Client
CERN European Organization for Nuclear Research, CH-1211 Geneva
Designer
JV Origin
Setec, FR-69006 Lyon
CSD Ingénieurs SA, CH-1007 Lausanne
Rocksoil Spa, IT-20121 Milano
Time of Completion
04.2018 – 08.2022
Contract Sum
CHF 67.7 Mio.
Execution of the Work
Joint Venture Marti Meyrin
Consortium Partners
Marti Tunnel AG, CH-3302 Moosseedorf
Marti GmbH Deutschland, DE-70567 Stuttgart
Marti GmbH Österreich, AT-8045 Graz
Lead Company – Technical and Commercial Lead
Marti Tunnel AG, CH-3302 Moosseedorf
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Project description
HiLumi LHC Project Point 1
Extension of particle accelerator
Access Shaft Ø 12 m, depth 60 m
Cryogenic Cavern L = 51 m / B = 18 m / H= 20 m
Long Power Converter Tunnel L = 300 m
Service Tunnels 4 pces / Ø 3 m / L = 200 m
5 complex industrial buildings
Work description
Overground
Complex industrial buildings 5 pces
Underground
Excavation 50'500 m³
Shotcrete (unreinforced, with fibres / net) 7'300 m³
Anchors 13'300 m
Steel construction 382 t
Formwork 16'300 m²
Reinforcement 935 t
In-situ concrete 17'800 m³
Waterproofing 16'800 m²
Geology
- Fresh water molasses:
- 50% Sandstones
- 50% marl
Contact
Marti Tunnel AG
Seedorffeldstrasse 21
CH-3302 Moosseedorf
Tel. +41 31 388 75 10
tunnel@martiag.ch
