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Old May 21st, 2011, 05:21 PM   #481
oli83
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In this pdf a few things are explained more detailed, and especially there are some drawings in the ends.. Zen could have helped you (and us)..

http://www.panynj.gov/wtcprogress/pd...ort_oct_08.pdf

btw the 16000 is disassembled right now!
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Old May 21st, 2011, 09:05 PM   #482
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Joe Woolhead










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Old May 22nd, 2011, 12:13 AM   #483
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nice project.
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Old May 23rd, 2011, 12:27 AM   #484
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Quote:
Originally Posted by oli83 View Post
In this pdf a few things are explained more detailed, and especially there are some drawings in the ends.. Zen could have helped you (and us)..

http://www.panynj.gov/wtcprogress/pd...ort_oct_08.pdf

btw the 16000 is disassembled right now!
Thank you Oli, that definitely helped.
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Old May 23rd, 2011, 04:06 PM   #485
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I'm sure everyone has seen this animation...but for those who haven't it really helps understand how it all fits together underground. http://www.brookfield.com/content/br...ion-24736.html
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Old May 24th, 2011, 12:26 PM   #486
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Supercolumn!

from http://blogs.discovery.com/rebuilding-ground-zero:







May 17, 2011 - It's well after 3 AM and still dark out. It’ll be a few more hours until the sun breaks up the indigo night sky over Lower Manhattan, ushering in the day, announcing that Friday has finally arrived and the weekend is upon us.

It's been another long night for the guys working on The Hub. Foreman Mike Sullivan and the ironworkers started their shift at 7 and haven't broken for "lunch" yet. Steel superintendent Brandin Stitt punched in Thursday at 6. He’s going on twenty-one hours; the fatigue showing on his face, the wear betrayed by the dark rings beneath his eyes. "I'll just be glad when this week is over," he says.

Tonight marked a major milestone for the project as the first of four Super Columns was installed. Welders had been working 'round the clock on the steel: two shifts, twenty-three hour days, seven days a week. It had taken four months of on-site fabrication to create the 227- ton column that will unify the Transportation Hub's PATH Hall and Transit Hall, allowing commuters to traverse between Ground Zero’s east and west side. At more than half a million pounds, this was the heaviest piece of steel to be lifted and placed on the entire 16 acre site; arguably – certainly literally – the Hub's biggest moment.

May-2011-hub-v1Last minute welding and grinding continued on the Super Column until after 11. As soon as the flames were extinguished on the acetylene torches, the raising gang went to work, moving the column horizontally, into position. At 1, the column was tripped up, then carefully, slowly, methodically, hoisted up and over the train line that bisects the site.

Veteran ironworker Troy Stremming stood on the west side, perched atop temporary steel shoring, ready to receive the piece. He had 3 feet to work with, with an 80 foot drop to bedrock and steel below – but he looked comfortable guiding the monstrous column into place, careful to keep it away from PATH Hall's steel.

By 3 AM, the raising gang had successfully lowered the column onto its massive concrete footing. The team is now welding it in place, affixing it to its steel base plate. Sullivan, who was integral in the operation – at one point even taking hold of one of the guidelines to help pull the Super Column away from the steel already in place – looked on, happy with the night's procedure.

“It was a slow pick. It took longer than most – but it’s a big piece,” Sullivan remarked. “We got it in safely, and now we’ll keep moving forward.” His eyes were alert, awake despite the hour, surveying the work being finished before us.

Brian Cimagala
Story Producer - Transportation Hub
The Rising: Rebuilding Ground Zero
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Old May 24th, 2011, 01:18 PM   #487
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Quote:
Originally Posted by Swiddle View Post
I don't like the last one at all. Looks too wiry and seems smaller.
that's the beauty of it. it's different! i like it!!
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Old May 24th, 2011, 09:03 PM   #488
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I've grown to like that design a lot more than I did when I made that comment a year ago. But I'm still happy with what we're getting, though having an openable roof would have been neat.

Amazing pictures of the super columns. Will each one be filled with concrete and encased in concrete? I think Zen mentioned a while back that they will be filled, but I'm not sure about encasing them. Obviously they will have to be clad by something, but concrete would make them that much stronger, especially if rebar is included.
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Old May 24th, 2011, 09:47 PM   #489
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Quote:
Originally Posted by Swiddle View Post
I've grown to like that design a lot more than I did when I made that comment a year ago. But I'm still happy with what we're getting, though having an openable roof would have been neat.

Amazing pictures of the super columns. Will each one be filled with concrete and encased in concrete? I think Zen mentioned a while back that they will be filled, but I'm not sure about encasing them. Obviously they will have to be clad by something, but concrete would make them that much stronger, especially if rebar is included.
Only the lower half has shear studs, so they are probably encasing only the lower half in concrete.

BTW 227 tons is not "over half a million pounds".
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Old May 28th, 2011, 07:10 AM   #490
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Another super going in tonight:

[IMG]http://i54.************/23tnivo.png[/IMG]
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Old May 28th, 2011, 07:02 PM   #491
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So now both western supercolumns are placed!

from flickr, by javarulezzz

image hosted on flickr
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Old May 28th, 2011, 10:34 PM   #492
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Good day,
Can i please ask when will this transportation hub be open?
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Old May 29th, 2011, 03:29 PM   #493
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Quote:
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Good day,
Can i please ask when will this transportation hub be open?
Probably 2014 or 2015.
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Old June 1st, 2011, 06:49 PM   #494
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I doubt that until we see WTC 2 and 3 build to grade we will see any station as it appears on the design. I just don't see how it is possible to to have to holes to the right and left and station such as Calatrava designed in the middle.
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Old June 1st, 2011, 08:11 PM   #495
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the basements of 2 and 3 will be built to grade (the PA is paying for them), and they are already well ahead of the station entrance. They really can't start on the station building until they are done with the subway box and can get that humongous crane out of the way.
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Old June 2nd, 2011, 04:44 PM   #496
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Another tower crane is being assembled by 18000 on the hub site right now..
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Old June 2nd, 2011, 05:38 PM   #497
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Here is a pic:


http://evsdatacenter.netfirms.com/kpitv/silver.htm
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Old June 2nd, 2011, 08:10 PM   #498
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They are moving over the crane that is next to the pavillion.
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Old June 2nd, 2011, 08:23 PM   #499
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Picture of the central spine of the hub, posted by lofter1, WiredNewYork

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Old June 2nd, 2011, 09:04 PM   #500
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Quote:
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They are moving over the crane that is next to the pavillion.
You're right. They are doing it now.
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