8N2 - RESOLUTION APPROVING SUPPLEMENTAL AGREEMENT NO. 1 TO PROFESSIONAL SERVICES AGREEMENTS BETWEEN MIAMI-DADE COUNTY AND BCC ENGINEERING, LLC, EAC CONSULTING, INC., AND WSP USA, INC., RESPECTIVELY, TO PROVIDE PROFESSIONAL SERVICES FOR BRIDGE STRUCTURAL ENGINEERING PROJECTS, CONTRACT NUMBER CIP240-DTPW20-DE (1-3), INCREASING THE CONTRACT AMOUNT BY $3,300,000.00 PER AGREEMENT, INCLUSIVE OF A CONTINGENCY AMOUNT OF $300,000.00, FOR A NEW TOTAL CONTRACT AMOUNT NOT TO EXCEED $6,600,000.00 PER AGREEMENT; AND AUTHORIZING THE COUNTY MAYOR OR COUNTY MAYOR'S DESIGNEE TO EXECUTE SAME AND TO EXERCISE ALL PROVISIONS CONTAINED THEREIN(Transportation and Public Works)