Construction of Gracilli Tunnel

Contractor: Micos spa, Se. Gi. srl
Contracting Authority: RFI Rete Ferroviaria Italiana - DTP Roma
Works designed: Rockfall protection railway tunnel
Place of realisation of the works designed: Rome-Formia Railway Line
Value of the works designed: € 6.000.000
Tipology of Project: Rockfall protection railway tunnel
Service: Engineering- Geology - Geotecnics
Period of provision of the service: 2014

Description of the service provided

The work designed by ETS S.r.l. is a tunnel linking two existing tunnels on the Rome-Formia-Naples line, in the section between the Gracilli tunnels, from km 79+900 to km 80+100. The solution, designed further to investigations on the rock walls, was intended to protect the railway line and adjacent road from potential rockfalls.


40% Geology - Geotecnics

50% Engineering


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