Employer
Public work management of the canton of Zürich
Designer
Grouping of engineers N4.1.6
Time of Completion
2003 - 2008
Contract Sum
CHF 235 Mio.
Execution of the Work
ARGE IBT Islisbergtunnel
Consortium Partners
Marti Tunnelbau AG, CH-3302 Moosseedorf
Ed. Züblin, DE-70567 Stuttgart
Marti AG, Bauunternehmung, CH-8050 Zürich
Lead Company and Technical Lead
Marti Tunnelbau AG, CH-3302 Moosseedorf
Commercial Lead
Marti AG, Bauunternehmung, CH-8050 Zürich
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Scope of the Works
- Section Uetliberg West – Knonau
- 2 tunnels of 4'950 m
- Excavation cross section A= 110 m2
- 3 ventilation chambers north, south and central
- 15 pces cross cuts, of that 5 driveable
Activities
- TBM-drive Ø= 11.86 m with concrete segmental lining
- Inner lining with PE-waterproofing membrane, service duct, concrete internal ring and suspended ceiling
- Jetting drive in soft ground section at north and south portal
Geology
- Upper Zürich fresh water molasses
Contact
Marti AS
Karenslyst allé 4b
0278 Oslo
Tel. +47 23 12 06 55
Fax +47 23 12 05 10
info@marti-norge.no
