Metro Rail News Online

Mumbai: The Mumbai Metro Rail Corporation (MMRC) has completed approximately 15-16 percent of the civil construction for 33.5km of the 33-tunnel underground corridor. Work on the longest tunnel corridor in the country began in November 2016. The first tunnel boring machine (TBM), called Krishna 1, started tunneling from the Nayanagar near Dharavi on November 9 and has now drilled 120 meters. Meanwhile, six other TBMs, lowered in different parts of the city, have combined 394 meter tunnels so far. 17 TBMs will operate 15 to 25 meters below ground to drill 51 km of tunnels . Mumbai Metro-3 Tunneling Work Like Krishna, the TBMs in each of the seven packages are named after a river in Maharashtra: Surya, Vaitarna, Tanasa, Godavari, Tapi and Wainganga. Each package has at least two and no more than three TBM in operation. “It’s better to refer to the machines with names with numbers because they are more identifiable. It’s a more personal connection with machines when they...

Mumbai: The Mumbai Metro Rail Corporation (MMRC) has completed approximately 15-16 percent of the civil construction for 33.5km of the 33-tunnel underground corridor. Work on the longest tunnel corridor in the country began in November 2016. The first tunnel boring machine (TBM), called Krishna 1, started tunneling from the Nayanagar near Dharavi on November 9 and has now drilled 120 meters. Meanwhile, six other TBMs, lowered in different parts of the city, have combined 394 meter tunnels so far. 17 TBMs will operate 15 to 25 meters below ground to drill 51 km of tunnels . Mumbai Metro-3 Tunneling Work Like Krishna, the TBMs in each of the seven packages are named after a river in Maharashtra: Surya, Vaitarna, Tanasa, Godavari, Tapi and Wainganga. Each package has at least two and no more than three TBM in operation. “It’s better to refer to the machines with names with numbers because they are more identifiable. It’s a more personal connection with machines when they...