Open invitation to tender, deadline 04/08/2022, for the maintenance of video surveillance systems in the Mont Blanc tunnel. For tender documents please click here, where tenders must be sent. Value contract EUR532,000, excluding VAT. Duration contract 48 months. Contact GEIE du Tunnel du Mont-Blanc, Chamonix, tel +33 450548421, email C.palombo@tunnelmb.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=354603-2022. Ref.n. 2022-14. 27/22.