1M. APPROVE CONTRACT CHANGE ORDER NO. 9 WITH STEVE P. RADOS INC., IN THE AMOUNT OF $336,049.59, AND APPROVE AMENDMENT NO. 6 UNDER PROFESSIONAL SERVICE AGREEMENT NO. A9141 WITH MWH CONSTRUCTORS INC., IN THE AMOUNT OF $21,296.00 FOR CONSTRUCTION MANAGEMENT AND INSPECTION SERVICES FOR WWTP DIGESTER NO. 2, WASTE GAS FLARE AND FILTRATE PUMP STATION, CITY PROJECT CP 20-25 & 21-07