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Supertalls Discussions of projects under construction between 300-599m/1,000-1,999ft tall.
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Old December 14th, 2012, 06:22 PM   #2221
Beber
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Indeed, I totally forgot about those. Mystery solved.
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Old December 14th, 2012, 08:42 PM   #2222
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A black mast section appeared between tower 3 and 4
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Old December 15th, 2012, 02:59 AM   #2223
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gotta be from t4
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Old December 16th, 2012, 06:25 AM   #2224
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Not many places that are hotter than the desert southwest in the US.
Yes, but there's better cities: Moab, Sedona, Tucson, Santa Fe, Palm Springs, even Las Vegas trumps Phoenix imo
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Old December 16th, 2012, 08:21 AM   #2225
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Let em' moan.

For me Richard Rogers' firm is the greatest ever and as such so will be this tower since it's such an important site and all of the firms for each tower know that they can only give their best. Even the Maki tower is going to shock people as it goes up.

Amazing!!!
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Old December 16th, 2012, 02:05 PM   #2226
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That's the old design. The new one doesn't have the bracings in the center section and is about 30 meters shorter.
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Old December 18th, 2012, 09:00 PM   #2227
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men on the boom of the Link Belt, maybe preparing to demob it.
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Old December 18th, 2012, 09:27 PM   #2228
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We're getting closer to a breakthrough on leasing:

Quote:
...

Downtown, the Port Authority and the Durst Organization are still looking for more tenants at 1 World Trade Center.

At Silverstein’s 3 WTC site, ad giant GroupM and law firm White & Case have submitted proposals for up to 1.1 million square feet of the 2.8 million-square-foot skyscraper, which can’t rise without pre-commitments.

And Silverstein is still looking for his first private-sector tenant at 4 WTC, racing to completion next door.

3) Downtown after Sandy.

The WTC site and Brookfield’s World Financial Center escaped major damage in the storm. It’s another story along Water and Front streets — unloved corridors that are nonetheless home to major companies occupying tens of millions of square feet.

Although many buildings have technically “reopened,” it doesn’t mean much without phone service — still the norm at many addresses.

Brokers insist interest remains high in the area despite the temporary forced relocations at such addresses as 55 Water St.

Yesterday, the grapevine buzzed that law firm Hughes, Hubbard & Reed would renew on 200,000 square feet at 1 Battery Park Plaza. That would be good news for landlord Rudin Management — but disappointing to Silverstein, as the law firm was said to have taken a look at 4 World Trade Center.


http://www.nypost.com/p/news/busines...5D76ybGCc0tRvO
At some point, frustrated tennants in those Sandy-affected buildings are going to break away and shift into WTC or Brookfield Place. I'm sure landlords are doing everything to retain them, but no phones? After 2 months? WTF?
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Old December 18th, 2012, 10:49 PM   #2229
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2 months? That is incredible.
However, with its basements filled with floodwater, the WTC site has also proven to be vulnerable, although it has a better location further from the waterfront.
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Old December 18th, 2012, 11:46 PM   #2230
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Submitted proposals? That sounds serious. The continuation of construction on this building might not anymore be a matter of a distant future
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Old December 18th, 2012, 11:53 PM   #2231
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I hope it's true. 3WTC has more of a gap in the skyline to fill than 2WTC.
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Old December 19th, 2012, 12:36 AM   #2232
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Quote:
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Submitted proposals? That sounds serious. The continuation of construction on this building might not anymore be a matter of a distant future
They could be poor proposals and may not meet the needs of the developer. Perhaps they will walk away without agreement.
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Old December 19th, 2012, 12:46 AM   #2233
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A couple photos I took yesterday evening:



I dont understand why the new World Trade Center buildings are seemingly made with the same flaws as the old towers? WHy are they using steel frame with steel floors that are (from what i have seen) exactly like the ones that made the old towers fall? (Steel floors not protected from fire underneath)

Burj Khalifa, Shanghai tower, petronas towers etc etc... they are all cast in concrete, which to me seem like a safer design, since concrete is the best fire proofer.

If the new World Trade Center take pride in beeing ultra safe, why dont they build it in concrete instead of fire sensitive steel?
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Old December 19th, 2012, 12:57 AM   #2234
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There are several reasons why the perimeter steel columns aren't encased in concrete, one of these being more flexible upon dynamic forces; there's no need to cast them if you can accomplish the same protection by applying a thick layer of fireproofing (which basically consists of cement).

All new buildings, compared to the old, have two paths instead of one for supporting the gravitational loads: a reinforced core and a perimeter structure.
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Old December 19th, 2012, 01:03 AM   #2235
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Quote:
Originally Posted by Huskies View Post
I dont understand why the new World Trade Center buildings are seemingly made with the same flaws as the old towers? WHy are they using steel frame with steel floors that are (from what i have seen) exactly like the ones that made the old towers fall? (Steel floors not protected from fire underneath)

Burj Khalifa, Shanghai tower, petronas towers etc etc... they are all cast in concrete, which to me seem like a safer design, since concrete is the best fire proofer.

If the new World Trade Center take pride in beeing ultra safe, why dont they build it in concrete instead of fire sensitive steel?
How does it feel to have no clue regarding the construction of the original WTC? If you consider sad little lightweight floor trusses to be the equivalent to full on steel beams, then yeah, they are building these exactly like the originals!
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Old December 19th, 2012, 01:45 AM   #2236
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How does it feel to have no clue regarding the construction of the original WTC? If you consider sad little lightweight floor trusses to be the equivalent to full on steel beams, then yeah, they are building these exactly like the originals!
I did actually notice the beams being way thicker But still, it seems to me that when collision blowing away the fireproofing, and then fire weakening the naked steel was the very reason they collapsed, it would seem logical to go with a full concrete structure, especially when there are plenty of such supertalls in the world so height can't be the issue.

Im not saying that i am right, its more like Im curious since at first glance concrete structure seems way safer against fire, and fire saftey etc is said to be a huge priority here.
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Old December 19th, 2012, 02:28 AM   #2237
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Fireproofing at the original trade center consisted basically of mineral wool and cement blinder (some floors included asbestos too), Patti & Sons is applying a totally different coating that is better held to the steel.

Last edited by Otie; December 19th, 2012 at 02:34 AM.
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Old December 19th, 2012, 02:43 AM   #2238
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The Twins didn't have reinforced concrete cores. Just sheetrock (drywall) protecting the core columns. Not much protection from a plane impact, or the fires seen that day.

Additionally, the concrete used in the floors was of a lightweight variety, approximately 30% lighter than concrete typically used for floors in a highrise, and consisted of four inch thick slabs, whereas the norm is a six inch thick slab.

Last edited by Chapelo; December 23rd, 2012 at 09:32 PM.
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Old December 19th, 2012, 02:53 AM   #2239
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The configuration of the structure is way more robust than what LERA envisioned for the twins.

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Old December 19th, 2012, 02:56 AM   #2240
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Not to mention safer in the event that something catastrophic happens?

Asbestos is a nasty killer, yet Quebecers still want to mine the hell out of it XD
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