Services > Missions

Infrastructure inspection

Video and sonar inspection of underwater infrastructures
Infrastructure 3D modeling
Use case

Structural assessment of the Jean Réveille and d’Estienne d’Orves pier

Saint-Tropez, France - 2016

Subsea Tech carried out the 3D underwater modeling of the pier over a 500m distance, using the CAT-Surveyor USV. The results were correlated with the surface observations to point out the disorders affecting the pier and provide the client with a complete diagnosis. 3D sonar models were completed by mini-ROV video inspections to characterize precisely the disorders.




  • 3D modeling of the pier using a multibeam echosounder
  • Visual inspection of the pier
  • 3D modeling of particular disorders

Used equipment

  • fr

Subsea Tech

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