TBM modification and excavation of remaining tunnel stretch
2011 | 2013
Project details:
- Design of TBM modifications from DS to DSU.
- Excavation and lining of the chamber for the TBM modification and re-starting operations.
- Excavation and lining of the remaining tunnel stretch.
- Excavation and lining of the tunnel widening for the TBM final disassembling.
- Topographic surveys.
- Supply of technical and administrative personnel.
- Supply of materials.
Geology summary: marble interspersed with levels of chloritic and carbon schists; chloritic schists with Quartzite