IT WAS A VERY COLD (-27 DEGREES F) AND FROSTY MORNING. THE OPERATOR WAS GOING TO DISMOUNT THE EXCAVATOR AND WHEN HE GRABBED THE HANDRAIL HIS HAND SLIPPED OFF CAUSING HIM TO LOSE HIS BALANCE AN D FALL TO THE GROUND. IT WAS A FALL OF ABOUT 8' - 9'. HE FELL ON HIS RIGHT SIDE CAUSING THE DAMAGE TO HIS PELVIS AND SHOULDER AREA.