Authorizing the revision of lines and grades on a portion of City Plan No. 307 by striking from the City Plan and vacating Ridge Avenue from Vine Street to the intersection of Eighth Street and Race Street and reserving and placing on the City Plan a right-of-way for various purposes within the lines of Ridge Avenue being stricken and authorizing acceptance of the grant to the City of the said right-of-way, under certain terms and conditions. — Open Common Ground