Open Procedure Pursuant To Art. 71 Legislative Decree 36/2023 For The Awarding Of The Reserved Contract Pursuant To Art. 61 Legislative Decree 36/2023 Aimed At Stipulating A Framework Agreement With A Single Economic Operator Concerning The Urban Hygiene Service (Separate Waste Collection, Sweeping And Cleaning Of Public Areas) To Support Seasonal Increases For The Municipalities Managed By Rea S.P.A.