Jan De Nul Completes Liepaja Port Dredging

Image source: Jan De Nul

Jan De Nul Group has successfully completed the capital dredging works for the improvement of Liepaja Port in Latvia.

The scope for Jan De Nul Group entailed the removal of 2.7 million m³ of sediments to deepen the port access channel from 12.5 m to 14.5 m, and to create a new navigation channel of -14 m towards one of the main bulk terminals within the port area.

Commenting the latest news, Mieke de Mûelenaere, Jan De Nul Project Manager of the Liepaja project, said: “We are proud to be able to finish the project 1.5 months ahead of schedule. Liepaja challenged us and we have succeeded. We are grateful to our colleagues of LSEZ for the constructive and positive cooperation which also led to this success.”

Challenging weather and soil conditions

During the execution of the project, Jan De Nul faced challenging weather and soil conditions.

Liepaja is one of the three major ports in Latvia, located along the west coast. It is known for the cold temperatures in winter and adverse weather conditions in general.

A big challenge for the Jan De Nul vessels was the high waves that regularly can be observed in the Baltic Sea, especially during winter. As Liepaja’s nickname ‘The city where the wind is born’ suggests, strong winds also had an impact on the project planning.

“For the dredging works, the self-propelled cutter suction dredger (CSD) Fernão de Magalhães, assisted by three split hopper barges, was specifically chosen because of the heterogenous material in the Baltic Sea. The Fernão de Magalhães had to remove very hard-to-dredge glacial sediments of sand, clay, stone and large boulders,” said Jan De Nul in their announcement.

Despite these challenging weather and soil conditions Jan De Nul Group was able to deliver the project in less than 9 months, 1.5 months ahead of schedule.


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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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