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Old September 21st, 2007, 05:02 AM   #3281
feworkr
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Anybody see this week's Crain's? 'Condo sales are being pushed back more than 3 months due to delay with regulatory filings required by the US government.' (What would you expect from a painting contractor?) There are 1,193 condos. They still haven't sold (sales been going on since 2004) all the 34 units at 50 E. Chestnut, now upwards of $3mil. It appears that the paperwork required is protect people 'when those units are sold more than 2 years before they are to be delivered'. If this Spire falls through (as I predicted a year ago) the 'foundation (caissons) now being built could be used for a smaller building'.
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Old September 21st, 2007, 07:13 AM   #3282
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Did anyone else get an update on this project? I just got this in my email a couple days ago.


View this email in your browser.
The Chicago Spire

September 2007
Construction Started
Calatrava Interview
Worldwide Media Coverage

Construction Underway

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. The caisson support system was pioneered in Chicago at the end of the nineteenth century and has been pivotal in creating the city’s already impressive skyline. Case Foundation Company, who were engaged in June to commence works, are delighted with progress so far. This sub-ground phase of development will be completed by Q1 2008.

The next stage of development focuses on creating access ramps to and from Lake Shore Drive. Our aim here is to serve the needs of the site throughout construction, with a minimal impact on traffic flow in the city and the surrounding area. From that point forward, we will be focused on reaching first occupancy early in 2011.

Santiago Calatrava Interview

Santiago Calatrava is passionate about architecture, but his passion goes much deeper than the aesthetics of good design. Inspired by nature, by great art, his buildings are undoubtedly beautiful but for Calatrava they only become meaningful when they interact with people’s everyday lives. As he says of The Chicago Spire, it is the people who will live there that will “give life to the building.”

Calatrava is already thinking well beyond the design and build process to the time when the residents will arrive home and “enjoy the light of the city, the changing of the seasons, the changing of color…a sunset.”

Hear for yourself his vision, his wholehearted commitment to this great building, in two short extracts from an exclusive interview at www.thechicagospire.com

Worldwide Media Coverage

We believe that The Chicago Spire is the world’s most significant residential development. It seems that the world’s press agrees with us. Since final planning approval was granted in April, The Chicago Spire has made headlines in more than 34 countries across 5 continents, in publications as diverse as The Financial Times, Frankfurter Allgemeine, Wall Street Journal Asia and The Vancouver Sun. Altogether more than 1,400 press articles have featured our progress so far, with the city of Chicago continuing to attract the attention of all major global media channels.

For more information visit http://www.thechicagospire.com
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Old September 21st, 2007, 04:26 PM   #3283
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Sept 21 - AM

View from above
[ full set - zoomable http://picasaweb.google.com/harry.r..../400NLSDCSHeli ]


Old foundations


Water Table has been found


New Arrival




Test - looks like the blue thing pounds !


Secant wall


I think the I Beams are to keep the Secant piers on on course, the caisson tube appears to go Over each one. I was having difficulty imagining drilling the interstitial piers without the bit slipping to one side or another, time will tell.



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Old September 21st, 2007, 04:42 PM   #3284
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when shuld the real eskivation bigin ?
(the removal of the soil) ?
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Old September 21st, 2007, 04:49 PM   #3285
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Quote:
Originally Posted by vanhenrik View Post
when shuld the real eskivation bigin ?
(the removal of the soil) ?
After the secant wall is completed, as shown the water table is just a few feet below the surface here.

Unfortunately this will be top down construction so much, if not all, of the excavation will be hidden under a big concrete slab.
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Old September 21st, 2007, 05:04 PM   #3286
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Yes that water table looks the same level as the river. Per square foot this has to be one of the most profitable landfill sites in the world!
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Old September 21st, 2007, 06:07 PM   #3287
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Great updates ! Soon we will have the continent´s tallest skyscraper!
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Old September 21st, 2007, 06:37 PM   #3288
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Quote:
Originally Posted by harryc View Post
After the secant wall is completed, as shown the water table is just a few feet below the surface here.

Unfortunately this will be top down construction so much, if not all, of the excavation will be hidden under a big concrete slab.
But isn't it a big advantage?
They can start the construction above the ground, while digging out everything.
Look at NY, where they still are 20 meters below the surface and gotta wait until the last underground floor is built.
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Old September 21st, 2007, 06:45 PM   #3289
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Quote:
Originally Posted by devilsadvocate View Post
But isn't it a big advantage?
They can start the construction above the ground, while digging out everything.
Look at NY, where they still are 20 meters below the surface and gotta wait until the last underground floor is built.
1/2 of this site is a 20M + deep parking garage ( 400 + Bicycles, and some cars ), the other 1/2 is the tower itself.

At block 37 this sped things up, there are 3 stories of Steel up and they are still digging underground. There is nothing planned for the top of the parking garage except a fountain and totem pole. I have a real hard time envisioning building much above a foundation mat before it is laid.
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Old September 21st, 2007, 08:43 PM   #3290
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how das top down construction work ? can som one show it in grafic ?
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Old September 21st, 2007, 08:59 PM   #3291
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Quote:
Originally Posted by vanhenrik View Post
how das top down construction work ? can som one show it in grafic ?
This site has some great graphics, you might be able to read it, I can't

http://www.calice.igt.ethz.ch/Challe...nge/secant.htm

I am wondering about the I beams shown in the primary caissons on the secant wall, there are similar I beams in place at CS, but my guess is that they are used to keep the caisson sleeve going straight down, they must be removed before the dirt can be pulled out with that nasty looking auger bit.
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Old September 22nd, 2007, 01:02 AM   #3292
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For those who wondered, there is a full 360° rotation from the base to the very top. So fracking elegant. Genius.
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Old September 22nd, 2007, 01:11 AM   #3293
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When can we realistically expect this thing to start rising above the ground?
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Old September 22nd, 2007, 01:17 AM   #3294
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..

Last edited by SGMD1; September 21st, 2013 at 05:46 PM.
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Old September 22nd, 2007, 01:46 AM   #3295
malec
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I recon a year at least
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Old September 22nd, 2007, 02:00 AM   #3296
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Quote:
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I recon a year at least
yeah I would say by next summer, things will get very interesting.
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Old September 22nd, 2007, 06:33 AM   #3297
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http://www.telegraph.co.uk/property/...pchicago22.xml

New skyscrapers are transforming Chicago

Last Updated: 12:01am BST 22/09/2007



A spree of tall buildings is changing the face of Chicago yet again - but will their value grow too? Graham Norwood reports



The world's tallest residential skyscraper is being launched in Chicago next week, and British investors are being urged to risk the rollercoaster US housing market and buy into the scheme.

The Chicago Spire will be 2,000ft tall, contain over 1,200 flats and be completed in 2010.

The magnificent design is by celebrated Spanish architect Santiago Calatrava. Each of the Spire's 150 storeys will be offset by two degrees against the floor beneath, making the building look like the twisting thread of a screw.

In downtown Chicago, already home to some of the world's finest architecture including designs by Frank Lloyd Wright, many other towers are under construction.

They include the Waterview, stretching to 1,047?ft, and the Trump at 1,362?ft. Another seven towers from 620?ft to 950?ft are due for completion before the Spire, and a dozen others are at planning stage.

...

The city already has four major financial exchanges, and is home to 66 Fortune 500 companies. It is also bidding for the 2016 summer Olympic Games, which will trigger large-scale regeneration if successful. So the Spire may well become a global symbol for a city on the move.


...


"Prices fetch £3,000 per square foot in central London and £2,500 in Manhattan, and the Spire will cost only a fraction of that," says Savills director Ed Lewis. He promises each apartment will be big: "Americans like their elbow room. Even a studio will be 750-800 sq ft, some 15 to 20 per cent larger than in the UK."

...
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Old September 22nd, 2007, 06:57 AM   #3298
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Why the question marks after the heights? We know journalists Google and end up here, so....
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Old September 22nd, 2007, 07:24 AM   #3299
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Quote:
Originally Posted by Muse View Post
Why the question marks after the heights? We know journalists Google and end up here, so....

I do not think that they trust such a site as a definitive answer for information that they can quote without worry about the accuracy.

I think in time this will change and this site will be one of the best sources for building information.

But if they were serious they could haved used emporis as source.

Last edited by bnk; September 22nd, 2007 at 08:28 AM.
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Old September 22nd, 2007, 07:38 AM   #3300
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IMO Chicago is the second most booming city in the world in terms of skyscraper construction behind u know who.

go go chicago!!!
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