SWITZERLAND

 

 

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Switzerland - Gotthard Base Tunnel

Switzerland - Gotthard Base Tunnel

Construction of the Faido shaft for the access to the Gotthard base tunnel. Excavation of a 2760m long passage with an average section of 60m² and an average gradient of 12.7%....

Switzerland, Lugano - Vedeggio - Cassarate Tunnel

Switzerland, Lugano - Vedeggio - Cassarate Tunnel

Construction of a 60m long approach cutting and a tunnel and passage with a length of 210m in loose material composed mainly of gravel and silt. Retention of the cutting by secant...

Switzerland - Vezia portal

Switzerland - Vezia portal

Lot 854 “Underground works and cut and cover tunnel at Vezia” is for the construction of the entrance in Vezia to the Ceneri Base Tunnel including approximately the first 550m of the...

Switzerland - Ceneri tunnel 853 - Vigana Portal

Switzerland - Ceneri tunnel 853 - Vigana Portal

Lot 853 “Interventions on the North Portal Vigana area” consists of a twin-tube tunnel and two caverns, one of which is partially under the surface of the motorway. The external works...

Switzerland - Basis tunnel - Sedrun stretch on the Gotthard railway line

Switzerland - Basis tunnel - Sedrun stretch on the Gotthard railway line

Building of two tunnels each approx. 6.3 km and of the caverns of the multifunctional area of the Gotthard base tunnel. Access to the underground sites only through two vertical wells...

Switzerland - Lugano Bellinzona Viaduct

Switzerland - Lugano Bellinzona Viaduct

The Lugano – Bellinzona Viaduct (Lot 781) has an overall length of 1000m and involves the construction of special foundations (bored piles and jet-grouting consolidation), substructure...

Swiss - Gotthard Base Tunnel  (Lot 553 Bodio) - Excavation in loose material

Swiss - Gotthard Base Tunnel (Lot 553 Bodio) - Excavation in loose material

Excavation in loose material for 820m of double tube tunnel in the Bodio section of the Gotthard Base Tunnel. The two tunnels pass through a cone of detritus formed by loose material...