EE WAS DRAGGING FIREHOSE ON THE 7TH FLOOR OF THE PREP PLANT. THE HOSE CAUGHT ON TO THE EDGE OF THE STEPS. CAUSE OF THE INJURY WAS OVEREXERTION. COMPLIANCE WITH RULES/REGS NOT A FACTOR, PROTECT IVE EQUIPMENT NOT A FACTOR, MINER PROFICIENCY A FACTOR, MINING EQUIPMENT/SYSTEMS NOT A FACTOR.