Open invitation to tender, deadline 27/07/2023, for the assistance to the client for the study of the redesign of the ventilation of the Mont Blanc tunnel. Click here for tender documents and where tenders must be sent. Value of the contract is EUR100,000, excluding VAT. Duration of contract 40 months. Contact GEIE du Tunnel du Mont-Blanc, Chamonix, tel +33 450553947, email U.acquisti@tunnelmb.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=425705-2023 and http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=367823-2023. Ref.n. 13035 - AMO VENT. 29/23.