Eco-friendly office buildings aren't exactly unheard of, but we can't recall seeing anything matching the scale of this skyscraper Hao Ko and his associates at Gensler have designed for PNC Bank. Excavation work has already begun in Pittsburgh, the home of this "breathable" building that will feature a sophisticated double-skin ventilation system allowing fresh air to be pulled in and dispersed throughout its 33 floors — at least when local northeast weather permits it. A solar chimney will pull stale, warm air out of the tower. Preserving natural light was also a key design focus, with Ko and his colleagues laying out the building so that over 90 percent of floorspace would be covered by the sun's rays.
But the connection to...
via The Verge - All Posts http://www.theverge.com/2012/12/22/3795470/pnc-new-pittsburgh-headquarters-a-skyscraper-that-breathes
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