Assistance to

The Infrastructure Contracting


Providing support to the Defence Infrastructure Service on the adaption of Toulon and Brest port facilities for the new generations of submarines and aircraft carriers.


© Marine Nationale


To prepare the infrastructure transformation programmes of the Toulon and Brest naval bases, which have a significant nuclear dimension.

Main services


  • Assistance to the Defence Infrastructure Service (DIS) with the development of a master plan for the adaption of the submarine berthing area ;
  • Assistance to the DIS with the supervision of the works within a time-frame compatible with the French Navy’s operational requirements: technical support and supervision of subcontractors for fitting out, civil engineering, safety, mechanics, electricity, fluid systems, etc.


  • Assistance to the Contracting Authority at the Defence Infrastructure Service (DIS) in the exercise of its role as design authority , in particular, in the areas of nuclear safety, quality assurance and configuration management, as well as the monitoring of engineering operations.



Latest major events:

Toulon :
  • April 2020: Reception of Basin 1 after its adaptation for the BARRACUDA SNA;
  • End of 2020: Start of execution studies on Basin 2;
  • March 2021: End of design studies on Basin 3 (PRO).