CitiesGoGreen - January 2009 - (Page 29) High Performance Buildings and buried beneath parking lots and roadways for extensive stretches of its 15 miles, even as it drained more than 7,000 acres. The bridge was eliminated and today the portion of Thornton Creek on the KCSWD property is free of invasive plant species, planted with drought tolerant native plant species, and protected by a buffer zone with a discrete debris fence to promote effective litter control and interception of any wind-borne debris. City of Shoreline Facts Incorporated: 1852 Population: 53,000 Located in Puget Sound region of Washington State Size: 11.7 square miles Long history of a difficult site Prior to 1930 the site was harvested for timber. Between 1930 and 1960 it was used as the Corliss Landfill, later including a burn pit. Burn pits were used to reduce the volume of material being landfilled. The landfill became surrounded on three sides by single-family detached homes and an electrical substation. The original transfer station had a semienclosed metal roof structure housing two top-load bays. Reconstruction began in 2006 and included excavation and removal of 64,000 cubic yards of mixed municipal refuse deposited at the site prior to 1967. The materials excavated were characterized on site by an environmental scientist in a continuous process acceptable to the health department responsible for enforcing environmental compliance, and landfilled at another site in accordance with all applicable regulations. Portions of the completed facility are situated over landfill with depths in the range of 35 feet, and are supported by driven concrete pile foundations. Approximately half of the building is supported on conventional footings founded on undisturbed earth. Project Facts Project: Recycling and transfer station Location: City of Shoreline, WA, located in incorporated King County, WA Government agency/client: King County Department of Natural Resources and Parks Solid Waste Division. Serves solid waste and recycling needs for over 2.5 million residents and businesses, and under contract with several suburban cities. Primary consultant: KPG, Inc., Seattle and Tacoma, WA Developed site area: 8 acres Gross building area: 76,000 SF Sustainable site features: Stormwater filtration, water quality structures, Thornton Creek improvements and protection Throughput: 500 tons per day design capacity for mixed municipal solid waste Industrial equipment: 27-ton capacity, 200 HP, industrial pre-load solid waste compactor Project Awards and Recognition To date, the project team including KCSWD have enjoyed several prestigious awards, including: • 2008 Grand Award—Project of the Year— Northwest Construction Consumer Council (NWCCC) • 2008 Green Project of the Year— Northwest Construction Consumer Council (NWCCC) • 2008 National Innovation Award —Solid Waste Association of North America (SWANA) • 2007 AIA Seattle ‘What Makes it Green?’ 2008 Honorable Mention • 2007 Excellence in Building Green— King County Neighborhood priorities first KCSWD managers and KPG developed an intensive public involvement plan, as outlined in the 2003 facility master plan update. The goals expressed in the 2003 plan included addressing community and advocacy group concerns, and satisfying operational, environmental and regulatory requirements. KCSWD, assisted by KPG, first sought guidance from the neighborhood, concerned citizens and elected officials. Public meetings were held to discuss priorities and assess alternative designs. Often groups met at homes of concerned citizens, with KPG architects sketching design alternatives interactively with neigh- county-wide plan for solid waste management serving all county citizens and client municipal governments. Improvements included better vehicular circulation and a covered storage area for full solid waste transport trailers. A vehicle bridge had also been planned to span Thornton Creek, a native watercourse believed to have supported salmon and other fish protected in Washington. Thornton Creek had for decades been relegated to nuisance status, which resulted in it being conveyed in pipes January 2009 29 http://wmig.aiaseattle.org/node/107 http://wmig.aiaseattle.org/node/107 http://www.CitiesGoGreen.com
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