Engineering firm earns National Grand Award for major filtration project

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LOVES PARK, IL, June 13, 2014 -- One of eight National Grand Awards, presented at the American Council of Engineering Companies of Texas (ACEC) National Awards Gala in Washington D.C., on Saturday, March 29, was given to CP&Y -- a consulting firm offering services in environmental, transportation, transit, aviation, and specialty engineering -- for its work on the San Antonio Water System's (SAWS) Dos Rios Water Recycling Center Tertiary Filters Project.

The Engineering Excellence Awards Competition has been held by the ACEC since 1975 to honor and recognize outstanding achievements within the engineering community. The distinguished panel of judges from around the state selected 11 Gold Medal and six Silver Medal winning projects from 21 entries based on uniqueness, originality, technical value to the engineering profession, complexity, and how successfully the project met the needs of the client.

San Antonio Water System's Dos Rios Water Recycling Center Tertiary Filters Project. (Photo credit: Aqua-Aerobic)

SAWS sought to double capacity and replace existing tertiary filters at the Dos Rios Water Recycling Center, but conventional expansion was inefficient and costly. To reduce costs, CP&Y was able to adapt more efficient cloth media technology into the existing structure, doubling capacity within the same footprint by using the AquaDiamond® cloth media filter from Aqua-Aerobic Systems, Inc.

The filter combines two proven technologies: traveling bridge and cloth media filters. The result is two to three times the flow capacity of a traveling bridge filter within an equivalent footprint. Likewise, this new design saves over $40 million and reduces water usage by 130 billion gallons over the life of the project.

The Dos Rios Water Recycling Center is at the heart of the nation's largest direct recycle water delivery system, and filtration is the single most critical step before recycling. The sustainable and unique approach makes the project the first-of its-kind and will aid other utilities in retrofitting similar facilities, with potential savings in the hundreds of millions of dollars. Further, the Center is now the world's largest diamond cloth media filter installation and the first to retrofit using a front-to-back arrangement.

See also: "AquaDiamond Cloth Media Filter Operation"

About Aqua-Aerobic Systems, Inc.

Aqua-Aerobic's treatment solutions include aeration and mixing, biological processes, filtration systems, controls systems, membranes and aftermarket products. Further, the company's technologies meet or exceed the most stringent effluent requirements of today and are designed to accommodate changing effluent demands of tomorrow. For more information, visit


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