Open invitation to tender, deadline 15/09/2025, for the surveillance of infrastructures managed by Società Autostrada Tirrenica p.a., pursuant to the LLGG Bridges (Ministerial Decree 204/2022) and LLGG Tunnels (Ministerial Decree 247/2022), and tests and investigations in support of the surveillance service. Click here for bid documents and where tenders must be sent. Value of contract is EUR 1.54 million, excluding VAT. Contact SAT Società Autostrada Tirrenica p.A., Rome, tel +39 0643634763, email autostradatirrenica@pec.tirrenica.it. Visit https://ted.europa.eu/en/notice/-/detail/427044-2025. Ref.n. 20-S-2025. 27/25.