Mangdechhu Hydro Power Plant (4×180 MW), Bhutan
Mangdechhu Hydroelectric Project Authority (Autonomous body made up of representatives of India and Bhutan government)
Marti India Pvt. Ltd.
June 2012 – May 2013
- 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.
- Tunnel is driven by using of drilling & blasting works.
- Preparing works in portal areas
- Tunnel driving