AN UNPLANNED ROOF FALL OCCURRED 1 BRK INBY SPAD #1586 AND WAS DISCOVERED WHILE EXAMINING EP'S THE FALL MEASURED APPROX. 40FT X 20FT W X8FT H THE FALL AREA WAS DANGERED OFF AND WILL NOT BE REHABILITATED. THE FALL WAS APPROXIMATELY 1 MILEFROM AN ACTIVE FACE.