Omni Hotel @ BCEC | Summer St | Seaport

Yeah there's going to be some real interesting framing starting here real soon - because of the span over the roadways below, and because iirc there is going to be a very large ballroom volume with a huge multi-floor truss bridge over it...
 
CSTH said:
Yeah there's going to be some real interesting framing starting here real soon - because of the span over the roadways below, and because iirc there is going to be a very large ballroom volume with a huge multi-floor truss bridge over it...
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For a refresher...

stick n move said:
This is shown as going right up against WTC ave. In the above pictures it shows that the ground ends before the bridge and theres a road, how are they going to get it right against the bridge? Theres literally an entire skyscraper being built on top of a road somehow... Anyways new renders:


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OBSH_SW_Corner_Dusk_1__1_.0.jpg


OBSH_View_3_D_Street.jpg


omni_BT-e1517338957139.jpg
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FitchburgLine said:
The steel beams beneath the ballroom are huge. Appears to be cantilevered over Track 61
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Definitely cantilevered. Looks like the ballroom, the silver pop-out and the northern edge of the eastern tower are cantilevered over track 61.

https://flic.kr/p/2gW2mMx

https://flic.kr/p/2gW3ccE

https://flic.kr/p/2gW3dqX

https://flic.kr/p/2gW2nc5

https://flic.kr/p/2gW2nkg

https://flic.kr/p/2gW2jaD

https://flic.kr/p/2gW2o5s

https://flic.kr/p/2gW2nVp

https://flic.kr/p/2gW3cLq
 
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ohhhh ...that cantilever beam is so girthy. Swoon.

cca
 
BeeLine said:
Definitely cantilevered. Looks like the ballroom, the silver pop-out and the northern edge of the eastern tower are cantilevered over track 61.





https://flic.kr/p/2gW3dqX

https://flic.kr/p/2gW2nc5

https://flic.kr/p/2gW2nkg

https://flic.kr/p/2gW2jaD

https://flic.kr/p/2gW2o5s

https://flic.kr/p/2gW2nVp

https://flic.kr/p/2gW3cLq
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Those are some of the BIGGEST Steel Beams recently seen in Boston especially those "Double Wides"

Use a wooden version made out of 2x12s in my most recent deck project
 
Anyone know why half this building is steel frame and the other half is CIP concrete?
 
Vivanna said:
Anyone know why half this building is steel frame and the other half is CIP concrete?
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I was just about to pose the same question here, though I understand it's not really exactly half. Guesses would be appreciated. Either way, the construction details here are certainly more interesting than I would've originally imagined.
 
Ill take a guess. The right tower is EXTREMELY thin, so its best to use a CIP structure for rigidity.

The other tower is a pretty standard box, so going with a traditional CIP core with a steel frame skeleton is the most standard and cost effective solution. Especially on a project so extremely massive and material intensive with so few actual floors.

They could have went all steel like most Seaport buildings, but the thin tower would have been a maze of bracing. This is a smart way to keep both towers simple, theyre using the advantages of both construction methods to keep the end product simple and effective.

omnihotel.0.jpg
 
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IMG_8933 by Bos Beeline, on Flickr

IMG_8943 by Bos Beeline, on Flickr

IMG_8946 by Bos Beeline, on Flickr

IMG_8954 by Bos Beeline, on Flickr

IMG_8956 by Bos Beeline, on Flickr

IMG_8960 by Bos Beeline, on Flickr

IMG_8958 by Bos Beeline, on Flickr

IMG_8962 by Bos Beeline, on Flickr

IMG_8959 by Bos Beeline, on Flickr

IMG_8966 by Bos Beeline, on Flickr

IMG_8967 by Bos Beeline, on Flickr

IMG_8983 by Bos Beeline, on Flickr

IMG_8855 by Bos Beeline, on Flickr

IMG_8770 by Bos Beeline, on Flickr

IMG_8862 by Bos Beeline, on Flickr

IMG_8754 by Bos Beeline, on Flickr
 
I will venture a guess that the concrete is specifically the wing that is just rooms and the steel portion has rooms and large span areas like lobbies and ballrooms and conference spaces and such?
 
cca said:
I will venture a guess that the concrete is specifically the wing that is just rooms and the steel portion has rooms and large span areas like lobbies and ballrooms and conference spaces and such?
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I think that's a major part of the explanation
Specifically -- the HUUUUGE [calm down Bouwney...] Cantilever --and the wide spans associated with the HUGE Ballroom -- you really can't do Cantilever with poured in place reinforced concrete [perhaps post-tension precast] but Steel is the obvious choice and then you might as well integrate with the rest of the building
 
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