La Regeat plant in Haute-Savoie, France

Building of a steel penstock belonging to the EDF hydroelectric plant of La Rageat in Savoy (France) – Execution and construction design.

Steel penstock of inner diameter 900 mm and thickness between 8 mm and 14 mm, with blocked vertices, with intermediate support pins and running in the open air, without movement joints.

Length of approximately 700 m and hydraulic drop of about 370 m.

Completed by a terminal distribution conjunction with the four production groups, including a fork-junction between the 900 mm penstock and the 700 mm branches, and two further 700 mm and 550 mm fork-junction.

Services provided: Execution design and construction drawings for steel works.

Client: PARESA S.p.A.

Site: Municipalities of Fontaine le Puits and Villarlurin, Arrondissement de Albertville, Savoie.

Years: 2010 and 2011

Cost of works: 6.2 million Euros