Open invitation to tender, deadline 24.04.2009, for security improvements in Fasenstaub tunnel (1,459 m), canton of Schaffhausen, and in Cholfirst tunnel (1,260 m), canton of Zurich, on N04/06. For more information contact OFROU, Winterthour, tel +41 5223447-11, fax -90, e-mail winterthur@astra.admin.ch. Tenders must be sent to OFROU, Winterthour, attn: N04/06 -Sécurité des tunnels - Etat-Major/BAMO. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=72716-2009, OJ S 50. 12/09.
