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Land reclamation

Boskalis is a global expert in sustainable and cost-competitive land reclamation. We use various techniques to reclaim land and protect shorelines using our state-of-the-art fleet of dredging vessels and specialized equipment. Soil can be improved through drainage and compacting techniques in preparation of the construction of airport runways, commercial and industrial areas, wind parks and recreational areas.

New land thanks to economically and ecologically sound solutions

With years of experience, we can handle the entire process – from feasibility study through to project completion. Our state-of-the-art dredging vessels and specialized equipment ensure performance and cost efficiency. Their large capacity means that land can be reclaimed at an attractive cost. Similarly, our innovative soil consolidation and compacting techniques enable you to considerably reduce construction time and save costs. We can even provide financing assistance thanks to our close relations with financial institutions.

Re-use of sand and sediment

Our aim is to re-use as much of the sand as possible for land reclamation when deepening waterways and ports. Not all the sand that we wish to use for this purpose is suitable, but thanks to innovations and research we are now able to re-use sand and sediment that was previously unusable. The innovative building with silt on the Marker Wadden nature restoration project is a good example of this.

Our projects

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Dredging of sediments, Miami river

The Miami River, which flows through an urban industrial area of Miami, Florida, had not been dredged since the area was built in 1934. In 1990 the US Army Corps of Engineers advised the city that the sediment had to be removed from the river as it was impeding shipping. There was one caveat however: the sediment, contaminated with heavy metals, pesticides and oil, could not be placed in the ocean.

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Gas fields development, Krishna Godavari basin

A large-scale dredging, trenching, pipe pulling and backfilling project. Reliance Industries develops the offshore gas field known as Block KGDWN-98/3 in the Krishna Godavari Basin, Bay of Bengal off the East Coast of India. The gas field will be linked to onshore customers and covers an area of approximately 7,500 km2. The field stretches an area 40 to 60 kilometers southeast of Kakinada. The scope of works comprised the dredging of a 21 kilometers long and 18 meters wide trench for three 24" gas pipelines, each with a 6" piggyback pipeline, one 12" effluent pipeline and two umbilical cables in water depths ranging from 0 to 50 meters. After pipe laying by the main contractor the pipeline trench was backfilled with partly rock and sand.

Rehabilitation of old breakwater, Port of Poti

The city of Poti is located at the mouth of Georgia’s largest river, the Rioni. It has been an important trade centre for centuries. Since the early 19th century, many plans have been developed for the creation of a major sea port. Construction work started in the 1850s on the main breakwater that is still protecting the port today. During its long lifetime, this structure has been maintained by frequently adding 20-60 tons of concrete cubes to the armour layer. Significant settlement of the structure over time has lowered the crest level considerably, resulting in large overtopping volumes and therefore in port-operation downtime. As a result, a rehabilitation project was executed between 2006 and 2008 by Royal Boskalis Westminster N.V. to reduce the downtime caused by overtopping waves.

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Reclamation and dewatering works, Sepetiba Bay

The German steel-maker ThyssenKrupp Steel and the Brazilian mining giant Companhia Vale do Rio Doce (CVRD) teamed up to construct a EUR 3 billion steel factory at Sepetiba. This is a small town of 36,000 inhabitants near Rio de Janeiro with good access to the Atlantic Ocean. The new steel factory allowed Brazil not only to export more of its plentiful mineral resources, but also to produce semi-finished products that can be sold at higher margins. The government authorities of Brazil and Rio de Janeiro both supported the project.

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Port development, Lerwick

The Port of Lerwick is situated on the east coast of the Shetland Islands, and is operated by Lerwick Port Authority. The 2008 dredging and reclamation works were one of the largest marine projects to be carried out in Scotland in recent years and constituted the largest single investment in the port to date.

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Port construction, Vuosaari

Vuosaari Harbor is the most significant harbor project in Finnish history; in fact, it is unique even on a European scale. Both existing harbors in Helsinki’s city centre are being transferred to the eastern outskirts of the city. They are being replaced with a harbor with excellent traffic connections that can meet the increasing demand for cargo handling. The Vuosaari Harbor Center will provide a competitive and modern service package, with smooth connections between harbor operations and other logistical facilities. The harbor center will comprise the gate area, the closed harbor area and the adjacent Business Parks. The fairway to the Harbor Center will be 32 km long, at least 200 m wide, and 11 m deep. The port area comprises 150 ha, of which 90 ha will be land reclaimed from the sea.

Our brands

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Boskalis Dragamex

Our company providing dredging and marine services in Mexico.

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Boskalis Hirdes

Our hydraulic engineering company in Germany.

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Boskalis Nederland

Infrastructure projects on land and water in The Netherlands.

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Boskalis Terramare

Expertise for demanding marine construction projects in the Nordic region.

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Boskalis Westminster

Our dredging and marine contractor in the UK.

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Boskalis Environmental

Our specialist in soil and sediment washing, as well as remediation.

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Cofra

Our specialist in ground improvement techniques.

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Dredging

For dredging and infrastructure related queries contact our Dredging department.

More about Boskalis

Building with Nature

Boskalis proactively developed Building with Nature to gain insight into the impact of hydraulic engineering projects on ecosystems.

Company profile

All about Boskalis - an overview of the company’s background, global presence, our activities, clients, and experts, and our vision for the future.

Careers

If you are interested in finding out more about what it is like to work for us, take a look at our dedicated Careers website. Here you will find our current vacancies, information about our traineeships, and much more.