Hearst Building, New York City
Norman Foster & Partners
Come summer 2006, Manhattan will have a new "green" wonder: Hearst Corporation's new 46-story headquarters. The structure's grid-like frame requires 20% less steel than would be used for a similar conventional perimeter frame. Sensors will control lighting, dimming or turning off interior electric lights when natural light is available.
For most of the year, a state-of-the art HVAC system will use outdoor air for cooling and ventilation. As a result, the energy used and carbon dioxide emissions will be slashed to 22% less than an average office building of a comparable size in New York. The tower is so environmentally friendly, it is expected to receive a Gold Leadership in Energy & Environmental Design (LEED) rating from the U.S. Green Building Council.
Norman Foster & Partners designed the expansion so that it appears to be "floating" above its historical base -- the six-story landmark building that was
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