''should Snowy 2 be abandoned? just write off the cost as a waste of time and effort?''
IF the current problem tunnel is not doable -------------- one has to wonder if rerouting is possible?
after all, if you want to build a fence and you have a patch of pure slop - you shift the fence over a bit to dry firm ground ----------- I'm not offering any expert opinion, but I wonder if there's a plan B possibly
it's a big deal to cut the loss and run on a major project
