Approving the thirty-first amendment of the redevelopment proposal for the Model Cities Urban Renewal Area, being the area beginning at the northwest corner of Front street and Spring Garden street, including the twenty-third amendment to the urban renewal plan and the twenty-second amendment to the relocation plan, which provides, inter alia, for the additional land acquisition of approximately four hundred eighty-one (481) properties for residential and related uses; the additional land acquisition of approximately thirteen (13) additional properties for commercial and related reuse; the pro — Open Common Ground