EMPLOYEE WAS CARRYING BUCKETS OF WATER FROM THE CH #6 BELT FEEDER TO BUILD AN OVERCAST. HE FELT PAIN IN MIDDLE OF HIS BACK. BEGAN LOSING TIME 8-19-11. DIAGNOSIS IS DISC DAMAGE IN LOWER BACK - COMP CLAIM BEING DENIED - AS NON-WORK RELATED - REPORTING TO PRESERVE 10 REPORTING.