EE WAS STEPPING OVER TRACK RAILS TO GET INTO A JEEP AT THE UNDERGROUND SHOP. HE WAS CARRYING A BOX OF DRINKING WATER IN ONE HAND AND A TROLLEY POLE IN THE OTHER. HE TRIPPED ON THE RAIL AND FE LL TO HIS KNEES, STRIKING HIS LEFT KNEE ON THE JEEP. NOTE: MEDICAL ATTENTION SOUGHT 2/13; FIRSTDAY OFF DUE TO INJURY 2/19/01.