8P1 - RESOLUTION AUTHORIZING ADDITIONAL EXPENDITURE AUTHORITY IN THE AMOUNT OF $6,297,661.00 FOR A TOTAL MODIFIED AMOUNT OF $12,156,661.00 FOR CONTRACT NO. EVN0000429, CRYOGENIC OXYGEN PLANT MAINTENANCE AND TECHNICAL SUPPORT SERVICES (GROUP 1), FOR THE WATER AND SEWER DEPARTMENT; AND AUTHORIZING THE COUNTY MAYOR OR COUNTY MAYOR'S DESIGNEE TO EXERCISE ALL PROVISIONS OF THE CONTRACT, INCLUDING ANY CANCELLATION OR EXTENSIONS, PURSUANT TO SECTION 2-8.1 OF THE CODE OF MIAMI-DADE COUNTY, FLORIDA AND IMPLEMENTING ORDER 3-38(Strategic Procurement)