Open invitation to tender, deadline 14/05/2025, for implementation of the virtualisation of energy distribution, lighting and ventilation controls, as well as the supply and installation of re-lamping equipment in the (1,345 m, 1,345 m) Glion tunnel on the N09. Click here for bid documents and where tenders must be sent. Duration of contract is from 15/08/2025 to 15/12/2026. Contact Ofrou, Estavayer-le-Lac, tel +41584618711, email marchespublics.estavayer@astra.admin.ch. Visit https://ted.europa.eu/en/notice/-/detail/154217-2025. Ref.n. N09.52 MP-210021. 11/25.