Underground Civil Works
Road tunnels. Gerediaga – Elorrio Highway
Client: UTE Autovía Gerediaga – Elorrio
Drill and blast works in the twin road tunnels of Gaztelua II, within the Gerediaga-Elorrio Highway Project in Vizcaya, from the Southern trench. Total excavated length 1,150 m with an average cross-section of 125 m².