AN UNINTENTIONAL ROOF FALL OCCURRED ON THE WORKED OUT #2 PANEL LT OFF N WEST MAINS. FALL MEASURED APPROX 70' LONG X 20' WIDE X 8' HIGH. AREA HAD BEEN SUPPORTED WITH 4 & 5' RESIN RODS. THE FALL AREA WAS EXPERIENCING ADVERSE ROOF CONDITIONS DURING DEVELOPEMENT.