Open invitation to tender, deadline 16.10.2014, for the conclusion of the Riedberg tunnel (451.5 m, 587.15 m) excavation on A9 motorway. At the moment the two tubes are partially built: north tube 133m, south tube 192 m. Duration of contract from 02.03.2015 to 15.12.2019. Site visit will be held on 24.07.2014 at 10 a.m. Gampel-Steg station. Contact Office de construction des routes nationales, attn Elmar Meichtry, Glis. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=250441-2014 and www.a9-vs.ch. Ref. n. L05721. 30/14.
