Underground Civil Works

High Speed Railway. Ezkio-Itsaso and Beasain section

Owner: ETS Eusko Trenbideak Sarea

Client: UTE Ezkio

Complete construction of the underground section of the work using our own means. From a total of 2,500 metres of high speed section, 2,285 run inside tunnels: Atsuain 555 metres and Sorozarreta 1,730 metres.

Moreover, an emergency gallery of 786 metres has been projected in the Sorozarreta tunnel to comply with the safety regulations for tunnels. The work execution time was 32 months.