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re: Largest Dam in the Country at risk to fail EDIT- no immediate danger
Posted on 2/12/17 at 8:43 pm to SlowFlowPro
Posted on 2/12/17 at 8:43 pm to SlowFlowPro
quote:and thats worked out so well
what's insane is that the state and localities were more focused on pensions
1
Posted on 2/12/17 at 8:45 pm to GetCocky11
quote:
Shouldn't heads roll for this?
I mean, I'm sure someone was aware that this dam had underlying weaknesses before the rains hit.
Doesn't this just to speak to the overall neglect given to our infrastructure?
The spillway failure could be due to a lack of inspection and preventive maintenance.
It seems to me that the emergency spillway should have been built with some type of concrete apron to prevent scour occurring right at the dam(n) wall. It wouldn't have had to extend as far as the original spillway.
Posted on 2/12/17 at 8:45 pm to OWLFAN86
Hey... at least we are getting a high-speed rail that nobody will ride and takes you to the middle of nowhere. And it significantly over budget already.
My state sucks...
My state sucks...
Posted on 2/12/17 at 8:45 pm to SlowFlowPro
quote:
what's insane is that the state and localities were more focused on pensions and raises for public workers than focusing on infrastructure
Such a joke. And nobody at the top will be punished.
Posted on 2/12/17 at 8:48 pm to GetCocky11
my guess is that California has been marred with such a long drought, the last thing inspectors would think would happen is the auxiliary spillway would fail, or even be challenged.
They probably didn't think the water levels would ever get back up to that point. More than likely half assed their routine inspections.
They probably didn't think the water levels would ever get back up to that point. More than likely half assed their routine inspections.
This post was edited on 2/12/17 at 8:49 pm
Posted on 2/12/17 at 8:49 pm to GetCocky11
quote:
Such a joke. And nobody at the top will be punished
Mother nature is a crazy bitch
Posted on 2/12/17 at 8:49 pm to East Coast Band
quote:
the auxiliary spillway
they've reportedly never used it before, never had to
sheriff just said that's it's down to just 2" over the aux spillway, and the kicker - the state has NEVER done a study in which the aux spillway might fail
This post was edited on 2/12/17 at 8:55 pm
Posted on 2/12/17 at 8:52 pm to TigerTatorTots
At least the dam itself appears to be secure
Posted on 2/12/17 at 8:58 pm to Uncle Stu
quote:
sheriff just said that's it's down to just 2" over the aux spillway
What does this mean?
Posted on 2/12/17 at 8:58 pm to Uncle Stu
A dam shame it's dark so we can't see what happens when this pops off.
Posted on 2/12/17 at 9:00 pm to The Boat
Posted on 2/12/17 at 9:01 pm to East Coast Band
quote:2 inches coming over the top of spillway,,
sheriff just said that's it's down to just 2" over the aux spillway
What does this mean?
assumption is the pressure decreases on the earthenworks as the waterflow decreases
but the damage may already be done,,just time as the earth give away
Posted on 2/12/17 at 9:05 pm to East Coast Band
quote:
What does this mean?
it was like 1' over a couple hours ago
down to just a couple inches means the pressure is subsiding, and they may have dodged a bullet
they're going to try and helicopter in boulders, gravel rock and debris in the coming hours to try and shore up the area where it's failing
Posted on 2/12/17 at 9:07 pm to Uncle Stu
Jude 5, 1976. Teton River Dam fails in Idaho
Posted on 2/12/17 at 9:07 pm to Uncle Stu
quote:
they're going to try and helicopter in boulders, gravel rock and debris in the coming hours to try and shore up the area where it's failing
could make it worse
would love to be able to watch this
Posted on 2/12/17 at 9:10 pm to TigerTatorTots
How much worse will the spillway damage get with the continued release?
Posted on 2/12/17 at 9:10 pm to Armymann50
quote:
Land of the fruits and nuts is finally getting some Karma
You might want to be careful of that karma yourself.
Posted on 2/12/17 at 9:12 pm to Uncle Stu
At 100k cubic feet per second that's roughly 1/6 the flow of the Mississippi River. Hell of a lot of water going somewhere really fast.
Posted on 2/12/17 at 9:12 pm to GetCocky11
quote:the erosion has weakened the earthen dam, a slow leak,, steady stream could cause a collapse,, the gravel and stone Stu talked about it mean to recompress the weakened earth,, but the risk is more top soil slipping
How much worse will the spillway damage get with the continued release?
also the concerns would be coming rains causing more errosion leading to collapse
Posted on 2/12/17 at 9:16 pm to GetCocky11
I got the idea that the failure was occurring (if looking upstream from below the auxiliary structure) to the left of the auxiliary structure there is an earthen embankment and parking lot area and they were concerned it was going to cut through the earthen embankment around the end of the structure and then would erode out about 30 vertical feet down and bypass and undercut the structure causing it to fail.
This post was edited on 2/12/17 at 9:17 pm
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