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

Ned.B Dec 19, 2019 2:27 PM

Quote:

Originally Posted by LastWyzard (Post 8780116)
There was a pedestrian tunnel from the demolished parking structure to Union Station. Possibly they are dealing with that?

Possibly part of it, but most of the pedestrian tunnel is staying and will connect into the new tower. The tunnel is also mostly located under Canal Street. Only the last ramped section was being removed and rebuilt.

This is a complex site with lots of built history. There is a freight tunnel that runs through the center of it for instance that has to be maintained, and the 'L' used to cross through it as well. I believe the piles from the demolished garage are too high for the new basement level (there might be other foundations as well). and part of the site at the southeast corner used to be part of Canal Street. I know the bus station was delayed many times while discovering previously uncharted abandoned and active utilities. Any one of these things could be involved in the current site work.

harryc Dec 19, 2019 5:46 PM

Quote:

Originally Posted by Fvn (Post 8779955)
That looks like they're coring something. I know when they did the transit center next door they had problems driving sheet piles and had to drill out some old concrete in order to do so.

Concrete trucks are possibly filling an old utility vault/duct.

That is a secant operation - never seen it done with this kind of rig.
They will drill holes that are just about touching - filled with concrete and usually an I-Beam - then after those cure come back and drill down betwen each nearly touching hole, fill that with concrete and rebar, and walla - a wall.
Same thing that has been done at One Chicago.

Some Secant Wall shots from One Chicago, da Spire, 9 W Walton, and OMP

BVictor1 Dec 20, 2019 2:54 PM

They're having a 'cerimonial' groundbreaking fro BMO Tower today. Mayor on hand.

rivernorthlurker Dec 20, 2019 8:35 PM

Quote:

Originally Posted by BVictor1 (Post 8781222)
They're having a 'cerimonial' groundbreaking fro BMO Tower today. Mayor on hand.

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

https://i.imgur.com/3w5NZg4.png

RedCorsair87 Dec 21, 2019 12:15 AM

https://www.instagram.com/p/B6T2mOvlz41/

Chi-Sky21 Dec 21, 2019 12:51 AM

i need to get on that deck at some point for THAT view of Sears!

KWillChicago Dec 21, 2019 2:05 AM

So BMO doesn't have the naming rights? Union Station Tower?

spyguy Dec 21, 2019 5:48 AM

Larger version:


https://www.gpchicago.com/media/imag...-1600x1200.jpg

BorisMolotov Dec 21, 2019 7:32 PM

Okay this is a lot more visually interesting now. I like the faceted glass. The original renderings made it seem like it would just be flat glass all the way around.

SolarWind Dec 24, 2019 5:24 AM

December 23, 2019










Steely Dan Dec 27, 2019 5:10 PM

according to the webcam, there look to be some new pieces of equipment being assembled on site this morning.

possibly caisson rigs?

pianowizard Dec 27, 2019 6:24 PM

Curbed.com has already added this building to their list of high-rises under construction in Chicago:

https://chicago.curbed.com/maps/high...nstruction-map

Of course, on SkyscraperPage the designation "under construction" requires caisson drilling, though the Curbed page is nonetheless fairly informative, with a useful interactive map.

rivernorthlurker Dec 28, 2019 9:24 PM

Merry Christmas all! :thrasher:

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

https://i.imgur.com/T8cMroe.png

Suburban Shadow Dec 28, 2019 9:34 PM

BMO Tower aka 320 S. Canal received their foundation permit on the 24th

KWillChicago Dec 28, 2019 9:39 PM

Peanut butter jelly time?

rivernorthlurker Dec 28, 2019 9:42 PM

Quote:

Originally Posted by KWillChicago (Post 8786159)
Peanut butter jelly time?

Though the bit may literally have broken the surface, I think they're just getting everything in place today to really step on the gas on Monday. So I'm holding my emoji's till then.

rivernorthlurker Dec 28, 2019 9:44 PM

Quote:

Originally Posted by rivernorthlurker (Post 8786160)
Though the bit may literally have broken the surface, I think they're just getting everything in place today to really step on the gas on Monday. So I'm holding my emoji's till then.

Well banana emoji's at least, lol.

harryc Dec 29, 2019 3:36 PM

BMO Tower - 310 S Canal
 
Dec 20



Stuff from the past









aaron38 Dec 30, 2019 5:41 AM

This tower is going to stand out a lot in the Adler “postcard” view. It’s going to sit next to 311 Wacker and be a deep layer behind the Mich ave wall.

Then the Jahn tower and that poster I had from 1998 will be so out of date.

Steely Dan Dec 30, 2019 4:12 PM

well now it 100% looks like they're assembling a classic yellow & blue Case caisson rig on-site this morning.

this project will most likely be officially U/C later this week or early next.

and that red rig now appears to be driving sheet piling into the ground.


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