ZGF designed the 209,000 SF regional headquarters for the U.S. Army Corps of Engineers. Delivered design/build, the high performance building provides the Corps with a 21st century workplace environment bathed in natural daylight. The concept—the Oxbow—features a narrow office bar bent around a central shared atrium called the commons. The open plan office layout provides the greatest amount of flexibility for teams to grow and shrink and the commons—where all the conference rooms and shared services are located at the core of the building—compels users to come together. The design integrates active and passive systems, materials and strategies to achieve aggressive water and energy saving requirements without sacrificing comfort or amenity. Optimized mechanical systems feature chilled beams, heat recovery and phase-change thermal energy storage. The reclamation of 200,000 board feet of timber from a warehouse previously located on the site provides a dramatic interior environment. The LEED Platinum® building is performing in the top 1 percent of similar-sized office buildings in the U.S. with an EUI of 25 kBTU/SF/yr and an Energy Star score of 99—meeting the 2030 Challenge.

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