The surge shaft was excavated using the raised boring technique.
2.
For construction of approach road to surge shaft, a long Bhukki-Kujjan road was to be constructed.
3.
The water conveyance works are composed of a long pipeline, a surge shaft, and a long surface penstock.
4.
The storage in the reservoir created behind the high concrete gravity dam is utilized for power generation by diversion through a water conductor system comprising a long power tunnel, surge shaft and two lines of penstocks connected to the turbines installed in a surface power station for generation of 75 MW of power with two units of 35 MW capacity each.
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