Efforts to repair a fish ladder at Oregon's Leaburg Dam are under way, sources report.
Since its completion in the late 1960s, the area beneath the dam's concrete foundation has eroded, requiring its owner -- the Eugene Water & Electric Board -- to contract Advanced American Construction for repairs to prevent the fish ladder from falling.
As per a US$500,000 contract, the Portland-based company has already driven steel I-beams and sheet piles into the bedrock around the ladder's foundation to prevent more erosion.
Divers will now place bags in the eroded area beneath the fish ladder before filling them with concrete, restoring its foundation.
Work on the project is expected to be finished by mid-April.
The Leaburg Dam is also home to the 23.2-MW Leaburg-Walterville hydroelectric project, which uses water from the McKenzie River.
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