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The final stretch of East-West Metro tunnelling is likely to start on Monday
TBM Urvi has been reconditioned to bore the last 800 metres of East West metro. Most likely the TBM to start boring on Monday.
TBM Urvi completes the initial drive to place the whole TBM in the tunnel. Around 80 meters. The main drive of around 720 meters will start after one month.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://timesofindia.indiatimes.com/city/kolkata/final-leg-of-e-w-tunnelling-likely-to-start-on-monday/articleshow/80064687.cms
Final leg of East-West Metro tunnelling likely to start on Monday | Kolkata News - Times of India
timesofindia.indiatimes.comThe final stretch of East-West Metro tunnelling is likely to start on Monday. The tunnel boring machine (TBM) has been refurbished and some of its par