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Started By
Message
re: Morganza Spillway may or may not open for a 3rd time -- lack of clear info from ACoE
Posted on 2/28/19 at 4:15 pm to LSUFanHouston
Posted on 2/28/19 at 4:15 pm to LSUFanHouston
quote:
But we can put oil and other chemicals in 48 in pipes and send it hundreds of miles. Yes, sediment isn't liquid, but maybe they can send the liquid with the sediment suspended in it... I don't know. It just seems like it's a huge opportunity to solve two problems at once.
Sand is the bane of a pump impeller. Add to it the distance and its just too cost prohibitive. It's a shame we'll have to watch it drift off the shelf.
1
Posted on 2/28/19 at 4:21 pm to JudgeHolden
quote:
I saw a priest sprinkling holy water on the levees that year
Well that’s comforting
Posted on 2/28/19 at 4:34 pm to JudgeHolden
quote:The drops that broke the levee’s back??
saw a priest sprinkling holy water on the levees that year.
Posted on 2/28/19 at 4:59 pm to WizardSleeve
quote:
Going 60/40 in favor of the Atchafalaya was not in the design. I think sedimentation of the MS river has caused this unexpected outcome. They just can't flow the design flow down the MS river because the bed is too high and it will overtop levees downstream of the ORCS and Morganza. This is def starting to get into danger territory for the system.
My thoughts exactly. As the Miss silts up, it will essentially force a higher proportion of flow going to the Atchafalaya. My question is what happens when that 60/40 proportion goes over the allowable capacity of ORCS?
Do they choose between flooding lower Louisiana or overloading ORCS?
Posted on 2/28/19 at 5:01 pm to NYNolaguy1
quote:
Do they choose between flooding lower Louisiana or overloading ORCS?
Easy answer is you flood lower Louisiana. You do that any day, every day due to the economic & logistics nightmare if you don't.
Posted on 2/28/19 at 5:06 pm to MrLSU
quote:
Easy answer is you flood lower Louisiana. You do that any day, every day due to the economic & logistics nightmare if you don't.
This. I mean, what all is going to flood in the Atchafalaya Basin other than Morgan City? There's not that many people down there. You keep the main channel of the Mississippi safe at all costs. That's where over a million people live along with a huge chunk of the nation's refining and chemical producing capacity. That's where the pipelines and shipping terminals are.
If Morgan City gets destroyed, it's a tragedy.
If Baton Rouge and New Orleans become inaccessible to ocean-going ships and the salt-water wedge moves upstream of Jefferson Parish, it's a f&%king catastrophe with nearly a million people losing their drinking water supply as well as the mothballing of entire industries.
I'm sorry, but Baton Rouge and New Orleans are far more important than Melville, Krotz Springs, Pierre Part, and Morgan City.
This post was edited on 2/28/19 at 5:09 pm
Posted on 2/28/19 at 5:10 pm to kingbob
They can damn off Bayou Chene like they did in 11 and protect Morgan city
Posted on 2/28/19 at 5:24 pm to MrLSU
quote:
Major flooding near Memphis
When I talked to our people up there last week they said they didn’t anticipate any problems. Today they were flying drones all over the area because we are about to have serious issues.
Posted on 2/28/19 at 5:27 pm to NYNolaguy1
quote:
Do they choose between flooding lower Louisiana or overloading ORCS?
I just read in an online info-brochure for the ORCS that max capacity is only 700 CFS. We are at 550+ currently. Most extra flow will go down the morganza floodway in order to save BR and NOLA areas. The Morganza has only been opened in '73 and '11. This year may be the 3rd time ever it opens. If they open Morganza, the ORCS is saved (or at least not forced beyond design capacity) and the entire atchafalaya basin is heavily flooded. Morgan City isn't destroyed in this scenario as the entire flow of the Mississippi doesn't switch down the Atchafalaya. It may flood, however. This is at least what I understand about it all after researching today. Not an expert.
Posted on 2/28/19 at 5:33 pm to kingbob
quote:
If Morgan City gets destroyed, it's a tragedy. If Baton Rouge and New Orleans become inaccessible to ocean-going ships and the salt-water wedge moves upstream of Jefferson Parish, it's a f&%king catastrophe with nearly a million people losing their drinking water supply as well as the mothballing of entire industries.
You're assuming that the ORCS holds together Iirc there is the idea that allowing such large amounts could jeopardize the integrity of the structure.
Posted on 2/28/19 at 5:36 pm to NYNolaguy1
quote:
Do they choose between flooding lower Louisiana or overloading ORCS?
Eventually, THEY won't choose.
The river will.
This post was edited on 2/28/19 at 5:38 pm
Posted on 2/28/19 at 5:36 pm to FelicianaTigerfan
Have there been any efforts to reinforce ORCS? Every year we hear that it can’t handle this and can’t handle that. Then in 2011 it shifted about an inch. It’s 2019. It’s time to create an engineering marvel.
This post was edited on 2/28/19 at 5:37 pm
Posted on 2/28/19 at 5:38 pm to TDsngumbo
Wouldn't surprise me if the Chinese already have the exact engineering marvel you just referenced for this project...
Posted on 2/28/19 at 5:44 pm to Ron4LSU
quote:
Wouldn't surprise me if the Chinese already have the exact engineering marvel you just referenced for this project...
Me neither. The Yengtze River isn't quite as long as the Mississippi, but it puts out twice as much water.
Posted on 2/28/19 at 5:45 pm to Ron4LSU
Should BR residents start preparing for the worst?
Posted on 2/28/19 at 5:46 pm to TDsngumbo
I know they did a lot after 2011 but unsure how much or if its gonna work.
The scouring after the spillway was opened was impressive
The scouring after the spillway was opened was impressive
Posted on 2/28/19 at 5:49 pm to Walt OReilly
quote:
Should BR residents start preparing for the worst?
Flood insurance has a 30 day wait period.
Posted on 2/28/19 at 6:33 pm to kingbob
quote:
I'm sorry, but Baton Rouge and New Orleans are far more important than Melville, Krotz Springs, Pierre Part, and Morgan City.
Can the State of Louisiana declare an emergency declaration first though to save New Iberia and its world famous barber shops?
Posted on 2/28/19 at 7:07 pm to MrLSU
Why would NI be in danger
Posted on 2/28/19 at 7:15 pm to TDsngumbo
Anyone recommend a good site to keep up with the Amite River? Specifically in the Greenwell Springs/Baywood area. Have some elderly family over in that area, had a close call in '16
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