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Reinforcing Dutch
coastline, Sandmotor

In December 2010 Royal Boskalis Westminster N.V. was awarded a contract by the Dutch Directorate General for Public Works and Water Management to reinforce part of the coastline in the province of Zuid-Holland by creating a ‘sand engine’. The total value of the contract is EUR 50 million for the Van Oord- Boskalis consortium, in which Boskalis has a 50% stake.

The project entails the creation of a sand engine. This involves depositing 21.5 million m3 of sand in the shape of a hook extending from the coast near Ter Heijde. The sand will be spread along the provincial coastline by the natural motion of wind, waves and currents. This principle of building with nature will reinforce the coastline in a new and natural way. The sand engine will therefore be able to contribute to coastal protection while at the same time creating more space for nature and recreation. The contract is an Engineering & Construct contract, meaning that the further development of the design and realization is in the hands of the consortium. The project will commence early 2011 and is scheduled to take over a year. It will involve the deployment of several large trailing suction hopper dredgers. Boskalis’ strategy is designed to benefit from the key macroeconomic developments which fuel global demand in our selected markets: growth in global trade, increasing energy consumption, expanding population pressures and the challenges posed by climate change. This coastal protection project is prompted by expanding population pressures and climate change.

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Beach replenishment, Newbiggin Bay

Newbiggin by the Sea was once a seaside resort, with the residential area focused around the bay. The beach has severely eroded over the years. If the coastline would continue to recede, sea walls could begin to collapse, imperilling coastline properties. The falling beach levels and increased risk of seawall failure led to a strategy and proposal to import beach fill, along with construction of an offshore breakwater to retain material. Boskalis expanded the existing beach and protected it from erosion.

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Dredging, reclamation,
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monitoring works, Vilufushi

The Republic of the Maldives consists of 1,190 small coral islands grouped into 26 atolls. Only 200 islands are inhabited. On 26 December 2004, a tsunami originating from Indonesian waters struck the Maldives. This natural disaster had major economic, social and environmental consequences. Of the 200 inhabited islands, 13 were totally destroyed and 56 suffered major damage, including the island of Vilufushi in Thaa Atoll. Houses and infrastructure were heavily damaged. All the surviving residents had to be evacuated to the neighboring island of Buruni to the west of Vilufushi. The government of the Maldives decided to reconstruct the entire island and to extend it considerably by landfilling the shallow reef. Boskalis International was appointed for this work.

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Removal of overburden for bauxite mine, Klaverblad

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Maintenance, Martin Garcia channel

The Rio Parana is the principal fairway for transporting the massive exports of agricultural products from the fertile plains of Argentina, Bolivia and Paraguay. Ocean going vessels sail the Parana River to the loading terminals in the Rosario region, situated 300 km upstream from the Rio de La Plata estuary. Both the Rio Parana and the Rio Uruguay flow into the Rio de la Plata. The Rio de la Plata can be described as a shallow inland-sea with natural depths between 1 and 6 m. The mouth of the Rio Parana from the Ocean is approximately 250 km. The Rio de la Plata has a width of 40 km on the upstream side near Buenos Aires and about 200 km downstream at the level of Montevideo.

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Dredging, reclamation and dewatering works, Gas-to-Liquids facility Escravos

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Land reclamation, Half Moon Bay Island Manama

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