Nashville Yards, 15 acres/4 million sq. ft./ $1 billion, Phase I: Grand Hyatt Hotel (25 stories), Phase II: Amazon (26 & 22 stories), Phase III: AEG District (4 K theater, 34 & 35 story apts); Phase IV: Pinnacle Tower (35 stories), Amazon 3 (43)

[Skyscrapergeek]

But who is expecting/speculating it to rise 575’? Numbers get thrown around especially early on and then those numbers stick. That’s how buildings like 5/3 go for years listed as 55’ taller than they really are. 

[downtownresident]

It’s an estimate. The building will be 35 stories above Platform Way, 1 lobby / retail floor, 10 parking floors, and 24 office floors. Depending on how tall the parking floors and parapet of this one is, it could range from 490’-550+’ above Platform Way. 
 

Edit, one thing is sure, they are marketing this as Nashville’s “Future Highest Office Building,” so we know it will be taller than Bridgestone at 460’. 
 

Edited November 12, 2021 by downtownresident

[Brichar4]

I’m so curious with this permit news and the looming under construction status if we will see permits filed for its other two neighbors! See how accurate the renders have been 

[Skyscrapergeek]

1 hour ago, downtownresident said:

It’s an estimate. The building will be 35 stories above Platform Way, 1 lobby / retail floor, 10 parking floors, and 24 office floors. Depending on how tall the parking floors and parapet of this one is, it could range from 490’-550+’ above Platform Way. 
 

Edit, one thing is sure, they are marketing this as Nashville’s “Future Highest Office Building,” so we know it will be taller than Bridgestone at 460’. 
 

 

Funny but Bridgestone is another example of a height being incorrectly reported and sticking. I know, I know it’s only height, right? I’m just in a mood today. My guess is 514’. 

[chris holman]

5 hours ago, markhollin said:

A master permit has been filed for the Pinnacle Tower (34 stories, 575', 650,000 sq. ft. office space, 28,000 sq. ft. of retail). Full scale work (beyond the excavation currently underway) should begin sometime in December.

More behind the Nashville Post paywall. here:

https://www.nashvillepost.com/business/development/notes-additional-images-released-for-germantown-project/article_bc29071a-4340-11ec-a15e-373d9d14bc31.ht
 

The pinnacle building they are currently in is 29 stories at 417ft  529,000ft I believe.

so it could possibly be over 500ft 

[nashville born]

Quietly rooting for this one to be at least 500'  if not closer to the speculated 575'.  This design deserves nothing less IMO.

Edited November 12, 2021 by nashville born

[markhollin]

Amazon Two update:  steel up to 15th floor (17th above grade); elevators shafts/stairwells up to 24th level (26th above grade):

Looking NE from intersection of Broadway and I-40/65 inner belt:




Looking NE from Church Street Viaduct where it crosses over 11th Ave. North:

Looking NW from Church Street, 1/4 block east of Upper 10th Ave. North:

LookingNW from 9th Ave. North, just south of Church St:

Looking south from 10th Ave. North, 1/2 block south of Charlotte Ave:

Looking west from surface lot south of TSU Avon Campus:

[smeagolsfree]

We should have a pool, the one with the winning number wins the kitty. My guess is 539’!

[markhollin]

AEG site has a bit more equipment moving around.

Looking SE from 9th Ave. North, just south of Church St:
 

[smeagolsfree]

What I am trying to figure out is why they are doing more geo tech work when seemingly the hole is already dug. Looks as if they may be going deeper with the hole.

Those in the know.....Thoughts????

[markhollin]

1001 Church (Amazon Three) update.

Looking SE from Church Street Viaduct where it crosses over CSX tracks:

[Bos2Nash]

23 hours ago, smeagolsfree said:

What I am trying to figure out is why they are doing more geo tech work when seemingly the hole is already dug. Looks as if they may be going deeper with the hole.

Those in the know.....Thoughts????

They may not be going deeper, but rather confirming structural assumptions made with the redesigns. Granted the parking garage has been designed for awhile to fill the hole, but new key sturctural loading points may need to be confirmed 

[Rick Dalton]

Are we sure this project isn’t an elaborate limestone mining scheme? Every day I drive by and it’s more and more digging 

[Armacing]

10 hours ago, Bos2Nash said:

They may not be going deeper, but rather confirming structural assumptions made with the redesigns. Granted the parking garage has been designed for awhile to fill the hole, but new key sturctural loading points may need to be confirmed 

It still seems strange... like, what do they expect to find?  It's pretty much uniform limestone as far down as they can dig, unless they have reason to believe there is some kind of cave system down there... which would be awesome!

[Bos2Nash]

26 minutes ago, Armacing said:

It still seems strange... like, what do they expect to find?  It's pretty much uniform limestone as far down as they can dig, unless they have reason to believe there is some kind of cave system down there... which would be awesome!

It certainly is odd. That’s why the most plausible reason I think they were doing is a revision to the design. While it is a safe presumption we are on a limestone shelf, it unfortunately all comes back to liability and a structural engineers comfort with foundation design to stamp the drawings. 

[Luvemtall]

So if indeed they are checking for stability and load bearing stress points , at this stage of the game. Would it or could it be due to yet another change of design ? I ask only because, these buildings have been in development for the last several years, a plan and layout of this project has been shown for quite awhile now. Even with the announcement of the Pinnacle tower, they had renderings available which had to be designed and acceptable long before it was made public. They have changed these buildings several times, to have them do it again would not surprise us. 

P.S ,  Bos2Nash sorry I didn’t see your post above. You mentioned a design change might be a reason for this. I was back and forth with writing my post and didn’t refresh.

[Andy20]

 

12 hours ago, Armacing said:

It still seems strange... like, what do they expect to find?  It's pretty much uniform limestone as far down as they can dig, unless they have reason to believe there is some kind of cave system down there... which would be awesome!

Structural engineer here. Middle Tennessee and central Kentucky are known for their limestone as anyone who is on this site watching excavation would know. An interesting  characteristic of limestone is that it is soluble. Solubility can causes a karst condition meaning that if there is any underground water drainage, caves begin to form. See the corvette museum in Kentucky as a prime example. We talked about this ad nauseam in geotechnical engineering. Tennessee actually has the most caves of any state in the US, but it’s also just standard practice to bore these holes. You just have to know what is underneath and what you’re building your foundation on before you put thousands of peoples lives at risk with a 40 story building. Greater than liability, it would be unethical to not drill deeper with a design change.

Edited November 18, 2021 by Andy20

[smeagolsfree]

On this theme, since I have the attention of those that have the education in place to answer the questions!  If they have the garage that will cover the entire site, do they have to sort of re-engineer the depth of the footers if they will will going taller with the residential towers that will be on top of the garage?

Do they need to go deeper at the portion where those building would go?

The number of residential units in the  "three" residential buildings here will have around 2000 units, so divide that by three and you have 666 units per tower give or take. I am taking this from the interview with the executive from AEG the NBJ did.

 

[markhollin]

Pinnacle Tower and Church Street Residential Tower update.

Looking SE from Church Street Viaduct where it crosses over CSX tracks:

[jjbradleyBrooklyn]

Slowly but surely making progress. I'll be glad to see once they start having steel go up.

It always makes me nervous seeing a huge deep hole cut out for a development site, and then to see that site sit just like that for months. 

I lived in Stamford, CT for 6 years, and downtown had a development site right in the heart of downtown called "the hole" because it was initially dug out about 50 feet deep or so, for a tower back in the 90s. They discovered tidal water when they dug, so apparently it stalled and they backed out. Leaving the "hole" to sit like that for 15-20 years. Finally, in 2014/15 (roughly), they built a nice 15 story residential building there. I suppose technology, developers, timing and money finally aligned to make it happen. 

Anyway, that's a dramatic worst case situation, and I don't think for a moment Nashville Yards will be anything like that. But just sayin it would be amazing to see steel going up sooner--rather than a long time later. 

 

 

[tragenvol]

7 minutes ago, jjbradleyBrooklyn said:

Slowly but surely making progress. I'll be glad to see once they start having steel go up.

It always makes me nervous seeing a huge deep hole cut out for a development site, and then to see that site sit just like that for months. 

I lived in Stamford, CT for 6 years, and downtown had a development site right in the heart of downtown called "the hole" because it was initially dug out about 50 feet deep or so, for a tower back in the 90s. They discovered tidal water when they dug, so apparently it stalled and they backed out. Leaving the "hole" to sit like that for 15-20 years. Finally, in 2014/15 (roughly), they built a nice 15 story residential building there. I suppose technology, developers, timing and money finally aligned to make it happen. 

Anyway, that's a dramatic worst case situation, and I don't think for a moment Nashville Yards will be anything like that. But just sayin it would be amazing to see steel going up sooner--rather than a long time later. 

 

 

Have you seen the Broadwest message thread with several years discussion of Lake Palmer?

https://www.urbanplanet.org/forums/topic/115371-broadwest-former-west-end-summit-36-story-conrad-hilton-hotelcondo-tower-22-story510000-sq-ft-office-tower-4-story125000-sq-ft-retailoffice-1-acre-plaza-2500-car-garage-490-million/

 

Edited November 18, 2021 by tragenvol

[Andy20]

I will preface this by saying I have a structural engineering degree, but I chose to go into a different field after graduation. I check this site everyday though as I still enjoy construction. That being said, I’ve designed mid size towers, around 15 stories, from foundation to roof.  I have some knowledge but I’m sure a PE on here could correct me with some things.

To answer your question…I would assume if they increase the size of the buildings, they would have to dig deeper in some fashion. But where they need depth is the question. When watching excavation, they dig out the main hole and then dig out the smaller rectangular holes for the footers. The footer holes will assuredly increase but unless they’re increasing the garage size or substantially increasing the buildings, I would think they just increase the size of the foundation, whether it be depth and/ or width.

You do not need to go deeper where the towers will go but you will need more localized/deeper foundation support within the footprints of the towers. The general design would really just be three towers designed as they would be with a parking garage attached between them. The interesting part is worrying about movement, hot/cold expansion/contraction, wind movement, etc. There will be a lot rigidity within the entire project, so there needs to be plenty of expansion joints. This is really a pretty special project.

[Armacing]

7 minutes ago, jjbradleyBrooklyn said:

I lived in Stamford, CT for 6 years, and downtown had a development site right in the heart of downtown called "the hole" ...

Agreed, that is always the fear here.  You may already know this, but we in Nashville experienced a similar situation (not as long in duration) where the current location of Broadwest was a water-filled hole for years after the old West End Summit development failed.  Even today Google maps shows that location as a "lake" in the default view map.

[smeagolsfree]

Thanks for the explanation. I do think there is a redesign in progress of some sort……again! I think I know the co-developers of all of the residential towers now and the list is growing.

Looks like we are about to be in for a treat.  Also thanks to Taylor we think the Pinnacle project will be a 3 tower crane project. We are not going to give up all of our secrets.

[Sean blackdog]

4 minutes ago, smeagolsfree said:

Thanks for the explanation. I do think there is a redesign in progress of some sort……again! I think I know the co-developers of all of the residential towers now and the list is growing.

Looks like we are about to be in for a treat.  Also thanks to Taylor we think the Pinnacle project will be a 3 tower crane project. We are not going to give up all of our secrets.

Lots of tower cranes.