The main drive of the third tunnel boring machine, 'Azaad', for the Kanpur Central-Transport Nagar underground section of the Kanpur Metro project has commenced. This machine is excavating the 'upline' tunnel from Kanpur Central to Nayaganj, covering approximately 1250 meters. The 'Azaad' TBM has completed 75 meters of tunnel construction since...
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its launch from the Kanpur Central launching shaft. The backup system unit, which is essentially the control room for the TBM, has been lowered into the shaft and connected to the machine's shield. This allows the TBM to operate continuously using the backup system unit. The TBM will be followed by another machine for the 'downline' tunnel.