CHOP (Children's Hospital of Philadelphia) Buerger Center - Project of the Week 1/16/17

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The renowned Children's Hospital of Philadelphia, or CHOP, was founded in 1855 as the U.S.'s first pediatric hospital. Built in 2015 and designed by Pelli Clarke Pelli Architects, FKP as Architect of Record, and Nelson Byrd Woltz Landscape Architects, the LEED Silver Buerger Center for Advanced Pediatric Care at CHOP revolutionizes care for children, standing as the nation’s most state-of-the-art facility for outpatient medicine. The curving, colorful exterior is stacked to create an undulating, playful form and features two intensive greenroofs: the 3-acre Buerger Plaza garden at ground level (with a five-level underground parking garage below), and an innovative new multi-purpose rooftop garden crowning the six-story wing that provides therapeutic activities and a respite from the hospital. In addition, small structures on the both the Plaza and the Sixth Floor are topped with extensive greenroofs.

Turner Construction performed one of the largest excavations of its kind in the city and built the largest green roof in Philadelphia, the sprawling 3-acre landscaped plaza. The greenroof plaza incorporates 166 trees, over 3,600 shrubs and 16,000 flowering perennials as well as four separate water fountains and informal lawns. Roofmeadow designed the profiles for both the Plaza and the Sixth Floor with assemblies ranging from 7.00 - 53.00 inches of media and sub-surface irrigation. This garden provides horticultural therapy within its winding paths, large shade trees, and meadows. In addition to its colorful vegetation, amenities include seating, a pergola, and playful fountain. Both greenroofs were created using rooflite® green roof growing media. Approximately 6,700 cubic yards were used in total between three products to mimic and improve upon natural soil horizons: rooflite Intensive; rooflite Intensive Base; and rooflite Drain. Providing a stunning addition to the skyline of west Philadelphia, the CHOP Buerger Center for Advanced Pediatric Care is a perfect example of combining various types of greenroofs to create a varied and lush urban landscape above structure while offering a positive and holistic medical experience.