CA Department of of Water Resources says: “don’t worry”, it’s “robust”.
Readers may recall that in February 2017, the spillway at Oroville dam eroded and collapsed due to the massive amount of water from El Nino weather pattern induced storms eroding concrete that had cracks in it that had not been properly maintained. The state DWR agency spent an estimated $500 million to rush a new spillway replacement into service by November 1st. Now it appears this rush job has cracks in the steel reinforced concrete, repeating the same start of the scenario that caused the collapse in the first place.
From ChicoER: Small cracks have appeared in the new concrete in the main spillway at Oroville Dam, but the state says they were expected and nothing to worry about.
An explanation of the “hairline cracks” was called for in a…
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