In order to initiate an urban renewal project, the Council shall adopt an act which: Finds that one or more slum or blighted areas exist in the County; Locates and defines the slum or blighted areas; Finds that the rehabilitation, redevelopment, or a combination thereof, of such area or areas, is necessary in the interest of the public health, safety, morals, or welfare of the residents of the County; and, With respect to incorporated areas, the Council shall comply with Subsections (a)(1), (2), and (3) of this Section and make a request to the municipality to initiate the project.