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Old January 10th, 2013, 03:39 PM   #5161
DinoVabec
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New truck delivered more parts, one of them is for the crane's base..Looks like it's the new one for 57th street.
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Old January 10th, 2013, 04:10 PM   #5162
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definately a new crane 6 more mast sections have arrived.
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Old January 10th, 2013, 05:16 PM   #5163
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A lot has taken place at 432 Park Avenue. The core continues to rise, using the Doka climbing form system. The building on 57St to the east of the site has had its roof decked over for protection. What appears to be scaffolding has been erected around the core (not sure what it might be for, time will tell), and today new crane tower sections have arrived and are being unloaded. It appears that crane work will take place, this weekend. A check of the NYC.gov site, under the agency Transporatation reveals the weekend traffic advisoriy as follows:

West 56th Street between Madison Avenue and Park Avenue: This street will be closed Saturday and/or Sunday from 6am to 8pm to facilitate crane operation.

Speculation is that a new crane will be placed on the 57 St side, although there is no weekend traffic advisory for the 57St side, although what appears as a crane base?? can be seen resting on the 56St side storage area.
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Old January 10th, 2013, 05:20 PM   #5164
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No weekend traffic advisory for 57th side huh
Maybe the parts aren't for a new crane, but to lift the 56th street crane up?
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Old January 10th, 2013, 05:27 PM   #5165
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the current crane will assemble the parts on 56th street and lift them over. The current crane cant reach over to 57st
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Old January 10th, 2013, 05:57 PM   #5166
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It is spec'ed as white concrete...should be very smooth...no cladding...no paint. We shall see very soon as they are now forming southern perimeter columns above grade...once those are poured and forms removed we should see the final exterior finish...hopefully in the next few weeks. Scaffolding around core is for second stage floor slab above grade...things are heating up again now that core forming is on the move
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Old January 10th, 2013, 06:41 PM   #5167
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It appears that a concrete placing boom has arrived on site. It would be placed atop the core for placing concrete. This would mean that concrete wfor the tower will be placed by pumping.
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Old January 10th, 2013, 06:52 PM   #5168
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Yup, looks like that, and the new crane parts are stalled in the pit.
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Old January 10th, 2013, 07:17 PM   #5169
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Those mast sections are for that crane. That crane would not erect the other crane. Its not possible from its current location. Radius and weight reasons.

I also do not expect that two tower cranes will rise on this building. One will stay low.

There is simply no need for two.
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Old January 10th, 2013, 07:52 PM   #5170
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Another big base section just arrived
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Old January 10th, 2013, 08:00 PM   #5171
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Several white mast sections are in the pit while one bigger dark mast section is on a truck on 56th. I'd like to ask a question, does the color of the individual parts mean something or does just every crane company paint them the color they want?
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Old January 10th, 2013, 08:06 PM   #5172
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lomma usually has white mast sections, but they carry both. most are interchangeable between cranes of the same model.

the black ones certainly look bigger.
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Old January 10th, 2013, 08:10 PM   #5173
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This is interesting. And a mystery. Earlier, white tower sections have been delivered. Currently black tower sections have arrived and are being unloaded. Examination of the tower sections show that the black ones have a larger square dimension than those of the white sections. The white sections are undoubtedly for the current Favco crane that is in operation. The mystery is, why have a second crane erected this 'late' in the program. If indeed, the black sections are for a second crane, which it seems there will be, and presumably to be located on the 57St side of the site, why was it not done earlier? And why no traffic advisory for 57St.?

Another member noted that the current crane might not erect the new crane because of radius and weight concerns, which is true of crane operation. If that is the case, then how would the new 57St crane be erected?

Questions to be answered this weekend.
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Old January 10th, 2013, 08:24 PM   #5174
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Im sure i saw a white crane base section tho. If all the white tower sections are for the current crane, what of the white base section?

edit: Could any of this be for the concrete pump?

Last edited by Greatdane; January 10th, 2013 at 08:31 PM.
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Old January 10th, 2013, 09:44 PM   #5175
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well id say that the 440 favco could set the mast sections for the 57th st crane, but thats about it. they will use a mobile crane to erect the actual house and boom.

id bet if those mast sections are for the 57th street crane, they will be set on normal hours and will not require any closures from the DOT.
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Old January 10th, 2013, 10:00 PM   #5176
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Im sure i saw a white crane base section tho. If all the white tower sections are for the current crane, what of the white base section?

edit: Could any of this be for the concrete pump?


Greatdane,
You are right. There was a white piece that appears to be a crane base section delivered earlier. What it is for, I don't know. As for the concrete placing boom (which is now at the site to be offloaded), I believe I saw a yellow four-legged piece delivered yesterday, that was placed atop the core, which I believe is the base for the boom. If you look carefully at the core, you can see the piece mentioned.

thejacko5,

Yes the current Favco crane can set the new tower sections during normal working hours, but another crane would have to set the machinery deck and boom. However, that is a considerable radius from 56St to the northeast corner where the new crane would be set. Such a radius would require a large crane indeed, perhaps in the 500 ton capacity range.
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Old January 10th, 2013, 10:16 PM   #5177
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Quote:
Originally Posted by marcatio View Post
This is interesting. And a mystery. Earlier, white tower sections have been delivered. Currently black tower sections have arrived and are being unloaded. Examination of the tower sections show that the black ones have a larger square dimension than those of the white sections. The white sections are undoubtedly for the current Favco crane that is in operation. The mystery is, why have a second crane erected this 'late' in the program. If indeed, the black sections are for a second crane, which it seems there will be, and presumably to be located on the 57St side of the site, why was it not done earlier? And why no traffic advisory for 57St.?

Another member noted that the current crane might not erect the new crane because of radius and weight concerns, which is true of crane operation. If that is the case, then how would the new 57St crane be erected?

Questions to be answered this weekend.
they bring in a mobile crane for the assembly
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Old January 10th, 2013, 10:26 PM   #5178
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True, a mobile crane is normally used for tower crane erection, but looking at the site as it currently stands, it would require quite a large crane indeed, most likely of the luffing jib variety, as it would have to reach past the current crane, and the core, both of which are quite high at the moment. It's not only a matter of horizontal distance represented by the straight line radius from 56St to the opening at 57St. but the vertical clearance required to reach past the current crane and core. It would make far more sense, if a crane was to be erected on 57St (I don't see why two cranes were required) to 1.) erect it before the lower sub-basement floors were erected, and 2.) erect the crane from the 57St side. However, someone mentioned whether this mast assembly is for the concrete pump.


All of this is still a mystery.As I write this, the concrete placing boom is being placed atop the core, on the four-legged piece I mentioned earlier.

Last edited by marcatio; January 10th, 2013 at 10:42 PM. Reason: addition
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Old January 10th, 2013, 10:55 PM   #5179
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What I know is that all those sections are crane sections. Pump has just been placed on top of the core and non of these sections belong to the pump. Pump has its own mechanism.

Those black parts are probably going in the hole on 57th street. There was already one black section delivered about 2 months ago or so. It was placed in the hole on its base by the tower crane that operates now. So it's reachable. White sections could go on top of the black sections, or they could be part of the third tower crane which will construct steel for the retail part and the cube.

Also, 56th street will be closed his weekend, so they will use it to assemble jib for the new tower crane. Since it's on the 56th street, current tower crane will place it up. When you think of it, current tower crane will catch new jib in the middle so it won't even have to reach all the way to the 57th street.
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Old January 11th, 2013, 12:43 AM   #5180
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My goodness this thing sticks out like a boxy sore thumb!
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