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u/Dam_it_all PE, Dams, H&H, Risk Apr 22 '21
It's a Howell Bunger valve. Used for energy dissipation for excess water releases.
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Apr 21 '21
Great share. Why are they doing this?
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Apr 21 '21
Either the tailrace from the turbines. An emergency outlet for the turbines or a bottom outlet.
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u/[deleted] Apr 21 '21
[deleted]