Mangdechhu Hydro Power Plant (4×180 MW), Bhutan


Mangdechhu Hydroelectric Project Authority (Autonomous body made up of representatives of India and Bhutan government)

Superior Contractor

Marti India Pvt. Ltd.

Construction period

June 2012 – May 2013

Objects description:

  • Headrace tunnel in the length of 8 670 m, 5 galleries D-shaped face, dimensions 6,50 x 6,80 m, 24% of tunnel length is driven in IV. & V. technological rock class.

Construction technology:

  • Tunnel is driven by using of drilling & blasting works.

Executed works:

  • Preparing works in portal areas
  • Tunnel driving