Swiss - Ceneri Tunnel - Wastewater treatment plant The aim of the works is the implementation of the civil engineering works, the electromechanical part, relative management and consequent dismantling of the treatment plant for the...

Switzerland, Gambarogno - Modernization of Gambarogno railway The project consists in the upgrading of various artifacts of the railway line Bellinzona / Luino, track Ranzo - Cadenazzo developing on about 16km in a highly urbanized area. The...

Switzerland, Melide-Grancia Tunnel The contract, awarded by Pizzarotti SA,concerns the upgrading of the Melide-Grancia Tunnel on the Lugano Sud - Mendrisio motorway, with an extraordinary maintenance of the supporting...

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 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 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 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 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 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 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...