Framework Agreements With Single Operator For The Entrusting Of Engineering And Architecture Services Relating To The Interventions On The Buildings Of The Bank Of Italy Located In The Regions Of Abruzzo/Molise (Lot 1), Marche/Umbria (Lot 2), Piedmont/Liguria/Valle D'Aosta (Lot 3), Campania (Lot 4), Veneto/Trentino Alto Adige/Friuli Venezia Giulia (Lot 5).