Pakistani engineers and workers have achieved an important milestone in the excavation of Jagran-II Hydropower tunnel. Two tunnelling teams one started from downstream and another from upstream met in middle with only 10 cm deviation.
https://nation.com.pk/31-Jan-2021/feat-of-engineering-achieved-at-jagran-ii-hydropower-project
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://nation.com.pk/31-Jan-2021/feat-of-engineering-achieved-at-jagran-ii-hydropower-project
Feat of engineering achieved at Jagran-II Hydropower Project
nation.com.pkISLAMABAD - A landmark achievement has been accomplished at Jagran -II HPP where FWO devised a strategy to excavate upstream with downstream portions