WEST MAINS #13 BLOCK #3 HDG. INTERSECTION PLUS 10 FT CROSS-CUT #3 TO #2 PLUS 50 FT CROSS-CUT #3 TO #4. 7 FT HIGH X 17 FT WIDE X 80 FT LONG. TYPE OF SUPPORT: 6 FT RESIN BOLTS, 6"" X 16"" PLATES, ROOF MATS, SCREEN. AREA DANGERED OFF. ADDITIONALSET AROUND FALL.