Delhi Metro TBM Makes a Breakthrough at Pink Line’s Naraina Vihar Station

In yet another low key event, a Delhi Metro TBM today made a breakthrough on the down line tunnel at Naraina Vihar station on the Pink line in southwest Delhi. This station and its associated 1103 twin tunnels are part of the 2.2 km CC-20 contract from Mayapuri to Delhi Cantonment which is being executed by a JV of J Kumar-CRTG.

The TBM, manufactured by Terratec, was launched on February 2 this year from a shaft constructed in front of the Kendriya Vidyalaya in Naraina from where the TBM made its roughly 800 m long journey at a depth of 14.3m below the ground level.

Location of breakthrough - Map Courtesy DMRC - full full map

Location of breakthrough – Map Courtesy DMRC – full full map

Actual alignment:

Yellow star - Naraina Vihar station ; Blue star - launching point of TBM

Yellow star – Naraina Vihar station ; Blue star – launching point of TBM

Unlike other stations along the route which abut the Ring Road, the Naraina Vihar station has been built well inside the colony due to the lack of space along the Ring Road.

Now for some images:

The moment... - Photo Copyright: Manoj Kumar Jaiswal

The moment… – Photo Copyright: Manoj Kumar Jaiswal

Photo Copyright: Manoj Kumar Jaiswal

Out she comes! – Photo Copyright: Manoj Kumar Jaiswal

Photo Copyright: Manoj Kumar Jaiswal

Photo Copyright: Manoj Kumar Jaiswal

Photo Copyright: Manoj Kumar Jaiswal

Photo Copyright: Manoj Kumar Jaiswal

For more updates on Delhi Metro’s Phase III, please visit the Delhi section of The Metro Rail Guy!

– TMRG

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