EE WAS OPERATING WATER TRUCK WHEN HE BECAME LIGHT HEADED. HE PULLED OVER, PARKING VEHICLE TO TAKE A BRIEF REST. HEAT EXHAUSTION SYMPTOMS THEN TOOK OVER AND A COWORKER REALIZED HE HAD BEEN PARK ED TOO LONG AND CHECKED ON HIM. EE WAS TRANSPORTED BY COMPANY VEHICLE TO MEDICAL ATTENTION WHICH HE RECEIVED 2 HOURS OF INTRAVENOUS FLUIDS & WAS THEN RELEASED.