European Open Procedure Tender Pursuant To Art. 71 Of Legislative Decree 36/2023 And Subsequent Amendments. With Procedural Reversal, For The Assignment Of Concierge Services, Fire Surveillance, Armed Security, Surveillance And Control And Removals At The Premises Of The Polytechnic Of Turin For The Five-Year Period July 2026 June 2031 (Including Any Renewal) Lot No. 1: Concierge Service