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re: New Orleans levees sinking faster than planned
Posted on 7/9/19 at 11:42 am to McLemore
Posted on 7/9/19 at 11:42 am to McLemore
I'm quite sure there's a breach in the levee around here. There's been a ton of water building up on Patterson this past month. I wouldn't want to be living around there.
This post was edited on 7/9/19 at 11:43 am
1
Posted on 7/9/19 at 11:42 am to Damone
I don't think these are the river levees those are in pretty good shape.
Posted on 7/9/19 at 11:45 am to Aubie Spr96
quote:
Nature is going to win that battle. 100%.
They need to put gates on the Chef and the Rigolets and just say screw Mississippi..
There's going to be a surge there anyway with a storm..
Posted on 7/9/19 at 11:45 am to BowDownToLSU
what is the sink rate?
Posted on 7/9/19 at 11:45 am to BowDownToLSU
Former Louisiana State University scientist Ivor Van Heerden, who led the Team Louisiana investigation of the Katrina levee failures, said sections of levee along the upper Industrial Canal were observed before Katrina sinking at a rate of about 2 feet over 20 years.
Well there are two locks which protect this area from being inundated. The upper Industrial Canal would mean that New Orleans East outside of the INHC/Seabrook protection lock system is vulnerable.
Well there are two locks which protect this area from being inundated. The upper Industrial Canal would mean that New Orleans East outside of the INHC/Seabrook protection lock system is vulnerable.
Posted on 7/9/19 at 11:54 am to sacrathetic
So the two options are New Orleans floods or the river changes course and it’s dry docked?
Posted on 7/9/19 at 11:56 am to pizzatiger
What part of begin planning doesn't register?
15 downvotes and counting, good example as to why LA is last in just about every statistical category.
15 downvotes and counting, good example as to why LA is last in just about every statistical category.
Posted on 7/9/19 at 11:59 am to BowDownToLSU
What's sad is the fact that settlement in this region is well known and taken into consideration in the design phase. Why they chose to overlook after being told by Van Heerden is criminal.
Posted on 7/9/19 at 12:01 pm to Damone
You realize the levees they are referring to have nothing to do with the river, right?
Posted on 7/9/19 at 12:03 pm to BowDownToLSU
Wow you always must account for lost material and error uncertainty. Dummies
Posted on 7/9/19 at 12:04 pm to Tiger Ryno
quote:
All those people riding bicyles on top of it hasn't helped matters.
Hey fatboy, quit hating on the healthy folk.
Posted on 7/9/19 at 12:21 pm to BowDownToLSU
The ones in Metairie on Lake P are like 30ft high
Posted on 7/9/19 at 12:24 pm to BowDownToLSU
quote:
you build in freeboard.
What exactly does this mean?
quote:
“freeboard,” extra room at the top of the levees to account for anticipated sinking for the whole life of the project
How is there extra room at the top of a levee? the shape of the levees as far as I know are and elongated pyramid, wide base with a narrow top. So, does the freeboard mean make a wider top, i.e. wider base as well? it cant just mean pile extra dirt on top, right?
Posted on 7/9/19 at 12:28 pm to BowDownToLSU
Less freeboard means less explosives needed to allow floodwaters in that dump.
Posted on 7/9/19 at 12:29 pm to Emteein
quote:
How is there extra room at the top of a levee? the shape of the levees as far as I know are and elongated pyramid, wide base with a narrow top. So, does the freeboard mean make a wider top, i.e. wider base as well? it cant just mean pile extra dirt on top, right?
By freeboard, they mean, if you need 20 feet, you design and build 21, so yes, that would mean wider base and whatever else that entails. It also could mean additional walls and support for the taller walls on top of some levees.
Posted on 7/9/19 at 12:32 pm to Saintsisit
does anyone have an actual link to the report?
Posted on 7/9/19 at 12:32 pm to BowDownToLSU
Two parts - sinking and sea-level rise. Sea-level rise can be natural cycles or it can be man-made, for example, refusal to dredge the river causes the bottom to rise taller.
Everyone wants to bang on the USACE and they are generally a worthy party to blame, but this is more on Congress. USACE can only build what Congress authorizes AND funds.
And Congress has long shown that if you need a 20 feet levee, they will pay for that. If you want to build a 21 foot levee to account for these issues, they will pay for a 20 foot levee and kick the can down the road. Of course this ends up costing a lot more in the long run, but that's how Congress rolls.
Everyone wants to bang on the USACE and they are generally a worthy party to blame, but this is more on Congress. USACE can only build what Congress authorizes AND funds.
And Congress has long shown that if you need a 20 feet levee, they will pay for that. If you want to build a 21 foot levee to account for these issues, they will pay for a 20 foot levee and kick the can down the road. Of course this ends up costing a lot more in the long run, but that's how Congress rolls.
Posted on 7/9/19 at 12:36 pm to 19
quote:
Lost Causeway. From Mandeville to the Gulf.
The worlds longest fishing pier.
Posted on 7/9/19 at 12:36 pm to BowDownToLSU
New Orleans levees sinking faster than planned
translates to we need a really really big tax increase so we can waste money on parks in the inner city and NBR while we spend 5% of that money on the levees
translates to we need a really really big tax increase so we can waste money on parks in the inner city and NBR while we spend 5% of that money on the levees
Posted on 7/9/19 at 12:37 pm to upgrayedd
quote:
These assholes are either fear-mongering to get billions more or they're coming up with excuses to get more funding because they did a shitty job on the last project and need to fix it
The coastal restoration/protection industry will squander as many billions as they can get their hands on, and they know better than anyone that it's a lost cause.
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