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

  1. #12811
    Forum Veteran Daquan13's Avatar
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    Or emergency backup generators?

  2. #12812

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    Quote Originally Posted by stache View Post
    I haven't posted anything in years, but this is worthy of logging in just to say, 'yes'.

  3. #12813
    Crabby airline hostess - stache's Avatar
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    I'm glad you like her! And my apologies for inserting a gif animation into a thread. I could not resist...

  4. #12814

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    Click image for larger version. 

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    Had to relocate office due to flooding. View is better in the temporary space. ESB and Metlife bonus too.

  5. #12815

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    I hope it wasn't anything too bad.

    Quote Originally Posted by uakoops View Post
    Aren't those things supposed to have battery backup? Well maybe not a week's worth...
    It wouldn't have mattered anyway, since all flights to and from the northeast were cancelled.

  6. #12816
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    Yes. That's what I was thinking as well.

  7. #12817

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    There was aircraft flying around - police helicopters, maybe coast guard.

  8. #12818
    Forum Veteran Tectonic's Avatar
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    Is it true that the height cap on any possible tower in the city is 2000ft?

  9. #12819

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    I'm not sure.

    The 2000 ft number comes from air-space control. There are several classes of air-space, A B C etc. Around airports the zones look like an upside down wedding cake. Generally across the country, the space above 2000 feet is tightly controlled. Aircraft have to have transponders, and flight plans have to be filed.

    My guess is that anything built over 2000 feet would need FAA approval.

  10. #12820

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    The 2000 foot limit is more of a change of assumptions. To greatly simplify it, if you build under 2,000 feet, the FAA has to prove it's a hazard. If you build over 2,000 feet the burden of proof shifts to the builder to prove it's safe, which is almost impossible given the vague standard of proof and the general rule that flying at more than 2,000 feet altitude means you won't hit anything. For some reason, antennas above the structure, like on the KVLY mast in North Dakota are exempt, although they'd take out a plane just as well as a building. (Antenna being the thing that spits out radio waves, and not the constantly misused definition of antennas meaning the antenna mast)
    Last edited by Nomadd; November 19th, 2012 at 08:59 AM.

  11. #12821
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    ^The TV masts are why the rule was enacted. They are grandfathered in as navigation hazards. It wasn't because of the mast themselves, but because of the guy wireds and spread a fair distance away from the tower and are the cause of numerous crashes, including a Blackhawk helo a couple years back.

  12. #12822
    Forum Veteran Daquan13's Avatar
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    Quote Originally Posted by ZippyTheChimp View Post
    I'm not sure.

    The 2000 ft number comes from air-space control. There are several classes of air-space, A B C etc. Around airports the zones look like an upside down wedding cake. Generally across the country, the space above 2000 feet is tightly controlled. Aircraft have to have transponders, and flight plans have to be filed.

    My guess is that anything built over 2000 feet would need FAA approval.


    That is true.

    Even though WTC 1 is just 224 feet short of the 2,000-foot mark.

  13. #12823

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    New crane tower well under way.

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    And FYI, the barge with the antenna is due in town Friday November 30. She's rounding the Magdalen Islands near Nova Scotia at the moment.
    Last edited by IrishInNYC; November 20th, 2012 at 03:11 PM.

  14. #12824

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    New York Post
    November 21, 2012

    Barge carrying One World Trade Center spire en route from Canada to New York

    By JENNIFER FERMINO
    Transit Reporter


    The barge en route to NYC.

    Even Santa’s sleigh couldn’t carry this gift.

    A barge carrying eight sections of what will be the massive spire on top of One World Trade Center is en route from Canada to New York this holiday weekend, as these pictures show.

    The eight sections — which left Quebec on Nov. 16 — range in weight from five to 67 tons and are expected to arrive in Port Newark sometime next week. Once there it will be transferred to Manhattan.

    Ten smaller sections will be sent down from Canada in December to complete the spire.

    When all the sections are complete, the spire will be placed on top of One World Trade Center and elevate the building to 1,776 feet, making it the tallest building in New York City.

    Those interested can follow the barge’s journey via the WTC Spire Tracking Web site.


    Pieces of the spire on the barge.

    Copyright 2012 NYP Holdings, Inc. All rights reserved.

  15. #12825
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    Back for more videos and will do updated angles soon.

    FROM: QUEENSNY121

    http://www.youtube.com/watch?v=V6n8DQbtZc8&feature=plcp

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