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Old March 7th, 2010, 08:22 PM   #521
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I'm very impressed by how fast this building has grown!
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Old March 7th, 2010, 09:35 PM   #522
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wow, it's as good as topped out already. amazing speed!
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Old March 7th, 2010, 10:32 PM   #523
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http://www.energyboom.com/emerging/w...ing-soon-china

The World's Greenest Skyscraper Coming Soon to China
By Alison Pruitt on March 3, 2010

This fall a new skyscraper claiming to be the world’s greenest building will open in Guangzhou, China.

The 71-story, 2.3-million square-foot Pearl River Tower will be the most energy-efficient super-tall building ever built.

Pearl River Tower’s green features include a rainwater collection system which uses solar water to provide hot water for the building. But the building’s biggest claim to fame is that it will be the tallest Zero Energy Building (ZEB) in the world. ZEBs create more power than they pull from the energy grid – and many are able to sell excess energy to power companies. However, most true zero-energy buildings are small; Pearl River will be the first to face the challenges inherent in powering a large building.

Designed by the Chicago-based architecture firm SOM, the tower’s shape was optimized to take advantage of local solar and wind patterns. Pearl River is the first to incorporate wind turbines into the body of a building and the turbines are uniquely designed to operate at far lower wind speeds than most turbines. The turbines do more than generate electricity, though. The openings through which the wind flows help reduce the overall wind load on the skyscraper.

Photovoltaic panels in the building’s outer “skin” absorb and retain solar heat. However for most skyscrapers, cooling is a bigger problem than heating – and a greater expense. Pearl River is the largest radiant-cooled office building in the world, with raised floor ventilation, heat sinks, and vertical vents.

Throughout the building, solar panels supply power to window blinds that open automatically to let in sun and close to minimize solar heat when necessary. The exterior walls also contain an 8-inch gap. Thus, heat entering through the windows is trapped and rises to heat exchangers on upper floors. All of these features allowed the designers to install a heating system that is 80% smaller than in traditional skyscrapers.
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Old March 9th, 2010, 02:02 PM   #524
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open in fall?? is that possible?
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Old March 11th, 2010, 01:34 AM   #525
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March 10 by senlan










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More than 300 supertall projects on going in China.
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Old March 12th, 2010, 09:42 AM   #526
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Looks like this will be the next supertall to be topped out in China.
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Old March 13th, 2010, 02:28 AM   #527
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yeahhh boy thas sick
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Old March 13th, 2010, 02:28 AM   #528
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original and all. this is what you call innovative
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Old March 15th, 2010, 11:30 PM   #529
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By 臧否.


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Old March 16th, 2010, 05:30 AM   #530
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Cluster will really look nice after East tower is finished.
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Old March 17th, 2010, 09:40 PM   #531
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isnt this topped out now
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Old March 18th, 2010, 01:35 AM   #532
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Topped out. Pics by adada












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Old March 18th, 2010, 01:46 AM   #533
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That was crazy fast! Amazing..

Only a year and a half from street level to top out. Superb!

Last edited by spectre000; March 18th, 2010 at 04:08 AM. Reason: addt'l comment
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Old March 18th, 2010, 02:40 AM   #534
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Absolutely great pictures. One of the best updates yet.

Take a look at all the construction sites on the picture below. So many!

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Old March 18th, 2010, 07:53 AM   #535
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Nothing surprising this is Guangzhou
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Old March 19th, 2010, 12:58 AM   #536
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wow!this is exciting moment!
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Old March 19th, 2010, 03:10 AM   #537
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Excellent!
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Old March 19th, 2010, 05:44 PM   #538
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Amazing! Another icon for Guangzhou! I can't wait for the Pinnacle to top-out next to it eventually!
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Old March 19th, 2010, 07:16 PM   #539
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This is the 21st supertall in China.
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Old March 21st, 2010, 11:17 AM   #540
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Whoa! that was fast! I didn't expect it to be faster than the West Tower. wow!
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