A roof fall occurred 4 main 14 x-cut from #5 to and including #6 intersection. Fell above anchorage. 6' fully grouted super twist bolts and 12' post tension cable bolts were in use. The x cut from 5 to 6 had 12 wood cribs in it. no men or machines injured or trapped no ventilation or travel offected. 3 x-inby feeder.