AN UNPLANNED ROOF FLAL WAS DISCOVERED BY THE FIREBOSS DURING HIS WEEKLY EXAMINATION OF THE INTAKE AIRWAY ON 1-7-2000. THE FALL WAS LOCATED AT OLD 29 LEFT, 9 ENTRY, 37 CROSSCUT. THE FALL WAS TI MBERED OFF AND THE ESCAPEWAY WAS REROUTED. THE FALL MEASURED 20' W, 20' L, 5' HIGH. THE AREA WAS SUPPORTED WITH 4' RESIN ROOF BOLTS.