FOUR ROOF FALLS HAVE OCCURED AT R DIFFERENT LOCATIONS ON THE 001-DMMU. THE ROOF FALLS ARE ABOVE THE ROOF BOLT ANCHORAGE ZONE. THE ROOF FALLS ARE APPROX 20' X 30' X 6' HIGH. THE ROOF FALLS IN THE #3 ENTRY IS IN THE INTERSECTION, THE FALL IN #5 ENTRY IS IN INTERSECTION. THE FALL IN #6 AND #7 ENTRIES ARE IN THE MAIN ENTRY