Winthrop Center | 115 Winthrop Square | Financial District

Lrfox

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Working on something else and realized Winthop Square is on the public 3D files. I'll have more time next week if anyone is curious how this is going to look from a certain angle. I'll certainly be playing around for myself.

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Awesome, thanks for sharing. I'd love to see it from the Eastie waterfront if you've got a chance - Piers Park and Portside at East Pier in particular.

I also love that One Beacon looks like an incomplete render or the box a slimmer model fit in.
 

stick n move

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Awesome, thanks for sharing. I'd love to see it from the Eastie waterfront if you've got a chance - Piers Park and Portside at East Pier in particular.

I also love that One Beacon looks like an incomplete render or the box a slimmer model fit in.
They released official renders from Eastie a while ago, that just happen to be from those spots, here ya go:


 

Gunner02

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3.17.21 - They are pouring the 11th, almost 12th per a crewman. Should be done with 12 by end of week. It was extremely courteous of him to discuss. He was definitely excited about the project, as he could clearly tell I was too.

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bigpicture7

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^Crazy how the curtain wall "pleats" are cast into each floor's concrete slab. That seems particularly arduous. (And fantastic photos, Gunner!)
 

mass88

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How much quality control is there on the pours for each floors? What kinds of things do they look for and check before they determine they can go on to start getting ready for the next floor?
 

Wiltonion

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How much quality control is there on the pours for each floors? What kinds of things do they look for and check before they determine they can go on to start getting ready for the next floor?
I'm in a different field now, but my old job provided me with some opportunities to interact with the guys who worked on these large projects. The culture is fascinating. They have all sorts of names for different trades and different things on the job site - only trade I can remember is carpenters are called woodpeckers. I mostly met ironworkers, who split up their work crews into different "gangs." The bolt-up gang, the erection gang, the decking gang, the finishing gang. I learned a little more about how traditional steel erection than poured in place concrete, but I do know that the top floors are essentially controlled by single subcontractor while they are Controlled Access Zones. The GC is still technically in charge of those floors, but they really differ to the specialists at that point. When the sub believes they are done with the floor, they turn it over to the GC, who inspects the floor and either accepts or rejects it. If the GC accepts it, other trades can then go on the floor.

All the main subcontractors are very experienced and knowledgable on these large projects, and they all have multiple current and prior projects with the same GCs. If they don't do a good job, they know the GC won't hire them again, so the quality control is usually very good.
 

DrFreewind

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How much quality control is there on the pours for each floors? What kinds of things do they look for and check before they determine they can go on to start getting ready for the next floor?
Typically every x cubic yards of concrete a set of test cylinders is made and tested at 7 and 28 days (sometimes also 3 and 14 days depending) for their compressive strength. If the test cylinders pass then they can remove temporary support and move up, if not then they will wait until 28 days and test that cylinder and hope that it passes
 

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