The Burj Khalifa is the tallest manmade structure in the world, at 829.84 m (2,723 ft). It was featured in the movie “Mission Impossible Ghost Protocol”. The total cost for the project was about US$1.5 billion. It has a floor area of 309,473 m2 (3,331,100 sq ft). It cost $450 per square foot. Burj Khalifa can hold up to 35,000 people at any one time. A total of 57 elevators and 8 escalators are installed. The elevators have a capacity of 12 to 14 people per cabin, the fastest rising and descending at up to 18 m/s.
China’s Broad Group is building the Sky City One using factory mass production. It is to be completed January 2013 after 90 days of assembly and projected cost for the building is RMB 4 billion (US$628 million). Sky City will boast 220 floors, 1 million square meters (11 million square feet) of floor space and 104 elevators, according to the preliminary plans. It will cost $63 per square foot.
Reach for the sky: the world’s tallest buildings, once the 838-meter Sky City is completed, projected for January 2013.
More than 80% of the floor area will be devoted to housing for 174,000 people, with a hotel, school, hospital, offices, shops and restaurants taking up the remainder. The building would use up 200,000 tones of steel and be able to accommodate as many as 314,000 people at any given time, Broad said, adding that the official plans will be released around August.
The 92 story Trump International Hotel and Tower, also known as Trump Tower Chicago and locally as the Trump Tower, is a skyscraper condo-hotel in downtown Chicago, Illinois. It was built for $847 million and was completed in 2009 after 4 years of construction. Floor area is 2,600,000 square feet (240,000 m2). One fifth the area or less of the Sky City One plan. It cost $325 per square foot. Sky City should cost 5.6 times less.
Freedom tower in New York is expected to cost $3.8 billion and have a floor area of 3,501,274 sq ft (325,279 m2). This would be a cost of $1086 per square foot. The Sky City should be 17 times cheaper.
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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