Narrow River Restoration Scheme Moves Ahead

Work has been ongoing since December 1 along the Narrow River as part of the salt marsh restoration and elevation pilot scheme, State of Rhode Island official website said in its latest project update.

The contractor, Patriot Marine, has been dredging down near Sedge Island.

The crew is approximately one-third of the way dredging one of the sections planned for this area, though work was halted unexpectedly on Monday, December 5 because of mechanical issues.

Work resumed later in the week, once the new piece arrived. Patriot Marine has been working long hours since beginning, and dredging and production operations are going as expected, the update stated.

One method of restoration involves placing dredged material on the surface of the marsh to raise the elevation so that plants can thrive.

This method, often called thin layer deposition, will be used in the Narrow River. Material will be dredged from select locations to create depths where eelgrass, another important habitat, can grow.

The dredged materials will then be dispersed on the adjacent marsh surface to slightly increase the marsh’s elevation, primarily in areas where the vegetation has died off or become stressed from prolonged flooding.

These areas will be replanted with marsh grasses.

From Narrow River Kayaks south to Sedge Island, crews are depositing material from the river onto different areas of the marsh.

The dredge footprint creates an approximately 65-foot wide channel in the river. Sand from the river is being used to help elevate the marshes on the eastern side.

A new low-flow method of dredging is being used to protect the existing marsh plants.

Marine dredging is only permitted in the fall and winter months to avoid impacts to fish species such as flounder.

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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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