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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 3/6/19 at 5:45 pm to FelicianaTigerfan
Posted on 3/6/19 at 5:45 pm to FelicianaTigerfan
quote:
Dats in La baw
Thanks, baw. My bad. The punctuation in the original quote threw me.
quote:
deer park near Blackhawk. Ill
0
Posted on 3/6/19 at 5:56 pm to Mudminnow
Posted on 3/6/19 at 6:14 pm to Mudminnow
The only thing besides the water that would make this worse would be if an Earthquake hit in the midwest (Tenn/Missouri/Arkansas/Miss areas) because that could really undermine levees and cause massive sand boils to form.
Posted on 3/6/19 at 6:33 pm to TDsngumbo
quote:
TDsngumbo
quote:
rain models don’t look promising
You really should edit that part of the title out. Little too much hype.
Posted on 3/6/19 at 7:03 pm to MrLSU
Great shot from atop the BCS. I always wondered how those pins were manipulated.
Posted on 3/6/19 at 7:31 pm to 200MPHCOBRA
That's interesting to see. I didn't know the tops of the pin assemblies were hinged. I wonder how the bottom of the pin assembly is fastened to the river side of the bays.
Back in the '70s and '80s, the pins were lifted vertically and then laid horizontally across the tops of tbe open bays. At least that's what it looked like was happening.
Back in the '70s and '80s, the pins were lifted vertically and then laid horizontally across the tops of tbe open bays. At least that's what it looked like was happening.
Posted on 3/6/19 at 7:52 pm to White Roach
I thought the pins were just held in by water pressure. Riverside water pressure just pushes them against a bottom beam.
They just lift up like a trap door.
They just lift up like a trap door.
Posted on 3/6/19 at 8:12 pm to Meauxjeaux
That's what it looks like is happening in the pic posted. My question is, what's holding the bottom end of the pin to the riverside of the bay? I don't see where it's fastened on the river side to the lip of the bay. The hinges on the top/spillway side are visible.
Edit: What's holding up the bottom of the pin when it's in the open position?
Edit: What's holding up the bottom of the pin when it's in the open position?
This post was edited on 3/6/19 at 8:15 pm
Posted on 3/6/19 at 8:17 pm to TDsngumbo
Was at L’auberge Again today. Big difference since a couple of weeks ago. Still another foot to go.
Posted on 3/6/19 at 8:34 pm to White Roach
I don't think that's the Bonnet Carre Spillway structure in that picture. The Bonnet Carre has giant timbers or steel beams that are not hinged and are just lifted vertically straight out of the structure and laid down horizontally across the top of it using a couple of cranes on rails at the edges. Check this video out.
Times Picayune timelapse, complete with old-timey music and a bunch of pictures showing how it works.
Times Picayune timelapse, complete with old-timey music and a bunch of pictures showing how it works.
This post was edited on 3/6/19 at 8:41 pm
Posted on 3/6/19 at 8:34 pm to TigerstuckinMS
agreed. Don’t they use a crane to open the BC?
Posted on 3/6/19 at 9:12 pm to jimbeam
Yes
Posted on 3/6/19 at 11:11 pm to TigerstuckinMS
Thanks for the Bonnet Carre Spillway pic. I've seen them opening in person twice and on local the news several other times. Your pic is what I remembered seeing.
Someone said the other pic was the BC. I thought maybe there was a possibility that it had been redesigned in the past 10 or 15 years. Why, I wouldn't know. I'm of the If It Ain't Broke, Don't Fix It school of thought.
Someone said the other pic was the BC. I thought maybe there was a possibility that it had been redesigned in the past 10 or 15 years. Why, I wouldn't know. I'm of the If It Ain't Broke, Don't Fix It school of thought.
Posted on 3/6/19 at 11:11 pm to fishfighter
quote:
think to open Morgana spillway, river has to get above 44.5'. Don't bank on that number. Past that way yesterday and the water in the farbay is super high.
They have to meet 2 thresholds. Height, and flow. They’ve reached height, just waiting on the 1.5 flow (which is really close)
I know the new in BR reported it was close today then retracted it. Unreported there was some form of meeting in Point Coupe ya some point and this evening a friend of mine sent me a Snap Chat video from a farm they do cane on in the spillway. They were hauling shite out out. Gave me the feeling they were told unofficially that it will happen.
Posted on 3/6/19 at 11:54 pm to White Roach
quote:Definitely not redesigned. That video and pictures are from when they opened it up last week.
Someone said the other pic was the BC. I thought maybe there was a possibility that it had been redesigned in the past 10 or 15 years. Why, I wouldn't know. I'm of the If It Ain't Broke, Don't Fix It school of thought.
Posted on 3/7/19 at 12:40 am to FelicianaTigerfan
I'm not necessarily worried what rain upstream moves the needle any. It's the prolonged high water that appears to be the state of the river all springtime. Make sure all the flood control strucutres can hold up over a long time with the forces.
Posted on 3/7/19 at 12:40 am to TigerstuckinMS
Gotcha. Like I said, someone said the first pic was the Bonnet Carre and the hinges caught my eye.
The thing is close to 95 years old and has only been opened about 15 or 16 times. Doesn't seem like a redesign/retrofit would happen now. Any design problem making a redesign
necessary would have been discovered years ago.
The thing is close to 95 years old and has only been opened about 15 or 16 times. Doesn't seem like a redesign/retrofit would happen now. Any design problem making a redesign
necessary would have been discovered years ago.
Posted on 3/7/19 at 12:44 am to FelicianaTigerfan
I read on TD (not sure if it was this thread or one of the others) that the Corps needs to give two weeks notice to property owners in the Morganza before opening to allow them to mitigate their property losses. Not sure if it's by mail, posting in the local papers or what.
Posted on 3/7/19 at 4:42 am to TigerstuckinMS
Thanks for the clarification, I assumed wrong. Any idea which structure is the first pic?
Posted on 3/7/19 at 6:37 am to FelicianaTigerfan
quote:
. They were hauling shite out out. Gave me the feeling they were told unofficially that it will happen.
I am hearing the same thing from some friends that has equipment in the basin.
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