EE WAS REMOVING A PLUG FROM THE 54"" SAND SCREW WHILE DRAINING DOWN THE PLANT-WATER SPLASHED IN HIS FACE CAUSING HIM TO JUMP BCK, HE TRIPPED OVER A CONCRETE PIER AND FELL BACKWARDS ONTO A CONCR ETE PAD. HE REPORTED THIS TO SUPERVISOR LATER BECAUSE HE DID NOT WANT TO GO TO DR.