Open invitation to tender, deadline 18/05/2020, to provide support to the contracting authority for the Fasenstaub’s safety tunnel project which is part of the N04/06 motorway. The duration of the contract is from 01/08/2020 to 31/12/2029. Further tender information can be found here (German) and/or here (French) also here . Contact Ofrou, Winterthour, tel +41 58 480 47 11, fax +41 58 480 47 90, email beschaffung.winterthur@astra.admin.ch. Ref.n. 090229. 18/20.
