USA. Coon Rapids Dam Wins Third Engineering Award

Saturday, 30 April 2016

The transformation of the Coon Rapids Dam into a physical barrier against the migration of Invasive Carp received the 2016 Exceptional Engineering Award from the Minnesota Society of Professional Engineers (MSPE). The $16 million rehabilitation was designed by Stanley Consultants, a global consulting engineering firm with decades of experience at Coon Rapids Dam. The award was presented by Mary Detloff, Executive Director of the Minnesota Society of Professional Engineers, at the April Board of Commissioners Meeting of the Three Rivers Park District.

Awarded for the first time, the MSPE Exceptional Engineering Award recognizes the project for its exceptional engineering, including new/advanced engineering techniques; project impact on the public’s health, safety and welfare; and economic benefit. This award joins a Grand Award from the American Council of Engineering Companies of Minnesota, and a National Recognition Award from the American Council of Engineering Companies.

Coon Rapids Dam is located on the Mississippi River in Brooklyn Park and Coon Rapids, Minnesota. Owned and operated by the Three Rivers Park District, the dam is Minnesota’s primary fortification against the upstream migration of Invasive Carp. The project was funded with a $16 million appropriation from Minnesota State Legislature to the Minnesota DNR.

The dam was rehabilitated into a physical barrier that prevents fish from swimming or jumping past the dam into the upstream pool. A new full-operation, top discharging steel crest gate system maximizes the elevation difference between the upstream and downstream water levels. The greater the distance the more effective the fish barrier.

The gates maintain precise upstream water levels while maximizing the height between upstream and downstream water levels. Nine gates installed along the length of the 1,000-foot-long dam allow more water to pass during high flows with minimal gate lowering.

“The Coon Rapids Dam rehabilitation project is one of the largest infrastructure projects that has been constructed by the Minnesota DNR,” said Kim W. Waldorf, Minnesota DNR Project Manager. “It’s probably the most economical project we could have done, considering that the dam and gates should have a longevity of approximately 50 years.”

About Stanley Consultants: Founded in 1913, Stanley Consultants is a global consulting engineering firm that provides program management, planning, engineering, environmental and construction services worldwide. Recognized for its commitment to client service and a passion to make a difference, Stanley Consultants brings global knowledge, experience and capabilities to serve clients in the energy, water, transportation and Federal markets. Since 1913, Stanley Consultants has successfully completed more than 25,000 engagements in all 50 states, U.S. territories, and in 110 countries. For more information on Stanley Consultants, please visit

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Last Updated ( Saturday, 30 April 2016 )