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Australia: Tunnelling restarts at Snowy 2.0
From Snowy 2.0 update;
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Final commissioning tests are underway for the onsite slurry plant that means the dual-mode machine can switch from open excavation to a closed, pressurised mode. This method of excavation will enable stable excavation and efficient progress through softer ground conditions when required.
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https://www.snowyhydro.com.au/news/snowy-2-0-tantangara-tunnelling-update/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.snowyhydro.com.au/news/snowy-2-0-tantangara-tunnelling-update/
SNOWY 2.0 TANTANGARA TUNNELLING UPDATE - Snowy Hydro
www.snowyhydro.com.auSuccessful ground stabilisation works and construction of a slurry treatment plant at Tantangara have been carried out by Snowy 2.0 teams prior to tunnel boring machine (TBM) Florence being able to restart excavation of the headrace tunnel. Final...