7 mains track, 6 entry, 30 block, 4-way MMU 004-15 ft long x 18 ft wide x 8 ft high. Support: 6 ft 3/4 inch resin bolts, screen, pans dywidag truss bolts, straps 6-12 ft fall dangeged off, additional roof support installed around fall clean-up plan developed and posted at fall site.