PON METRO CITY OF PALERMO ECO-SUSTAINABLE WATERFRONT REDEVELOPMENT BARCARELLO LOCAL CODE PA6.1.4.E*VIA BARCARELLO*THE INTERVENTION INCLUDES THE GREEN ARRANGEMENT OF SURFACES SUBJECT TO ANTHROPOGENIC ALTERATION, THE ECO-SUSTAINABLE RECONSTRUCTION OF THE PEDESTRIAN SPACES OF VIA BARCARELLO AND THE CONSTRUCTION OF A PEDESTRIAN CYCLE TRACK