AN UNPLANNED ROOF FALL OCCURRED ON THE TILLEY SECTION #6 ENTRY NEAR SPAD #2801. THERE IS NO ACTIVE FACE, TRANSFER SYSTEM ONLY. THE FALL MEASURED 40' L X 20' W X 5' H. VENTILATION WAS NOT AFFEC TED. ALL ENTRANCES TO THE FALL HAVE BEEN BREAKERED OFF AND WILL NOT BE REHABILITATED.