CHICAGO | St. Regis Chicago (Vista) | 1,191 FT | 101 FLOORS

[kolchak]

Well it just goes to show. As many times as I've looked at the renderings I never put it together that the 'secondary' window treatment over the entrance mimics the alternating frustums of the tower. Very cool.

[bhawk66]

Originally Posted by kolchak

Well it just goes to show. As many times as I've looked at the renderings I never put it together that the 'secondary' window treatment over the entrance mimics the alternating frustums of the tower. Very cool.

Me either. Always thought that part of the building was odd in combination with the rest. Glad to see it now. Good catch.

I'm definitely gonna have dinner there someday.

[cozy]

Originally Posted by kolchak

Well it just goes to show. As many times as I've looked at the renderings I never put it together that the 'secondary' window treatment over the entrance mimics the alternating frustums of the tower. Very cool.

hah, would ya look at that. never thought of it.

[jjk113]

do we have an estimate as to when it will be completely clad?

[BVictor1]

Originally Posted by Bombardier

^GEMS 2 is on hold indefinitely due to non-payment. Many unpaid parties on that project, unfortunately.

Hmmm... Well, If all fails, they now have the shell for the public school the was always apart of the LSE plan

[marothisu]

Anybody have any intel on who bought the ~$20M penthouse here? It'll be fun when all of those units close and if we can see who was buying them. I assume there's a number of foreign entities who've bought in this building which will be hard to trace back to a real person.

[cozy]

Originally Posted by BVictor1

Hmmm... Well, If all fails, they now have the shell for the public school the was always apart of the LSE plan

if only

Originally Posted by marothisu

Anybody have any intel on who bought the ~$20M penthouse here? It'll be fun when all of those units close and if we can see who was buying them. I assume there's a number of foreign entities who've bought in this building which will be hard to trace back to a real person.

i vaguely remember Magellan confirming the penthouse investor is foreign and saying they won't be telling us any nationalities yet

[bhawk66]

Originally Posted by marothisu

Anybody have any intel on who bought the ~$20M penthouse here? It'll be fun when all of those units close and if we can see who was buying them. I assume there's a number of foreign entities who've bought in this building which will be hard to trace back to a real person.

edit/drunkenness

[cozy]

furniture coming in? or does mayflower move anything

[alegalvvan94]

[chicagodeckerdude]

Some may be annoyed because it has been asked a few times already I'm sure. But...why does this building require that blow thru floor when many other skyscrapers and supertalls don't have them?

[Suburban Shadow]

Do I see the framing removed from the top 7 floors of the south side construction elevator?

Looks like we might be getting more glass soon.

[gebs]

Originally Posted by chicagodeckerdude

Some may be annoyed because it has been asked a few times already I'm sure. But...why does this building require that blow thru floor when many other skyscrapers and supertalls don't have them?

My non-technical assumption is that it has to do with the slenderness of the top frustum. You'll see a similar approach taken at 432 Park Avenue, but in that case, the blow-through floors are at regular intervals, so it looks planned and better integrated into the design.

[Ogdenman36]

Great last pic! It is such a beauty, but looks unfinished with blow through. Hoping it will grow on me like the Tesla Truck

[PittsburghPA]

Originally Posted by chicagodeckerdude

Some may be annoyed because it has been asked a few times already I'm sure. But...why does this building require that blow thru floor when many other skyscrapers and supertalls don't have them?

Seeing as these will be some of the most expensive condo's in Chicago it seems the developers are doing everything they can to maximize the comfort for the buyers (i.e. multiple slosh tanks and blow-through floor).

Personally, I like it. It is the first of its kind for Chicago and I think will look attractive once complete.

There is always the highly unlikely scenario the engineers realized something before it was too late and added it out of necessity like New York's Citicorp building. If this was the case I highly doubt it was as dramatic as the Citicorp situation but you never know.

http://www.engineersjournal.ie/2015/...ilure-averted/

[Barrelfish]

My understanding is that it goes something like this:

• Originally, the narrow parts of each frustrum were going to be even narrower (going from 90ish feet at the widest point down to 70ish feet at the narrowest)
• These got widened so there were fewer difference in floorplans on the wide vs. narrow floors (now more like 90ish vs. 80ish). This brought more usable square footage and also reduced costs (less need to jog plumbinb back and forth, etc.)
• That extra width, combined with the buildings narrow profile + the fact that the middle frustrum isn't directly anchored to the ground (there's a roadway underneath), meant that sway was higher than they wanted during wind tunnel testing
• Therefore, the blow through floor was added to reduce the sway. I think this was after construction was already started, so it was too late to change the design of the tower in a way that would eliminate the need for the blow through

I may be conflating things slightly (maybe the blowthru would have been required regardless of the change in floor plates), but that's the general gist.

[cozy]

Yup.

The initial concept called for the frustums to
taper from a 90-foot (27.4-meter)-square floor
plate at the widest point to a 70-foot-
(21.3-meter)-square floor plate at the
narrowest; this narrowest floor plate was later
revised to an 81-foot (24.7 meter)-square,
responding to economic demands for more
floor area and less variation in apartment size.
This change, however, had the impact of
increasing wind pressure on the building. In
response, a double-height “blow-through”
floor was introduced at level 83, which allows
wind to pass through the structure at a high
point (see Figure 5). Tuned sloshing dampers
at levels 83, 93, and 94 provide additional
wind-motion accommodation.

p.15 https://studiogang.com/files/pdfs/39...ower-oneup.pdf

[cozy]

was cool reading through that pdf again.

i never noticed that the trapezoidal glass is actually going to be for the a restaurant. going to be a sick date night location.



plus a nice diagram to understand the frustum design:

[Jibba]

As much as the rationalization of the form of this tower might be wholly contrived, Gang designed a really unique and visually seductive building, all of which mostly survived various delays, contractor snafus, financing restructuring, etc. I'm really happy with the (mostly) finished product.

[chicagodeckerdude]

Originally Posted by PittsburghPA

Seeing as these will be some of the most expensive condo's in Chicago it seems the developers are doing everything they can to maximize the comfort for the buyers (i.e. multiple slosh tanks and blow-through floor).

Personally, I like it. It is the first of its kind for Chicago and I think will look attractive once complete.

There is always the highly unlikely scenario the engineers realized something before it was too late and added it out of necessity like New York's Citicorp building. If this was the case I highly doubt it was as dramatic as the Citicorp situation but you never know.

http://www.engineersjournal.ie/2015/...ilure-averted/

Right now it stands out. I'm sure once complete I won't mind it that much. Just so prominent at moment. Love this building either way!