An unplanned roof fall was discovered at old #15 belt in the track entry, size was est. to be 30'L x 18-20'W x 4-5'H. The area had been bolted with 5' fully grouted resin bolts with supplemental support consisting of 9' cables bolts, no injuries, no equipment caught or ventilation was not altered. fall will not be cleaned up. location of fall was #33 break track entry spad #9075.