AN UNINTENTINAL ROOF FALL WAS DISCOVERED ON D-7 PANEL 001-0 NO.7 ENTRY 3WAY INTERSECTION AT SURVEY STATION NO 5442 ON 11/20/00 AT 5PM. THE FALL WAS APPROX 18'L, X18' WIDE & 10' HIGH. THE FALL CONTAINED 8FT 3/4"" RESIN BOLTS. THE AREA WAS DEVELOPED 10/27/00. THE FALL HAS BEEN DANGERED OFF & ADDL SUPPORT ADDED AROUND IT THE FALL WILLNOT BE CLEANED UP