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  #3441  
Old Posted Apr 9, 2018, 8:05 AM
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Originally Posted by LouisVanDerWright View Post
Same comment for literally every building in the entire city that's got a glass curtainwall. We have no idea what it will actually look like en masse or when the inside is actually climate controlled.
What does climate control have to do with it? Are you saying that’s just a visual illusion created by condensation, etc?
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  #3442  
Old Posted Apr 9, 2018, 2:20 PM
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What does climate control have to do with it? Are you saying that’s just a visual illusion created by condensation, etc?
It's got all sorts of effects on how a thin, flexible, material like glass looks. First of all, if the floors not entirely sealed off, just the wind itself can be pushing hard on the glass flexing it out of it's resting state. Then there is the fact that the glass isn't designed to just be at ambient outdoor temperature, it's designed to hold the line between the inside and outside temperatures. It's going to look entirely different when one side is heated the the other isn't than when it's all 30 degrees. I mean think about it, if the glass panels are cut and fitted to the frames in a climate controlled factory where it's 70 degrees and designed to wall off 72 degree temps from whatever is going on outside, of course the glass is going to look funny when the entire panel is chilled to 30 degrees. All of those materials expand at different rates with temperature and it's going to go from a perfectly fitting pane of glass in a metal frame to all kinds of warped as a result.

Also once the enclosure is complete, you have to deal with air pressure gradients in a building of this size. The entire enclosure is designed to work together or you get crazy stuff happening like the doors at the bottom of the Sears Tower blowing out because of the stack effect (they are an ultra strong airlock to prevent this). Also most large HVAC systems like the ones found in a building of this size create a slight positive air pressure which essentially "inflates" the entire glass structure again flexing the glass from its resting state. The point being that glass highrises are designed to balance these forces as much as possible and a piece of glass that's just hanging out there in the air isn't being subjected to those loads.

Climate control is actually one of the more interesting aspects of construction IMO. There's a lot going on there that isn't readily apparent. We even deal with it on small buildings where you must get the building warmed up and keep it warmed up throughout construction if you want to have a perfect result. I just wrote a check to People's gas for $1500 for all the gas I used keeping what was basically a framed shell warm all winter. You have to keep the framing warm or it will move later once you have all the insulation in and drywall done. I've seen 2x4's warp or "walk" (i.e. 2x4's were 16" apart and then ripped loose from their nails and slid along the plate to only be 15" apart as they expanded and contracted) as far as an inch when warmed from below freezing to room temperature. I can't imagine what they deal with when they warm up these concrete supertall buildings after having them essentially open to the elements all winter.
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  #3443  
Old Posted Apr 9, 2018, 10:18 PM
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Thanks for explaining how the glass works and maybe we will see less complaining in the future!

Fingers crossed.....
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  #3444  
Old Posted Apr 12, 2018, 3:50 AM
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  #3445  
Old Posted Apr 14, 2018, 9:42 PM
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Looks like its about 560 ft eyeing it. Approaching the half-way mark by the looks of it.
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  #3446  
Old Posted Apr 14, 2018, 10:01 PM
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At 2 floors a week. Vista is on track to reach the half way mark a month from now.
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  #3447  
Old Posted Apr 17, 2018, 8:19 PM
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I can't wait to see the glass get to the point where we can see the different shades.
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  #3448  
Old Posted Apr 20, 2018, 4:25 AM
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04/17/18

West stem, northern face


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  #3449  
Old Posted Apr 20, 2018, 1:33 PM
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Oh boy oh boy oh boy finally. First impression: good. You're next, One Grant Park.
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  #3450  
Old Posted Apr 20, 2018, 3:47 PM
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Woo woo woo, i like it, looking greenish.
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  #3451  
Old Posted Apr 20, 2018, 5:48 PM
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Woo woo woo, i like it, looking greenish.
I'm liking it too, although it looks pretty blue to me. Would've definitely preferred that it was a lot greener than it is, but this color isn't too bad... its a nice dark shade, which should differentiate it from the surrounding LSE buildings which have a lighter shade of blue (Coast, Shoreham, Regatta, etc.)
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  #3452  
Old Posted Apr 20, 2018, 6:04 PM
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Yeah it's definitely more blue, but i was expecting blue like Lowe's or something. This seems more aqua but maybe it's wishful thinking on my part.
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  #3453  
Old Posted Apr 20, 2018, 6:12 PM
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It might be a tiny bit greener/aqua than Loews, but like you said, it could be our eyes seeing what our minds want us to see. I feel like its darker than Loews though (assuming its not just the scaffolding shading the glass), which is a positive. I want the tower to stand out more from the sea of blue that surrounds it.
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  #3454  
Old Posted Apr 20, 2018, 6:28 PM
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I'm seeing more green than blue (see scaffolding )and if this is the the darkest shade they are installing Vista is definitely going to be a game changer!

Thnx for pics!
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  #3455  
Old Posted Apr 20, 2018, 6:37 PM
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the glazing looks more green than blue to my eye.

but these things can be affected by one's monitor's settings.

it's best to ascertain the true color by checking it out in the flesh.
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  #3456  
Old Posted Apr 20, 2018, 7:00 PM
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They’ve moved the scaffolding up 2 floors so you can get a better look at the glass now. The large pieces of glass seemed much more blue (below.. looking from long angle).

The smaller pieces that line the floor plates seemed much more green (below, below.. looking straight on) and also seemed to be different shades as you go up. Pictures are pretty accurate to what I was seeing in person. Still, hard to tell with the lighting back there. Def go check it out for yourselves!



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  #3457  
Old Posted Apr 20, 2018, 7:03 PM
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Originally Posted by Steely Dan View Post
the glazing looks more green than blue to my eye.

but these things can be affected by one's monitor's settings.

it's best to ascertain the true color by checking it out in the flesh.
I seem to be the only one saying it looks blue, so hopefully my monitor here at work sucks

Green = better!
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  #3458  
Old Posted Apr 20, 2018, 7:47 PM
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Originally Posted by left of center View Post
I seem to be the only one saying it looks blue, so hopefully my monitor here at work sucks

Green = better!
Definitely blue to me too. Looks nice so far.
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  #3459  
Old Posted Apr 20, 2018, 8:40 PM
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Can someone repost those pictures but toward the right way? Either way nice pictures but can't really get a good look like this
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  #3460  
Old Posted Apr 21, 2018, 12:04 AM
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looks turquoise... aka blue green...maybe everyone can agree on that?
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