Approving the redevelopment proposal of the Redevelopment Authority of the City of Philadelphia for the redevelopment of the Greenway Urban Renewal Area being the area generally bounded by Chester avenue on the north, South Forty-ninth street on the east, Woodland avenue on the south and South Fifty-second street on the west; approving the urban renewal plan and determining that such plan and redevelopment proposal conform to the general locality plan and make adequate provisions for individuals, business concerns and families who are displaced; determining the necessity for changes in and for — Open Common Ground