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Construction motorway, A4 Delft-Schiedam

Boskalis Nederland was involved in the construction of the A4 motorway from Delft to Schiedam. The client is Rijkswaterstaat. After 40 years, the construction of this final section will bring to an end the public debate about whether this new road was needed.

The A4ALL consortium submitted the best-priced tender for the design and the construction of the new motorway. The consortium developed smart design solutions that took the wishes of local residents into account.  Boskalis was involved in the integral work with its partners in the A4ALL consortium, and also executed some of the concrete engineering structures and servicing work. On this assignment, the consortium complied with the Boskalis safety program, NINA. The Integral Development between Delft and Schiedam is an area-based program. At the same time as the A4 Delft-Schiedam was being built, investments have also been made in upgrading the Midden-Delfland area and the urban area between Schiedam and Vlaardingen. As well as additional nature, a range of leisure facilities will also be established.

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Construction drilling island and ice barriers, Kazakhstan

Agip Kazakhstan North Caspian Operating Company B.V. (Agip KCO), a consortium of eight leading oil companies, is active in the northern section of the Caspian Sea. The gas and oil reserves in this area were mapped out in 1998 and 1999. To allow for their exploitation, Boskalis International has created an artificial island measuring 225 x 225 meters, and underwater berms, for Agip KCO. Four years later, the time was ripe for the construction of the drilling island and ice barriers. Once they were in place, Agip KCO could start to extract and distribute the oil reserves.

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Cleanup petroleum harbor, Amsterdam

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Cleanup, Ketelmeer

Ketelmeer, a lake in the Netherlands with a length of some 10 kilometers and a width varying from two to three kilometers, separates the North Eastern and Southern Polders constructed during the late 1960s and early 1970s. It is a major example of the problem of 'historic pollution'. Lake Ketelmeer receives the waters of the Rijn and IJssel and over a period of three or more decades, tens of millions of cubic meters of highly contaminated sediments entered Ketelmeer from hundreds of upstream locations. The bottom was covered by polluted sediments to an average depth of 50 cm. A significant proportion of this material had to be removed, or capped by the cleaner sediments of recent years, if a normal aquatic environment was to be restored.

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Tunnel construction Warnow, Rostock

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Installation gas pipeline, Gelugor Mainline

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Fixed Link between Rosario and Victoria

The Joint Venture Boskalis International - Ballast Nedam JV was a subcontractor to the Consorcio Impregilo, Hochtief, Roggio and Techint which was awarded the construction of the fixed link between Rosario, in the province of Santa Fe and Victoria, in the province of Entre Rios. The Client in this project was the Argentine Government, and the leader of the Consorcio was Impregilo. The Consorciol executed all the civil constructions such as bridges while the JV Boskalis International – Ballast Nedam (BKI/BND) constructed, using sand only, the road embankments, connecting the several bridges.