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Old January 6th, 2008, 03:28 AM   #4621
metrofan
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Hi! I'm just read this thread and I have some questions....

First of all, what kind of great soil do you have at Chicago???? I can't realize seein how a big hole is being digged just metres away of the lake Michigan and no water is inside the hole...

More time would mean more questios...
That's all for today, and congratulations for such a great thread, i'm going to keep my eyes on it!

See you.
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Old January 6th, 2008, 03:32 AM   #4622
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you read this whole thread? all 174 pages of it?

wow.
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Old January 6th, 2008, 05:33 AM   #4623
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Quote:
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you read this whole thread? all 174 pages of it?

wow.
I've done it before ¬_¬
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Old January 6th, 2008, 06:05 AM   #4624
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I've done it before ¬_¬
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Old January 6th, 2008, 03:37 PM   #4625
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Jan 04 - Lunch 2

Pumping out something in the NW corner - all the other pumps seem to empty into the river, could this be a surprise left by an old tenent ? the old freight tunnels ?



Pound and bury, another step in building a caisson pair cap.



New tie-back for riverwall, with forms for the slurry wall's guide wall going up.





Ramp from N bound LSD



Removing the old wall and guard rail.



[ for the following photos click on the picture to go to the full sized image ]

Forms being constructed



Digging out


Vinyl coated - From GE "Fumes given off by molten resin during processing may irritate the eyes skin or resperatory tract. ....."
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Old January 6th, 2008, 03:50 PM   #4626
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Quote:
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how deep would you say the hole is right now? looks quite deep compared to the digger!
I'd say some... 7 or 8 metres deep
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Old January 6th, 2008, 04:09 PM   #4627
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Jan 04 - Secant

A sequence showing the sleeve and bucket ( terminology ? ) method used to excavate the initial caissons for the secant wall.

The photos are sort of in order - note how far the sleeve is driven between the first and last shot - about 50 minutes apart.

Pulling the bucket bit thingy up.







Emptying out the (steaming hot) clay.


Lowering the bucket back down for another load.
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Old January 6th, 2008, 05:08 PM   #4628
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Jan 04 - Slurry Wall

[ These are all WebShots - click on the image for a full size version ]

I thought I was going to see CASE use the odd hanger thing to put a rebar cage in the trench dug out yesterday, possibly I was wrong, possibly I didn't hang around long enough.

The cage on the truck with the lifter frame being attached.


Last set of rebar in place.


Very neatly tied off


Admiring yesterdays work - I thought


Lifting - 7 man job - 1 rope guy on each side, with a spotter, truck driver, crane operator, and super ( this role seems to swtich back and forth amoung them ).




Up and truck pulling out


Pulleys - simple fix for problem of cable lenghts changing as the cage is rotated 90 degrees.


3 in font, 2 in back - the back 2 are on a separate winches, the crane operator lifts both sets to get it off the truck and then high enough so that when the top one only is raised, and the mat rotates to vertical, the bottom doesn't hit the ground.










putting the bottom bar back on, after removing the braces from the bottom.


Removing more braces.




This is where I get lost - it looks like they are trying to slip this one over the one already in the trench








The two are coupled together with these - tightened down with an impact wrench.








From the other side, note how tall this thing is, showing how deep the slurry wall is.






More guide wall for the next section. ( pipes are water for the slurry operations )







Pouring another section of guide wall



After looking closely I am guessing that they tied off the new section on a convenient old section to hold it still while the temporary spacers were removed, I expect to see this section in the new trench Monday morning.
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Old January 6th, 2008, 05:13 PM   #4629
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amazing updates harry. does anybody know when they'll start with the excavation of the area?
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Old January 6th, 2008, 05:45 PM   #4630
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Quote:
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One of the most bizarre developments I've ever seen. A 150 floor tower next to 3 floor building
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Old January 6th, 2008, 06:28 PM   #4631
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Why??? Have you been to Chicago? The very thing that makes you question...is what makes this city great!
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Old January 6th, 2008, 07:48 PM   #4632
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excellent updates harryc,i didnt realise how deep that excavation is for that rebar.
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Old January 6th, 2008, 09:39 PM   #4633
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Diameter of the hole seems to be so small. Just can't imagine how tall and slim this building is going to be. By the way - 150 floors building next to 2 storey housings, ain't that strange?
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Old January 6th, 2008, 10:09 PM   #4634
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Quote:
Originally Posted by sirgalahad View Post
Diameter of the hole seems to be so small. Just can't imagine how tall and slim this building is going to be. By the way - 150 floors building next to 2 storey housings, ain't that strange?
small??? the hole is only for the core
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Old January 6th, 2008, 11:22 PM   #4635
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Quote:
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Diameter of the hole seems to be so small. Just can't imagine how tall and slim this building is going to be. By the way - 150 floors building next to 2 storey housings, ain't that strange?
COOOOOOOOOOORE!
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Old January 6th, 2008, 11:42 PM   #4636
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Quote:
Originally Posted by [Kees] View Post
One of the most bizarre developments I've ever seen. A 150 floor tower next to 3 floor building
If anything, it will just make it appear larger. Perhaps it's just what they want.
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Old January 6th, 2008, 11:46 PM   #4637
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Quote:
Originally Posted by [Kees] View Post
One of the most bizarre developments I've ever seen. A 150 floor tower next to 3 floor building
If you look at it from further away you'll see the strange thing isn't the skyscraper, it's the small townhouses. They're the smallest buildings in a sea of highrises. As far as I'm concerned, down the road they should be bought out.
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Old January 7th, 2008, 03:46 AM   #4638
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Im sure the small townhouses are so small because zoning laws.
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Old January 7th, 2008, 04:21 AM   #4639
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lookin fantastic!
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Old January 7th, 2008, 06:42 AM   #4640
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Composite

This image was originally posted on SSC by "Wickedestcity"

I have added Waterview, Trump, the spire the Arquitectonica building, aqua, and Waldorf=Astorria as well as increased the height of bcbs.

It wasn't until I was increasing the height of bcbs that I realized 340 on the park was missing - too late - sorry.

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