The threshold for the draughts of ships admitted into the Western docks is now set at 3.00 meters maximum. Marine crossing assistance comprises :
- Lit panels situated on either edge of the lock, downstream as well as upstream, indicating the presence of a cofferdam and its hydro coast at + 2.00 meters.,
- There are also gauge wells located on either side of the entrance lock, both downstream and upstream. They indicate the height of water available above the upper side of the cofferdam.
In addition, an orange light shines for 15 minutes before bridge openings, which follow the schedule below: - 3 hours before high tide,
- 2 hours before high tide,
- 1 hour before high tide,
- High tide,
- 1 hour and 15 min. after high tide,
- Two hours and 30 min. after high tide.
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