Open invitation to tender, deadline 23.02.09, for engineering design services for renovation of 5.7 km-long N3 Kerenzer tunnel. Tenders or requests to participate to OFROU, Winterthour, Attn N03/70 Kerenzertunnel EK BSA, tel +41 522344-711, Fax -790, e-mail winterthur@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=027433-2009, OJ S19. 08/09.
