What we do

Challenge

DEME was tasked with maintaining the navigational width of the ports of Calais and Boulogne-sur-Mer for the region ‘Hauts de France’. Additionally, we performed the maintenance of Gravelines port for the ‘Département du Nord’.

Solution

The contract for Boulogne-sur-Mer and Calais includes two campaigns per year (called ‘autumn’ and ‘spring’ campaigns).

Our scope included:

  • Maintenance dredging works in the three ports
  • Dredging using a trailing suction dredger and offshore piling
  • Levelling by towing vessel (Harrow)in Calais and Boulogne-sur-Mer
  • Desilting the sluice chambers by deploying divers

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