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Mon September 20 2021

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Van Oord-GMB wins contract to reinforce Dutch dykes

29 Nov 13 A joint venture of Van Oord and GMB has been awarded a €21m (£17.5m) contract to reinforce the dykes on Dordrecht Island in the Netherlands.

Work on the scheme for the Hollandse Delta Water Board will begin in mid-2014 and continue until the end of 2016.

The Van Oord-GMB joint venture will be responsible for the design and construction. The project, which is part of the high water protection programme will encompass alterations to approximately 11km of dykes in four locations on Dordrecht Island. Cycling paths and roads will also be constructed on these dykes, involving the instalment of some 25,000 tonnes of asphalt. The high-pressure and suction lines will also be upgraded and the dyke will be reinforced with approximately 500m of sheet piling. A total of approximately 1,700,000m3 of soil, sand, and clay will be excavated. The dyke revetment of packed stone will also be replaced in several locations.

The joint venture will use various crane barges, hydraulic excavators, dumpers, and bulldozers to complete the work.

The joint venture’s bid was picked on the basis of offering the most economically advantageous tender for the project, scoring highly for the plan that was formulated. Working methods make provisions for the re-use of the material to be excavated, which will limit the amount of transport required. Other benefits include less harm to the environment, reduced CO2 emissions and lower start-up costs.

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