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Old September 19th, 2007, 09:06 PM   #3261
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Quote:
Originally Posted by TICONLA1 View Post
These are large cassions, at least 12' in diameter, but i just can't imagine one per the 7 main footings, it would seem to me that a cassion "cluster" would be in order here, also there has to be more than one cassion below the core.

time will tell i guess.!!!
2 big caissons per main footing, then another 15 (?) below the central core.

The upper tops are 12', lower down they go to 11' The bottoms of the sockets are a puny4-6' .
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Old September 19th, 2007, 09:19 PM   #3262
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Thanks for the info, my fear is abated.!!!
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Old September 19th, 2007, 09:19 PM   #3263
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Originally Posted by xlchrisij View Post
John Hancock Center still bigger?
No.

John Hancock is 1,127 feet (344 m) tall whereas Chicago Spire will be 2,000 feet (610 m) tall. The photo was taken north of the Loop and Gold Coast so any building closest to that point (such as John Hancock) appear taller than the buildings farther south.
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Old September 19th, 2007, 09:23 PM   #3264
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Quote:
Originally Posted by JPmaverick View Post
No.

John Hancock is 1,127 feet (344 m) tall whereas Chicago Spire will be 2,000 feet (610 m) tall. The photo was taken north of the Loop and Gold Coast so any building closest to that point (such as John Hancock) appear taller than the buildings farther south.
The rendering is not very accurate, for one it puts the Spire on the wrong side of LSD.
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Old September 19th, 2007, 11:03 PM   #3265
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Quote:
Originally Posted by xlchrisij View Post
John Hancock Center still bigger?
Quote:
Originally Posted by harryc View Post
The rendering is not very accurate, for one it puts the Spire on the wrong side of LSD.
Yes. Not to mention that it's east of Cityfront Place rather than south and also isn't proportionate to what will actually be constructed.

So again, xlchrisij, despite any representation you may find here or elsewhere, Chicago Spire will be the tallest.
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Old September 19th, 2007, 11:50 PM   #3266
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Originally Posted by dwalden View Post
Here is the e-mail they just sent out if you are signed up on the official Spire site for updates:

http://blab.thirdeyedesign.co.uk/bro...c2bebc966e3cf/
Thanks for the link dwalden, the text reads:

"The construction of The Chicago Spire started in July 2007. Over the coming months, 34 supporting caissons will be drilled 120 feet into bedrock below the site, providing the foundation for all subsequent construction."

So 2x7 cassions for the outer footings leaves 20 for the central core.

How is the cassion drilled into the bedrock?
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Old September 19th, 2007, 11:58 PM   #3267
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Quote:
Originally Posted by Astounded View Post
Thanks for the link dwalden, the text reads:

"The construction of The Chicago Spire started in July 2007. Over the coming months, 34 supporting caissons will be drilled 120 feet into bedrock below the site, providing the foundation for all subsequent construction."

So 2x7 cassions for the outer footings leaves 20 for the central core.

How is the cassion drilled into the bedrock?
Ugggg - who do they have writing this stuff, The main caissons go 120' into the ground, about 10' into the bedrock itself.
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Old September 20th, 2007, 12:33 AM   #3268
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10 feet into the bedrock ... that must be Mr. Smiley's job

Just browing the Case foundation site and found this page on drilled shafts and another one on topdown construction - given the deep car garage, this is probably how they will build it.
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Old September 20th, 2007, 01:56 AM   #3269
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I think most people will be disappointed: it's a lame ad. No renderings, no
floor plans, just a couple of quotes from Calatrava and an image of a
nautilus shell. Oh, and a phone #.
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Old September 20th, 2007, 04:34 AM   #3270
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Ugggg - who do they have writing this stuff, The main caissons go 120' into the ground, about 10' into the bedrock itself.
What they wrote was fine--they didn't say they're drilling 120' through bedrock, they said they'd be drilling 120' into bedrock.
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Old September 20th, 2007, 07:39 AM   #3271
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Quote:
Originally Posted by dwalden View Post
Here is the e-mail they just sent out if you are signed up on the official Spire site for updates:

http://blab.thirdeyedesign.co.uk/bro...c2bebc966e3cf/

Too bad the Hancock Center hasn't had those red-and-white antennae for several years now . . . I miss them. I thought they added character to the building.
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Old September 20th, 2007, 07:38 PM   #3272
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The site in 1968, from Encyclopedia. of chicago history

How things have changed!
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Old September 20th, 2007, 07:55 PM   #3273
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[
The site in 1968, from ...snip...
How things have changed!
Some stuff left behind - Grease trap ?



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Old September 20th, 2007, 09:01 PM   #3274
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Whats that little gift left behind from the old days? What ever it is it's huge and it looks like it weighs about two tons.
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Old September 20th, 2007, 09:05 PM   #3275
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This building's construction excites me more than the Burj.
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Old September 20th, 2007, 10:10 PM   #3276
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I hate the caisson part of construction. seems to take foreverrrrrrrrrrrrrr
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Old September 20th, 2007, 11:08 PM   #3277
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This building's construction excites me more than the Burj.
Me too.
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Old September 20th, 2007, 11:32 PM   #3278
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I hate the caisson part of construction. seems to take foreverrrrrrrrrrrrrr
Agreed, I usually start paying attention when the rising begins.

But everyone belittled me for saying that once. "If you don't want to see construction then don't come here"
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Old September 20th, 2007, 11:41 PM   #3279
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Too true

But the main reason for me is that it's fairly close by. Chicago is much closer than Dubai,Shanghai etc. Great design CS,I was at the site over the summer anticipating the many floors to soon rise above. GO CHICAGO
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Old September 21st, 2007, 04:38 AM   #3280
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Agreed, I usually start paying attention when the rising begins.

But everyone belittled me for saying that once. "If you don't want to see construction then don't come here"
^ You've got company. People like you and me, not in the construction/architecture field--all we care about is the part of the project when the building actually begins to look like what it's destined to become
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