First TBM Arrives at JNPT Mumbai Port for Pune Metro Underground Route

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The first Tunnel Boring Machine (TBM) will be used to construct a tunnel for the subway from Pune Metro Agricultural College to Swargate arrived at Mumbai’s JNPT Port on Wednesday. TERRATEC‘s Earth Pressure Balance Tunnel Boring Machine (EPBM) will be used by Gulermak-Tata Projects JV for its underground works contracts on Line-1 of the Pune Metro Rail Project.

More Information:

  • The TBM will be used for 5km underground section – which runs from the College of Agriculture in Shivajinagar to Swargate and has five stations.
  • This underground section is considered the most challenging portion of the line, as it passes under the densely populated areas of Kasba Peth, Budhwar Peth and Mandai market.
  • Earlier this year, Maharashtra Metro Rail Corporation Limited (MahaMetro) announced that the Gulermak-Tata Projects JV (Joint Venture) had won both of the twin-tube tunnel packages on the new 16.56km-long north-south metro corridor.

  • Major challenges on the project will include tunnelling beneath century-old surface structures, crossing under the river Mutha and TBM lowering and dismantling in the very built-up areas of Budhwarpeth and Mandai stations with limited access available.
  • The TBM have been despatched from TERRATEC’s factory in China.
  • Both machines are expected to arrive in November and will be transported to Pune where they will be assembled and then tested on-site in mid-December.
  • When complete, in 2022, Pune Metro network will comprise 3 corridors with a total length of 54.5km.

Image Credit: Pune Metro

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