A FALL MEASURING 20' X 20' X 0-10' HIGH SLIP FALL ABOVE ANCHORAGE. 6' PA AND 8' SUPER BOLTS CENTER OF INTERSECTION. FALL LOCATED AT THE INTERSECTION ONE BREAK INBY SURVEY STATION 2170. VENTILA TION NOT DISTURBED. NO INJURY OCCURRED. THE FALLWILL NOT BE CLEANED UP. SLICK SIDED SLIP ABOVE ANCHORAGE.