Rüti – GLARNERLAND (CH)
Extension hydropower plant Spinnerei Linthal
Cotlan Wasserkraft AG
Diameter / Length
ID 3000 / 640 m
The 640 m long pressure tunnel has been executed in an extremely difficult geology along and under the river Linth, with very little ground cover. Huge blocks of rock and boulders turned out to be an important challenge for the TBM.