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Old 02-22-2018, 11:06 AM
 
Location: New York NY
5,522 posts, read 8,776,763 times
Reputation: 12738

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So I just read in the paper that JPMorgan Chase is building a new headquarters on Park Ave and tearing down its old one at 270 Park, which is 52 stories and 700 feet tall. Wiki lists this as the tallest building every voluntarily demolished--taller than any of the Trade Center buildings that had to come down after the 9/11 attack.

https://www.amny.com/real-estate/cha...ers-1.16900667

So how exactly do you tear down a building that big in one of the most crowded areas of the world? And will the nearby streets in Midtown be closed or years while they do it? I have no idea how this stuff works. Does anybody else?
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Old 02-22-2018, 11:18 AM
 
425 posts, read 391,978 times
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Steel Framed building with thin exterior facade.

- Tear down facade
- Demolish flooring one by one.
- Destruct steel frame at connections or just cut at each floor.
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Old 02-22-2018, 11:26 AM
 
529 posts, read 713,104 times
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How much of the old building materials gets recycled? Or does it all get dumped in the landfill?
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Old 02-22-2018, 11:29 AM
 
Location: Harlem, NY
7,906 posts, read 7,895,290 times
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Quote:
Originally Posted by energystream View Post
steel framed building with thin exterior facade.

- tear down facade
- demolish flooring one by one.
- destruct steel frame at connections or just cut at each floor.
+1
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Old 02-22-2018, 11:30 AM
 
15,864 posts, read 14,491,391 times
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Every spec of structural steel will get recycled. It's good feed stock for new steel production.

Quote:
Originally Posted by koctail View Post
How much of the old building materials gets recycled? Or does it all get dumped in the landfill?
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Old 02-22-2018, 11:41 AM
 
Location: Brooklyn, New York
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They just disassemble it, just like any other highrise/skyscraper that is demolished in Manhattan.
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Old 02-22-2018, 11:41 AM
 
Location: Parkchester.
954 posts, read 939,940 times
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Such a waste, seems like a perfectly fine building.
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Old 02-22-2018, 11:45 AM
 
Location: Brooklyn, New York
5,464 posts, read 5,714,595 times
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Quote:
Originally Posted by Principle Lewis View Post
Such a waste, seems like a perfectly fine building.
A bunch of other buildings will be demolished, since the city finally allowed to build taller in Midtown around Grand Central. This was done to bring modern Class A office space to the area.
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Old 02-22-2018, 12:01 PM
 
Location: Middle of the Megalopolis
478 posts, read 774,453 times
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They make it sound like it's the first project approved with this new zoning deal. But what about the building going up right now right next door to GCT, on 42nd and Vanderbilt Ave? I think that's going to be a supertall, 1000+ feet. Forget who it's being built for -- not that I care so much whether it's Big Bank No. 3 or Big Bank No. 8.
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Old 02-22-2018, 12:06 PM
 
Location: New York NY
5,522 posts, read 8,776,763 times
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Quote:
Originally Posted by Energystream View Post
Steel Framed building with thin exterior facade.

- Tear down facade
- Demolish flooring one by one.
- Destruct steel frame at connections or just cut at each floor.
Theoretically I understand that. But logistically and practically doing all that in the confines of Midtown seems like it would be incredibly difficult to accomplish on the narrow side streets. After all, the buildings that came down near the Trade Center were at least on the periphery of Manhattan, not dead center in the middle of it. Or will we essentially see the same amount of disruption, trucks, street closures etc. that we see when a high-rise is constructed?
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