EXPLORATORY NOTICE FOR THE ACQUISITION OF DISPLAY OF INTEREST IN PARTICIPATING TO THE NEGOTIATION PROCESS EX ART. 36 COMMA 2, D.LGS 50/2016 BELOW EU THRESHOLD, FOR THE APPOINTMENT OF A CONTRACTOR FOR MAINTENANCE SERVICES OF MECHANICAL/AIR CONDITIONING/HEATING/FRESH AIR SUPPLY EQUIPMENT/ELECTRIC/WATER PLUMBING AND DRAINAGE SYSTEMS SERVICES FOR YEAR 2022, (01.02.2022 – 01.02.2023).