Contract Signed for First Dual-Fuel Dredger in France

Atlantic Port of Bordeaux, the EIG Dragages Ports and the SOCARENAM shipyard have just signed a contract for the construction of the water injection dredger running on LNG.

This innovative and eco-efficient dredger will replace the grab hopper dredger “La Maqueline” in the summer of 2019.

Atlantic Port of Bordeaux uses two dredgers to maintain the navigation channel and quaysides. The dredger Pierre Lefort was replaced in 2013 by the trailing suction hopper dredger Anita Conti, and in 2017 a decision was made to replace La Maqueline, a grab hopper dredger dating from 1984, by a water injection dredger, which like the Anita Conti will work on the navigation channel, thereby reducing the volume of sediment transported and relocated in the estuary.

After a European call for tenders in 2017, the EIG Dragages Ports awarded the contract to SOCARENAM shipyard, based in Boulogne sur Mer. This will be the first dual-fuel newbuild vessel built in France (excluding LNG tankers).

With the dual-fuel engines, the dredger will be able to burn Liquefied Natural Gas and Marine Light Diesel. Compared to diesel, natural gas emits 25% less carbon dioxide (CO2), 80% less nitrogen oxide (NOx), and almost no sulphur dioxide or particulate matter.

By using this type of fuel, combined with electric diesel propulsion, which is more energy efficient, and water injection dredging, which is better for Bordeaux’ port areas, Atlantic Port of Bordeaux will be able to maintain the port accesses and equipment in a more environmentally-friendly way, reported the port.

This newbuild to be called “L’Ostrea” will be fully equipped to operate efficiently (specially designed dredging system, azimuth thrusters, dynamic positioning, heavy lift crane, etc.) and will provide excellent comfort on board for the crew (COMF-NOISE and COMF-VIB ratings, cabins and wheelhouse on shock absorbers, individual cabins, etc.).

Key figures for L’Ostrea:

  • A hull of approximately 40m x 11m;
  • 2 azimuth thrusters and 1 bow thruster;
  • Water injection pressure of 2.5 bars;
  • Service speed of 12 knots.

 

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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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