Ahmedabad Metro Achieve 1st Twin Tunnel Breakthrough at Kalupur Metro Station

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These two TBMs of M/s Afcons, TBM 1 & TBM 2 (with diameter of 6.63 meter) have completed twin tunnels (Up & Down) from Apparel Park depot to Kalupur UG Station over the period of last 10 months. The tunneling work was carried out at the rate of 6 to 7 meter/day on an average in spite of challenging geological conditions in densely populated old Ahmedabad area of Gomtipur, Sarangpur, Kankaria east and Saraspur. Both these TBMs have done breakthrough on 25th February 2019 at 16,00 hrs, in shaft of Kalupur UG station at the same time which is rare in the industry.

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