by Bob Walsh
An independent report was released Tuesday on the spillway failure of the Oroville dam. It had pretty much nothing good to say about the structure, its design, maintenance or oversight.
The report cited a bunch of problems, including crappy concrete, crappy anchoring of the 1/2 mile long spillway to the substrata, poor maintenance and crappy repair with shoddy materials. Other than that, it was mostly good.
The DWR acknowledged the problems. Everyone agrees that a simple visual inspection of the spillway would almost certainly NOT have found these issues and that an in-depth forensic engineering review was needed. In-depth reviews are being done on several of the larger dams in California right now.
The final-final report is due out in the fall.
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