Duke University Medical Center
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Duke University Medical Center; Photo Courtesy of Xero Flor AmericaProject Name: Duke University Medical Center
Year: 2008
Owner: Duke University Health System
Location: Durham, NC, USA
Building Type: Healthcare
Type: Extensive, Test/Research
System: Single Source Provider
Size: 5972 sq.ft.
Slope: 1%
Access: Accessible, Open to Public
Submitted by: Greenroofs.com

Designers/Manufacturers of Record:
Greenroof Designer: Tim Pennigar, Duke University Medical Center
Greenroof System: XF301+1 1/2″XT, Xero Flor America
Duke University Medical Center; Photo Courtesy of Xero Flor AmericaDuke University Medical Center; Photo Courtesy of Xero Flor AmericaDuke University Medical Center; Photo Courtesy of DukeHealth.org
Located at lobby-level, the Duke University Hospital greenroof was completed in July, 2008 and has applied for LEED Silver Certification. With several test plots/sites for greenroof plants and mosses, the courtyard also includes other green features such as "adaptive design" and stormwater harvesting.

Duke University Medical Center received the Greater Triangle Stewardship Development Award in 2012 for "renovation of an institutional concrete patio into a greener space for recreation and contemplation received an Honorable Mention for Integration with the Community," (Greater Triangle Stewardship Development Awards).
Duke University Medical Center; Photo Courtesy of Xero Flor AmericaDuke University Medical Center; Photo Courtesy of DukeHealth.org
"In 2008, a 21st century garden was installed on the roof of the lecture halls at the entrance to Duke University Hospital. The carpet of green isnít grass, but sedum -- tiny succulent plants that store water.The new vegetative roof is an experiment aiming to show how innovating thinking with plants can prevent pollution, regulate runoff, and conserve energy. But it will also provide to patients and staff a view of nature from windows on higher floors. In the summer, the sedum will flower. And in fall, amid the stone, steel, and glass of the hospital, Pennigar promises, it will turn an autumnal, fiery red, (DukeHealth.org, 2008).

The sedum vegetation on the hospital roof was pre-cultivated on a carrier mat at a production farm in upstate New York provided by Xero Flor America. The growing media consists of mostly expanded slate and sand with about 10 percent organic material. Eight or nine different sedum species are visible on the hospital roof. Some of the greenroof plants include Sedum ellacombianum, S. floriferum "Weihenstephaner Gold," and S. pulchellum.

See these other Duke University living roof profiles in The Greenroof & Greenwall Projects Database: Duke University Cancer Center; Duke University Marguerite Kent Repass Ocean Conservation Center (OCC) and Duke Smart Home (The Home Depot Smart Home).

Additional thumbnail photos:

Duke University Medical Center; Photo Courtesy of Xero Flor AmericaDuke University Medical Center; Photo Courtesy of DukeHealth.orgDuke University Medical Center; Photo Courtesy of DukeHealth.org
Duke University Medical Center is located at 2301 Erwin Road; Durham, NC 27710; visit their Green Roof page and read about Dukeís green building initiatives: Duke Sustainability Program. See the profile from Xero Flor America. Read the August 2013 Duke Medicine Going Green with Roofing from Todayís Facility Manager and see these articles by Michael Gowan from DukeHealth.org: May 15, 2009 Slideshow: Duke University Hospital's Green Roof and June 11, 2008 A Healing Garden.

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