MER Commercial Diving Division
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Five-Year FERC Inspection

MER Commercial Diving Division was contracted  to performa an underwater inspection of a hydroelectric facility. The purpose of the inspection was to determine the underwater condition of the structures to document any defects. This work included the underwater inspection of the following facility elements: 

  • Trash racks and adjacent concrete surfaces
  • Upstream cell located between Unit 1 and Dam Pier 9 
  • Draft tubes
  • Draft tube structure exterior walls
  • Apron downstream of the draft tubes
  • Tailrace gauge tubes 
  • Fishing pier downstream of the powerhouse

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