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CH2M Hill won an award from the Design-Build Institute of America for its design of an 8000-gallon-per-day, zero-discharge wastewater system at Frank Lloyd Wright's Fallingwater. Photo: Jeffrey Howe

The Design-Build Institute of America has announced the winners of its 2005 National Design-Build Awards competition. The contest is designed to recognize projects that promote the effectiveness of design-build delivery.

The winning projects include Falling-water Wastewater Pumping, Treatment, and Reuse Systems at Frank Lloyd Wright's architectural masterpiece Fallingwater in Bear Run, Pa. This project—owned by the Western Pennsylvania Conservancy and engineered by Denver-based CH2M Hill—received an award for water projects less than $15 million. The engineering firm designed a 8000-gallon-per-day, environmentally sound wastewater system based on a zero-discharge concept. For more information or a complete list of winning projects, visit www.dbia.org.