3G - RESOLUTION APPROVING SUPPLEMENTAL AGREEMENT NO. 1 TO THE DESIGN-BUILD SERVICES AGREEMENT FOR PROJECT NO. DB19-DTPW-01, CONTRACT NO. CIP155-DTPW19-DB, BETWEEN OHLA USA, INC. AND MIAMI-DADE COUNTY FOR THE SOUTH CORRIDOR TRANSITWAY PROJECT FROM SW 344 STREET TO DADELAND SOUTH STATION FOR THE DEPARTMENT OF TRANSPORTATION AND PUBLIC WORKS, INCREASING THE CONTRACT TERM BY 507 CALENDAR DAYS AND THE CONTINGENCY TIME BY 51 CALENDAR DAYS, RESULTING IN A REVISED CONTRACT DURATION OF 1,884 CALENDAR DAYS AND A REVISED CONTINGENCY PERIOD OF 189 CALENDAR DAYS; REPLENISHING CONTINGENCY FUNDS PREVIOUSLY UTILIZED; APPROVING A TOTAL FISCAL IMPACT OF $387,681,818.42, TO BE FUNDED FROM THE PROJECT CONTINGENCY; AUTHORIZING THE COUNTY MAYOR OR COUNTY MAYOR'S DESIGNEE TO EXECUTE THE SUPPLEMENTAL AGREEMENT AND EXERCISE ALL PROVISIONS CONTAINED THEREIN; AND AUTHORIZING THE USE OF CHARTER COUNTY TRANSPORTATION SURTAX FUNDS FOR THIS PROJECT WHICH WAS ADDED TO THE PEOPLE'S TRANSPORTATION PLAN IN FEBRUARY 2020(Transportation and Public Works)