Posted on 06/02/2023 7:44:03 PM PDT by Libloather
A Yale University building under construction in New Haven, Connecticut partially collapsed on Friday and left eight people injured with two of them in critical condition.
The collapse happened at an apartment block on Lafayette Street at around 12.30pm when crews were pouring concrete.
Part of the second floor fell into the first floor and into the basement at the building site where 36 people were working.
It left eight construction workers injured with six of them pulled out of the building by first responders and the other two were able to escape on their own.
New Haven Fire Department responded to the building collapse immediately and found some with broken bones while three others were buried under the rubble.
Hospital officials said none of the injuries are life-threatening.
Fire fighters managed to rescue all those hurt and everyone else on the site, which is being converted into a seven-story residential building, were accounted for.
And first responders had to be quick to rescue the victims because the concrete was drying.
'Our units responded immediately within minutes and found several persons in varying degrees of injury, from broken bones to three that were partially buried under the rubble,' Fire Chief John Alston Jr. said.
Workers at the site told first responders the concrete was being poured faster than they could spread it, and it pooled too much in one area and caused the collapse.
New Haven Mayor Justin Elicker said: 'They were doing a concrete pour on this building and as they were pouring concrete a portion of the second floor collapsed onto the first floor and then into the basement.'
He confirmed the property is owned by Yale University and is being developed into a seven-story residential building by RMS Companies, based in Stamford, Connecticut.
(Excerpt) Read more at dailymail.co.uk ...
Engineering diversity is our strength?
The engineering and general contracting firms had outstanding ESG scores to win the contract. What possibly could have gone wrong?
“The engineering and general contracting firms had outstanding ESG scores to win the contract. What possibly could have gone wrong?”
Building collapses?
HOWEVER
I bet dollars to donuts that a contract with Yale probably incentivizes or requires diverse engineering hires, just like the Florida International University bridge collapse - up until the day of the disaster FIU was bragging on the women-owned engineering firm they hired to do the work.
Needs FResearch.
The structural engineer cannot control the actions of the contractor.
I've see 6 inch deflection in steel structures just pouring 4 inch floors.
HVAC guys will complain the most .....
“ The structural engineer cannot control the actions of the contractor.”
*******************************************
That’s true. I’m sure the investigation will determine the cause(s).
The college that is named after a slave-trader.
But the name is worth $ and status, so they’re keeping it.
Maybe they forgot to calculate the factor of safety needed to withstand a heavy point load on the floor system. Or they forgot to factor in the weight of the concrete as part of the floor system.
As for contractor, I guess they forgot to toss their air vibrator in the pour to settle the concrete.
The architect only left the MEP guys 1” of slop to get in the lights + sprinkler + ductwork, so they’re probably justified in griping.
Six folks pictured at the link. Four guys whose names end in vowels, and two women with hispanic names.
However, 188 Lafayette is not on Lessard's website as part of their portfolio.
The inspector can.
I’ve seen a lot of concrete placed for highways, bridges, industrial buildings and institutional buildings.
Depending on the structural design, certain requirements exist like the length of the weld to tie floor joists to embeds or other steel.
I’ve seen contractors try to glue embeds in walls and use the same epoxy incorrectly for anchors that weren’t compatible.
Was the Q deck correct?
Was the pump operator in communication with the concrete crew?
Was a slump test done with the result being within spec.
I’m curious.
Has Yale fixed New Haven yet?
6 inch deflection?
I used to install fuel ust’s. 2 inches would be a major issue.... Same with the guys installing shoring for the tank holes.
Egg up a fiberglass or frp-coated tank, your ass was in a sling. Liability was 10 million. You did it right or you didn’t do it at all.
Per tank.
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.