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Press Release

Damen DOP dredge pump used in hazardous project

VIDEO

Continuous dredging process ensures high efficiency

Damen Dredging Equipment has delivered DOP submersible dredge pumps to many dredging contractors around the world. As a result, an enormous variety of dredging projects have been brought to a successful conclusion.
Currently, an interesting project is being undertaken by the Dutch contractor Martens & Van Oord in Cadzand, the Netherlands. The project has quite a challenge in store – unexploded ordnance (UXO).

The village of Cadzand is located in the south west of the Netherlands, on the shores of the North Sea. Its old marina entrance needed to be updated and the harbour was to be deepened. Not a simple job taking into account that conventional Second World War explosives were hidden in the seabed. Martens & Van Oord was up for the job – using a DOP submersible dredge pump in the process.

The DOP350 was attached to one of Martens & Van Oord’s pontoon-based excavators. The DOP pumped the bottom material – sand and occasionally UXOs – to a reinforced screening installation. From there, another Damen pump was used to bring the screened sand further to replenish the nearby shores. The choice for using the DOP was a simple one: the submersed dredge pump ensures a continuous process (in UXO-areas) contrary to mechanical dredging.

For sand mining purposes, a somewhat customised sand mining head with plenty of jetwater was fitted. This DOP head was designed for mining a maximum concentration using pressurised water to fluidise the bottom material.

Damen Dredging Equipment is proud that its DOP submersible dredge pump has been chosen by Martens & Van Oord to play a vital role in this extraordinary dredging project.


2016-04-04

Please see Damen Shipyards Group company electronic office

Damen Shipyards Group operates 32 shipbuilding and repair yards, employing 9,000 people worldwide. Damen has delivered more than 6,000 vessels in more than 100 countries and delivers some 180 vessels annually to customers worldwide. Based on its unique, standardised ship-design concept Damen is able to guarantee consistent quality.
Damen’s focus on standardisation, modular construction and keeping vessels in stock leads to short delivery times, low ‘total cost of ownership’, high resale values and reliable performance. Furthermore, Damen vessels are based on thorough R&D and proven technology.

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