Client
République et Canton du Jura, CH-2800 Delémont
Designing Engineer and Site Supervision
GETUC Groupement d’Etudes Tunnel de Choindez,
CH-2800 Delémont
GVH Delémont SA, BG Ingénieurs Conseils SA,
GGT SA, CH-2800 Delémont
Time of Completion
05.2011 – 09.2015
Contract Sum
CHF 190 Mio.
Execution of the Work
Groupement Tunnel de Choindez
Consortium Partners
Marti Tunnel AG, CH-3302 Moosseedorf
Parietti et Gindrat SA, CH-2900 Porrentruy
Marti Travaux Spéciaux Neuchâtel SA, CH-2087 Cornaux
Lead Company – Technical and Commercial Lead
Marti Tunnel AG, CH-3302 Moosseedorf
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Scope of the Works
Tunnel de Choindez – National road A16 (CH)
Lot 8.500, section 8
Delémont East – Frontier Canton Jura-Berne
- Double-track tunnel L = 2’790 m
- North portal: cut and cover section L = 420 m
Activities
- Total excavation volume 343‘000 m³
- transport with convey in the existent
pilot gallery from the south to the north portal
South portal - Drill and blast method in limestone total 2‘028 m
- Road-header advance in marl total 353 m
- Ventilation cavern 22‘000 m³
- Ventilation gallery A = 14 m², L = 125 m
North portal - First 405 m with pipe umbrella excavation
- Cut and cover concrete tunnel 420 m
Inner lining - Waterproofing membrane
- Concrete lining and suspended ceiling
- Total concrete 162‘000 m³
Contact
Marti Tunnel AG
Seedorffeldstrasse 21
CH-3302 Moosseedorf
Tel. +41 31 388 75 10
tunnel@martiag.ch
