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re: MSY Terminal Plumbing Issues due to desire to be cheap

Posted on 8/15/19 at 9:25 am to
Posted by Y.A. Tittle
Member since Sep 2003
109611 posts
Posted on 8/15/19 at 9:25 am to
quote:

Why haven’t there been any issues with the runways and whatnot sinking after all these years?




They've been in place for decades and they've mostly sunk all they can sink. They were also presumably constructed properly with that in mind.
Posted by Anaximander
3524 Third St New Orleans, LA
Member since Jun 2018
3412 posts
Posted on 8/15/19 at 9:26 am to
quote:

Why haven’t there been any issues with the runways and whatnot sinking after all these years?


The runways have ironclad requirements from the FAA in the way they are built. And there still have been issues. A tunnel under the East-West runway caused a bump due to the rest of the runway sinking which led to the most recent renovation of the runway.

https://www.nola.com/news/article_fee9fa09-29fe-5d22-8ee2-bd7b9e621843.html
This post was edited on 8/15/19 at 9:29 am
Posted by Napoleon
Kenna
Member since Dec 2007
73161 posts
Posted on 8/15/19 at 9:53 am to
The current issues are the congestion of the drop off and pick up areas. Now they are in separate sides of the airport and there are roads to each including traffic circles. It's not one road that forks at the last second.
Three lanes on loyola will go straight. Will it suck? Yes, but more so for people who use Loyola daily.
I don't think getting to the airport will be that bad
Posted by LNCHBOX
70448
Member since Jun 2009
88664 posts
Posted on 8/15/19 at 9:55 am to
quote:

I don't think getting to the airport will be that bad




You're taking all the traffic off the current access road and funneling it through one of two intersection that aren't designed for it. It is going to be bad.
Posted by tickfawtiger
Killian LA
Member since Sep 2005
11509 posts
Posted on 8/15/19 at 10:04 am to
Typical NOLA fouled up 'project' ! Great monument to the Landrieu 'mafia'...LOL
Posted by nismosao
Slidell
Member since Mar 2008
933 posts
Posted on 8/15/19 at 10:05 am to
I haven't read everything, but I'm an electrical engineer who is doing multiple projects with Kenner right now. Their idiot inspectors have put together a code book, but nowhere in there does it say how often hangers are required. On our project, we specified hangers every 5 feet. They came out, inspected it, and shut the job down, indicating that it had to be every 3 feet. We asked what the code requirement was and where could we find it.

Here is their answer: You can find it posted on the FRONT DOOR OF OUR OFFICE. So some dipshit taped a document on their front door, as if anyone would go to their front door to know their code requirements.

So the inspector may have warned them, but I guarantee that it was after construction had been completed in that area. On my project, the Owner paid for a change. But for most projects, that would not get implemented.
Posted by Anaximander
3524 Third St New Orleans, LA
Member since Jun 2018
3412 posts
Posted on 8/15/19 at 10:06 am to
quote:

 there are roads to each including traffic circles.


New Orleans Drivers and traffic circles....lol.
Posted by LSUFanHouston
NOLA
Member since Jul 2009
40200 posts
Posted on 8/15/19 at 10:24 am to
quote:

Its not the lack of hangers its the building sinking.

The soil isnt droping fast enough to crack the pipes its the building settling and pushing on the hangers that is cracking the pipe



Wouldn't the soil be helping to hold the pipes to the underside of the building, though?

And if the soil is no longer doing that (because the soil level dropped), then the hangers will take on more of the stress?

It's really concerning these pipes are breaking when relatively empty.
Posted by LSUFanHouston
NOLA
Member since Jul 2009
40200 posts
Posted on 8/15/19 at 10:25 am to
quote:

Why haven’t there been any issues with the runways and whatnot sinking after all these years?


Same reason a washing machine you bought 30 years ago might still work today, but one you bought 5 years ago is already broken.

Stuff was just constructed better back in the older days.

Over time, the runways have had some issues which have had to be fixed, but nothing this quickly.
Posted by ScaryClown
Member since Nov 2016
5847 posts
Posted on 8/15/19 at 10:27 am to
Mitch Landrieu is a disgrace
Posted by TigerWise
Front Seat of an Uber
Member since Sep 2010
35131 posts
Posted on 8/15/19 at 10:28 am to
quote:

Three lanes on loyola will go straight.


With one turning lane to get on I-10 East.
Posted by Klingler7
Houston
Member since Nov 2009
12545 posts
Posted on 8/15/19 at 10:31 am to
I am a tenant at Atlantic. The roads in and out of that new terminal is going to cause headaches. No word when Atlantic will move, if ever ?
This post was edited on 8/15/19 at 10:32 am
Posted by Kadjin
edge of the basin
Member since Oct 2013
1291 posts
Posted on 8/15/19 at 11:10 am to
Fat finger down vote, my bad

In my experience every time you try to save a nickel in the front it costs you a dollar in the back
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
11473 posts
Posted on 8/15/19 at 11:38 am to
quote:

You're taking all the traffic off the current access road and funneling it through one of two intersection that aren't designed for it. It is going to be bad


Not all, just remember if you rent a car you have to go to the other side to return it still. Then get onto a shuttle to bring you to the new terminal.

There will be some pain early on especially if they are trying to remedy the problem with more construction. JBE/Jindal/DOTD should have planned this better and started construction 4 years ago. That way we’re not tearing up asphalt that was just laid for this temporary fix they just did.
Posted by WhiteMandingo
Member since Jan 2016
7439 posts
Posted on 8/15/19 at 11:58 am to
Empty has nothing to do with it

Put your hand straight out smack it with your fist it will give so the blow wont be as severe
Now lay your hand flat on a flat surface and see what happens the blow hurts more because the surface had no give.

Posted by WhiteMandingo
Member since Jan 2016
7439 posts
Posted on 8/15/19 at 12:07 pm to
The bldg is built on pile caps so pilings are driven into the ground in tight clusters then rebar and concrete are added making a pedestal below the surface then the re bar is tied into concrete pilings or columns and that is what comes out the ground and then built on.

If these clusters are sinking (which they are) its going down and the pipe stuck in the soil being held up by the soil around it the you have a hanger connected to the bottom of the slab pushing down on pvc pipe causing the pressure points thus causing broken pipes
Posted by doubleb
Baton Rouge
Member since Aug 2006
41735 posts
Posted on 8/15/19 at 12:38 pm to
In every area there are local code authorities that have rules that sometimes surpass the code books. Local contractors normally know these local rules and compensate for them.

Were the plumbing contractors at the new airport local?
Posted by doublecutter
Member since Oct 2003
7003 posts
Posted on 8/15/19 at 1:01 pm to
quote:

Were the plumbing contractors at the new airport local?


Yeah. It would be interesting to see a list of the all the subcontractors.
Posted by TigerWise
Front Seat of an Uber
Member since Sep 2010
35131 posts
Posted on 8/15/19 at 1:17 pm to
quote:

Were the plumbing contractors at the new airport local?


Either a friend of Mitch or a minority owned business
Posted by tigeraddict
Baton Rouge
Member since Mar 2007
14381 posts
Posted on 8/15/19 at 1:18 pm to
quote:

If the installing contractor wanted to deviate from the contract documents (assuming the contract documents specified the correct spacing for hangers to comply with the code, I think 18 inches on center), it received permission from the CMAR, architect, and engineers.


Hanger spacing on underground sanitary waste & Vent piping depends on if they were installing PVC or Cast iron Service Weight pipe.

quote:

7.3.2 CAST-IRON soil pipes shall be supported at not more than 5’ intervals for 5’ length pipe and not more than 10’ intervals for 10 foot length pipe. Where used under concrete floors slabs on grade or fill, pipe shall be hung with at least ¼ inch type 316 stainless steel hangers secured in the slab above.


quote:

7.3.8 PLASTIC PIPE UNDERGROUND. (a) Plastic pipe (underground soil, waste and vent piping under concrete slab). Where used under concrete floor slabs on grade or fill, pipe shall be hung with at least ¼ inch type 316 stainless steel hangers. Hangers shall be spaced at not more than four foot intervals and steel hangers shall have a 6” long protective collar or half sleeves of plastic, not less than Schedule 40 or corrosive resistant metal of equal strength, between hangers and underground piping.


i am not familiar with his project by any means, but i would imagine the EOR decided to list 2' on center for all underground hangers and the contractor wanted to go to something closer to what the code stipulates as a cost saving "value Engineering" option. and the EOR was ok with 3' on center ad a $22k credit was given and accepted.

if i had to guess, the sewer issues they are seeing are not due to failure of design, but are either due to poor installation/QC check, or the installation was damaged by another trade coming after the plumber.

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