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Case Studies
Howard Hughes Medical Center Janelia Farm Research Campus Roofmeadow® Type IV: Meadow 1 Irrigation: Optigrün® base-level trickle irrigation (partial) Size: 230,000 square feet Owner: Howard Hughes Medical Institute Location: Dulles, VA Roofscapes Contractor: Chapel Valley Landscape Architect: Raphael Vinoly General Contractor: Turner Construction Owner's Representative: Mark Winkler Co. Project Manager: Jacobs Facilities Status: In progress Distinguishing Features: This 230,000 square foot Roofscapes-designed green roof will sit atop the new HHMI research campus designed by Raphael Vinoly Architects. The sweeping, curvilinear earth-sheltered building supports a large Roofmeadow® Type IV: Meadow 1 with a variety of meadow plants. Twenty-two courtyards, irrigated from below using the efficient Optigreen (Optigrün)® base-level trickle irrigation system, support perennials for the passive recreation of the research staff. Installation of the green roof began in late summer 2004. When completed, this green roof will be the largest green roof in North America after the Ford River Rouge plant.
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