Grand Rapids, Michigan

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Grand Rapids, Michigan

Grand Rapids, Michigan

“The proof is in the pudding,” but in this case it was in the concrete. Even sewer systems in the upper Midwest experience corrosion in sanitary sewer systems and Grand Rapids, Michigan is no exception. The City wanted to determine what could be done to protect concrete pipe and manholes in its sewer system from corrosion generated by hydrogen sulfide gas.

With the cooperation of Premarc Industries, a local precaster, the City had a test manhole installed in August 1999 on a highly corrosive sanitary sewer line to evaluate different products by direct comparison.

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