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Old June 22nd, 2014, 05:13 PM   #641
nyc15
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some new about hudson spire ??
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Old June 22nd, 2014, 07:02 PM   #642
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Before NY sees a Burj khalifa I hope they build a 2000' building first
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with 2.8msf nearly 3.0 msf , i hope that it will surpass shanghai tower
2,000 ft. is the max ceiling.

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Old June 22nd, 2014, 07:11 PM   #643
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The FAA has made exceptions for proposed buildings before.
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Old June 22nd, 2014, 08:04 PM   #644
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I expect 1,350 to 1,500, not that it would be NY's tallest....
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Old June 22nd, 2014, 09:08 PM   #645
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Quote:
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2,000 ft. is the max ceiling.

Not that I don't believe you (I do) but do you have a source for this. For a pretty important regulation it's surprisingly poorly documented. I can't find conclusive facts on any of it.
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Old June 22nd, 2014, 10:15 PM   #646
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Just since I have wondered about the precise nature of these restrictions, I've looked it up. You'll find it in the Electronic Code of Federal Regulations, Title 14, Section 77.7:

Quote:
(d) If you propose construction or alteration to an existing structure that exceeds 2,000 ft. in height above ground level (AGL), the FAA presumes it to be a hazard to air navigation that results in an inefficient use of airspace. You must include details explaining both why the proposal would not constitute a hazard to air navigation and why it would not cause an inefficient use of airspace.
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Old June 23rd, 2014, 02:57 AM   #647
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I really don't imagine that this thing would go anywhere that close to 2000. At least not with the help of some huge structural element...

I agree with Robert (Sorry... Jean) That it will probably be in the 4-450m range, or at least the main mass of the building, it makes the most sense. No use in getting your hopes up for a 2000 footer.
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Old June 23rd, 2014, 03:06 AM   #648
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1800ft to a structural element up top (probably a spire) is likely the max height this beast will go.
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Old June 23rd, 2014, 03:42 AM   #649
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Quote:
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Just since I have wondered about the precise nature of these restrictions, I've looked it up. You'll find it in the Electronic Code of Federal Regulations, Title 14, Section 77.7:
They've never made an exception for a building, but have for TV transmission towers...in North Dakota. Numerous towers or visions exceeding 2,000 ft. have been proposed but none have made it to the stage where an FAA ruling was needed. That day may come but it's very hard to imagine a developer in New York being able to show that their megatall provides a 'necessary or significant community benefit'.
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Old June 23rd, 2014, 03:45 AM   #650
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I highly doubt that this tower will exceed 1,500'.
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Old June 23rd, 2014, 04:35 AM   #651
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1,500' and me and Tishman will be solid.
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Old June 23rd, 2014, 01:50 PM   #652
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Quote:
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Just since I have wondered about the precise nature of these restrictions, I've looked it up. You'll find it in the Electronic Code of Federal Regulations, Title 14, Section 77.7:
So it is not a ban, it only takes some extra investigation and paper work.
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Old June 23rd, 2014, 02:21 PM   #653
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That's seems about right. Basically the developer needs to prove without a doubt the (air) safety of the building to the faa.
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Old June 23rd, 2014, 10:47 PM   #654
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To be honest, I'm not expecting a 1,800 footer here. Not even with a spire / crown. For the foreseeable future, office buildings in New York aren't going be taller than 1,400ft to the roof. Residential buildings (57th) seem to top that "magical" mark too. For a tower to exceed 500m to the roof, it has to be mixed-use, and its developer needs to have a big ego and loads of $$$.
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Old June 23rd, 2014, 11:03 PM   #655
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^ nobody is going to pay 450 million for a parcel of land and not make something amazing out of it,considering that the Hudson office buildings peak at 1,200ft we know its going to top that and i'm sure it will be taller than 1 vanderbilt ,so i'm gonna say 1,800ft is the magic number and with a spire 2,000 ft will be acceptable haha
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Old June 23rd, 2014, 11:06 PM   #656
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Quote:
For a tower to exceed 500m to the roof, it has to be mixed-use, and its developer needs to have a big ego and loads of $$$.
But this is going to be mixed, is it not? I don't expect 1800 ft., but depending on what proportion of the tower is devoted to office space vs. hotel and residential, you could feasibly stretch 2.8MM sq. ft. a very long way.

Just 0.8-1MM square feet would net you a significant resi supertall (doesn't 432 Park have only 600,000?), so even if you dedicated 2MM to office, you could built a lot of residential on top.

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Old June 23rd, 2014, 11:10 PM   #657
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^ if so i expect office then hotel then residential units ,in which there should be a lot of setbacks in the design which may make that 2.8m square foot number more of a reality
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Old June 24th, 2014, 01:08 AM   #658
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Residential is much easier to finance right now so developers try to squeeze as much residential space as they can since it's also more valuable ( $3,000 per sq. ft vs. $1,000 for office). And with all the office going up in the area finding tenants will be a challenge. I'm thinking this will either be two 600,000+ sq. ft. residential spires shooting out of a squat office base, or one very tall resy coming up from 1.5 million+ sq. ft. of bulk office. A hotel also seems probable since it's the one form of residential where rents are adjusted daily.
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Old June 24th, 2014, 09:51 PM   #659
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I think 1 800 is very feasible for mixed use. For office I'd say the max is 1 500. But even with 1 500 I'd be very happy. It would still be taller than anything else in the city except for maybe 217 West
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Old June 24th, 2014, 11:48 PM   #660
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A tower with floors above 500m is what NYC needs
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