Mining Reclaim Tunnels and Haul Road Overpasses Precast Arches
TechSpan ® is the leading precast tunnel system in the mining industry today.. Capable of carrying extreme loads from the highest mineral stockpiles and heaviest mine plant, TechSpan® is the ideal solution for reclaim tunnels, conveyor or rail tunnels under haul roads, drive tunnels, portals and many other applications where clearance is needed under a trafficable route or facility.