from dubaimegaprojects.com reported an estimated final height of 1011 metres and a floor count of 216 floors.




Architect - Skidmore, Owings & Merrill LLP
Developer - EMAAR Properties
Contractor - Samsung Constructions / BESIX / Arabtec
Construction - Steel Re-enforced Concrete / Steel Spire
Rendering - UV Solar Glass / Aluminium / Stainless Steel
Volume - 517,240 sq/m est
Floors - 216 est
Height - 1011m est
Completion due - June 2009


Video Case Study: The Burj Dubai


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What is Burj Dubai?

What's at Burj Dubai?

Currently under construction - Burj Dubai is set to be the most prestigeous square mile of real estate on the planet! At its centrepiece stands the iconic Burj Dubai Tower, set to be the worlds tallest building upon completion in September 2009. This mammoth structure will be mostly residential; but will also be home to the worlds highest observation deck at a vertigo inducing 517m high, as well as the worlds first 6 star rated Armarni Hotel. Shadowed by the tower itself, across a massive man made lake will be home to the 'Supertall' Lake Hotel, the worlds largest ever shopping mall, over 70 highrise buildings and a beautiful 'old town' style village. All of the following will be finished by the end of 2009.

Current records

  • Tallest structure: 818 m (2,684 ft) (previously KVLY-TV mast - 628.8 m (2,063 ft))
  • Tallest freestanding structure: 818 m (2,684 ft) (previously CN Tower - 553.3 m (1,815 ft))
  • Building with most floors: 160 (previously World Trade Center - 110)
  • World's highest elevator installation

  • Worlds fastest elevators at speed of 64 km/h or 18 m/s (59 ft/s)[23] (previously Taipei 101 – 16.83 m/s)

  • Highest vertical concrete pumping (for a building): 601 m (1,972 ft) (previously Taipei 101 - 449.2 m (1,474 ft))

  • Highest vertical concrete pumping (for any construction): 601 m (1,972 ft)[24] (previously Riva del Garda Hydroelectric Power Plant - 532 m (1,745 ft)

  • The first world's tallest structure in history to include residential space

Note: Additional records for tallest skyscraper are considered unofficial. On 20 July

2007, the head of the Council on Tall Buildings and Urban Habitat (CTBUH), Antony Wood, said "We will not classify it as a building until it is complete, clad and at least

partially open for business to avoid things like the Ryungyong [sic] project. Taipei 101 is thus officially the world's tallest until that happens."

Timeline

  • 21 September 2004: Emaar contractors begin construction

  • February 2007: Surpasses the Sears Tower (since renamed to the Willis Tower) as the building with the most floors.

  • 13 May 2007: Sets record for vertical concrete pumping on any building at 452 m (1,483 ft), surpassing the 449.2 m (1,474 ft) to which concrete was pumped during the 

    construction of Taipei 101.

  • 21 July 2007: Surpasses Taipei 101, whose height of 509.2 m (1,671 ft) made it the world’s tallest building.

  • 12 August 2007: Surpasses the Sears Tower (Willis Tower) antenna, which stands 527.3 m (1,730 ft).

  • 3 September 2007: Becomes the second-tallest freestanding structure, surpassing the 540 m (1,772 ft) Ostankino Tower in Moscow.

  • 12 September 2007: At 555.3 m (1,822 ft), becomes the world's tallest freestanding structure, surpassing the CN Tower in Toronto.

  • 7 April 2008: At 629 m (2,064 ft), surpasses the KVLY-TV Mast to become the tallest man-made structure.

  • 17 June 2008: Emaar announces that Burj Dubai's height is over 636 m (2,087 ft) and that its final height will not be given until it is completed in September 2009.

  • 1 September 2008: Height tops 688 m (2,257 ft), making it the tallest man-made structure ever built, surpassing the previous record-holder, the Warsaw Radio Mast in 

    Konstantynów, Poland.

  • 17 January 2009: Topped out at 818 m (2,684 ft).

  • 1 October 2009: Emaar announces that the exterior of the building is completed.


Did You Know ?


  • Ten cranes and the world's fastest high-capacity constuction hoists - with a speed of upto 2m/sec (120m/min) are used to move men and material.

  • The building service/fireman's elevator will have a capacity of 5,500kg and will be theworld's tallest service elevator.

  • Burj Dubai will be the first mega-high rise in which certaib elevators will be programmedto permit controlled evacuation for certain fire or security events.

  • Parts of the tower reach upwards in a helical shape, with terraces, there are 26 intotal.

  • The Burj Dubai's observatory Elevators(double deck cabs) have a capacity for 21 personson each deck and will have the world's longest travel distance from lowest to highest stop.This Elevators will travel at 10 m/sec.

  • The Burj Dubai observation deck located 442 meters above groubd will be the highestpublicly accessible observation deck in the world.

  • The curtain wall of the Burj Dubai will be equivalent to 17 football(soccer) fields or 25American football fields.

  • The tower's peak electricity demand is estimated at 36 mVA, equivalent to roughly 360,000100-watt light bulbs all operating at the same time.

  • There will be 200 meters of spectacular dancing fountains at the foot of the BurjDubai.

  • When Completed, Burj Dubai will be the tallest building in the world in all fourcategories recognized by the Council on Tall Buildings and Urban Habitat(CTBUH), which compiles and ranks the world's tallest buildings.
  • The tower will house one of the first armani hotels.
  • Samsung Corporation from South Korea is the main building contractor.
  • The tip of the spire can be seen by a person 95 km (60 miles) away.
  • At the peak cooling times, the tower will require approximately 10,000 tons of cooling per hour, which is equivalent to the capacity provided by 10,000 tons (22.4 million ibs or 10.2 million kg) of melting ice in one day.

  • Burj Dubai will contain the world's highest elevator installation.
  • The amount of rebar used for the tower is 31,400 metric tons - laid end to end this would extend over a quarter of the way around the world.
  • The Burj Dubai's water system will supply an average of about 946,000 liters (250,000 gallons) of water per day.
 

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