EE REPORTED: STANDING IN AN AREA WHERE THE ROOF HAD BEEN CUT OUT FOR AN OVERCAST, WHEN INSPECTING A DAMAGED PLACE ON A ROOF BOLTER CABLE A SMALL PIECE OF DRAW ROCK FELL APPROX. 12'HIGH STRIKIN G HIS RT. HAND RESULTING IN A 1""LACERATION (REQUIRING 5 SUTURES TO CLOSE). NO LOST TIME.