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Old March 16th, 2012, 03:31 PM   #841
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The early bird catches the worm...
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Old March 17th, 2012, 05:11 AM   #842
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I can't wait to see all the work done on the floors. Then they can focus entirely on the steel side of things.
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Old March 17th, 2012, 11:16 AM   #843
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Quote:
Originally Posted by MusicMan84 View Post
Look closest to the crane's tower, there are vertical pieces that appear a different color (off-white instead of rust). They aren't the arches yet - just the beginning. If you look at some of the renderings you can get a sense for where they may be - inside of the hub.
ooohhh... I see them now... thanks!
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Old March 17th, 2012, 05:56 PM   #844
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This is a really fun project to watch because of the complexity and unique shape.

Does anyone know if the subway box has been transferred from the temporary supports to the truss system & supercolumns yet? - or when we might see some of the scaffolding (?) and temporary supports disappear in that area. Will that happen as the concrete and steel nears that side of the site - or will it be built around that?

Not sure if that question makes sense, because I am not completely sure of what I am looking at in the cams - but it would seem that there are a lot of obstacles in the way on that end for what will eventually be a connector under the subway box between the transit hall and path hall.
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Old March 19th, 2012, 12:00 AM   #845
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image hosted on flickr


by EasyAim on flickr
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Old March 19th, 2012, 12:43 AM   #846
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Great progress going on at the transit hall, though a bit dissapointing the value engineering process made the oculus smaller than originally conceived. At street level the footprint will be even smaller
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Old March 19th, 2012, 10:05 PM   #847
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From WTC Progress Facebook:


Of course, most of the comments on the photo are about 1 WTC, and not what is happening below...

Also enjoyable about this picture - the reflection in 7 WTC from this angle.
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Old March 19th, 2012, 11:58 PM   #848
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From down below everything looks much bigger than from above. I was also a little bit disappointed first because it looked taller in the renders, but on the last pic the columns look huge, and there are still taller ones to come!
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Old March 21st, 2012, 03:44 PM   #849
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Joe Woolhead (March 12, 2012) on http://www.wtc.com/media/

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Old March 23rd, 2012, 04:17 AM   #850
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I have to say, I never understand how what I am looking at here in terms of construction relates to the final building.
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Old March 23rd, 2012, 12:09 PM   #851
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Quote:
Originally Posted by 600West218 View Post
I have to say, I never understand how what I am looking at here in terms of construction relates to the final building.
Well, if you look at a rendering like the one below, it seems we simply see the outer columns around the free area, though the free area looks bigger in the rendering.
You can also notice the connections of the columns where the other columns will be attached which go up slanted to the center. (sorry for my unprofessional language )



from http://www.lowermanhattan.info/news/...y/?album_id=35
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Old March 23rd, 2012, 05:11 PM   #852
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Great, thanks. I think I got it now. So the floor of the transit center will be about one floor below street level. BTW, they appear not to have done the columns on the left yet, only the right.

And the big vertical columns will go up by years end??
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Old March 25th, 2012, 02:18 AM   #853
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Quote:
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And the big vertical columns will go up by years end??
Most of them (if not all) probably next year. Some more newer renderings:

http://www.archdaily.com/169413/upda...und-zero-dbox/





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Old March 25th, 2012, 07:33 AM   #854
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an 'armored dinosaur' bones

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Old March 25th, 2012, 06:08 PM   #855
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Tower Crane Base

Looks like another Tower Crane has been started. The base is the Red Steel that looks like an cross.
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Old March 25th, 2012, 07:39 PM   #856
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Yup, a third Federated/DCM crane will eventually replace the other two, what's interersting about this one is that it will ride on a track, moving throughout the Oculus.
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Old March 25th, 2012, 07:53 PM   #857
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Quote:
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Yup, a third Federated/DCM crane will eventually replace the other two, what's interersting about this one is that it will ride on a track, moving throughout the Oculus.
Oh, that is interesting. Thanks...was wondering how they were going build the oculus around the two towers. One moving on a track makes sense, can't wait to see that.
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Old March 25th, 2012, 08:11 PM   #858
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That is interesting indeed. But do you think a tower crane which is even able to move is capable of lifting all huge columns? Probably some assistance will be needed for the biggest ones..
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Old March 25th, 2012, 08:19 PM   #859
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Quote:
Originally Posted by oli83 View Post
That is interesting indeed. But do you think a tower crane which is even able to move is capable of lifting all huge columns? Probably some assistance will be needed for the biggest ones..
dont underestimate those favco cranes at a close radius, or the Link Belt TG's (2WTC).

personally, im surprised tower cranes are erecting this at all, given the footprint.

I heard a story about sliding a tower crane along a steel track once at Time Warner Center using steel chokers, come-alongs, and dish soap for lube.
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Old March 25th, 2012, 08:30 PM   #860
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Quote:
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That is interesting indeed. But do you think a tower crane which is even able to move is capable of lifting all huge columns? Probably some assistance will be needed for the biggest ones..
Oops, should have cleared it out. The below grade structure will be erected by DCM using the FAVCO crane, while the Oculus building (the structure above grade) will be in charge of Skanska, using a different crane that will arrive by fall-winter and positoned outside the Hall's footprint at ground level. The ribs will not be self-supporting during construction, meaning that they will be temporaly guyed. Pretty interesting stuff will go on in the upcoming months
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