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-   -   CHICAGO | BMO Tower | 727 FT | 50 FLOORS (https://skyscraperpage.com/forum//showthread.php?t=224752)

rivernorthlurker May 28, 2020 1:48 AM

I'm surprised they are comfortable pouring with substantial rain 12-24 hours expected afterwards. I also have no expertise in this realm. So the concrete just cures really fast?

https://i.imgur.com/l3UJKGO.png

Fvn May 28, 2020 2:42 AM

The temperature should allow at least the surface to cure enough to allow the rainwater to not really cause any issues. If they really feel like its gonna be a problem I'd imagine first thing tomorrow morning they will put some tarps/poly sheeting over top. It should be fine though. I mean by now it's been around 5 hours since they finished and you can already walk all over it if you wanted to; therefor rain shouldn't be an issue.

Chicagolover88 May 28, 2020 8:46 PM

It's crazy that this is taller than the renaissance center in detroit by 3 feet.

rivernorthlurker May 28, 2020 9:31 PM

Quote:

Originally Posted by Fvn (Post 8934659)
The temperature should allow at least the surface to cure enough to allow the rainwater to not really cause any issues. If they really feel like its gonna be a problem I'd imagine first thing tomorrow morning they will put some tarps/poly sheeting over top. It should be fine though. I mean by now it's been around 5 hours since they finished and you can already walk all over it if you wanted to; therefor rain shouldn't be an issue.

Thx for the input. It appears they have tarped it over today.

harryc Jun 2, 2020 11:26 PM

May 31

Matt poured





KWillChicago Jun 8, 2020 3:51 PM

Red tower crane just delivered.

Skyguy_7 Jun 10, 2020 12:54 PM

^ That's a Manitowoc crawler crane, ie Big Red model MLC300 perhaps. Its setup for this site is one of the tallest crawler cranes I've seen downtown.

Looking at OxBlue, it's not clear to me yet where exactly the tower crane will be set. Anyone?

KWillChicago Jun 10, 2020 11:12 PM

Yeah, my bad. But the oxblue today seems like for sure the crane is rising through the core. I could be off. Forms are going up.

harryc Jun 11, 2020 2:23 AM

June 6





June 10



A friend from Wisconsin


Just a wild guess -but could they be using an internal climber on this ?


25 to 1 ratio ?



Skyguy_7 Jun 11, 2020 12:15 PM

You're right Harry. We should expect an internal climbing tower crane the core. Duh.

KWillChicago Jun 18, 2020 2:15 AM

Still no crane parts/installation on site but I'm hoping "Big Red" moves right from here to a barge for WPS. Wishful thinking but would be a money saver, maybe?

harryc Jun 20, 2020 5:55 PM

June 18

Chicago | BMO Tower by Harry Carmichael, on Flickr

re-routing the water main.
Chicago | BMO Tower by Harry Carmichael, on Flickr

Chicago | BMO Tower by Harry Carmichael, on Flickr

Chicago | BMO Tower by Harry Carmichael, on Flickr

CrazyCres Jun 26, 2020 9:42 PM

It has risen...

https://lh3.googleusercontent.com/Ix...-no?authuser=1

https://app.oxblue.com/open/clarkcon...erconstruction

KWillChicago Jun 27, 2020 12:16 AM

What's risen? I have not seen any crane pieces. But this one does seem like it's dragging.

CrazyCres Jun 27, 2020 12:28 AM

^ The core had risen

bgsrand Jun 27, 2020 2:03 PM

Dumb question but I only thought the core sat directly on top of the mat pour, which looks like has not happened here yet. Instead, normally does the core just sit on top of piers that are not tied into the mat?

harryc Jun 27, 2020 2:58 PM

Quote:

Originally Posted by bgsrand (Post 8964610)
Dumb question but I only thought the core sat directly on top of the mat pour, which looks like has not happened here yet. Instead, normally does the core just sit on top of piers that are not tied into the mat?

Matt has been poured - a few weeks ago IIRC.

harryc Jun 28, 2020 6:15 PM

June 25





Water over the air


More to come ?

Skyguy_7 Jun 29, 2020 1:23 PM

What a difficult site to build on, considering all the obstructions. Cheers to the developer to taking on the challenge. The foundation scope could not have been cheap! :cheers:

Donnie77 Jul 7, 2020 1:23 AM

small footprint for a 700+ no?

https://app.oxblue.com/open/clarkcon...erconstruction


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