The mandate concerns the services of the Directorate-General for Works (DGT) for civil engineering measures (GC) and for those relating to operating and safety equipment (EES) in connection with the rehabilitation of the Aria ventilation shaft, the rehabilitation of the technical compartments of the tunnel, including the ancillary installations (FEDRO FB8) contained therein, the rehabilitation of the signage and the approach areas of the tunnel, the rehabilitation of the existing motorway service area at the south portal and its temporary/permanent relocation.

Also included are DGT services related to the completion (phase 53 SIA documentation of the work carried out, return to operation and counting) of the main measures in progress (replacement of ventilation, replacement of video surveillance, renovation of the intermediate slab, renovation of the platform).

The number of hours available is 9000, including direction.

The mandate concerns the services of the Directorate-General for Works (DGT) for civil engineering measures (GC) and for those relating to operating and safety equipment (EES) in connection with the rehabilitation of the Aria ventilation shaft, the rehabilitation of the technical compartments of the tunnel, including the ancillary installations (FEDRO FB8) contained therein, the rehabilitation of the signage and the approach areas of the tunnel, the rehabilitation of the existing motorway service area at the south portal and its temporary/permanent relocation.

Also included are DGT services related to the completion (phase 53 SIA documentation of the work carried out, return to operation and counting) of the main measures in progress (replacement of ventilation, replacement of video surveillance, renovation of the intermediate slab, renovation of the platform).

The number of hours available is 9000, including direction.