This is the same way it happened at Glen Canyon Dam in '83. Opened main spillway to capacity first time: cavitation disaster.
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Had to put up emergency plywood flashboards over main dam top to stop overtopping, utterly destroying Yuma. 7' overtop.
End of conversation
New conversation -
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I spoke w/another civil engineer yesterday abt this. We can't believe emergency spillway had no rock protection at base.
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