The Tumpen hydroelectric tunnel, in the Oetztal Valley (Austria), is part of the development of the new Tumpen-Habichen power station, which was scheduled to come into operation in autumn 2022.
This formwork was used to construct a 900 m water tunnel from Habichen to Tumpen,

where three Francis turbines are used to generate electricity. A full-section formwork with a very meticulous and precise engineering design that also required a complex hydraulic system, carried out by Kern Tunneltechnik..