Cottrell to Begin Norfolk Harbor Inner Channels Dredging Project

Image source: USACE

The U.S. Army Corps of Engineers and Cottrell Contracting are set to begin dredging the Norfolk Harbor Inner Channel and channel to Newport News on Saturday.

Norfolk District will manage the operations and maintenance project as part of an effort to remove shoaling, allowing safe and unrestricted navigation for the largest commercial and military vessels transiting into and out of the Port of Virginia.

Officials expect it to take five months to complete the work.

The $10.4 million contract, awarded in August to the Chesapeake-based company, permits the dredging of 1.1 million cubic yards of sediment from the federal channel. Cottrell will pump it by pipeline to Craney Island Dredged Material Management Area in Portsmouth.

Steve Powell, Norfolk District project manager, said that Cottrell is dredging to a depth of 52 feet below mean lower low water, a formula based on the lowest tide’s average height measured over a 19-year period.

This dredging depth ensures that as the channel shoals in between maintenance cycles, the shoals will still be below 50 feet, the depth required to keep commerce flowing in the Port of Virginia,” he said. “It will be performed in a manner that ensures the continued safe and unrestricted navigation in the harbor.

Maintenance dredging is required every 12 to 15 months in Norfolk Harbor Channel and every three to four years in the channel to Newport News. Without it, the high rate of shoaling would severely restrict vessel movement within the port.

 

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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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