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Onondaga Lake Cleanup - Sevenson's Cutterhead Dredge

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Published on Oct 3, 2014

A look at the largest of the three Sevenson dredges being used in the cleanup of Onondaga Lake, NY. This particular cutterhead dredge has a 1,000 horsepower pump and is pumping approximately 55 gallons per minute at 25-30 RPM.

Running 6 days a week, 24 hours a day and under supervision of New York State's Department of Environmental Conservation (NYSDEC) the Sevenson dredging team will remove roughly 2 million cubic yards of material and is expected to complete dredging by the end of 2014 (1 year ahead of schedule).

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