Maine: Portland Harbor Commission and City Select CAD Cell Site Location

The City of Portland, Maine, and the Portland Harbor Commission, working with a team of consultants from Stantec, Apex and Campbell Environmental Group, have identified a primary site for evaluating a potential confined aquatic disposal cell (CAD Cell) in Portland Harbor.

The site is located near the U.S. Coast Guard station in South Portland, in shallow water just to the south of the federal navigation channel.

CAD Cells have been used in many U.S. harbors and around the globe and are considered an environmentally and financially responsible way to dispose of dredged materials determined to be inappropriate for disposal at offshore sites, the City of Portland said in its release.

The dredge and CAD Cell project goals are to provide the testing, engineering and permitting required to dredge materials currently filling in the harbor’s wharfs.

The CAD Cell project has undergone an extensive site selection process involving public input from a diverse range of stakeholder groups. The process included evaluation of multiple sites in Portland Harbor.

Bill Needelman, Waterfront Coordinator for the City of Portland, said: “Locating a feasible site is a big step for this process. Dredge projects aren’t easy and we’ve worked hard to be responsive and inclusive in dealing with our constituencies. It appears to come down to this last site near the Coast Guard.”

Next steps for the project include continued scientific investigations that will gather data needed for environmental permitting and design of the CAD Cell.

To collect this data a barge will mobilize at the proposed site later this week to drill a test boring near the center of the CAD Cell. The boring data will be utilized to verify that there is enough sediment thickness above the bedrock to accommodate the CAD Cell.

The data will also be utilized to determine geotechnical properties of the sediments for the design of the CAD Cell.

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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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