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’.
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