A quick look around The Reed at Southbank Monday showed an awful lot of piles driven into the South Loop soil, with lots more stacked up waiting their turn. I only saw one caisson above ground, and that was there on my most recent trip June 21 (part of the “vertical access shaft” work, I think). I thought to myself, Self? Are they doing piles before caissons? Are the caissons done already? Are there only piles and no caissons? In the June photo, you’ll notice there were already piles of piles to be driven.
My conclusion? I don’t know. But I have some photos to show you.
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