Open invitation to tender, deadline 23/12/2020, for the inspection of highway structures belonging to the Ofrou’s inspection zone 3 from April to September 2021 . The contract includes 5 tunnels and 69 drainage systems on the N01/50, N01/52, N01/54, N01/55, N25/02, N25/04, N25/06, N01/56 and N23/06 motorways. For more information on the tender click here (German), here (French) and here. Contact Ofrou, Winterthour, tel +41 58 480 47 11, fax +41 58 480 47 90, email beschaffung.winterthur@astra.admin.ch. Ref.n. 170004. 47/20.
