People parking their cars inside the new Research Drive garage at Duke University are making history—they’re utilizing the country’s first freestanding LEED-certified parking structure. The Raleigh, N.C., studio of RATIO Architects and Chicago-based Walker Parking Consultants garnered 31 LEED points for the 1,900-car facility by incorporating such sustainable elements as water cisterns for stormwater collection, rain gardens, a plant trellis on the roof, LED lighting, local and recycled building materials, and a revenue control system that quickly processes vehicles, thereby reducing wasteful idling. The $35 million, seven-story structure is constructed of cast-in-place, post-tensioned concrete, Duke stone, and terra cotta wall tiles.
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