AN UNINTENTIONAL ROOF FALL WAS DISCOVERED 10/24/00 ON A-3 MAINS 1 BREAK INBY SPAD 176 IN NO.8 INTERSECTION CROSSCUT 2 NO.0 INTERSECTION. THE FALL WAS APPROX 80'LONG X 16'WIDE X 12'HIGH. THE AR EA WAS DEVELOPED 4/28/98. THE FALL CONTAINED 6' RESIN BOLTS, CRIBS & POSTS. THE FALL IN NO.8 INTERSECTION WAS RE-SUPPORTED & CLEANED UP.