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Dramatic new images show scale of damage to Oroville spillway
San Francisco Chronicle ^ | 2/28/2017 | Peter Fimrite

Posted on 02/28/2017 10:33:18 PM PST by AzNASCARfan

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Incredible damage, but very much what I expected after seeing before pics and flow at 100K+ cfps... Scoured everything down to solid bedrock and tore out everything that was built on fill.
1 posted on 02/28/2017 10:33:18 PM PST by AzNASCARfan
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To: AzNASCARfan

2 posted on 02/28/2017 10:45:08 PM PST by gunsequalfreedom
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To: AzNASCARfan

Excellent footage, thanks.


3 posted on 02/28/2017 10:45:22 PM PST by avenir (I'm pessimistic about man, but I'm optimistic about GOD!)
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To: AzNASCARfan

From our local paper today. http://www.orovillemr.com/general-news/20170227/oroville-dam-operators-stop-flow-down-spillway-see-extensive-damage?source=most_viewed

We never evacuated as we lived above the dam. It was pretty harrowing though as us folks that stayed behind couldn’t get any food, etc as all the stores were closed for miles around. There was a market opened at Lakeside, but they couldn’t get any deliveries as roads were closed.

While our experience was nothing to the level of those that experienced Tornados or Hurricanes or actual floods, it was still something to think about.

Gov wants money from the Feds to fix the damage. Why did the state vote for billions for this very thing? What a mess and us locals are none to happy about it.


4 posted on 02/28/2017 10:47:51 PM PST by abigkahuna (How can you be at two places at once when you are nowhere at all?)
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To: gunsequalfreedom

From our vantage point below the spillway we see the sidewall and slab failure allowing the blowout of billions of pounds of water that have cut the new canyon.

Moonbeam Canyon, a spectacle similar to many items in the legacy of the Democrat party to the Golden State.


5 posted on 02/28/2017 10:50:10 PM PST by KC Burke (If all the world is a stage, I would like to request my lighting be adjusted.)
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To: AzNASCARfan

I was expecting it to keep eating its way to the top.

Hundreds of thousands of tons of dirt and rock now going downstream in the river below.


6 posted on 02/28/2017 10:51:56 PM PST by digger48
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To: digger48

Our relatively new RiverBend Park is now toast thanks to the massive release of water. Real Estate deals have gone sideways, what few companies we have here in town lost money and employees lost wages. What a mess. As the Gov says...”Stuff happens...” What a schumeel.


7 posted on 02/28/2017 10:55:16 PM PST by abigkahuna (How can you be at two places at once when you are nowhere at all?)
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To: AzNASCARfan

8 posted on 02/28/2017 10:55:53 PM PST by Myrddin
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To: AzNASCARfan

9 posted on 02/28/2017 10:57:02 PM PST by Myrddin
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To: KC Burke

“Moonbeam Canyon”

How can you make it official and get the H out of there.


10 posted on 02/28/2017 10:57:06 PM PST by LesbianThespianGymnasticMidget (God punishes Conservatives by making them argue with fools. Go Trump!)
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To: AzNASCARfan; All

Leave it “as is”...down to bedrock already, and looks more “natural” now. ;-)


11 posted on 02/28/2017 10:57:38 PM PST by Drago
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To: AzNASCARfan

amazing the power of water under the force of gravity. just a few days of spill way water and a new canyon is born.


12 posted on 02/28/2017 11:03:37 PM PST by dadfly
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To: Myrddin

The slabs of concrete were not thick enough to handle the pounding from the water. It looks like California wanted to get by with the least amount of material to scam the tax payers.


13 posted on 02/28/2017 11:20:38 PM PST by jonrick46 (The Left has a mental illness: A totalitarian psyche.)
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To: Drago

I think I spy a snail darter ...


14 posted on 02/28/2017 11:28:30 PM PST by VRWC For Truth (Subjected to management approval ...)
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To: jonrick46

Ultimately, I think that’s right. The scale of this thing is amazing. Maybe it was just a liiiiiitle underengineered ... just to save, you know, a coupla million ... and now ...


15 posted on 02/28/2017 11:30:37 PM PST by dr_lew (I)
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To: dadfly

thats why hurricanes are so dangerous...you simply cannot estimate the power of water...especially salt water. These fools that ride out hurricanes are just asking for it.


16 posted on 02/28/2017 11:52:50 PM PST by basalt
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To: VRWC For Truth

There has got to be Delta Smelt down in there somewhere! ;-0


17 posted on 03/01/2017 12:08:53 AM PST by Drago
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To: jonrick46

It appears to be unreinforced concrete, that just seems insane to me in a state with that much seismic activity.

Concrete cracks, plain and simple, then you put that much water over cracked concrete and this is a fairly obvious result. Especially if fill washed out under the spillway over years and the unreinforced, cracked concrete was spanning over voids.


18 posted on 03/01/2017 12:43:40 AM PST by AzNASCARfan
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To: Myrddin

One liberal state’s engineering disaster; alternatively a really cool challenge for Evil Knievel!

:-)


19 posted on 03/01/2017 1:00:45 AM PST by SteveH
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To: AzNASCARfan
I don't think it's that simple. There are images of workers attending to a repair of the "floor" of the chute in that area, which of course subseqently failed. It seems to be some kind of surface effect, which I am tempted to attribute to the location below the downward bend.

I ask myself, "Why did it fail in the first place?" and "Why did it fail again in the same spot?"

My hypothetical answer is that the location just below the fall-off of the chute causes increased stress due to cavitation, or what have you, and it failed the second time ( after the repair ) for the same reason that it failed the first time ... faulty design!

20 posted on 03/01/2017 1:08:13 AM PST by dr_lew (I)
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