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  TBM Breakthrough - Nepal Bheri Babai Diversion Multipurpose Project

  By Rohit Agarwal 2210 days ago

  • Nepal Bheri Babai Diversion Multipurpose Project
  • Nepal Bheri Babai Diversion Multipurpose Project tunnel
  • Nepal Bheri Babai Robbins
  • Robbins double shield

  It is a Robbins Double Shield with a diameter of 5,06 meters. It is reported that it bored 12,2 km in 18 months `8 months ahead of schedule' and  with a progress of '1.000 m per month' (this is what Robbins says).