In by spad #2517 1 rt old panel (9 belt) Top fell approx 6' high 60-70' length and 16' wide. Cover 350'. Area bolted with 6' resin bolts 8 by 8 plates and #12 had T-channels installed. Fall started 2' in by #11. Will not be cleaned up. Found in weekly exam. Posted and dangered off area.