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Port construction and environmental monitoring, Mejillones

Boskalis International B.V. was working as a subcontractor to the Chilean civil contractor Empresa Constructora BELFI SA, which was awarded the contract to construct phase 1 of the New Mega Port Mejillones. This port has been developed in order to ship the copper of the Chilean mining corporation CODELCO.

The new terminal is capable of handling 2 million tonnes of copper cathodes. For that purpose, CODELCO established the holding company Complejo Portuario Mejillones, which sold a concession for 30 years to Compania Portuaria Mejillones, a joint venture between BELFI and maritime agency ULTRAMAR. The works executed by Dragamex consisted of the following:

  • Monitoring the quality of the water 30 days prior to the beginning of the dredging works, including the quantity of suspended solids, the chlorophyll A concentration, the current speed and direction, the water temperature at predetermined points, and the tide, the wind direction and speed continuously.
  • Monitoring the water quality during the dredging process, measuring the same parameters as mentioned in the previous paragraph, however, more frequently. This in order to assure that the sedimentation that came out of the dredging process did not exceed a predetermined surface, and that protected areas did not receive a higher concentration then 400 mg/lt.
  • Dredging and deepening of the harbor turning basin and mooring places. The volume dredged was approx. 1 million m3.

Related projects

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Construction of
Marker Wadden

Boskalis has been awarded the first phase of the Marker Wadden development in the Netherlands. The project includes the construction of an island with underwater landscaping. The Marker Wadden are natural islands that will be developed in the Markermeer lake in the years to come. They will provide a major boost for the ecological quality of the Markermeer lake. The natural shores of the islands will give fish more opportunities to spawn and feed. As a result, large numbers of birds such as terns and waders will return to the area because there will be more food for them. The construction of the Marker Wadden will transform the map of the Netherlands.

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Outer harbor channel widening, Adelaide.

The Port of Adelaide is the primary port in South Australia, located at Outer Harbor. The port is operated by Flinders Ports Pty Ltd (Flinders Ports) and handles both container and cruise vessels, contributing significantly to the State’s economic activity. Flinders Ports identified the need for an upgrade of the existing infrastructure driven by the emergence of Post Panamax class vessels. To meet this growth the existing channel had to be widened to accommodate vessels with a maximum width of 49 m without operational restrictions. Flinders Ports contracted Boskalis to execute the dredging works.

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Johan Sverdrup, transport.

Samsung Heavy Industries Co., Ltd. is Equinor’s Fabrication and Transport contractor of the Johan Sverdrup project. Boskalis has been awarded by Samsung as transportation contractor for this project.

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IJsseldelta

The IJsseldelta project is part of the national Room for the River program, which comprises over 30 measures aimed at upgrading the flood defenses in the Dutch river areas. The project involves lowering the summer bed of the Lower IJssel river along a length of 7.5 kilometers near the town of Kampen and creating a bypass to the south of Kampen.

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NORDSTREAM II

Allseas Engineering had been awarded with the contract to support partly with construction of the offshore natural gas transmission system comprising two 48” diameter pipelines from Russia to the Baltic through Germany (NPSP2). The installation of the NSP2 pipeline has been performed by Charterers pipelay vessels: Solitaire, Pioneering Spirit and Audacia.

Port expansion, Tuas Mega Port Singapore

Boskalis is part of a consortium that won a contract related to the construction of the Tuas Mega Port in Singapore. After Shanghai, Singapore is not only the world's largest container port, it also handles 50% of global crude oil production and it is the planet's busiest transit port. The port is the economic motor of Singapore, which is constantly struggling with a shortage of land.