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Old March 16th, 2011, 02:47 AM   #20521
kingsc
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Here's some picture I took today
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Old March 16th, 2011, 02:48 AM   #20522
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aechempati (March 12th, 2011) Taken from the ESB.

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aweinrich (March 12, 2011)

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Pascal Vossen (March 9th, 2011)

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Jerome Paz (March 13th, 2011)

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Old March 16th, 2011, 03:51 AM   #20523
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From the PA 4th Quarter Progress Report.

http://www.panynj.gov/wtcprogress/pdf/4Q2010_Report.pdf

Targets for 2nd Quarter of 2011.

One World Trade Center
 Complete Installation of Podium Glass
The podium of One World Trade Center is located between street level and the 20th floor of the building. In this area, there is prismatic glass that forms the curtain wall, a different type of glass than the one currently being installed from the 20th floor and up. Completion of this work in the 2nd Quarter of 2011 has been resequenced to start installation in the 1st Quarter of 2012 in order to improve logistics for other trades operating in the building and to avoid any damage to the glass once it has been installed. Installation of the curtain wall above the 20th floor will continue and is currently rising at a floor per week. This re-sequencing should not impact the overall completion of the building’s core and shell by the end of 2013.
 Steel Erection to the 75th Floor
This represents the structural steel framing which makes up the building's "Skeleton." The 75th floor rises approximately 920’ above street level.
 Concrete Core to the 65th Floor
This represents the interior concrete core which is critical to the structural stability of the building.
 Concrete Floor Slab to the 70th Floor
This represents the placement of the concrete slab on the 70th floor that is approximately 850’ feet above street level. After the placement of the concrete, other critical trades like spray fireproofing and curtain wall can begin.
 Curtain Wall to the 42nd Floor
This represents the glass curtain wall installation from the 20th floor to the 42nd floor level. The curtain wall will provide weather tight protection to allow interior finish work to begin on the typical office floors.
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Old March 16th, 2011, 04:33 AM   #20524
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Two more from yesterday, will have more tomorrow night when the roommate gets back

3/14, from my roommate.


Does anyone know what that is on the truck in the picture above? Apparently they were moving tons of them into the site.
That is a plate and frame heat exchanger. The red rods are threaded rods that are used to tighten the frame (blue) onto the plates (silver). The end that you cannot see has two inlet and two outlet ports. These will probably be used as part of the HVAC systems.
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Old March 16th, 2011, 04:37 AM   #20525
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Quote:
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That is a plate and frame heat exchanger. The red rods are threaded rods that are used to tighten the frame (blue) onto the plates (silver). The end that you cannot see has two inlet and two outlet ports. These will probably be used as part of the HVAC systems.
Yes i knew it. Cause i noticed the Heating Pex tubing on that freight truck.
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Old March 16th, 2011, 05:10 AM   #20526
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On the topic of the spire, does anyone know if it will be constructed somewhere else and brought to/helicoptered to the building, or will it be that when this building tops out, theyll start construction on the spire?
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Old March 16th, 2011, 05:15 AM   #20527
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On the topic of the spire, does anyone know if it will be constructed somewhere else and brought to/helicoptered to the building, or will it be that when this building tops out, theyll start construction on the spire?
The pieces of the sprie will be made in a factory like place but then the pieces will be brought to Tower 1 and will be assembled there. The whole spire would be to heavy to hoist with a helicopter, even the Military copters would not be strong enough the hoist the 400 plus foot long or heigh spire.
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Old March 16th, 2011, 06:31 AM   #20528
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The spire will be hoisted and placed in 20 foot high, 20 ton sections. Easy enough for one tower crane to handle.
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Old March 16th, 2011, 10:18 AM   #20529
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the tower can now be clearly visible on the skyline!
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Old March 16th, 2011, 01:29 PM   #20530
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March 13th..

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March 12th..

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One World Trade Center by NYMAN2010
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Old March 16th, 2011, 01:33 PM   #20531
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March 15th, rbenko, WNY..Watch it full size..



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Old March 16th, 2011, 01:47 PM   #20532
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March 15th, lofter1, WNY..

















































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Old March 16th, 2011, 03:22 PM   #20533
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Dino
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Old March 16th, 2011, 05:40 PM   #20534
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While under construction, this building is becoming one of the most photographed in history. Who is willing to create a public archive that may be displayed within the building itself?
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Old March 16th, 2011, 06:29 PM   #20535
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Pardon my ignorance on the subject of the glass being installed on Tower 1 WTC but, How are they installing the glass to the steel? Like are they bolting, or soldering it? Or are they using super glue and glue the windows to the steel ? Thank you.
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Old March 16th, 2011, 07:26 PM   #20536
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Quote:
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Pardon my ignorance on the subject of the glass being installed on Tower 1 WTC but, How are they installing the glass to the steel? Like are they bolting, or soldering it? Or are they using super glue and glue the windows to the steel ? Thank you.
http://www.youtube.com/watch?v=2y2x_2OaNrI

Last edited by Rise To The Top; March 16th, 2011 at 07:34 PM.
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Old March 16th, 2011, 08:28 PM   #20537
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WOW! Great pictures!
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Old March 16th, 2011, 10:59 PM   #20538
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Last week due to dangerously high winds the cranes were hooked to the topmost structural steel. Usually they put the steel weights on.

- A
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Old March 17th, 2011, 01:00 AM   #20539
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March 13th..

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Lower Manhattan From the Manhattan Bridge by newhannibal112, on Flickr
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Old March 17th, 2011, 03:37 AM   #20540
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Quote:
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Pardon my ignorance on the subject of the glass being installed on Tower 1 WTC but, How are they installing the glass to the steel? Like are they bolting, or soldering it? Or are they using super glue and glue the windows to the steel ? Thank you.
The panels are bolted to anchor points embeded in the edge of the floor slabs. (I think you mean welded, not soldered)
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