Authorizing the revision of lines and grades on a portion of City Plan No. 120 by striking from the City Plan and vacating Nicholas Street and Turner Street, each from Twentieth Street to Twenty-First Street, and reserving and placing on the City Plan rights-of-way for various utility purposes within the beds of Nicholas and Turner Streets being stricken and authorizing acceptance of the grant to the City of the said rights-of-way, all under certain terms and conditions.