WALKING TO MECHANIC TOOL AND PARTS SLED AND STEPPED ON ROOF BOLTING MODULE, HE SLIPPED AND TWISTED HIS RIGHT ANKLE, VICTIM CONTINUED TO WORK ON HIS NORMAL JOB UNTIL 3-28-02 AT WHICH TIME HE BE GAN LOSING TIME. ORIGINALLY FIRST AID, EE BEGAN LOSING TIME MARCH 28, 2002.