Van Oord-GMB reinforce Dordrecht Island

logo-vanoordThe Van Oord-GMB joint venture has been awarded a contract by the Hollandse Delta Water Board to reinforce the dikes on Dordrecht Island. The total contract value amounts to more than EUR 21 million. The work will commence in mid-2014 and will continue until the end of 2016. The joint venture will be responsible for the design and construction.

The project, which is part of the High Water Protection Programme will encompass adjustments to approximately 11 kilometres of dike in four locations on Dordrecht Island. Cycling paths and roads will also be constructed on these dikes, involving the instalment of some 25,000 tonnes of asphalt. The high-pressure and suction lines will also be adjusted and the dike will be reinforced with approximately 500 metres of sheet piling. A total of approximately 1,700,000 m3 of soil, sand, and clay will be excavated. The dike revetment (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 the most economically advantageous tender (MEAT) for this project. Very high scores were awarded to the following elements of the plan of approach formulated by the joint venture: process quality, quality of work method, and quality of environmental management, combined with an attractive price. The joint venture’s work method makes 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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