EE WAS STANDING BESIDE A 8"" FROZEN SLURRY LINE. HE WAS CHIPPING ICE WHICH EXITED THE PIPE & LODGED AGAINST HILLSIDE. HE WOULD CHIP A PIECE OUT &ANOTHER WOULD COME OUT & GET LODGED. HE DID THIS ABOUT 3 OR 4 TIMES WHEN PRESSURE OR SOMETHING CAUSED THE PIPE TO MOVE POSSIBLY STRIKING HIM. THE PIPE RAISED UP AND LANDED ABOUT 80' UP THE HILL.