Open invitation to tender, deadline 12/04/2023, for the maintenance of HT equipment in the Mont Blanc tunnel on the A5 motorway. Click here for tender documents and where tenders must be sent. Value of the contract is EUR260,000, excluding VAT. Duration of the contract is 48 months. Contact ATMB, Bonneville, email service.achats-marches@atmb.net. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=157069-2023. Ref.n. S DG/GVZ/VPC n°2023-15. 11/23.