SOM

400 Lake Shore rendering by SOM

Construction Continues on 400 Lake Shore North Tower in Streeterville

Construction progress continues on the 400 Lake Shore North Tower at the old Chicago Spire development site in Streeterville. Now that the Spire cofferdam has been filled in and excavated, it’s hidden from sight as the tower’s lower floors come into view. Amidst a sea of rebar, the ramp down to the lower parking levels is visible, and there’s a glimpse into the lowest two levels of sub-basement, while the rest of the site has grown even in height to the top of the concrete core.

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400 N Lake Shore Drive, by SOM

Full building permit issued for 400 Lake Shore North Tower in Streeterville

The City of Chicago issued a full building permit on August 6 to allow the 400 Lake Shore North Tower to continue construction through full height. The 72-story residential skyscraper from Related Midwest can now maintain progress unabated in Streeterville, as the concrete core continues its rise above the old Chicago Spire Cofferdam, and the replacement ramp from Lake Shore Drive takes form. There is also an incredible amount of excavation still ongoing at the site.

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400 Lake Shore rendering by SOM

Concrete core at 400 Lake Shore has risen above the Chicago Spire cofferdam

The famous Chicago Spire cofferdam continues its fade into oblivion, as the concrete core for the North Tower at 400 Lake Shore has cleared the top of the former hole in the ground. The core got some help, of course, in the form of a severe haircut for the concrete-and-steel cofferdam, which is being cut away piece by piece. The iron ring that appears in the photos below will be removed, leaving only the lowest portions buried deep in the ground.

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Rendering of 220 N Ada Street by SOM

Phase Two tower crane permit issued as 220 North Ada reaches fourth floor

One month after receiving a permit from the City of Chicago to complete construction, 220 North Ada progress has reached the underside of the fourth level. And on July 8, a permit for Phase 2 was issued for the project’s tower crane. That means once the concrete core has grown a little higher, concrete contractor Adjustable Concrete and GC Clayco will tie the crane into the core and insert a few crane sections into the “tower” segment for sufficient height.

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