India Builds Worlds First Electrified Tunnel

India Builds World՚s First Electrified Tunnel

  • The D shaped tunnel has a cross sectional area of 150 square meters to accommodate double line with higher overhead equipment.
  • Cross sectional area wise, it is one of the biggest railway tunnels in India.
  • Once operational, a double stack container goods train will be able to run at a speed of more than 100 kmph in this tunnel.
World՚s First Rail Tunnel

Overview

  • The tunnel connects Mewat and Gurugram districts of Haryana and negotiates a steep gradient on the uphill and downhill slope of the Aravali range.
  • This will be world՚s first electrified rail tunnel fit to run double-stack containers.
  • The work of the tunnel has been completed in less than a year՚s time.
  • One end of the tunnel is near Rewari and is called Portal-1 while the other end of the tunnel at Dadri is designated as Portal-2 or east portal.
  • Tunneling work has been done systematically and in a planned manner from both the ends by deploying high-tech man and machinery.
  • There is a total of six tunnels in both the Eastern and Western Dedicated Freight.
  • In WDFC there are - 1 km long Sohna Tunnel, the 320-meter-long Vesai Detour North Tunnel, and the 430-meter-long Vesai Detour South Tunnel.
  • In EDFC there are 3 tunnels measuring 150-meter, 475 meter and 300 meters.
  • Despite the coronavirus pandemic, work is progressing at a fast pace and resolute pace in DFCCIL.
  • The Eastern and Western DFC is slated for completion in June 2022.
  • Geologically this tunnel is safe and stable.
  • It has been carved out of 2500 to 500 million-year-old Proterozoic Rocks Quartzite, Schists, and slates of Alwar⟋Azabgarh groups of Delhi Supergroup rocks which have high bearing capacity.
  • Double stack containers and 25-ton axle load freight trains will run through this tunnel at a speed of 100 kmph.

Examrace Team at Aug 29, 2021