A ROOF FALL OCCURRED ON THE NO.1 BELT A MAINS NO.4 ENTRY AT SURVEY STATION NO. 93 INTERSECTION 4 WAY THE FALL WAS APPROX. 30 FT LONG X 18 FT WIDE 7 FT HIGH. THE FALL CONTAINED 6 FT RESIN TENSI ON BOLTS AND FLOOR TO ROOF SUPPORT. THE AREA WASDEVELOPED 9-97. THE CAVITY WAS RESUPPORTED TO PLAN AND THE FALL WAS CLEANED UP.