Special Works - Cavosa

Special Works

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Special Works

Cavosa  is capable of performing all kinds of underground works, such as inclined shafts, access canyons, extension tunnels attached to existing structures, ramps and the most complex works your project needs, providing our experience and technical knowledge. We have recently made access canyons for the Bilbao and San Sebastián metros, we have made tunnels with TBM in the presence of explosive gases, we have made extensions of Hydroelectric Power Plants attached to the existing power plant, we have made tunnels for AVE below the Sacred Family (Barcelona’s Cathedral), we have extended an existing tunnel by drilling and blasting parallel to a working railway and below a highway. Whatever your challenge we can carry it out with all the guarantees of quality and safety.