Employer
Bau-, Verkehrs- und Energiedirektion des Kantons Bern
Designer
Tunnel SEI, Ingénieurs-conseils SA, CH-2500 Biel
Trasseebau ATB SA, CH-2740 Moutier
Time of Completion
2006 - 2012
Execution of the Work
Groupement Tunnel de Graitery
Consortium Partners
Marti Tunnelbau AG, CH-3302 Moosseedorf
Parietti & Gindrat SA, CH-2900 Porrentruy
Marti Travaux Spéciaux SA, CH-2087 Cornaux
Pro Routes SA, CH-2710 Tavannes
Lead Company – Technical and Commercial Lead
Marti Tunnelbau AG, CH-3302 Moosseedorf
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Scope of the Works
National Highway A16, Moutier-Court,
Tunnel of Graitery
- Double track road tunnel
- Tunnel length: 2'462 m
- Safety tunnel parallel to the main tunnel
- Ventilation buildings at the 2 portals
Activities
- Excavation and stabilisation of the portal area with anchors, nails and shotcrete
- Driving of the tunnel in the portal area with pipescreen, placing of steelsupport and shotcrete
- Drill & Blast in the limestone sections
- Roadheader driving in the marl sections
- Tunnel lining with sole vault and suspended ceiling
Contact
Marti AS
Karenslyst allé 4b
0278 Oslo
Tel. +47 23 12 06 55
Fax +47 23 12 05 10
info@marti-norge.no
