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Old February 15th, 2013, 01:12 AM   #41641
sergiomazzi
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Quote:
Originally Posted by imagineer100 View Post
Why is it going so fast? This is crazy!

Quote:
Originally Posted by ThatOneGuy View Post
Because it doesn't take much time to just bolt the pieces together. And they already have them ready, so why not go fast?

They gained confidence in the process, and they know very well what they are doing!
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Old February 15th, 2013, 01:26 AM   #41642
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Can't wait for section 13 to be installed that section will be the real money maker !
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Old February 15th, 2013, 01:33 AM   #41643
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Jizzing. The base cladding looks awesome. I'm even starting to get surprised at how tall it looks in some of these photos.
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Old February 15th, 2013, 01:38 AM   #41644
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Wow the webcam really doesn't do justice to the base cladding, it looks awesome!
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Old February 15th, 2013, 01:38 AM   #41645
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HOLY CRAP that base cladding looks good!
After seeing that ugly concrete for so long, this is such a refreshing sight.
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Old February 15th, 2013, 01:38 AM   #41646
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Quote:
Originally Posted by Davidsam52 View Post
I suspect a skycrane helicopter might be tasked to do this.....possibly the upper sections of the spire as well.
Helicopters are not capable of doing work like this. They cannot hold position accurately enough in the horizontal or vertical plans. High accuracy is needed, while connecting and disconnecting parts for the safety of the workers. Helicopters are only used for such things as large HVAC units being placed on a flat roof where positioning is not a significant problem.
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Old February 15th, 2013, 01:47 AM   #41647
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Crap,that base cladding hit the jackpot!
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Old February 15th, 2013, 01:55 AM   #41648
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The base cladding matches the overground section of the museum, and also reminds me of the twin towers for some reason.

It might actually become my favourite part of the tower, but I'll wait until it's all up to make that decision.
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Old February 15th, 2013, 02:13 AM   #41649
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This is one sexy building. Gonna be a bitch to clean though
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Old February 15th, 2013, 02:16 AM   #41650
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Window washing sure would be scary.
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Old February 15th, 2013, 02:20 AM   #41651
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So nice to see some culminating progress.
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Old February 15th, 2013, 02:24 AM   #41652
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I totally love the last pic. It surely is breath taking. Can't wait for the structure to complete and I want to be the first one at the top. I wonder what is the completed date for these?
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Old February 15th, 2013, 02:35 AM   #41653
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Quote:
Originally Posted by Msradell View Post
Helicopters are not capable of doing work like this. They cannot hold position accurately enough in the horizontal or vertical plans. High accuracy is needed, while connecting and disconnecting parts for the safety of the workers. Helicopters are only used for such things as large HVAC units being placed on a flat roof where positioning is not a significant problem.
The tip of the antenna of the CN Tower was lifted and put in place with helicopters, almost forty years ago

Quote:
The antenna was originally to be raised by crane as well, but during construction the Sikorsky S-64 Skycrane helicopter became available when the United States Army sold off theirs to civilian operators. The helicopter, named "Olga", was first used to remove the crane, and then flew the antenna up in 36 sections. The flights of the antenna pieces were a minor tourist attraction of their own, and the schedule was printed in the local newspapers. Use of the helicopter saved months of construction time, with this phase taking only three and a half weeks instead of the planned six months. The tower was topped off on April 2, 1975 after 26 months of construction
http://en.wikipedia.org/wiki/Cn_tower

I am not sure if the tip of the spire and antenna of the Burj Khalifa and Tokio Skytree were build using helicopters as well.
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Old February 15th, 2013, 02:38 AM   #41654
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Window washing sure would be scary.
Thats why machines do it!
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Old February 15th, 2013, 02:52 AM   #41655
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The weather has been real good the past couple of days in NYC, hence the rapid progress. Tomorrow looks good too, but it will go downhill quickly on Saturday. Maybe they can get one or two more antenna sections installed tomorrow before the snow hits!
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Old February 15th, 2013, 03:03 AM   #41656
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Quote:
Originally Posted by Msradell View Post
Helicopters are not capable of doing work like this. They cannot hold position accurately enough in the horizontal or vertical plans.


You've never seen the helicopters transfer linemen to high voltage power lines have you? There's even a few videos on youtube that are worth watching. Those pilots are very good at hovering in a stationary position. I remember watching a helicopter through a telescope years ago in SanFran removing a very large item from the top of the golden gate bridge and replacing it with a new item(I have no idea what it was) and that pilot held steady for what seemed like 10 minutes or so. I'm not saying this is how they are going to do the top on 1wtc but there is no doubt in my mind that a good pilot could hover in a stationary spot for a few minutes or so....as long as the weather would permit to do so.
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Old February 15th, 2013, 03:19 AM   #41657
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this? (look 06m05s)


or better !
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Last edited by sergiomazzi; February 15th, 2013 at 03:24 AM.
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Old February 15th, 2013, 03:28 AM   #41658
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Love it.

You Americans sure know how to get a project done and dusted.
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Old February 15th, 2013, 03:37 AM   #41659
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Does anyone know how tall 1WTC is now?
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Old February 15th, 2013, 03:46 AM   #41660
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Does anyone know how tall 1WTC is now?
1566 feet.
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