Oroville Lake Spillways Damaged; City of Oroville, CA Evacuated - Page 2 - AcuraZine - Acura Enthusiast Community



Oroville Lake Spillways Damaged; City of Oroville, CA Evacuated

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Old 02-14-2017, 05:30 PM   #41
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Thanks I think.
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Old 02-14-2017, 06:05 PM   #42
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Quote:
Originally Posted by svtmike View Post
There are a bunch in this article about the state of the dam union.

Aging And Underfunded: America's Dam Safety Problem, In 4 Charts : NPR
The dam integrity in America is worrisome.
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Old 02-14-2017, 06:46 PM   #43
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The dam integrity in America is worrisome.
I saw a claim on the news last night that the designed life of a dam is typically 50 years. That sounded really short to me given the scale of some of these things.
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Old 02-14-2017, 08:50 PM   #44
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I saw a slide show with pictures today that shed some light onto what all is happening. It turns out that BOTH the auxiliary spill way and the emergency spill way have been affected by erosion. The emergency spill way runs over the parking lot and road next to the dam and has sustained significant erosion damage. The auxiliary spillway is what has mostly been focused on here, the concrete path with erosion as well. It's hard to sort out which is most concerning to officials right now, but the opening of the power generator chutes has reduced the level of the lake below the emergency spill way.

The link to the pictures is here with the emergency spillway erosion first: Dramatic photos: Damage to Oroville Dam spillways - SFGate

If you go back to articles the night of the evacuation the concern was the erosion at the emergency/auxiliary spillway (from the parking lot to the right). That erosion was moving uphill, toward the concrete face of the emergency/auxiliary spillway. If it continued officials thought that erosion could cause the concrete face of the emergency/auxiliary spillway to collapse, releasing up to 32 feet of lake level uncontrollably.

To avoid that, they increased flow on the main spillway (the concrete chute with the big ass hole in it) to 100,000 cubic feet per second. Double what it had been the previous couple of days.

At that time (Sunday night) inflow was less than 40,000 CFs and outflow was now at 100,000 CFs. That is how they got the lake level below the emergency/auxiliary spillway.

Monday they spent time reinforcing the eroded area near the face of the emergency/auxiliary spillway with rocks/boulders.

From what I've read, the main spillway (concrete chute; big ass hole) can't/won't be repaired until after the rainy season and until after the snowmelt season .... i.e., not until spring/early summer.


Here:


Last edited by Bearcat94; 02-14-2017 at 08:59 PM.
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Old 02-15-2017, 08:40 AM   #45
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It seems you and I are mixing the names of these. The slide show is calling the concrete chute the main/auxiliary spill way, and the wall with erosion damage underneath they are calling the emergency spill way. I think that makes sense given that the main flow of water is through the generators and any flow over the spillway would be an auxiliary path.
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Old 02-15-2017, 12:01 PM   #46
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am I really the first one to think of this???


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Old 02-15-2017, 12:12 PM   #47
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Old 02-15-2017, 12:12 PM   #48
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he can use his screen bottom air boat to drive up to the dam and repair it
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Old 02-15-2017, 12:24 PM   #49
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Old 02-15-2017, 12:59 PM   #50
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Old 02-15-2017, 03:19 PM   #51
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sanctuary state now wants federal funds?

lol forget it...
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Old 02-15-2017, 05:32 PM   #52
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And another uninformed dipshit wanders in to suggest that maybe those red counties should just be allowed to drown.
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Old 02-15-2017, 05:37 PM   #53
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Facts don't count when they don't fit the narrative
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Old 02-15-2017, 06:23 PM   #54
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Quote:
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And another uninformed dipshit wanders in to suggest that maybe those red counties should just be allowed to drown.
Maybe this is Moonbeam's way of trying to punish those red counties?
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Old 02-15-2017, 06:29 PM   #55
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Old 02-15-2017, 08:34 PM   #56
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Damn!
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Old 02-15-2017, 08:54 PM   #57
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And another uninformed dipshit wanders in to suggest that maybe those red counties should just be allowed to drown.
I guess your dumb self can't read

California could become a sanctuary state. What that means


https://www.yahoo.com/news/if-trump-...032117316.html

so yeah they can go get bent...

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Old 02-15-2017, 09:39 PM   #58
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Dam your dum.
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Old 02-15-2017, 10:22 PM   #59
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FFS
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Old 02-15-2017, 10:52 PM   #60
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Quote:
Originally Posted by oo7spy View Post
It seems you and I are mixing the names of these. The slide show is calling the concrete chute the main/auxiliary spill way, and the wall with erosion damage underneath they are calling the emergency spill way. I think that makes sense given that the main flow of water is through the generators and any flow over the spillway would be an auxiliary path.

Ahh. I see. I went back through the slideshow you posted and the captions have inconsistent naming, perhaps adding to the confusion. Other articles are even worse .... pic of one spillway, while talking about the other, etc.

Last edited by Bearcat94; 02-15-2017 at 10:54 PM.
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Old 02-16-2017, 06:06 AM   #61
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I was having that same issue when this all started Bearcat. Everyone was talking and showing pictures of one and called it another. I spent a while digging through pictures just to figure it all out. The diagram picture on the first page also is really good. I don't even watch news anymore cause they don't fact check things. I don't want to see the first person with the story I want to see the correct story. I know this is minor compared to some stuff they do but it all falls back to the same issue.
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Old 02-16-2017, 06:12 AM   #62
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I had no idea the hole was this big now. Been having to dig for news on this now cause all the major sites stopped worrying about it.

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Old 02-16-2017, 06:39 AM   #63
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Head injuries are a motherfucker.
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Old 02-19-2017, 11:54 AM   #64
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Looks like they've put a lot of rock and concrete in the area below the emergency spillway over the past week. The main spillway (@ 1:00) is still functioning, but heavily damaged.

Feb 18th:


Work in progress Feb 17th:

Levels, Inflow and Outflow over the past 12 hours:


http://rdcfeeds.redding.com/lakelevels/oro.cfm

Last edited by Bearcat94; 02-19-2017 at 11:59 AM.
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Old 02-20-2017, 12:57 PM   #65
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Originally Posted by stogie1020 View Post
am I really the first one to think of this???


Saw this on fb, been meaning to post it for a few days

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Old 02-20-2017, 01:03 PM   #66
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Edit2:

I have no idea what I'm talking about.



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Old 02-20-2017, 01:19 PM   #67
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I had no idea the hole was this big now. Been having to dig for news on this now cause all the major sites stopped worrying about it.

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Old 02-20-2017, 01:51 PM   #68
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they have a wet forecast for the next 2 days :ohnoes:
https://weather.com/weather/today/l/USCA0818:1:US
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Old 02-20-2017, 03:57 PM   #69
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Are they not worried with all the ground that has to be washing away along side the main spillway because it is so badly damaged? It has basically built a river path into the side of the hill because of the damage. I get that there is no other option really but I imagine it has to be weakening the remaining parts of the spillway. Kind of strange this has all but dropped out of the news now.
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Old 02-20-2017, 05:58 PM   #70
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Are they not worried with all the ground that has to be washing away along side the main spillway because it is so badly damaged? It has basically built a river path into the side of the hill because of the damage. I get that there is no other option really but I imagine it has to be weakening the remaining parts of the spillway. Kind of strange this has all but dropped out of the news now.

I think that some or all of that (the sides of the main spillway) have eroded to bedrock.
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Old 02-20-2017, 08:25 PM   #71
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More infrastructure spending please!
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Old 03-01-2017, 12:32 PM   #72
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aerial footage from monday.


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Old 03-01-2017, 12:44 PM   #73
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Old 03-01-2017, 12:56 PM   #74
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Holy crap, that went from bad to worse!
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Old 03-01-2017, 12:59 PM   #75
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Dam that needs fixing.
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Old 03-01-2017, 01:52 PM   #76
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Unprecedented flooding happened in the past week in my hometown of San Jose, a few hours south of Lake Oroville. Really sad. I don't know anyone personally affected by it, but some know people that suffered severe flood damage to their homes and vehicles.

Temporary freeway closures also occurred.


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Old 03-01-2017, 03:03 PM   #77
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Unprecedented flooding happened in the past week in my hometown of San Jose, a few hours south of Lake Oroville. Really sad. I don't know anyone personally affected by it, but some know people that suffered severe flood damage to their homes and vehicles.

Temporary freeway closures also occurred.


This too is sad but I don't want people to think they are related. The flooding in the south Bay and the damage to Orville dam are from 2 different water systems.
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Old 03-01-2017, 03:48 PM   #78
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This too is sad but I don't want people to think they are related. The flooding in the south Bay and the damage to Orville dam are from 2 different water systems.
True. But indicative of a failure of prioritization of our government.

For our high speed rail project, maybe someone can correct me, but I've seen total cost estimates of $64bn, and even as high as $98bn.
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Old 03-01-2017, 05:22 PM   #79
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True. But indicative of a failure of prioritization of our government.

For our high speed rail project, maybe someone can correct me, but I've seen total cost estimates of $64bn, and even as high as $98bn.
I thought Elon Musk was going to develop an all-new high speed train for only a fraction of the cost of conventional high-speed trains.

You know, like he does with cars.
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Old 03-01-2017, 06:43 PM   #80
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True. But indicative of a failure of prioritization of our government.

For our high speed rail project, maybe someone can correct me, but I've seen total cost estimates of $64bn, and even as high as $98bn.
A damning indictment
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