EE WAS ATTEMPTING TO PLACE A HIGH PRESSURE HOSE INTO A SURFACE DRAIN IN ORDER TO FILL WITH WATER A SURFACE PIT USED TO WASH LIME FROM SEMI TRUCK. THE EE PLACED THE HOSE INTO THE DRAIN, WHILE W ATER WAS ON, AND WHEN HE LET GO OF THE HOSE HANDLE THE NOSE DUE TO PRESSURE, CAME BACK TO OF THE DRAIN STRIKING EE LEFT LEG. UPON INTINUED OBSERVATION AT DINIE INCIDENT WAS CLASSIFIED AS FIRS