Vessel submersion - Stage 1

Empty vessel

Vessel submersion - Stage 2

Submersion begins and fold railings

Vessel submersion - Stage 3

Maximum submersion

Barge positioning - Stage 1

Positioning of side barge

Barge positioning - Stage 2

Use of positioning winches

Barge positioning - Stage 3

Side positioning of barges

Barge positioning - Stage 4

Rear positioning possible

Ballast discharge and stowage - Stage 1

Ballast discharge begins

Ballast discharge and stowage - Stage 2

Barge contact

Ballast discharge and stowage - Stage 3

Use of locking buffers with hydraulic keel blocks

Ballast discharge and stowage - Stage 4

Buffers locked

Ballast discharge and stowage - Stage 5

Ballast discharge

Ballast discharge and stowage - Stage 6

Implementation of locking arms

End of operations - Stage 1

Railing replacement, arms locked

End of operations - Stage 2

End of ballast discharge

End of operations - Stage 3

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Architecture