||Gauteng Rapid Rail Link Tunnel (15 km of Underground Works)
The Gautrain Rapid Rail project links OR Tambo airport to Sandton, Johannesburg and Tshwane. The overall route length is 80 km length and serves 10 stations. Some 15 km of the route is underground as are three of the stations.
Tunnels, soft and hard tunnelling by TBM and drill and blast techniques, earthworks, bridges, viaducts, stations and the depot EM&M (mechanical and rolling stock, trackwork, signals and telecoms, fare collection and power), safety and security (including RAMS), noise and vibration, operations and feeder/distribution, management systems, relocation/ protection of utilities.