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  #5501  
Old Posted Feb 15, 2019, 8:23 PM
building_guy building_guy is offline
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Originally Posted by PittsburghPA View Post
Great pictures as always Harry. Does anyone know why the core is larger only on the blow through floor?
I believe it is one of the liquid tuned dampers on that floor.
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  #5502  
Old Posted Feb 15, 2019, 8:34 PM
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Originally Posted by building_guy View Post
I believe it is one of the liquid tuned dampers on that floor.
That would be so sick. I love slosh dampers lol. NEMA has (or almost has) one. I don't think it will be an amenity level, no matter how cool that would be. When city approved the blow thru floor they added stipulations that it had to be unoccupied and cannot be lit at night. Can't remember my source on that though
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  #5503  
Old Posted Feb 15, 2019, 8:52 PM
doomsdayprepper doomsdayprepper is offline
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Originally Posted by Skyguy_7 View Post
^It's likely because a couple elevator shafts end there, as the blow thru floor is an amenity level.. Which has me thinking.. Imagine if they make it available to hotel guests!

As mentioned by others, the glass really POPS on overcast days. It is gorgeous. Love the Feb 12th shots, Harry.
It shows the purple undertones on these overcast days, too... one of the few benefits of winter skies! Can't wait to see how it looks in the summer!
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  #5504  
Old Posted Feb 15, 2019, 9:08 PM
PittsburghPA PittsburghPA is offline
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Originally Posted by building_guy View Post
I believe it is one of the liquid tuned dampers on that floor.
Thanks, that makes a lot of sense considering (if I'm not mistaken) the core is smaller on the floors directly above and below as well.

If the it is a city ordinance that it is not able to be lit at night then that is a damn shame. One of the most redeeming qualities of 432 Park in NYC is how the blow through floors look awesome lit up at night.
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  #5505  
Old Posted Feb 15, 2019, 11:33 PM
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Originally Posted by PittsburghPA View Post
If [there] is a city ordinance that it is not able to be lit at night then that is a damn shame. One of the most redeeming qualities of 432 Park in NYC is how the blow through floors look awesome lit up at night.
From CAB:

Quote:
The rolling stones at city hall see the dead floor and they want to paint it black. All of it. The walls, the core, the ceiling, slow pigeons — everything in the double-height 83rd floor will be black. And, by law, the space cannot be illuminated. So when Vista twinkles in the Chicago skyline at night, she will have a black choker across her neck.


Building_Guy was also right, the article states:
Quote:
wind tunnel tests show that the blow-through floor is going to need help from multiple TLSDs to keep Vista rock steady.
Multiple!!!
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Last edited by Steely Dan; Feb 18, 2019 at 3:05 PM.
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  #5506  
Old Posted Feb 16, 2019, 1:52 AM
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BonoboZill4 BonoboZill4 is offline
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An engineering marvel!











... almost some good pictures, but walking a disobedient dog makes it kind of hard to have a steady hand lol
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  #5507  
Old Posted Feb 16, 2019, 2:31 AM
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Originally Posted by BonoboZill4 View Post
... almost some good pictures, but walking a disobedient dog makes it kind of hard to have a steady hand lol
The real challenge is getting the pooch in the shot.

some very nice shots none-the-less
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  #5508  
Old Posted Feb 16, 2019, 5:55 AM
LouisVanDerWright LouisVanDerWright is offline
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Looks like the core forms are gone in Bonobos pics...
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  #5509  
Old Posted Feb 16, 2019, 6:59 AM
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Tie the pooch to the fence next time Bono!

Nice pics....
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  #5510  
Old Posted Feb 16, 2019, 9:12 AM
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Great update and shots all around Bonobo
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  #5511  
Old Posted Feb 16, 2019, 5:08 PM
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The real challenge is getting the pooch in the shot.

some very nice shots none-the-less
Hmmmm, might have to try this one
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  #5512  
Old Posted Feb 18, 2019, 2:59 PM
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When the post-mortem is done on this building engineering wise, I wonder if they will regret not running the outer sheer wall all the way up? The upper portion is perched like a vase on a tiny table. So now they have a huge blow through floor and twin TLSDs, when it's looking to my untrained eye like the top portion just isn't strong enough.
I get they wanted to maximize sellable area, but they ended up losing two whole floors.
If they had it to do over, maybe losing more of each floor is the better trade?
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  #5513  
Old Posted Feb 18, 2019, 4:38 PM
The Lurker The Lurker is offline
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Originally Posted by aaron38 View Post
When the post-mortem is done on this building engineering wise, I wonder if they will regret not running the outer sheer wall all the way up? The upper portion is perched like a vase on a tiny table. So now they have a huge blow through floor and twin TLSDs, when it's looking to my untrained eye like the top portion just isn't strong enough.
I get they wanted to maximize sellable area, but they ended up losing two whole floors.
If they had it to do over, maybe losing more of each floor is the better trade?
I don't think the issue was that the top portion isn't strong enough, the concern was more about building sway on the upper floors. The sheer walls are load bearing so I'm not sure what effect it could have had on sway to run them the height of the building, but I'm not an engineer.

Assuming it would have alleviated the problem, it does beg the question of which option would have been more expensive. Cost overrun in additional material costs to run the sheer walls to the top VS. the cost overrun they incurred with the late stage redesign of those floors.
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  #5514  
Old Posted Feb 18, 2019, 6:04 PM
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^ I think you've got the right idea there.

I'd guess swaying wasn't related to height of shear walls. I need to get my engineering buddy to start posting here.
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  #5515  
Old Posted Feb 18, 2019, 9:47 PM
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Originally Posted by LouisVanDerWright View Post
Looks like the core forms are gone in Bonobos pics...
Got a good view of it today, you're right!

Core is officially completed
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  #5516  
Old Posted Feb 18, 2019, 10:09 PM
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I assumed the sheer walls were more to avoid torquing of the building's torso, and had little to do with swaying with the wind.
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  #5517  
Old Posted Feb 18, 2019, 10:18 PM
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Nice grey day colors:



Enjoy the lights in the blow through floors while you can everyone!





Dog shots:





President's day was beautiful:



























I think I might be a bit obsessed with this tower... couldn't pick my favorites so I'm posting them all! Her only bad angle is the one you can't see her from

Side note... go on the river walk at night during the winter if you can brave it... it's beautiful!

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  #5518  
Old Posted Feb 18, 2019, 11:32 PM
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Great tours ! (all of them)

best shot
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  #5519  
Old Posted Feb 19, 2019, 3:12 AM
Rocket49 Rocket49 is offline
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^^^

Love the photo.

You have an Airedale, harry?
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  #5520  
Old Posted Feb 19, 2019, 3:52 AM
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^^^

Love the photo.

You have an Airedale, harry?
That is BonoboZill4's shot, and his dog. He posted quite a few sets today.
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