Tunnel work in Melamchi Water Supply Project nears final phase
Work by Chinese company Sino Hydro Pvt Limited has only 400 metres of finishing work
https://myrepublica.nagariknetwork.com/news/tunnel-work-in-melamchi-water-supply-project-nears-final-phase/
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Trenchless technology is slightly more expensive than digging a trench, unless require...costs of wasted time and fuel, and road rage, that digging trenches cause, so TBMs always seem too expensive
Th...