The Hydraulic Gantry was designed and created to fit several sizes of tunnels. It can travel using electric motors along the tunnel. The basket can get closer or move away from the sides of the tunnel as needed, thus, making up for changes in tunnel dimensions (according to conventional tolerances).
The Gantry was designed for a workload of 1000KG and tested and approved by a certified tester. All the electric motors, gears, and electrical panels meet the European CE standard.