The Sustainable Sites Initiative (SITES) has announced the first three projects to be certified by this comprehensive system for rating the sustainable design, construction, and maintenance of built landscapes. SITES is a partnership of the American Society of Landscape Architects (ASLA), the Lady Bird Johnson Wildflower Center of The University of Texas at Austin, and the United States Botanic Garden.
The initiative was created to fill a critical need for guidelines and recognition of green landscapes based on their planning, design, construction, and maintenance. Since 2005, the partners have collaborated in developing a voluntary, national rating system and set of performance benchmarks for sustainable landscapes in areas with or without buildings.
The first landscape projects to be certified by SITES are: a corporate headquarters of an international manufacturing company; a new university green space, and a children’s playground in an urban park. These are the first to be recognized for sustainable land practices from among 150-plus pilot projects that began the certification process in the summer of 2010.
The initial projects to be certified by SITES are: the St. Charles, MO, campus of Novus International Inc.; the Green at College Park of the University of Texas at Arlington; and the Woodland Discovery Playground at Shelby Farms Park in Memphis, TN.
The certified pilot projects are participating in a pilot program begun in June 2010 to test the four star rating system created by dozens of sustainability experts, scientists and design professionals. Projects selected to be pilots are at various stages of development and represent a diverse mix of project types, sizes, locations, and budgets.
The SITES rating system includes 15 prerequisites and 51 additional, flexible credits to choose from. The credit options, totaling 250 points, address areas such as the use of redeveloping brownfields or grayfields; soil restoration; water conservation; use of recycled materials and native vegetation; and sustainable construction and land maintenance approaches.
Certified pilot projects are recognized with one through four stars for obtaining 40%, 50%, 60%, or 80% of those 250 points. The Novus headquarters, the Green at College Park, and Woodland Discovery Playground SITES certified projects received a 3-star, 1-star, and 1-star rating respectively.
Among the features Novus developed with SWT Design and others for the nine acre headquarters was a parking lot with stormwater retention features, a walking trail that winds through restored prairie and other habitat, and a vegetable garden that staff maintains. The garden is fed by a windmill powered well that retrieves rainwater stored underground. A detention basin captures stormwater on site and provides aquatic habitat and a scenic view from a nearby pavilion topped with a vegetated roof.
“The innovation and analytical thinking of these first certified projects is helping point the way for the next iteration of the guidelines, which will form the basis for open certification in 2013,” said ASLA Executive Vice President and CEO Nancy Somerville.
The Green at College Park project leaders including Professor of Landscape Architecture David Hopman worked with Schrickel, Rollins and Associates Inc. to create an open lawn, pedestrian promenade, shade arbor, and more on roughly three acres in downtown Arlington.
The site had served mostly as a parking lot, with poor stormwater drainage that flooded a nearby creek. Now the green space sits next to Arlington’s first mixed use development, and features native and adapted plants in rain gardens and a water detention system that help slow down the flow of stormwater. That process cleanses the water of impurities and captures it for reuse on the green space’s new vegetation.
“Developing inviting outdoor spaces that make the most of precious resources such as water is critical to our future,” said Susan Rieff, executive director of the Lady Bird Johnson Wildflower Center. “These projects powerfully demonstrate how sustainably designed landscapes can produce environmental, economic and aesthetic benefits.”
The conservancy that oversees Shelby Farms Park developed the Woodland Discovery Playground with James Corner Field Operations and others to restore a woodland and promote children’s health. The 4.25 acre playground with tunnels, swings, and other amenities was developed based on current children’s play theories and after workshops with children and adults. It uses recycled athletic shoe material as a surface for several play areas and loose, recycled boot material as a soft landing under a playroom of nets and tree houses. The permeable surface material allows stormwater to soak into the ground to help nourish an arbor enhanced with native trees that surrounds and links playrooms within the space.
“The educational value of these pilot projects is significant. They demonstrate what a sustainable site looks and feels like and now serve as a model to others aspiring for sustainability in a designed landscape,” said Holly H. Shimizu, executive director of the United States Botanic Garden. “Having the first pilot projects certified solidifies years of work into something tangible that we hope will be replicated all around the country.”
SITES will continue to receive feedback from the SITES Certified Pilots and the remaining pilot projects until June 2012. These projects include private residences, streetscapes, industrial complexes, and other settings. Their input as well as the public’s will be used to finalize the rating system and reference guide, expected to be released widely in 2013.
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