EAST 2 31 BLOCK #3 HEADING 4-WAY INTERSECTION MMU 007. 16 FT WIDE X 20 FT LONG X 16 FT HIGH.TYPE OF SUPPORT: 6 FT RESIN BOLTS & 6"" X 16"" PLATES, 20 FT CABLE BOLTS & 8"" X 8"" PLATES ROOF MATS. F ALL DANGERED OFF, ADDITIONAL ROOF SUPPORTS SET AROUND FALL.