ROOF FALL ON MAIN SECTION BETWEEN #1 & #2 ENTRIES. FALL IS APPROX. 65'LONG X 19'WIDE. DIDN'T BLOCK WALKWAY OR AFFECT VENTILATION. FOUND ON WEEKLY EXAM. FALL IS APPROX. FROM SPAD 2509. DEVELOPE D 9/1 & 9/5/03. BOLTS USED WERE 6'POINT ANCHOR BOLTS. APPROX. 6-7000 OUTBY LOB. 8-10'HIGH.