Approval for Full Scale Wet Dredge at Ashland Project

U.S. Environmental Protection Agency (EPA) and Wisconsin Department of Natural Resources have given their final approval for full scale wet dredge for the Ashland Project.

The announcement was made by the Northern States Power Company, an Xcel Energy company, who said that the final approval for a full scale wet dredge of impacted sediments at the Ashland Project Site was issued last week by the two agencies.

In its Explanation of Significant Differences, the EPA has updated the 2010 Record of Decision to allow wet dredging of all impacted sediments at the site.

The ROD put in place the cleanup approaches for the site and identified a “hybrid” approach using dry dredge technology to remediate near-shore sediments and wet dredge technology to remediate the offshore sediments.

As an alternative, the ROD permitted a wet dredge to be used for both the offshore and near shore sediments upon successful completion of a pilot study and EPA approval in consultation with the WDNR.

This year’s pilot study showed that wet dredging can be successfully conducted in a manner protective of human health and the environment,” said David Donovan, project manager, NSP-Wisconsin. “We learned a great deal from the pilot study and will use that information as we prepare for the full scale wet dredge.”

Crews have already begun work on preparing the site and we will begin ordering materials upon approval of the final design,” Donovan said. “Throughout the year we will be working closely with the local community and the city with the goal to finish the dredging work in 2017 and restoration work in 2018.”

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews ( holds a traditional annual Congress “Hydraulic Engineering Structures and Dredging” in Moscow. 

The two-day Congress includes the 7th International Forum of Dredging Companies and the 3rd Technical Conference “Modern Solutions for Hydraulic Engineering”.

Infrastructure development is among the real sources of Russia’s economy growth. Construction of port facilities and new hydraulic engineering structures on the country’s inland waterways constitute an essential part of all infrastructure projects. It is important to take into account the best international practices to implement these projects effectively.

The program of the Congress will be devoted to the latest technologies for dredging and hydraulic engineering works. Speakers and delegates will refer to real projects to discuss specifics features of dredging works, as well as dedicated fleet and equipment involved.

To learn more about event, please, contact the organizing committee:

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