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"Compagnie d’Aménagement des Coteaux de Gascogne" wished to increase the storage capacity of the reservoir.
The new spillway sill is composed of three sections: the central section is ungated, and the other two sections are composed of fusegates that are 20 cm above the normal water level.
| | | France | Date of completion 2014 | Performance Increase storage and spillway discharge capacity | Fusegate type Labyrinth | Number 6 | Height 1.00 m | Width 1.50 m |
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