AN UNINTENTIONAL ROOF FALL ON HEADGATE 11 IN ENTER NO. 2 AT OR NEAR SPAD NO. 10496. THE FALL WAS APPROX. 25 FEET LONG 20 FT WIDE AND 5 FT THICK. 4 FT RESIN BOLT WAS USED IN THIS AREA WITH CABL E BOLT IN THE INTERSECTION. NO ONE INJURY OR EQUIPMENT DAMAGE. THE FALL WAS CLEAN UP.