3B - RESOLUTION AUTHORIZING ADDITIONAL EXPENDITURE AUTHORITY IN THE AMOUNT OF $6,665,500.00 FOR A TOTAL MODIFIED CONTRACT AMOUNT OF $100,904,735.00 FOR CONTRACT NO. RFP-01258, BAGGAGE HANDLING SYSTEM OPERATION AND MAINTENANCE, FOR THE MIAMI-DADE AVIATION DEPARTMENT; AND AUTHORIZING THE COUNTY MAYOR OR COUNTY MAYOR'S DESIGNEE TO EXECUTE SUPPLEMENTAL AGREEMENT NO. 2 AND EXERCISE ALL PROVISIONS CONTAINED THEREIN, PURSUANT TO SECTION 2-8.1 OF THE CODE OF MIAMI-DADE COUNTY AND IMPLEMENTING ORDER 3-38(Strategic Procurement)