Open invitation to tender, deadline 14.04.2015, for dismantling, disposal, supply and installation of exhaust and fresh air fans in the tunnels Mont Terri (4,068 m) and Mont Russelin (3,572 m) on N16 (Lot BSA. 004). Duration of contract 18.06.2015 to 31.10.2016. For further information go to http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=857491. Contact Ofrou, Estavayer-le-Lac, e-mail marchespublics.estavayer@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=082543-2015. Ref.n. N16.00 080494. 11/15.