nigelswift wrote: One thing (apart from many others) needs an urgent explanation IMO -
why is the central shaft being emptied of polystyrene now when it was always scheduled to be done only when the base had been fully stabilised?
Aye. Especially when we were told that:
"The polystyrene in the summit crater would only be replaced with chalk once the voids at the base had been filled or supported, because of the additional weight loading."
http://www.britarch.ac.uk/BA/ba80/feat1.shtml
Makes you wonder, doesn't it?
Peace
Pilgrim
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