That’s a 12′-diameter, 20′-long caisson on the right, with a longer one being trucked in.
Case Foundation is on the scene (you thought I was gonna say “on the case” didn’t you…You are so predictable) at Vista Tower, boring holes into the earth and sinking caissons. Dozens and dozens of them. Deep ones, too. They’ve got twelve-foot diameter guides on site. These will be serious caissons. Some 100 feet long.
You already know all you need to know about the 93-story Vista Tower. I’ll skip the tired verbiage, and let you get right to the photos.
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- I wasn’t the only one watching.
Building Up Chicago 