Twin tunnel boring machines Krishna 1 &2, lowered from Nayanagar, Dharavi, surfaced at Dadar Metro station
Mumbai, February 01, 2019: TATA Projects Ltd. announced today that its Mumbai Metro Line 3 (Underground Metro) has achieved a ground breakthrough at Dadar. The twin tunnel boring machines, Krishna 1 &2, lowered in from Nayanagar, Dharavi, started operations in October-November 2017 reached Dadar Metro station on January 31, 2019.
According to sources “Krishna 1 & 2 made their way drilling daily through the rocky strata made of Basalt grade 3 & 2, breccia grade 4, 3 & 2 and tuff grade 4 & 3. They charted their course from Nayanagar launching shaft. The 108 meters long Krishna 1 & 2 Tunnel Boring Machines bored, on an average, 10 to 12 meters daily shaping the tunnel with a total of 1779 RCC cement rings each. These TBMs are equipped with Earth Pressure Balance Technology.
Speaking on the occasion Ms. Ashwini Bhide, MD MMRC, said “This is the 3rd important tunneling milestone in Mumbai Metro Line 3 & the credit goes to our engineers, supervisors, workers & other stakeholders. We intend to and are steadfastly working towards realizing Mumbaikar’s dream of faster, comfortable and efficient commute at the earliest.”
Mr. Rahul Shah, Chief Operating Officer – Urban Infra, TATA Projects Limited said, “We are happy to complete the work in the stipulated time and with utmost concern and care for Mumbaikars along the route alignment. This was a very smooth operation with least hindrance to traffic as possible, with the cooperation and support of MMRC officials and the traffic authorities.”
Overall 18 KM of tunneling work has been completed till now for Mumbai Metro announced MMRCA.
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