Open invitation to tender, deadline 13.05.2011, for engineering services during the refurbishment of lots TP1 (Colombier - Serrières) and TP3 (Saint-Blaise - Cornaux) on N05 motorway, including ventilation and signalling equipment in tunnels. For more visit www.simap.ch/shabforms/servlet/web/DocumentSearch?NOTICE_NR=615327and contact ASTRA, Estavayer-le-Lac, tel +41 2666487-11, fax -90, e-mail marchespublics.estavayer@astra.admin.ch. Bid Code: N05.64 080142.Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=105873-2011. 15/11.