Quote:
Originally Posted by AusTex
It appears they are still digging in sand. How deep will the pilings need to go to just reach bedrock? Does anyone know how deep the bedrock is on this site? And How deep will the pilings reach all together? Just curious.
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It looks like they are starting to hit ground water. That is likely at the interface of alluvial soils and limestone bedrock. Given the height of the building, I would expect caissons would still need to be socketed fairly deeply, unless they are doing a mat slab.