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-   -   CHICAGO | 435 N Park | 569 ft | 49 FLOORS | COM (http://forum.skyscraperpage.com/showthread.php?t=198244)

harryc Jan 28, 2013 12:59 AM

Jan 25
 


Measure twice - pour once



1/23


Many more photos from 435 Park, Chicago Ill.

harryc Feb 3, 2013 2:24 PM

Warmer


Colder



Power !

harryc Feb 11, 2013 1:09 AM

Feb 5 and 6
 
Sump tube




Some old rip-rap that was missed.





Rizzo Feb 11, 2013 4:26 AM

Thanks for these updates Harry. One of the couple of reasons I miss my old office location. I could just walk on over during lunch and snap picks of the construction. Too deep in the loop for that now!

Mr Roboto Feb 11, 2013 4:50 AM

They just drilling and pouring caissons now right? How many and how deep are those supposed to go? Sorry if this has been asked before.

harryc Feb 11, 2013 11:16 AM

Quote:

Originally Posted by Mr Roboto (Post 6009954)
They just drilling and pouring caissons now right? How many and how deep are those supposed to go? Sorry if this has been asked before.

AFAIK 115 holes - down to hardpan which is about 50-80' in Streeterville.

Mr Roboto Feb 15, 2013 9:26 PM

Awesome, thanks for all the updates too!

Swicago Swi Sox Feb 19, 2013 4:33 AM

Looks like they are prepping to pour the Mat pretty soon. Sheeting installed and caisson tops exposed.

https://lh6.googleusercontent.com/-I...o+%2810%29.JPG

Sheeting installed at other locations as well. I don't remember this thing having a really deep basement or anything, so probably just enough sheeting to go down 3 or 4 feet to install shallow foundations?

https://lh4.googleusercontent.com/-h...o+%2812%29.JPG

Case was also disassembling one of their drill rigs, so it looks like caissons may be mostly installed. Excavation and shallow foundations should start very soon.

https://lh4.googleusercontent.com/-R...o+%2811%29.JPG

ehilton44 Feb 20, 2013 7:12 PM

Thanks for the pics and commentary Swicago Swi Sox!

134sparky Feb 21, 2013 10:52 PM

so now that construction has been stopped does anyone know the time frame of removal of the radioactive metal??? Also does this mean a change of plans for the developer, different site or change the design again???

Notyrview Feb 21, 2013 11:08 PM

The only thing that's radioactive is your post.

harryc Feb 23, 2013 3:00 AM

Taking it to the mat
 
2/19
Case moving out - taking their trimmings with them.


Case still packing up, these guys busy at work.


The sump tube


Tieng them all together


2/21
The eternal optimist


Asymmetric foundation




They were flooding, then draining, each of these - any idea why ?





465 N Park - Site prep to today

jet cm Feb 23, 2013 12:47 PM

[QUOTE=harryc;6025606]2/19

They were flooding, then draining, each of these - any idea why ?


:) No sophisticated reason, there are only so many pumps out and so much hose. One guy has something to do in one spot so he has it pumped out and the hose only reaches so far so the laborer puts it in whatever hole it reaches to rather than walk all the way back to the trailer and get another length of hose. Next somebody wants that hole dry so he does the same thing to another hole.

harryc Feb 23, 2013 1:09 PM

[QUOTE=jet cm;6025889]
Quote:

Originally Posted by harryc (Post 6025606)
2/19

They were flooding, then draining, each of these - any idea why ?


:) No sophisticated reason, there are only so many pumps out and so much hose. One guy has something to do in one spot so he has it pumped out and the hose only reaches so far so the laborer puts it in whatever hole it reaches to rather than walk all the way back to the trailer and get another length of hose. Next somebody wants that hole dry so he does the same thing to another hole.

Possible - looked like the holes had been deliberately dug out and then filled but it could just be from the water table seeping in.

Swicago Swi Sox Feb 23, 2013 6:53 PM

It looks like the water in the hole had frozen into ice in one of you pictures. Maybe they flooded the icy holes with warm water to melt the ice? They might not have been able to chip away the ice because that could have damaged the rebar?

Chicago_Forever Feb 25, 2013 11:43 PM

Just went by this one a little earlier and the crane is up. :cheers:

harryc Feb 26, 2013 12:24 AM

Quote:

Originally Posted by Chicago_Forever (Post 6028807)
Just went by this one a little earlier and the crane is up. :cheers:

That was fast - they only had the first section (implanted in the foundation) up at lunch. They were assembling the very tall telescoping crane at that time.

the urban politician Feb 26, 2013 12:54 AM

^ Awwww yeah, another crane. Made my day!

chicagogreg Feb 26, 2013 12:56 AM

111 Wacker and this in a matter of a few days....sweet.

harryc Feb 26, 2013 1:30 AM

Quote:

Originally Posted by chicagogreg (Post 6028947)
111 Wacker and this in a matter of a few days....sweet.

111 W Wacker the crane popped up above the current top at the end of the day.


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