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Conservation and maintenance

Nortunel > Activity > Conservation and maintenance

Conservation and maintenance

Nortúnel is involved in conservation and maintenance of underground works, including reparations to road tunnels and railways. Nortúnel has its own team for technical analysis in the search for preventative solutions, using the most advanced technologies, as well as the capacity of urgent action in emergency works, even working without stopping traffic.

Related projects

Reinforcement of tunnel 1 Genovés on 342 Xátiva-Alcoi line (Valencian Community)

Genovés Tunnel 1 has a length of 250 m, starting km 4 + 188 and ending km 4 + 438 with straight geometry. The tunnel is single track, with a […]

Emergency due to serious damage to the lining of the Toses tunnel. Ripoll - Puigcerdá line

The Toses tunnel has a length of 3,904 m and is located between PP.KK 29+745 and 33+649. The repair areas total 947 meters where the following actions have been carried […]

Improvement works on slopes of the Bilbao-Donostia Line. Lot 1: Deba Station at km 72 + 450

The works consisted of the Conditioning and improvement of stability on the slopes between the Deba and Zumaia stations of the Bilbao-Donosti Line, for this, the following actions were carried […]

Reparations of inlet and outlet in Zankoeta II Tunnel

The actions carried out in the Zankoeta II Tunnel consisted of:   Filling of the track area to a level higher than the current tunnel key to stabilize the slope […]

Structural reinforcement of the Santander-Bilbao metre-gauge railway line. Ambroser Tunnel.

The Ambrosero tunnel is located in The Cantabrian town of Ambrosero and is part of the Santander-Bilbao metre-gauge railway line.The works carried out for the structural reinforcement, drainage replacement and […]