EE WAS IN THE PROCESS OF RECOVERING FLOOR MOUNTED BELT STRUCTURE ONT HE 700 LEVEL NEAR AREA 23. THE FLOOR STANDS WERE PARTICALLY BURN IN THE MUCK SO HE AND CO WORKERS WERE PUSHING AND PULLING ONE EACH STAND TO LOOSEN THEM SO THEY COULD BE PICKED UP. WHEN EE PULLED ON THE STAND HE FELT PAIN IN HIS RIGHT SHOULDER.