AN UNINTENTIONAL ROOF FALL OCCURRED IN THE E15 (026) SECTION BELT ENTRY BETWEEN X CUTS 30 AND 39. THE FALL MEASURE 30X20 X UNKNOWN HT. AND PARTIALLY COVERED A MOBILE BRIDGE CARRIER AND A CONVE YOR. THE AREA WAS SUPPORTED WITH 5' RESIN AND 8'INSATLL RIBLINE BOLTS, WITH ROOF MATS ON 4'X4' MAXIMUM CENTERS. 12'AND 16' ROPE BOLTS WERE INSTALLED AS SUPPLEMENTAL SUPPORT. THE FALL DID NOT