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CASE STUDIES


Reinforcement of a bridge abutment of the River Porpoises in Saint Benoit


La Réunion
Saint Benoît


Detailed description of the operations carried out

  • Underwater earthworks
  • Retaining walls achievement
  • Gabion formworks
  • Casting of colloidal concrete - 700 m3
  • Establishing a tight emission control dam

Description of main tools/resources mobilized

  • IMCA divers
  • Hookahs
  • 80 ton cranes
  • Concrete pump

Duration

3 months

Team

3 to 6 divers

Specific environment-related requirements

Procedures as per ISO 18001 and 9001. Maintaining a pH acceptable for biodiversity despite handling large volumes of potentially polluting materials.

Results

Successful results of operations, deadlines and conditions met - Reference site for DEAL.