Massachusetts DOT Seeks Permit to Dredge in Cohasset Narrows

The Massachusetts Department of Transportation – Highway Division is seeking a permit from the USACE, New England District, to conduct work in waters of the U.S. in conjunction with dredging in Cohasset Narrows.

The proposed work involves the dredging of 1,341 cubic yards of material over a 33,791-square-foot area across four separate locations within the Cohasset Narrows, adjacent to the new William H. Dalton Memorial Bridge in Bourne and Wareham, Mass.

MassDOT is proposing to dredge these locations in order to remove accumulated sediment that may have resulted from contractor means and methods used during construction of the new bridge, and return these areas to their pre-bridge construction conditions.

Dredging will be performed by an excavator with a hydraulic clamshell bucket, supported on a work platform consisting of sectional floats pinned together. Sediment will be dewatered on a scow barge supported by spud piles, and then transferred to an upland disposal site.

All dredging work will be conducted behind a silt boom and curtain.

This project will impact approximately 0.8 acre of Essential Fish Habitat (EFH) for various species and life stages. This habitat consists primarily of sandy substrate. Loss of this habitat may adversely affect these species.

The Corps has made a preliminary determination that the site-specific adverse effect will not be substantial.

Further consultation with the National Marine Fisheries Service regarding EFH conservation recommendations is being conducted and will be concluded prior to the final permit decision.

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews (www.portnews.ru) 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: snitko@portnews.ru

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