A Robbins Double Shield TBM 5.06 m diameter has had a successful time with its drive as part of the Bheri Babai Diversion Multipurpose Project. The Bheri Babai project is the only project in Nepal where such technology is being used. By the 20.05.2018,  4.62 km of the tunnel had been completed. The progress has been on average, 800 m per month with a maximum rate of over 1,000 meters in one month. After 6 months the project has finished digging more than 38 percent of the 12 km tunnel. Click here  for the video footage and np/19 for information in the tunnelbuilder archive. Visit  

http://kathmandupost.ekantipur.com/news/2018-05-22/tunnel-borer-may-be-used-at-dudhkoshi-project.html and http://www.therobbinscompany.com/ .24/18.