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Started By
Message
re: River Flooding in the Ohio Valley coming to Louisiana in mid March
Posted on 3/1/18 at 9:46 am to 50_Tiger
Posted on 3/1/18 at 9:46 am to 50_Tiger
quote:
Isn't ORCS what everyone is worried about though?
Yes, it's old and has only received a few major tests throughout its existence. In 2011 it moved slightly but not enough to raise alarms. The fear is that if it ever fails during a major flood the Mississippi would redirect itself through the Atchafalaya since that's it's natural flow anyway. If that were to ever happen, it would be one of the biggest economic disasters this country has ever faced.
1
Posted on 3/1/18 at 9:47 am to 50_Tiger
quote:
Isn't ORCS what everyone is worried about though?
Yeah, but a higher Red River wouldn't add any load to the ORCS. It may actually help the ORCS by reducing the water differential across the structure. Although, my guess is that would be very minimal.
Posted on 3/1/18 at 11:21 am to poops_at_parties
quote:
I know someone who lives in Donaldsonville next to the levee there. In 2011 she started noticing moist spots on her floor inside her home. Called out plumbers, thinking a pipe was burst in her slab. No pipe issues.
Then the yard started having sand boils and within a few days after they showed up, her back yard was flooded with about 6" of water from seepage.
When the river went down the moist spots on her floor dried up and her yard dried up.
Every year since then, when the river comes up she has the same problem but it's a little worse than the year before.
The NFIP refuses to pay for any more damage to her home from her flood insurance policy since it happens every year. I believe she's suing them now, but it doesn't appear she's going to win.
The THEORY is, and again it's just a theory, is that there's a slurry under ground from the river extending into a small part of Donaldsonville and that each year the river comes up, the tremendous amount of pressure from the high levels pushes water further and further into that slurry.
Supposedly the ACE is concerned that if that slurry has enough pressure forced into it, it could potentially create a sinkhole, which would immediately open Donaldsonville and surrounding areas up to massive amounts of flooding. The chance is there for a catastrophe but yet nobody seems to be concerned or trying to do anything about it.
If that ever happens, every lawyer in the state will be there since the NFIP apparently knows about the problem but FEMA and the ACE aren't doing anything about it.
I can't back this story up with links or any other way of proving that it's fact since I'm just repeating what the homeowner has told me.
I was in Monroe back in '91 when we had a massive flood and there were people up and down the Ouachita that had similar issues. It took the city years to fix even the most-used roads that buckled because of this.
Posted on 3/1/18 at 12:16 pm to Bard
quote:
caused enough bubbling in and around Farr Park to have to rebuild a good chunk of the straigtaway on the River Road
That is a known seepage area and the Corps/PLD had plans to raise River Road there before 2011. The issue was not the condition of the road, but the fact that the minimum factor of safety was not present at the levee toe. In order to increase the FOS to their own minimum standards, they had to raise River Road with fill to create that FOS. Multiple seepage reports done for private developments in that area had identified the deficiency.
quote:
In 2011 she started noticing moist spots on her floor inside her home
Some Lake Beau Pre' houses get water up thru the joints in their driveway, garages and even some in their main living areas thru slab cracks during high river events such as 2011. The townhomes do not because the developer installed a french drain system under those. The apartments that wrap the corner had seepage coming up thru the parking lot joints in 2011. Riverbend has problems with seepage from sand boils. That entire area is susceptible to those issues because of sand layers down below the clay cap. Same issues but to a lesser extent around the vet school.
Posted on 3/1/18 at 12:30 pm to LSUengr
Anyone know how the 3 rivers area is affected? My dad and brothers have a camp there -- it's flooded once in 2011 and recently (can't remember the year) they had to move everything out due to expected flooding.
I think if my dad has to go through that again, he'll either sell his share to my brothers or they'll all decide to just bail.
I think if my dad has to go through that again, he'll either sell his share to my brothers or they'll all decide to just bail.
Posted on 3/1/18 at 1:09 pm to ell_13
It's like the Advocate wants this event to be something else... Can't quite put my finger on it.
There's this chart.
And then the "journalist" writes this.
I must not know what far more frequently means, because it looks like the Bonnet Carre was opened 4 times in 10 years between 1973 and 1983.
https://www.theadvocate.com/new_orleans/news/article_ee25a4b2-1ce8-11e8-8e42-e3449d73a48a.html
There's this chart.
And then the "journalist" writes this.
quote:
The Corps traditionally has needed to open the spillway about once a decade but has had to use it far more frequently in recent years.
I must not know what far more frequently means, because it looks like the Bonnet Carre was opened 4 times in 10 years between 1973 and 1983.
https://www.theadvocate.com/new_orleans/news/article_ee25a4b2-1ce8-11e8-8e42-e3449d73a48a.html
Posted on 3/1/18 at 1:37 pm to LSUengr
quote:
Some Lake Beau Pre' houses get water up thru the joints in their driveway, garages and even some in their main living areas thru slab cracks during high river events such as 2011. The townhomes do not because the developer installed a french drain system under those. The apartments that wrap the corner had seepage coming up thru the parking lot joints in 2011.
Water seepage in lake beau happens way more often than just during record level river events. In the townhomes water seeps out of the ground and through the cracks in the parking lot every year the river gets high. It makes it looks liked it just stormed all day every day.
Posted on 3/1/18 at 1:45 pm to PhilemonThomas
That graph shows a clear rain cycle of 20-25 years.
Meaning we might have a hurricane Andrew soon.
Meaning we might have a hurricane Andrew soon.
Posted on 3/1/18 at 1:48 pm to theunknownknight
quote:
Meaning we might have a hurricane Andrew soon.
Well Gustav was worse than Andrew for LA so we already had one.
Posted on 3/1/18 at 1:56 pm to The Boat
quote:
In the townhomes water seeps out of the ground and through the cracks in the parking lot every year the river gets high
They should have placed visqueen under the slab.
Posted on 3/1/18 at 6:42 pm to TDsngumbo
Another 2 inches of rain and more flooding where I am.
Posted on 3/1/18 at 6:43 pm to TigerFanatic99
This flood should build a lot of land at the two mouths. 2011 built quite a bit
Posted on 3/1/18 at 6:44 pm to jimbeam
quote:
This flood should build a lot of land at the two mouths. 2011 built quite a bit
Yeah the mud harvest should be great this spring.
Posted on 3/12/18 at 2:06 pm to The Boat
Forecast up to 43.5 in Baton Rouge now. Bumped up a half a foot from Red River Landing south through Donaldsonville.
Posted on 3/12/18 at 2:36 pm to poops_at_parties
Friday evening. I believe it was around 40 feet then. A couple of morons like that beached whale on the “E” were wading up to their knees in to the river.
This post was edited on 3/12/18 at 2:39 pm
Posted on 3/12/18 at 2:40 pm to poops_at_parties
quote:
In 2011 it moved slightly
Things grandpa would say for $200, Alex.
Posted on 3/12/18 at 2:40 pm to Loungefly85
For reference...
This post was edited on 3/12/18 at 2:42 pm
Posted on 3/12/18 at 2:41 pm to The Boat
quote:
Yeah the mud harvest should be great this spring.
Mud harvest was too great. Crawfish prices going up.
Posted on 3/12/18 at 2:41 pm to poops_at_parties
Misspelled "Rudge"
Posted on 3/12/18 at 2:43 pm to Jim Rockford
quote:
Misspelled "Rudge"
Misspelled "Batin", too.
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