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Old August 15th, 2013, 02:37 PM   #8281
thejacko5
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From a good source.

In a month or so, the 760 will leave the site. It will be replaced by a potain in the core with a jacking system, climbing with the core.

The 220 will stay on until 900ft then go away.

Potain will finish the tower.
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Old August 15th, 2013, 03:00 PM   #8282
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thejacko5,

Thanks for that information. It makes sense to replace the Favco 760 with the Potain, which I assume is a hammerhead tower crane. The current 760 and 220 (luffing tower cranes) were required due to clearance requirements from surrounding buildings. Once 432 Park Avenue rises above the surrounding buildings, a hammerhead crane would have no interference from buildings.

Having the crane rise with the core would presumably save time over the current procedure being used for the existing tower cranes.
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Old August 15th, 2013, 04:03 PM   #8283
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I'm guessing a hammerhead crane is basically the same, but the rear cantilever area is longer?
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Old August 15th, 2013, 05:51 PM   #8284
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Quote:
Originally Posted by iamtheSTIG View Post
I'm guessing a hammerhead crane is basically the same, but the rear cantilever area is longer?
I guess it is one of those whose arm only rotates, but doesn't get lifted, like these

image hosted on flickr

cranes por Leon Dafonte, en Flickr

image hosted on flickr

Potain por Leifskandsen, en Flickr

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Originally Posted by thejacko5 View Post
From a good source.

In a month or so, the 760 will leave the site. It will be replaced by a potain in the core with a jacking system, climbing with the core.

The 220 will stay on until 900ft then go away.

Potain will finish the tower.
Which one is the 760?
What is the difference between the 760 and the 220?
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Old August 15th, 2013, 05:58 PM   #8285
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iamtheSTIG,

A hammerhead crane does not use a boom that can be raised or lowered, known as luffing, to change the radius of the load, but uses a trolley that runs along a fixed horizontal boom for load radius. Here is an example of a hammerhead tower crane:



They are used when there are no clearance issues with neighboring obstructions, where the horizontal boom can swing freely. The rear counterweight projects further to the rear to balance the longer horizontal boom and trolley. Because of the density of high neighboring buildings in NYC, a luffing tower crane is commonly used. Here is a luffing tower crane:

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Old August 15th, 2013, 05:58 PM   #8286
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I like this skyscraper, simple but nice
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Old August 15th, 2013, 06:11 PM   #8287
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Marcatio, why do you assume it would be a hammerhead crane? are there any advantages over the luffing cranes?

Here in Venezuela, I think I have never seen a luffing crane, all are hammerhead, The same in Argentina. But in the US it seems much more common the luffing cranes.
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Old August 15th, 2013, 06:23 PM   #8288
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Here in Europe the hammerhead crane is most common. But I see why they don't use these cranes in Manhattan.
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Old August 15th, 2013, 06:26 PM   #8289
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Quote:
Which one is the 760?
What is the difference between the 760 and the 220?
The M760D is the crane on 56 Street, the 57 Street crane is the M220D. I could be wrong about the Potain replacement crane being a hammerhead. Potain offers both the hammerhead, as well as luffing tower cranes. Most of the Potains I have seen were of the hammerhead style. We'll have to see what shows up when the time comes.
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Old August 15th, 2013, 10:17 PM   #8290
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I'm sure that '59th Street' camera will be mounted to the Madison Avenue side of the GM Building on 59th and Fifth, as it is the tallest in the immediate area and would afford the best views (even tho 432 will eventually top-out at nearly double GM's height). so inevitably, even THIS camera will become obsolete. Crane-mounted camera, anyone?

Thanks, marcatio and CCs77 for the crane descriptions and their purposes in densely populated areas. Of course this being Manhattan, even if they began using a different crane in a month or so, I assume the 700 foot Four Seasons Hotel directly across 57th Street, would limit the new crane's swing capabilities, at least in the short term, yes?
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Old August 15th, 2013, 10:29 PM   #8291
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Quote:
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I'm sure that '59th Street' camera will be mounted to the Madison Avenue side of the GM Building on 59th and Fifth, as it is the tallest in the immediate area and would afford the best views (even tho 432 will eventually top-out at nearly double GM's height). so inevitably, even THIS camera will become obsolete. Crane-mounted camera, anyone?
I agree, although the Fuller Building ( 150m ) is between 432 and General Motors.
Actually they should put a cam on top of 590 Madison Avenue.
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Old August 15th, 2013, 10:33 PM   #8292
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Some shots I took yesterday: (8/14/2013)







It does start to dominate its neighbors
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Old August 15th, 2013, 10:42 PM   #8293
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Yeah, I hear ya, tim ... In fact, I was hoping they'd just keep the camera at the Four Seasons, but raise it to a higher floor (instead of keeping it at that stupid angle we suffered thru for the last few weeks), and THEN finally move it further away to 59th St.

Oh well ... whatever's coming will hopefully afford a view above the core like we had waayyyy back when.
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Old August 15th, 2013, 10:46 PM   #8294
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Quote:
Originally Posted by Athinaios View Post
Some shots I took yesterday: (8/14/2013)







It does start to dominate its neighbors
Good pics
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Old August 16th, 2013, 03:59 AM   #8295
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Any particular reason they're placing windows in the most random order?
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Old August 16th, 2013, 01:09 PM   #8296
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Current hight?..how fast is it rising
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Old August 16th, 2013, 01:24 PM   #8297
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Reposted for those who left out this.

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A render from the 432 Park Avenue website .

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Old August 16th, 2013, 05:17 PM   #8298
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Very high building in N.Y city but also the most ugliest and boring form.
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Old August 16th, 2013, 05:19 PM   #8299
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I think it's an interesting thin form with simple elegance.
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Old August 16th, 2013, 05:25 PM   #8300
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I don't know how people can call it ugly. Its a simple box, nothing ugly, nothing exciting. Now if it was a tacky asian tower then sure call it ugly but a simple box..i dont get it
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