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Old August 31st, 2011, 01:37 AM   #25821
konik93
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Otie, can you tell with what lens was this photo taken?

image hosted on flickr
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Old August 31st, 2011, 01:59 AM   #25822
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I LOVE the aerial views of these towers. I think they really show more of how big they are in comparison to anywhere else
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Old August 31st, 2011, 02:44 AM   #25823
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Quote:
Originally Posted by konik93 View Post
Otie, can you tell with what lens was this photo taken?
Check the photo's Exif data

The New York Times: Ground Zero Now - Interactive Feature
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Old August 31st, 2011, 03:12 AM   #25824
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That was an excellent video giving information on what is being built.

But the end sure is depressing - 2020 before the site is all complete. That is 18 years after the attack and just too long. We won WWII in 4 years and got to the moon in under 10. This is a great complex but I just wish they could have worked faster.
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Old August 31st, 2011, 03:17 AM   #25825
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image hosted on flickr

110829-F-SV144-7 by New York National Guard, on Flickr

url=http://www.flickr.com/photos/nyng/6094524754/]image hosted on flickr
[/url]
110829-F-SV144-8 by New York National Guard, on Flickr

These pictures are awesome but can someone please explain what we are looking at. My guess is that we are looking at the structural steel way up towards the top of the building and what we see down below in the middle is where the core is being constructed and it is five or 6 floors below where the structural steel is. Is that a correct guess.

I still don't know how they construct the core AFTER they put all the surrounding steel up. Also, I still don't know how they get concrete up so high. And finally if that is the core why don't I see rebar in those pictures?

Oops, sorry for one embarrassing mistake - now that I look closer I think I see rebar.
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Old August 31st, 2011, 11:56 AM   #25826
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Anyone know how tall the building currently is in feet or meters? I'm assuming that it's at 300 meters right now or more.
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Old August 31st, 2011, 12:07 PM   #25827
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302 meters or 991 feet

[IMG]http://i55.************/wmbbyu.jpg[/IMG]
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Old August 31st, 2011, 01:59 PM   #25828
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Quote:
Originally Posted by 600West218 View Post
image hosted on flickr

110829-F-SV144-7 by New York National Guard, on Flickr

url=http://www.flickr.com/photos/nyng/6094524754/]image hosted on flickr
[/url]
110829-F-SV144-8 by New York National Guard, on Flickr

These pictures are awesome but can someone please explain what we are looking at. My guess is that we are looking at the structural steel way up towards the top of the building and what we see down below in the middle is where the core is being constructed and it is five or 6 floors below where the structural steel is. Is that a correct guess.

I still don't know how they construct the core AFTER they put all the surrounding steel up. Also, I still don't know how they get concrete up so high. And finally if that is the core why don't I see rebar in those pictures?

Oops, sorry for one embarrassing mistake - now that I look closer I think I see rebar.
Your guess is correct..

About the core..After surrounding steel they make walls of steel rebars..After that, they adjust concrete forms around the steel and walls made of rebars..I call them walls because those rebars make thick steel net which looks like it could be a wall..Anyway, after concrete forms are in position they pour concrete in them..Concrete is being pumped with the pumps..You can see them on the pic..Those green and red things are concrete pumps..And that's it..After concrete is dry, they simply move on the next floors..

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Old August 31st, 2011, 02:55 PM   #25829
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Quote:
Originally Posted by yankee fan for life View Post
That view is from jersey city arguably the best view around
That view is actually from Hoboken (Pier A). Personally, I think the best view is from exchange place in Jersey City.
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Old August 31st, 2011, 05:32 PM   #25830
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I hope when i go back to NYC the whole complex is completed Love to see the progress!!!
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Old August 31st, 2011, 07:44 PM   #25831
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Thanks Dino!!

But a follow question. It looks like the re-bar is on the side. So what goes exactly where the concrete pumps are? ie, what goes in the middle? Is is basically a solid concrete mass with stairwells in it? It looks like those pumps or on a solid concrete floor.

Also, how do they raise things for the core work? I don't see cranes there to pull things up.
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Old August 31st, 2011, 08:13 PM   #25832
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Quote:
Originally Posted by 600West218 View Post
Thanks Dino!!

But a follow question. It looks like the re-bar is on the side. So what goes exactly where the concrete pumps are? ie, what goes in the middle? Is is basically a solid concrete mass with stairwells in it? It looks like those pumps or on a solid concrete floor.

Also, how do they raise things for the core work? I don't see cranes there to pull things up.
In the middle is empty space for elevators..The core is like a vertical tunnel..You have thick concrete walls around the empty space where lift cabins run up and down..Stairwell is also in it but separated form elevators with a wall..Those pumps are placed on temporary wooden floor..It's also for workers to easily access to rebars and stuff..

And how they lift those things is mystery to me..I've seen how things work with cranes, but never what they do with the core forms..But my guess would be that they have installed hydraulic arms somewhere in there..In fact, I'm glad you asked this, I'm gonna try to research..

Edit:

This is the system:


http://enr.construction.com/features...2/050912-5.asp

It's self climbing and fast so they don't lag too much behind the steel..
I'll research for more details..

I also found this:


http://enr.construction.com/features...2/050912-6.asp

Core in Core. Emergency access core within Freedom Tower’s main core will provide dedicated and protected elevators for firefighters, and more. (Image courtesy of Skidore Owings and Merrill LLP)
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Last edited by DinoVabec; August 31st, 2011 at 09:58 PM.
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Old August 31st, 2011, 10:28 PM   #25833
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how many floor to the top?
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Old August 31st, 2011, 10:48 PM   #25834
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Quote:
Originally Posted by Il trovatore View Post
how many floor to the top?
About twenty-five.
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Old August 31st, 2011, 10:54 PM   #25835
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25 floors will rise so fast, im pretty excited for this to top out.

Steel beams are coming in on the north and south walls of the roof.
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Old September 1st, 2011, 01:52 AM   #25836
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NY Observer

Quote:
World Trade Center Fun Facts: Downtown’s Tallest Structure and a Whole Lot of Cranes

By Matt Chaban 5:41pm




The Observer has heard some surprising ground zero factoids in the past couple days in some unsuspecting places.

The first came during the preparations for Hurricane Irene, when Mayor Bloomberg revealed that the World Trade Center was home to 13 of the 24 tower cranes in the city. That’s more than half, which makes sense, given the enormity of the task, but also underscores the importance of the site to the city’s construction industry.

Which was the point of yesterday’s New York City Building Congress forum where the second detail came up. Defiant Port Authority executive director Chris Ward mentioned that 1 World Trade Center is now the tallest building downtown. “At 1 World Trade Center, we are now at the 80th floor,” he said. “One World Trade Center is now the tallest building in Lower Manhattan at more than 960 feet above street level, surpassing 40 Wall Street. Floor slabs for 1 World Trade Center are at the 71st floor and the glass curtain wall is up to the 52nd floor.”

[...]
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Old September 1st, 2011, 02:24 AM   #25837
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image hosted on flickr

Photo by karmasuperman

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image hosted on flickr

Photos by Eileen O'Donnell

Last edited by Otie; September 1st, 2011 at 02:58 AM.
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Old September 1st, 2011, 04:27 PM   #25838
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August 29

image hosted on flickr

By [mementosis]

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By claudiasantiso

August 30

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By Bigbule

This tower is fu**ing awesome
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Old September 1st, 2011, 04:30 PM   #25839
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Thanks for the info Dino!! Very interesting.
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Old September 1st, 2011, 05:59 PM   #25840
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Quote:
Originally Posted by yankee fan for life View Post
That view is from jersey city arguably the best view around
Agreed - best views of the city are from the NJ side. Best I found is from Weehawken....on Boulevard East
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