Employer
Kraftwerk Amsteg AG, CH-6474 Amsteg
Schweiz. Bundesbahnen SBB, CH-3000 Berne 65
Site Supervision
IUB-Engineering AG, CH-3000 Berne 14
Time of Completion
10.2015 – 05.2018
Contract Sum
CHF 10.5 Mio.
Execution of the Work
ARGE Marti Amsteg
Consortium Partners
Marti Tunnel AG, CH-3302 Moosseedorf
Marti Bauunternehmung AG, CH-6005 Lucerne
Hydrojet AG, CH-4053 Basel
Lead Company and Technical Lead
Marti Tunnel AG, CH-3302 Moosseedorf
Commercial Lead
Marti Bauunternehmung AG, CH-6005 Lucerne
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Scope of the Works
Total refurbishment of the existing old pressure pipe (DSB)
- Length 7500 m
- Cross – section 8 – 10 m²
- Construction year 1922
Activities
- Concrete demolition and cladding by means of separated shotcrete (Existing lattice cladding)
(coating of the existing gallery) approx. 4’500 m- High pressure demolition approx. 20‘000 m²
- Sprayed concrete application
with steel fibers approx. 1’500 m³- Sprayed concrete application without
steel fibers approx. 3’000 m³- Anchors approx. 200 pces
- Injections (70’000 l) 34’000 pces
- Smoothing approx. 27’000 m²
Contact
Marti Tunnel AG
Seedorffeldstrasse 21
CH-3302 Moosseedorf
Tel. +41 31 388 75 10
tunnel@martiag.ch
