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Old August 31st, 2010, 01:41 AM   #15761
abc
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Quote:
Originally Posted by 600West218 View Post
Questions: What is the purpose of the new crane? is it simply to bring supplies up to the already constructed floors? If so, will this move all the way up the tower with its construction? Also, if this method is better than using the existing cranes on top or elevators why don't we commonly see it on other buildings?
It's going to climb up the side on that frame it's sitting on.. I've seen this with cranes in China.. That's about 500 tonne of crane and frame.
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Old August 31st, 2010, 02:54 AM   #15762
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Quote:
Originally Posted by abc View Post
It's going to climb up the side on that frame it's sitting on.. I've seen this with cranes in China.. That's about 500 tonne of crane and frame.
500!? The crane its self is at most 100 tons with a load
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Old August 31st, 2010, 05:16 AM   #15763
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Quote:
Originally Posted by TowersNYC View Post
OLD WTC =


Each Tower: •Had 110 floors
208 ft by 208 ft at base
•Weighed 500,000 tons
•1,368 ft high (north tower)
•1,362 ft high (south tower)

Built: 1966-1970





NEW One WTC =

Stories: 82
Maximum Height: 1,776 feet / 541 meters
Maximum width: 200
Maximum length: 200



Built: 2006-2018
Cost: $2,000,000,000
Designed by: Skidmore, Owings & Merrill
Is the footprint of this building slightly smaller than the former twin towers?
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Old August 31st, 2010, 05:33 AM   #15764
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Quote:
Originally Posted by Taller & Taller View Post
Is the footprint of this building slightly smaller than the former twin towers?

Yes, but the difference is hardly noticeable. Actually, I think the new WTC's footprint is closer to 203' by 203'.
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Old August 31st, 2010, 07:08 AM   #15765
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are the footprints of the original twin towers aligned in the same orientation? in some of the pics of the memorial pools it looks as if the north tower is slightly rotated in the southerly direction. could be my eyes playing a trick.
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Old August 31st, 2010, 08:01 AM   #15766
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good progess
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Old August 31st, 2010, 03:54 PM   #15767
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There are trees in the memorial area!
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Old August 31st, 2010, 04:53 PM   #15768
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The working is going faster than I thought at this moment. Meanwhile, am curious to know what kind of cranes is that red one with many sections?
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Old August 31st, 2010, 05:09 PM   #15769
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August 24, 2010

[IMG]http://i33.************/11j0is4.jpg[/IMG] [IMG]http://i36.************/2cdgzkm.jpg[/IMG]

[IMG]http://i35.************/awqc6f.jpg[/IMG] [IMG]http://i34.************/2akmlp5.jpg[/IMG]

[IMG]http://i33.************/2hnmi9t.jpg[/IMG] [IMG]http://i37.************/2lad6j8.jpg[/IMG]

[IMG]http://i36.************/1r9sa8.jpg[/IMG] [IMG]http://i34.************/3310i3a.jpg[/IMG]

[IMG]http://i38.************/2ropyt1.jpg[/IMG] [IMG]http://i34.************/2gshjia.jpg[/IMG]
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Je m'appelle Paris
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Old September 1st, 2010, 12:22 AM   #15770
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Quote:
Originally Posted by abc View Post
It's going to climb up the side on that frame it's sitting on.. I've seen this with cranes in China.. That's about 500 tonne of crane and frame.
The Manitowoc 18000 with Max-ER kit doesn't even weigh 500 tonnes !

At most the crane and climbing frame with a full load on the crane is about 75tons. (Short tons not Metric tonnes.)

Quote:
Originally Posted by Taller & Taller View Post
Is the footprint of this building slightly smaller than the former twin towers?
Everyone keeps quoting the column centers for both the old and the new. The overall outside dimension of the Twins was a little less than 210', Tower one is going to be 205'. So yes, Tower One is slightly smaller in overall footprint.

Quote:
Originally Posted by spiller9 View Post
are the footprints of the original twin towers aligned in the same orientation? in some of the pics of the memorial pools it looks as if the north tower is slightly rotated in the southerly direction. could be my eyes playing a trick.
The pools of the memorial actually sit inside the foundations of the Twins, there orientation is exact.

Last edited by Zensteeldude; September 1st, 2010 at 12:33 AM.
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Old September 1st, 2010, 12:27 AM   #15771
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A new quarterly report (2Q2010) was just released on wtcprogress.com.

Most interesting I've found so far is that the steel contractor has managed a workaround so that steel erection can now move 10 floors ahead of the concrete instead of the 8 floors ahead we've had so far.

The third quarter milestones for 1WTC are:

Start Curtain Wall Installation:
This represents the start of activities to support the placement of curtain wall
above the 20th story level of 1WTC. Beginning activity will include the
installation of hangers on the 1WTC structural steel and be follow by the
placement of the curtain wall panels themselves. The curtain wall will enclose the
building and trail the Cocoon system as it rises with the erection of the Structural
steel.

Steel Erection to the 36th floor:
This Represents the structural steel framing which makes up the building’s
“Skeleton.”

Concrete core to the 28th floor:
This Represents the Interior Concrete Core, which provides the structural
stability, or the building’s “spine,” of the building as it rises.

Metal Decking to 33rd Floor:
This represents the metal decking on the 33rd floor slab, which is approximately
670 feet above street level
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Old September 1st, 2010, 12:31 AM   #15772
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I thought the erection steel columns looked thicker !
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Old September 1st, 2010, 01:07 AM   #15773
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Epic photos Parisian Girl - a reminder of the tower in the context of it's surroundings once finished -

http://www.londonandnyc.com/2010/08/...cityscape.html
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Old September 1st, 2010, 01:22 AM   #15774
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Yes, thank you Parisian Girl for those great pics and what looks to be a good news source beyond the control of US corporations. (Sorry about the politics!)
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Old September 1st, 2010, 04:25 AM   #15775
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Quote:
Originally Posted by Zensteeldude View Post
Yes, thank you Parisian Girl for those great pics and what looks to be a good news source beyond the control of US corporations. (Sorry about the politics!)
In the bottom picture on the right, what's that blue truck doing - pumping concrete into something for the memorial?
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Old September 1st, 2010, 04:43 AM   #15776
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Yes, that is a cement pump. Off the top of my head I would guess it's pumping cement for one of the super column foundations.
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Old September 1st, 2010, 05:19 AM   #15777
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great up date picture...
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Old September 1st, 2010, 07:23 AM   #15778
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Quote:
Originally Posted by Parisian Girl View Post
[IMG]http://i33.************/11j0is4.jpg[/IMG] [IMG]http://i36.************/2cdgzkm.jpg[/IMG]

[IMG]http://i35.************/awqc6f.jpg[/IMG] [IMG]http://i34.************/2akmlp5.jpg[/IMG]

[IMG]http://i33.************/2hnmi9t.jpg[/IMG] [IMG]http://i37.************/2lad6j8.jpg[/IMG]

[IMG]http://i36.************/1r9sa8.jpg[/IMG] [IMG]http://i34.************/3310i3a.jpg[/IMG]

[IMG]http://i38.************/2ropyt1.jpg[/IMG] [IMG]http://i34.************/2gshjia.jpg[/IMG]

Source: Arabian Business
Nice progress and awesome picture. Thanks for sharing..
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Old September 1st, 2010, 10:41 AM   #15779
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Quote:
Originally Posted by Turbosnail View Post
Epic photos Parisian Girl - a reminder of the tower in the context of it's surroundings once finished -

http://www.londonandnyc.com/2010/08/...cityscape.html
Im not actually sure if I like it...
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Old September 1st, 2010, 12:09 PM   #15780
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Quote:
Originally Posted by Sramaya View Post
Im not actually sure if I like it...
Couldn't disagree more. Despite the delays and the controversy, the WTC Memorial is going to be a staggering achievement when it is finished. It will become one of the worlds true must visit places.

Last edited by Northerly; September 1st, 2010 at 12:09 PM. Reason: typo
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