THE INTERVENTION INVOLVES WORKS TO RESTORE ENERGY EFFICIENCY AND ENERGY EFFICIENCY OF THE BUILDING CALLED THE ‘CITIZEN’S HOTEL’, WHICH IS DESIGNED TO PROVIDE A TEMPORARY RECEPTION AT NIGHT OF RESIDENTS WHO ARE SERIOUSLY MARGINALISED. THE MAIN OBJECTIVE OF THE PROJECT IS TO IMPROVE THE ARCHITECTURAL QUALITY OF THE STRUCTURE THROUGH INTERVENTIONS ON OPAQUE SURFACES (PERIMETER WALLS AND SOLAI), THE REPLACEMENT OF EXTERNAL WINDOW FRAMES AND MEASURES TO ADAPT AND IMPROVE TECHNOLOGICAL SYSTEMS.