Pune Metro achieves first underground tunnel breakthrough. The tunnel boring machine (TBM) S78 “Mutha” which is being operated by the Gülermak – Tata Projects Limited JV achieved the first breakthrough of 200m tunnel within 25 days of work.
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Pune Metro achieved the first breakthrough of 200m tunnel by TBM Mutha at Agriculture College Ground for Underground route Shivajinagar-Swargate.
cover tunnel photo by: Matt Brown from London, England / CC BY
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