OCCURRED AT RETURN OVERCAST-WEST MAINS. FALL IS APP. 16'L X 16'W X 6'H. THIS AREA WAS BOLTED WITH 7' RESIN BOLTS IN ADVANCE-15' & 18"" COMBINATION BOLTS WERE USED ON BROWS WITH STEEL BEAMS. TOP WAS RE-BOLTED WITH 5' RESIN BOLTS. STEEL ARCHES USED FOR ADDITIONAL PROTECTION.