WHILE MAKING WEEKLY EXAMINATION A ROOF FALL WAS DISCOVERED AT 2ND EAST MAINS #1 HEADING LEFT RETURN AT S.S. #10316, SIZE APPROX. 50' LONG X 18' WIDE X 8'-10' HIGH. AREA HAS BEEN DANGERED OFF. FALL WILL NOT BE CLEANED UP AND DOES NOT EFFECT VENTILATION OR TRAVELWAY.