A ROCKBURST OCCURRED ON THE 5500 LEVEL IN THE 31DOWN RAMP STOPE. THE ROCKBURST WAS TRIGGERED BY DISTRESS HOLES THAT WERE DRILLED AND SHOT WITH THE ROUND THAT WAS BLASTED AT THE SAME TIME. DAM AGE CONSISTED OF 30'OF THE FOOTWALL FLOOR BEING DISTURBED. THE CONCUSSION TORE SOME OF THE GROUND SUPPORT AROUND THE AREA FOR 50'FROM THE FACE. ESTIMATED TIME TO REPAIR, 2-3 WEEKS.