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Link Posted: 10/12/2019 5:24:44 PM EDT
[#1]
Madness....RIP
Link Posted: 10/12/2019 5:38:00 PM EDT
[#2]
Implode that bitch and start over..
After the investigation.  Those floors buckled way too easy.

1/3rd of the building collapsed.

The steel construction I have experience with didnt rely on concrete for support.  
The slabs were poured onto corrugated steel trays welded to the beams.  
This sucker just went down like it was deliberately imploded.
Link Posted: 10/12/2019 5:41:51 PM EDT
[#3]
Link Posted: 10/12/2019 5:43:32 PM EDT
[#4]
bad structural engineering or bad steel
Link Posted: 10/12/2019 5:45:50 PM EDT
[#5]
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Quoted:
Implode that bitch and start over..
After the investigation.  Those floors buckled way too easy.
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Some of y’all don’t seem to understand how construction works.  Structures are pretty unstable until all floors, roofs and connections are complete.  That’s the reason for shoring, jacks, bracing and scaffolding.
Link Posted: 10/12/2019 5:50:44 PM EDT
[#6]
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Quoted:

Some of y'all don't seem to understand how construction works.  Structures are pretty unstable until all floors, roofs and connections are complete.  That's the reason for shoring, jacks, bracing and scaffolding.
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I understand plenty about structure and construction and some designs are more vulnerable than others.  
My statement doesnt negate the need for proper shoring or proper curing.  If it was properly shored and concrete properly cured, it shouldnt of collapsed like a house of cards.
Or no?
Link Posted: 10/12/2019 6:04:48 PM EDT
[#7]
Looks like a very “airy” modern structure without very many beefy columns.

Not built like a 1920’s chicago skyscraper, that is for sure.

Of course, probably harder to build like that on 300 feet of soaking wet subsiding mud.

Eta

Uncured / poor quality concrete

Poor quality steel

Poor building practices

Poor design

Poor building inspection

Fluke / act of god

I would say none of the man-caused answers can happen without incompetence or corruption by the inspectors.
Link Posted: 10/12/2019 6:11:28 PM EDT
[#8]
Link Posted: 10/12/2019 6:13:59 PM EDT
[#9]
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Praise Kek?
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That’s his second cousin
Link Posted: 10/12/2019 6:19:16 PM EDT
[#10]
What is this, China?
Link Posted: 10/12/2019 6:22:10 PM EDT
[#11]
i wonder if the scissors lift  played a role. (2:09 in the drone vid)
Link Posted: 10/12/2019 6:24:16 PM EDT
[#12]
collapse pattern is weird for that kind of structure.

A failure of a section should not peal the whole front off.

Maybe tensioned slab and when the corner went the cables all failed? dunno
Link Posted: 10/12/2019 6:24:32 PM EDT
[#13]
Link Posted: 10/12/2019 6:30:48 PM EDT
[#14]
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I’d bet $ that the shoring was pulled on the upper deck before it hit strength.

ETA: maybe not looks like a SOMD

https://i.ibb.co/yRfyxnN/F87-EB5-C0-AF14-4741-8-D03-D96383396581.jpg
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Somebody cheating on QA/QC for the concrete. Flooding the mix with water to get more yards maybe?
I’d bet $ that the shoring was pulled on the upper deck before it hit strength.

ETA: maybe not looks like a SOMD

https://i.ibb.co/yRfyxnN/F87-EB5-C0-AF14-4741-8-D03-D96383396581.jpg
You expect to see this stuff in Mexico and China.
Link Posted: 10/12/2019 6:37:44 PM EDT
[#15]
Engineers from India?

Steel from China?

Labor from Mexico?

I would bet at least one of the three played a part.

We are slowly devolving into a third world country and experiencing all the problems that go along with it.
Link Posted: 10/12/2019 6:38:15 PM EDT
[#16]
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Slow down there contractor guy.  Contractors never screw up.

I went out on a job one day to see pallets of block stacked consecutively along the edge of an elevated slab.  
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Probably time to close down from being an engineer and maybe try your hand at something else like floristry.
Slow down there contractor guy.  Contractors never screw up.

I went out on a job one day to see pallets of block stacked consecutively along the edge of an elevated slab.  
I still build some. But my biggest grossing company is in demolition. That building looks like a job half done to me.

But yah. I work with a lot of engineers to get approvals to mobilize equipment onto raised decks. Load distribution is a thing. Some jobs I can’t park my equipment in the same room or same floor.
Link Posted: 10/12/2019 6:54:16 PM EDT
[#17]
When will people in the US wake up and demand that all hotels be banned.

We must have common sense hotel control.

If we can't get an outright ban, we must at least ban assault hotels with more than ten rooms.

Why can't we require comprehensive background checks for anyone checking in to a hotel?

There are just too many hotel loop holes.
Link Posted: 10/12/2019 7:01:04 PM EDT
[#18]
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Quoted:
collapse pattern is weird for that kind of structure.

A failure of a section should not peal the whole front off.

Maybe tensioned slab and when the corner went the cables all failed? dunno
View Quote
I noticed it sheared off right in line with the tower cranes.

The floor below the roof has a large cantilever on both sides at the corner of what didn't collapse, still shored.

If you zoom in on the pictures the newest slab still has shoring in place for the top two floors.

You can see the job on google maps, they were pouring from the tallest crane that is leaning toward the smaller crane.

It looks to be post tensioned based on the view from google.

My guess, somebody pulled shoring before tensioning the cables and a bit of communication problems with the trades and engineers.

google maps view
Link Posted: 10/12/2019 7:05:56 PM EDT
[#19]
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Quoted:
bad structural engineering or bad steel
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Or somebody cut the wrong support
Link Posted: 10/12/2019 7:53:21 PM EDT
[#20]
Drone footage was interesting.
Hollow concrete plank floors? Could not really tell.
Skids of material on the top deck.
I grew up not far from the skyline towers collapse and always think about it when upper decks were being poured above me.
Link Posted: 10/12/2019 8:02:03 PM EDT
[#21]
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Probably non union job and a cheap engineering firm , reinforced concrete should not do that
columns look to be to far apart , probably didn't have enough acro  jacks to support the pour , what a shit show .
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You’re fucking kidding me, right?

Go choke on that union dick somewhere else
Link Posted: 10/12/2019 8:03:01 PM EDT
[#22]
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I still build some. But my biggest grossing company is in demolition. That building looks like a job half done to me.

But yah. I work with a lot of engineers to get approvals to mobilize equipment onto raised decks. Load distribution is a thing. Some jobs I can’t park my equipment in the same room or same floor.
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yep there was a big truss collapse around here when the roof wasn't even decked yet a couple years ago... look at the newspaper photos, what do you see? a full bundle of OSB sitting on top of the truss rubble.... yeah a roof is not deigned for that kind of point load....
Link Posted: 10/12/2019 8:29:10 PM EDT
[#23]
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Yikes, how does that happen?
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somebody did not do their job most likely, or like Miami not qualified for it.
Link Posted: 10/12/2019 9:35:26 PM EDT
[#24]
Last I saw, the count of injuries has risen to eighteen, fatalities still at one.  I hope it remains there.
Link Posted: 10/12/2019 9:59:38 PM EDT
[#25]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Engineers from India?

Steel from China?

Labor from Mexico?

I would bet at least one of the three played a part.

We are slowly devolving into a third world country and experiencing all the problems that go along with it.
View Quote
Some of the smartest people are from India (due to the HUGE population in poverty, education is the only way out and very competitive).

The other two seem likely, but this is NOLA, so more than likely the labor is just lazy, over weight guys working for barely over minimum wage.
Link Posted: 10/12/2019 10:01:02 PM EDT
[#26]
Hard Rock Hotel Collapse video analysis of drone footage (corrected version in link below)
Link Posted: 10/12/2019 10:03:37 PM EDT
[#27]
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On concrete and steel?

Link Posted: 10/12/2019 10:32:37 PM EDT
[#28]
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On concrete and steel?

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On concrete and steel?

They’re really special, concrete & steel-eating termites.  Very rare.
Link Posted: 10/12/2019 10:43:11 PM EDT
[#29]
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It was clear that a number of the workers were shook up.
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Video looks like a construction workers nightmare.
Bad day all around.
Saw a gymnasium at a school collapse when they were setting steel.
It was clear that a number of the workers were shook up.
Earlier this week a crane lost a load of steel on a hotel project in downtown Cleveland. One of the beams pierced 2 floors of a parking garage.
Link Posted: 10/12/2019 10:47:50 PM EDT
[#30]
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My bet is it's totaled, the integrity in the rest of the building material and quality of work is compromised. I wouldn't want to stay in that structure in the future.
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So after a partial collapse like that is that building totaled? Or do they just repair and continue building?
My bet is it's totaled, the integrity in the rest of the building material and quality of work is compromised. I wouldn't want to stay in that structure in the future.
Yep they’ll have to tear that one down. A collapse on one side caused lift on the other, the whole building moved.
Link Posted: 10/12/2019 10:55:45 PM EDT
[#31]


Link Posted: 10/12/2019 11:12:46 PM EDT
[#33]
No airplane hit it either.

Tragic.
Link Posted: 10/12/2019 11:13:19 PM EDT
[#34]
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High wind should not impact a building of that size/ construction.
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My younger brother still lives there. He said they had some pretty bad weather last night with high winds and that started it. The workers building it also attribute the high winds as the catalyst.
High wind should not impact a building of that size/ construction.
The exterior isn't even enclosed / wrapped. If the wind alone loosened things up there were some pretty major flaws in the design.

I cant even imagine being the PM for the GC right now. That looks like a total shit show.
Link Posted: 10/12/2019 11:18:01 PM EDT
[#35]
Upper part of building is structural steel with slab on metal deck. No shoring is required with most somd. Upper building is over cast in place concrete podium structure. I have never seen a podium slab that thick. One problem with doing a steel structure over a concrete structure is that ideal column spacing for each system is different. It looks like they are using the podium to transfer column locations. Either bad design or inferior construction.

Eta: it actually looks like they had some cantilevered steel portions shored. A lot of design features I have not seen before.
Link Posted: 10/12/2019 11:18:05 PM EDT
[#36]
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You’re fucking kidding me, right?

Go choke on that union dick somewhere else
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Ha ha if theres one thing union contractors do right it's putting up buildings, now go off with yourself and your scab buddies .
Link Posted: 10/12/2019 11:24:51 PM EDT
[#37]
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Quoted:
Upper part of building is structural steel with slab on metal deck. No shoring is required with most somd. Upper building is over cast in place concrete podium structure. I have never seen a podium slab that thick. One problem with doing a steel structure over a concrete structure is that ideal column spacing for each system is different. It looks like they are using the podium to transfer column locations. Either bad design or inferior construction.
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Thats not true you get deflection on the stay in place q deck and it's always smart to put in akro  jacks in the middle of the decking
I've worked on plenty of steel high rises here in NYC and that is how it's done , you don't want any sag in the decking what so ever .
Link Posted: 10/12/2019 11:36:59 PM EDT
[#38]
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Quoted:
collapse pattern is weird for that kind of structure.

A failure of a section should not peal the whole front off.

Maybe tensioned slab and when the corner went the cables all failed? dunno
View Quote
Interesting thought.  I don't know how they build floors down there,  but I haven't seen pre-tensioned concrete for floors in a building like that. I've only seen that on parking decks actually.

It is an interesting collapse pattern.
Link Posted: 10/12/2019 11:39:08 PM EDT
[#39]
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Thats not true you get deflection on the stay in place q deck and it's always smart to put in akro  jacks in the middle of the decking
I've worked on plenty of steel high rises here in NYC and that is how it's done , you don't want any sag in the decking what so ever .
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That's why I said most. Typically it is not required as they specify a gauge of deck that will support the concrete. A lot of steel structures are built with camber that relaxes when concrete is placed. It may be different in NYC. Out here in the west I probably see less than 5% buildings with somd where shoring is required.

In this situation it appears the concrete was not placed recently. The cantilevered portions do seem large for a steel structure.
Link Posted: 10/13/2019 12:18:42 AM EDT
[#40]
Hard Rock Hotel Collapse Floor decks NOT pre-fab No Supports Shown? Punch shear immature concrete?
Link Posted: 10/13/2019 1:31:20 AM EDT
[#41]
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What is this, China?
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Link Posted: 10/13/2019 1:35:18 AM EDT
[#42]
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Quoted:
Ha ha if theres one thing union contractors do right it's putting up buildings, now go off with yourself and your scab buddies .
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Quoted:

You’re fucking kidding me, right?

Go choke on that union dick somewhere else
Ha ha if theres one thing union contractors do right it's putting up buildings, now go off with yourself and your scab buddies .
lol.

Keep on sucking that union dick.
Link Posted: 10/13/2019 1:36:26 AM EDT
[#43]
2 dead, 1 missing, dozens hurt after Hard Rock Hotel collapses on Canal Street
Link Posted: 10/13/2019 1:38:34 AM EDT
[#44]
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Yikes, how does that happen?
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It's New Orleans... anything can happen there at any time.
Link Posted: 10/13/2019 1:47:36 AM EDT
[#45]
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Yeah, there’s a guy on the fourth yellow level in Green you can see running left and INTO the building while collapsing
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You can see a guy just outside the building as it collapses. Doesn't look like he made it. You have to watch it on full screen.

https://www.youtube.com/watch?v=q4W0a9fcKK8
Yeah, there’s a guy on the fourth yellow level in Green you can see running left and INTO the building while collapsing
He made it to the 2nd small window then fell down.  The building then collapsed on top of him.
Link Posted: 10/13/2019 1:49:42 AM EDT
[#46]
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lol.

Keep on sucking that union dick.
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Quoted:
Quoted:

You’re fucking kidding me, right?

Go choke on that union dick somewhere else
Ha ha if theres one thing union contractors do right it's putting up buildings, now go off with yourself and your scab buddies .
lol.

Keep on sucking that union dick.
Oh.  That's just a typical east coast union tard response.

Everybody that doesn't pay to suck union dick and the privilege to have a job is a scab.  

I remember living on the east coast...  My brothers HS job required him to join a union... To bag groceries and stock for minimum wage at A&P!
Link Posted: 10/13/2019 10:58:03 AM EDT
[#47]
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Oh.  That's just a typical east coast union tard response.

Everybody that doesn't pay to suck union dick and the privilege to have a job is a scab.  

I remember living on the east coast...  My brothers HS job required him to join a union... To bag groceries and stock for minimum wage at A&P!
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Funny you say that...

My first job was an an A&P.  As a grocery bagger.

They wanted me to join the union.  I found another job.

I guess I need to get some vanity plates for my truck that read “SCAB”.  
Link Posted: 10/13/2019 11:05:00 AM EDT
[#48]
Link Posted: 10/13/2019 11:13:27 AM EDT
[#49]
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He made it to the 2nd small window then fell down.  The building then collapsed on top of him.
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Didn't see that until now. Awful.
Link Posted: 10/13/2019 11:14:06 AM EDT
[#50]
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