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US Army Corps of Engineers Unveils New LEED Gold Headquarters in Seattle
Posted By Taz Loomans On November 29, 2012 @ 10:38 am In Architecture,carousel showcase,energy efficiency,gallery,Sustainable Building | No Comments
Already on its way to achieving an Energy Star Score of 100, the Federal Center South Building will use one-fifth of the energy used by other air-conditioned buildings in the region. This is partly due to the geothermal energy  harvested from deep structural piles and partly due to a phase-change thermal storage tank coupled with a ground-loop heat exchanger to capture and reuse thermal energy. The floor plan is U-shaped with an atrium in the center, which allows 90% of the building to be daylit. This, coupled with high-efficiency lighting is a big part of its long-term energy-efficient operation. The building also uses 100 percent outside air, underfloor ventilation and heat recovery optimized via the atrium.
Besides energy efficiency, USACE and the design-build team employed other strategies to achieve a LEED Gold rating, ones they hope will push them over the top to a Platinum rating. They restored half of the 46-acre site from the original paved surfaces to permeable green spaces, allowing for greener storm water management  and reduced Urban Heat Island effect. They used 300,000 board feet of reclaimed structural timber and decking from the old warehouse in the new building. And they installed a 25,000 gallon cistern collects rainwater from the rooftop and provides water for flushing toilets and irrigation.
This new headquarters for the USACE was funded by the 2009 American Recovery and Reinvestment Act and is part of the US General Service Administration’s  Design Excellence program to promote sustainability, help communities and advance a clean energy economy.
+ ZGF Architects 
+ USACE 
Via Clean Technica 
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URL to article: http://inhabitat.com/us-army-corps-of-engineers-unveils-new-leed-gold-headquarters-in-seattle/
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 Email: mailto:?subject=http://inhabitat.com/us-army-corps-of-engineers-unveils-new-leed-gold-headquarters-in-seattle/
 U.S. Army Corp of Engineers: http://www.usace.army.mil/
 ZGF Architects: http://www.zgf.com
 Sellen Construction: http://inhabitat.comwww.sellen.com/
 Image: http://inhabitat.com/us-army-corps-of-engineers-unveils-new-leed-gold-headquarters-in-seattle/usace-seattle-hw-zgf-architects-4/
 geothermal energy: http://inhabitat.com/solar-and-geothermal-powered-guthrie-green-park-replaces-an-old-truck-loading-facility-in-tulsa/
 greener storm water management: http://inhabitat.com/santa-monicas-garden-garden-project-quantifies-the-benefits-of-sustainable-building/
 US General Service Administration’s: http://www.gsa.gov/portal/category/100000
 + ZGF Architects: http://www.zgf.com/portfolio/
 Clean Technica: http://cleantechnica.com/2012/11/27/army-corps-of-engineers-gets-leed-office-building/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+IM-cleantechnica+%28CleanTechnica%29&utm_content=Google+Reader
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