Green Roof Evaluation Project

Green Roof Evaluation Project

The Green Roof Evaluation Project (G.R.E.P.) was originally conceived of by local engineers Magnusson Klemencic Associates (MKA) as a means of quantifying the value of green roof systems in retaining stormwater. The study was composed of 5 green roof test plots at different locations within the city of Seattle. GGN was involved with the project as both an observer and consultant on plant health and selection and soil design. 



Location: Seattle, WA
Size: 5 Green Roofs
Completion Date: 2005-2006

Project Team

Magnusson Klemencic Associates, Engineer
GGN, Landscape Architect

Services Provided



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