It looks like caisson work is complete for the North Tower at 400 Lake Shore. Lots of equipment being loaded up on trucks, no more caissons (or precious few) still poking up out of the ground, no caissons being drilled. You know, all the tell-tale signs.
There are a whole bunch o’ steel sheets waiting to be driven into the ground, with some already in place right next to the cofferdam. (Note: It seems cliché at this point to refer to the cofferdam as “The Old Chicago Spire Hole.” I’m going to miss that name.) According to Alderman Reilly’s email to constituents and anyone else who wants to read it last week, those could very well be “tower crane sheeting.” So yeah, this *might* be an indication that the tower crane (or one of them? Still don’t know) will be right next to the old Spire Ho—sorry. Next to the cofferdam.
In fact, here are all the 400 Lake Shore-prudent tidbits from the alderman’s email:
Week of 4/22:
Continue Installation of tower crane sheeting
Demobilization of caisson equipment
Delivery of mobile crane for concrete operations
Begin excavation of site at Ogden slip and under inbound LSD ramp
Begin installation of concrete walls inside the cofferdam
Week of 4/29:
Continue excavation at Ogden slip
Begin installation of concrete walls inside cofferdam
Begin pouring of cofferdam walls and tower crane foundation
This may shock you, but I took a few photos while I was visiting on Thursday, April 25. They kinda look like a sandbox full of toys. Really cool toys. Here’s proof:
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