Revision of standard specifications of Electrical & Electromechanical systems of Metro rail


Tunnel Breakthrough by Sudarshan 4.3

NCRTC achieved another tunnel breakthrough of the Delhi-Ghaziabad-Meerut RAPIDX corridor at Ghaziabad. The Tunnel Boring Machine (TBM) Sudarshan 4.3 made the breakthrough from the retrieval shaft constructed opposite the Vaishali Metro Station, Ghaziabad. Sudarshan 4.3 was launched for the tunnelling of around a 2-km long tunnel from Anand Vihar RAPIDX Station towards Sahibabad. After being lowered at the launching shaft constructed north of Anand Vihar RAPIDX Station, it completed the tunnelling work in less than 11 months.

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