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Old April 23rd, 2014, 01:00 AM   #3841
StavrosG
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WTC Transportation Hub Grand Stairs.


https://www.facebook.com/wtcprogress
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Old April 23rd, 2014, 02:09 AM   #3842
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My guess is that everyone involved is competent and that it is simply a complex fitting that isn't expected to work perfectly the first time. Nothing in the design is plumb or square and every piece is unique and massive. These things are complex. Even the time of day determines if pieces will fit. Sunlight heats the steel, which expands unevenly causing the entire structure to skew unpredictably, etc.
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Old April 23rd, 2014, 02:16 AM   #3843
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http://statigr.am/p/704537194708098503_27107070
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Old April 23rd, 2014, 03:18 AM   #3844
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Quote:
Originally Posted by dfiler View Post
My guess is that everyone involved is competent and that it is simply a complex fitting that isn't expected to work perfectly the first time. Nothing in the design is plumb or square and every piece is unique and massive. These things are complex. Even the time of day determines if pieces will fit. Sunlight heats the steel, which expands unevenly causing the entire structure to skew unpredictably, etc.
I highly agree!
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Old April 23rd, 2014, 03:20 AM   #3845
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Actually, this is not Calatrava's most complex design and I don't think it is any more difficult than Gehry's Louis Vuitton pavilion in Paris or the Burj Khalifa in Dubai. For me, blame lies with the project managers and PA bureaucracy, as thejacko5 said, and has nothing to do with the iron worker's skill. Calatrava and his team would have made sure the structure was buildable long before the blueprints left the office.

From my perspective, it sounds like you have a cynical view of this project. Given you have stated it's comparatively slow completion and comparatively non significant design. Comparing the Shanghai Tower to this is like comparing a hive to an ants nest.
This construction has numerous work not only above ground but below. I don't consider any architectural site lesser than the other, as all have unique and encapsulating qualities. Patience is the key and personally this construction has left me in awe from the moment it started.
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Old April 23rd, 2014, 03:43 AM   #3846
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Old April 23rd, 2014, 09:23 AM   #3847
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That's right, get those wings on there.
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Old April 23rd, 2014, 05:28 PM   #3848
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Shims have been adjusted and have arrived back on site. One has been fitted to the last transition segment. Sorry, I can't post pic right now. Having FTP issues.
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Old April 23rd, 2014, 06:24 PM   #3849
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I have been a fan of Calatrava since the Stadelhofen Railway Station opened in 1983. My comparing this job to Shanghai Tower was speaking to the speed of construction. Nowhere did I say I dislike the design. Perhaps you should read more carefully before putting words into other people's mouths.
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Old April 23rd, 2014, 06:38 PM   #3850
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I guess I must not know anything about manufacturing

Quote:
Originally Posted by wizsand View Post
If you know anything about architecture then, yes, they will fit perfectly. That's what CAD renderings and working drawings are for. This project is already way behind schedule and with the earthcams, we can see why. They only install one or two segments a day! Look how fast Shanghai tower is being built if you want a comparison.

I guess I must not know anything about manufacturing since they are adding specially designed shims to the keystone piece. The shims are part of the CAE.

CAD renderings and working drawings are not going to build a thing. They will make nice pictures for power point presentations for management.
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Old April 23rd, 2014, 07:20 PM   #3851
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Quote:
Originally Posted by wizsand View Post
If you know anything about architecture then, yes, they will fit perfectly. That's what CAD renderings and working drawings are for. This project is already way behind schedule and with the earthcams, we can see why. They only install one or two segments a day! Look how fast Shanghai tower is being built if you want a comparison.
CAD is a great tool but it doesn't build the pieces were account for buildup of tolerances which always occurs. CAD/CAM is a great process for the design and manufacturing of many items such as automobiles but when it comes to huge fabricated pieces like those involved in this project it's really no better than mechanical drafting. These pieces are basically made by hand, not CNC machines. The size of these pieces changed significantly as they get warmer and colder because of their size. This affects the manufacturing process as well as the installation process. It's very different when Shanghai tower because the pieces are stacked on top of one another instead of between one another so that the variations don't have the same affect.
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Old April 23rd, 2014, 07:22 PM   #3852
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Let's not get into a shouting match, guys. We all love this project and that's what matters. On a happier note, more rafters have arrived!

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Old April 24th, 2014, 07:15 PM   #3853
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More rafters have arrived!

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Old April 24th, 2014, 08:03 PM   #3854
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Get those suckers on structure!!
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Old April 24th, 2014, 08:56 PM   #3855
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"PHOTO OF THE DAY: FINAL SEGMENT OF CALATRAVA’S NYC TRANSIT HUB ARCH SET IN PLACE" on Archpaper

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Old April 24th, 2014, 09:50 PM   #3856
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Quote:
Originally Posted by Otie View Post
"PHOTO OF THE DAY: FINAL SEGMENT OF CALATRAVA’S NYC TRANSIT HUB ARCH SET IN PLACE" on Archpaper
I guess Archpaper will have to publish a retraction.
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Old April 24th, 2014, 09:52 PM   #3857
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Old April 24th, 2014, 10:47 PM   #3858
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What an awesome shot. Imagine with all the rafters in place
Hey, Amyx, what are we looking for here? Final transition segment still sitting on the ground as of 4pm eastern time.
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Old April 25th, 2014, 06:20 AM   #3859
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It has been almost 3 years and this hasn't been posted yet. Check it out

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Old April 25th, 2014, 06:29 AM   #3860
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from yesterday

015 by Nexis4Jersey09, on Flickr

017 by Nexis4Jersey09, on Flickr

019 by Nexis4Jersey09, on Flickr

022 by Nexis4Jersey09, on Flickr

029 by Nexis4Jersey09, on Flickr

030 by Nexis4Jersey09, on Flickr

031 by Nexis4Jersey09, on Flickr


035 by Nexis4Jersey09, on Flickr

037 by Nexis4Jersey09, on Flickr

038 by Nexis4Jersey09, on Flickr

039 by Nexis4Jersey09, on Flickr
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