NORTH MAINS 45 BLOCK #4 HEADING, 4-WAY INTERSECTION MMU-003 8 FT HIGH BY 18 FT WIDE BY 25 FT LONG. TYPE OF SUPPORT 6 FT RESIN BOLTS, 6"" BY 16"" PLATES, ROOF MATS, WIRE SCREEN, 12 FT CABLE BOLTS . FALL AREA DANGERED OFF, ADDITIONAL ROOF SUPPORTS SET AROUND FALL.