3A - RESOLUTION APPROVING FIRST AMENDMENT TO THE PROFESSIONAL SERVICES AGREEMENT WITH GPI GEOSPATIAL, INC, FOR PHOTOGRAMMETRIC MAPPING, TOPOGRAPHIC, PLANIMETRIC AND LIGHT DETECTION AND RANGING (LIDAR) SERVICES, INCREASING AGREEMENT AMOUNT BY $5,954,850.00, FOR A NEW NOT TO EXCEED CONTRACT AMOUNT OF $14,253,043.75; AND AUTHORIZING THE COUNTY MAYOR OR COUNTY MAYOR'S DESIGNEE TO EXECUTE SAME AND EXERCISE THE PROVISIONS CONTAINED THEREIN(Aviation Department)