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Ammoholic
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quote:
Originally posted by 6guns:
^^^ Yeah, the use of the word iron often pisses me off. People really don't know and if they did, they'd realize just how ridiculous and incorrect it is.
You’re correct of course, however, isn’t it the Ironworker’s union? The term often used for steel framed construction is “red iron”. It may not be technically correct, but it is the term that’s been used for a long time.
 
Posts: 7809 | Location: Lost, but making time. | Registered: February 23, 2011Reply With QuoteReport This Post
Member
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Originally posted by 229DAK:
Maybe Chinese steel?

Doubtful. The location is two-separate buildings, was built in 1905 and the other in 1960, I believe most steel sourced then was either US or Canada produced. The lack of reinforcement and support for lower-level load-bearing members while support walls/structure were removed, is playing out as window-frames & flooring are failing while outside facade peels off.
 
Posts: 16131 | Location: Wine Country | Registered: September 20, 2000Reply With QuoteReport This Post
Lawyers, Guns
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Picture of chellim1
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quote:
Originally posted by ugeesta:
Skyscrapers are designed from the top down. If they are adding 6-10 stories to the building, I’m questioning if the contractor reinforced the existing skeleton to withstand the extra weight added to the top. Looking at the pic of the bent columns, doesn’t look like it.

If that is the reason for the failure, there is a ton of common sense missing from that job site.

Wow...
How did they even get permits to do that?
Wouldn't it need engineering approval?



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Posts: 27130 | Location: St. Louis, MO | Registered: April 03, 2009Reply With QuoteReport This Post
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Looking at the distinctly uninformative pictures available has me wondering if Corrosion isn't a cause or at the least a factor. I will also note that adding 12 stories to an existing structure built 50 years ago is not only a bad idea but I suspect that quite a few palms got greased for that approval. Because no honest engineer would allow that much load being added to a 50 year old structure.


I've stopped counting.
 
Posts: 5953 | Location: Michigan | Registered: November 07, 2008Reply With QuoteReport This Post
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Picture of TigerDore
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Originally posted by chellim1:
Wow...
How did they even get permits to do that?
Wouldn't it need engineering approval?

The blueprints would be approved, but it doesn't mean that the contractor follows the blueprints. I know that is what inspections are for, but it is NYC, and it is NYC under Madmani.



.
 
Posts: 10138 | Registered: September 26, 2013Reply With QuoteReport This Post
As Extraordinary
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Picture of smlsig
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quote:
Originally posted by Scooter123:
Looking at the distinctly uninformative pictures available has me wondering if Corrosion isn't a cause or at the least a factor. I will also note that adding 12 stories to an existing structure built 50 years ago is not only a bad idea but I suspect that quite a few palms got greased for that approval. Because no honest engineer would allow that much load being added to a 50 year old structure.


As is usually the case in commercial reconstruction project the plans for the renovations are designed by an architectural firm AND signed off by a licensed Engineering firm. This is a complete failure of the engineering firm. The building department of any locality does not have the expertise to properly evaluate a complex project like this…


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Posts: 7291 | Location: In transit | Registered: February 19, 2013Reply With QuoteReport This Post
Tinker Sailor Soldier Pie
Picture of Balzé Halzé
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It certainly wouldn't be the first time an engineering firm failed to do the proper load calculations and essentially rubber stamped the blueprints. The Hyatt Regency collapse in 1981 is a stark example.

https://en.wikipedia.org/wiki/...ncy_walkway_collapse



~Alan

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Posts: 31449 | Location: Elv. 7,000 feet, Utah | Registered: October 29, 2012Reply With QuoteReport This Post
Drill Here, Drill Now
Picture of tatortodd
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quote:
Originally posted by smlsig:
This is a complete failure of the engineering firm. The building department of any locality does not have the expertise to properly evaluate a complex project like this…
Too soon to leap to that conclusion. I've personally been on too many failure investigations and read too many failure investigations as well. For example, from 2018 to 2024 I was on my employer's industry high value learnings (aka catastrophic, expensive failures frequently accompanied by deaths or life altering injuries) committee where we looked at competitor's incidents and tried to prevent them from happening to us. The day 1 "cause" is rarely right and the media is even less likely to be right.

Just as likely could be contractor not following engineering firm's plans, could be forged test certificates for the steel, could be geotechnical firm didn't take enough samples and there is unknown discontiunous soil which "threw off" the engineer's reinforcement calculations for the additional floors, could be there is a leaky water main running down one side of the building undermining the foundation, could be a combination of the aforementioned, etc.



Ego is the anesthesia that deadens the pain of stupidity

DISCLAIMER: These are the author's own personal views and do not represent the views of the author's employer.
 
Posts: 25580 | Location: Northern Suburbs of Houston | Registered: November 14, 2005Reply With QuoteReport This Post
Keeping the economy moving since 1964
Picture of chbibc
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Originally posted by tatortodd:
Too soon to leap to that conclusion. I've personally been on too many failure investigations and read too many failure investigations as well. For example, from 2018 to 2024 I was on my employer's industry high value learnings (aka catastrophic, expensive failures frequently accompanied by deaths or life altering injuries) committee where we looked at competitor's incidents and tried to prevent them from happening to us. The day 1 "cause" is rarely right and the media is even less likely to be right.

Just as likely could be contractor not following engineering firm's plans, could be forged test certificates for the steel, could be geotechnical firm didn't take enough samples and there is unknown discontiunous soil which "threw off" the engineer's reinforcement calculations for the additional floors, could be there is a leaky water main running down one side of the building undermining the foundation, could be a combination of the aforementioned, etc.


Spot on. I'd also be interested to know if any "value engineering" occurred.


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Posts: 9074 | Location: Rochester, NY behind enemy lines | Registered: March 12, 2002Reply With QuoteReport This Post
Drill Here, Drill Now
Picture of tatortodd
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quote:
Originally posted by chbibc:
Spot on. I'd also be interested to know if any "value engineering" occurred.
Good one (aka $60 per day 3rd world engineering instead of $160+ per hour 1st world engineering)



Ego is the anesthesia that deadens the pain of stupidity

DISCLAIMER: These are the author's own personal views and do not represent the views of the author's employer.
 
Posts: 25580 | Location: Northern Suburbs of Houston | Registered: November 14, 2005Reply With QuoteReport This Post
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