Open Procedure Pursuant To Art. 71, Legislative Decree No. 36/2023, Divided Into Three Lots, Aimed At The Stipulation Of A Con-Entry Bridge For The Assignment, For The Duration Of Twenty-Four Months, Of The Service Of Collection, Transport And Recovery/Disposal Of Sanitary Waste (With Cer 18 Code, With Cer Code Different From 18 And Radioat-Sections) Produced By The Arnas Garibaldi Of Catania