Open invitation to tender, deadline 01/03/2021, for the upgrading of the ventilation equipment (Renewal / refurbishment of the building ventilation systems (HVAC) of these plants) on the St. Gallen-East - St. Gallen-West section of the N01, including 4 tunnels, 8 tunnel power stations and an open air section. Duration of the contract is from 01/05/2021 to 31/12/2025. For further information on the tender click here (German) and/or here (French) and here. Contact Ofrou, Winterthour, email beschaffung.winterthur@astra.admin.ch. Ref.n. 070054. 03/21.
