AN UNINTENTIONAL ROOF FALL WAS DISCOVERED ON THE1-NORTH MAINS #5 ENTRY AT SPAD #604. FALL MEASURED ABOUT 60' LONG, 20' WIDE, UNKNOWN HEIGHT. THEAREA WAS SUPPORTED WITH 5' RESIN BOLTS. THE FALL WILL NOT BE CLEANED UP. NO INJURIES OR EQUIPMENTCAUGHT AS A RESULT OF THIS FALL.