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Thread: WTC Tower One - by Skidmore, Owings & Merrill

  1. #7006

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    They are a total of 90 feet tall, but it looks like they well be put in in two parts, one 60' and one 30'.

  2. #7007
    Disgruntled Optimist lofter1's Avatar
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    That ^ makes more sense. One full length 90' piece going up would be quite the feat.

    Zen: Will the 60' pieces be slotted in to the beams below?

  3. #7008
    Forum Veteran Daquan13's Avatar
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    This tower looks like it'll be using more steel than the other three! But I could be wrong.

  4. #7009
    Senior Member westmc9th's Avatar
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    Quote Originally Posted by ZenSteelDude View Post
    They are a total of 90 feet tall, but it looks like they well be put in in two parts, one 60' and one 30'.
    These sound to be intense when do you say the firt one may be intalled, at least by January, right?

    Work done today

    * New steel on the North, east, and south side, wheter it be floor steel or what not
    * More path roof is gone!

  5. #7010

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    Quote Originally Posted by lofter1 View Post
    That ^ makes more sense. One full length 90' piece going up would be quite the feat.

    Zen: Will the 60' pieces be slotted in to the beams below?
    Looks like they well sit on six inch thick spreader plates very similar to the column splice at the 3rd floor branching. (They have ten inch thick spreader plates)

    We might see the first one go up by late January, IF Mother Nature cooperates.
    Last edited by ZenSteelDude; December 1st, 2009 at 04:42 PM.

  6. #7011

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    Quote Originally Posted by ZenSteelDude View Post
    Looks like they well sit on six inch thick spreader plates very similar to the column splice at the 3rd floor branching. (They have ten inch thick spreader plates)

    We might see the first one go up by late January, IF Mother Nature cooperates.
    How do you think the tower is looking so far? Do they appear to be on track to meet their deadlines? If things keep up I'm guessing we might be finishing the 6th floor by Christmas? Or am I looking at these plans wrong...? The numbering of the mechanical floors is a mess. Any chance you could post the plans with the labels or label them on a picture?

  7. #7012

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    Something like this ?




    I believe they are on schedule. But for me the big unanswered question is how high can they go without core cement encasing the erecting steel.

  8. #7013

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    OK, after doing some rough calculations with an assumed unbraced hight of 13' 4" and a guessed stress load of the 2 tower cranes I came up with a hight of between 130' and 150' for the erection steel.

    In other words, they might actually be able to go all the way to the 20th floor with steel before the core jumps.

  9. #7014
    Senior Member westmc9th's Avatar
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    HD CAM IS FROZEN again grrrr! so dont know if anything big happened today! Does anyone know????

  10. #7015

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    They look to be pouring the south core. There's a pump truck with the hose leading up towards the core and the forms are raised.

    Thanks for the diagram, Zen. It is the mezzanines that are throwing me off.

  11. #7016

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    Glad to help.

  12. #7017
    Senior Member DKNY617's Avatar
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  13. #7018
    Fearless Photog RoldanTTLB's Avatar
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    Quote Originally Posted by DKNY617 View Post
    photos not quoted
    Thank goodness man. I was afraid everyone on the board had swallowed their cameras or something. If I weren't in DC for the next 6 months, I swear I would have had photos ages ago. In any event, thank you!

  14. #7019
    Senior Member DKNY617's Avatar
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    Your Welcome

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    BostonCityWalk
    11/28/09
    Last edited by Derek2k3; December 3rd, 2009 at 10:26 PM.

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