KBR Building Group Office Project for DuPont at Chestnut Run Complex Earns LEED Gold Certification - Building 730 Utilizes Many DuPont Products
July 11, 2013

Another KBR Building Group project has been certified by the U.S. Green Building Council for use of environmentally friendly practices and materials. DuPont's "Building 730," a five-story, award-winning office facility constructed by KBR Building Group at DuPont’s Chestnut Run complex near Wilmington (DE), was certified LEED Gold last month. An official plaque signifying the facility's status as an environmentally sustainable building is now prominently displayed in the lobby.

A primary design objective for architect of record, KlingStubbins, was to create a flexible office building that is high-performing, technologically advanced and cost effective, with enhanced energy and environmental performance. To maintain flexibility, the structural steel building utilizes an open floor-space design that includes raised floors and under-floor air distribution, and demountable partitions.

Special features include a “green roof” featuring 30,000 plants to minimize stormwater runoff. Solar panels and automated shades keep the sun out and large windows provide natural lighting. The parking garage includes six plugs for electric vehicles. (Employees have free access.) Close to half of the wood-based materials used in the building are from forests designated as sustainable.

Interestingly, DuPont's own materials were used throughout the building. One example is the Sorona® renewable carpet fiber; another, is the titanium dioxide used for the whiteness of the roof, which reflects the sun. The company’s own Tyvek® keeps out air and water for energy efficiency.

KBR Building Group’s scope of work included site infrastructure items such as utilities, parking and walking paths, as well as a new picnic pavilion (Building 731) for on-site company events. Our team is currently nearing completion of similar office building adjacent to Building 730. Scheduled for completion this summer, Building 735 is also expected to achieve LEED Gold status. In total, Buildings 730 and 735 will accommodate about 1,500 DuPont employees.

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