The “complex” Snowy Hydro 2.0 project continues to face delays, months after a sinkhole and a gas leak caused operational difficulties.
ABC’s Four Corners program revealed on Monday the $2bn project, which has since blown out to $12bn, has faced a number of safety and operational delays.
The project stalled quite quickly when soft ground caused water to fill the tunnel. Picture: Four Corners.“We would push forward 50cm then spend the next week clearing out all the mud and water from around the tunnel boring machine,” one worker told Four Corners.To ensure the project could continue, so-called “slurry system” equipment was ordered but it was designed on inappropriate modelling.
“There’s been no point since Florence experienced this soft ground in November 2022 that the machine has not been in some way been able to move forward,” Mr Barnes said.Snowy Hydro 2.0 project under construction. Picture: Supplied Mr Barnes told Senate estimates this was caused by a chemical reaction which caused isocyanate, a hazardous chemical.
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