Argentière penstock (05)

Project owner EDF Petite-Hydro - GEH AZUR-ECRINS

Type of project New construction of the CF coating at the L’Argentière power plant (05)

The project involved renovation work on the internal lining of the penstocks upstream of the head gates, as well as mechanical work.

Main technical features

Internal diameter: 1900 mm downstream of the head-gate structure; Nominal thicknesses: 8 mm to 12 mm; Length: CF1 = 480 lm CF2 = 500 lm from M25 to M21; Slope: 45° maximum; Elevation difference: 152 m

Specific constraints

Presence of asbestos; Structural reinforcement of the steel using carbon fibre; Water ingress through the steel.

Penstock

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  • Location 05120 L'Argentière-la-Bessée
  • Project / construction cost 820 K €
  • Years of completion 2021

Penstock

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