The ‘breakthrough’ of the tunnel-6 of Sivok-Rangpo Rail Link project was achieved on August 6. (Photo Courtesy NFR)
Guwahati, August 8 (MExN): The Northeast Frontier Railway (NFR) today informed that major milestone in the Sivok-Rangpo new Rail Link project was achieved with ‘breakthrough’ of the T-06 (3943 metre) located in Kalimpong District of West Bengal on August 6.
With the breakthrough of the tunnel, mining activities have been successfully accomplished in 12 tunnels of the project, it said.
The length of the main tunnel T-06 is 3943 metre along with an Evacuation Tunnel of length 577 metre situated near the NHPC, Teesta Low Dam Power Station III in Kalimpong District, stated a press release from the NFR.
The main tunnel traverses through vulnerable and challenging geological and seismic conditions of the Younger Himalayas and counter vulnerability of the ground mass, latest and most sophisticated tunneling technology, i.e., New Austrian Tunneling Method (NATM) has been used, it maintained.
With this, 66% of work has already been completed in the Sivok – Rangpo new rail line project, it added.
As per the NFR, the Sivok – Rangpo project connecting Sivok (West Bengal) and Rangpo (Sikkim) is about 44.96 kms long and is characterised by 14 tunnels, 13 major bridges, 9 minor bridges and 5 stations.
The length of the longest tunnel (T-10) is 5.3 km and length of longest bridge (Br-17) is 425 metre. About 38.65 km of the entire project alignment is passing through tunnels and 93.5% of the tunneling work has already been completed, it informed.
The project one of the most prestigious ongoing National Projects in India and on completion, Sikkim will be connected via railways for the first time and the NFR is working hard for the early completion of the project, it added.
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