DOP Pump 350 with sand production head The village of Cadzand is located in the South West of the Netherlands, on the shores of the North Sea. It’s old marina entrance needed to be updated and the harbour was to be deepened. Not a simple job taking into account that conventional WWII explosives (UXO’s – Unexploded Ordnance) were hidden in the seabed. The Dutch contractor Martens & Van Oord was up for the job – using a DOP submersible dredge pump to dredge the marina. See all deliveries