Eel pass at Puyoo dam (64)

Project owner EDF UP Sud-Ouest

Type of project Construction of an eel pass

Creation of a regular concrete ramp equipped with studded slabs, with a double slope (25% lateral and longitudinal) and supplied by gravity flow.

Main technical features

Macro-roughness elements and 0.5 m-wide studded slabs; concrete ramp with riprap.

Specific constraints

In-river works with a risk of flooding.

  • Location 64270 Puyoo
  • Project / construction cost 170 K €
  • Years of completion 2015 - 2016

Upstream migration system

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