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The Moulinets dam – Orbe – Switzerland

The Moulinets dam – Orbe – Switzerland

Dams and hydraulic Engineering  (Hydro-electric power plant)

  • Client: VOEnergies Production SA
  • Assignment: Feasibility study, general design, bathymetry, geotechnical mission, preliminary design, project design, concession request, tenders, project execution, construction management
  • Completion date: 2008 – 2013
  • Total cost of the assignment: 700k CHF
  • Total cost of work: 10,000k CHF

 

PROJECT DESCRIPTION AND CHARACTERISTICS

The project involved the reconstruction of the existing dam and the creation of a new hydroelectric plant to replace the existing 3 turbines in the buildings of the former ROD Mills.

The new “dam- plant” includes a movable dam with a damper, a hydroelectric plant and a water intake:

  • Number of groups: 2 type “S” turbines with horizontal axis
  • Exploitable fall: 6.1 m
  • Flow rate: 21.6 m³ / s
  • Total installed power: 1 MW
  • Average annual production: 4.22 GWh
  • Fish lift: concrete tower, height 14 m
  • Fish displacement device integrated into the factory grid
  • Moving dam: 2 passes
  • Largeur x hauteur : 5.1m x 3.6m
  • Type de vanne : vannes clapets

ASSIGNMENT

GEOS Ingénieurs Conseils completed the project management, including the feasibility study, the bathymetry, the geotechnical study as analysis related to fish migration.

Skills

Posted on

2016-09-16