H19 Punt Russein – Lumpegna Lot 3.1, Travaux de construction
- Buyer
- Tiefbauamt Graubünden
- Published
- December 22, 2025
Description
tirants d'ancrage passifs 870 pc; béton projeté 2'300 m2; excavation 5'850 m3; demolition de roches 2'650 m3
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