Ircon International has successfully completed main tunnel excavation of 12.76 km twin tube tunnel between Sumber and Arpinchala station of Katra-Banihal section of Udhampur- Srinagar-Baramulla Rail Link (USBRL) project (Tunnel No. T49), which is slated to be the longest railway tunnel in India and is a part of 272 Km long USBRL Project.
Tunnel T49 is a Modified Horse Shoe shaped tunnel with parallel escape tunnel with Cross-passages at every 375m, under a maximum overburden of 1.1 Km. In addition to above, 3 Nos of Adits were also constructed to facilitate construction. The maximum drive length from single face was 4.07 Km.
Ircon International is an integrated Indian engineering and construction company, specializing in major infrastructure projects.