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  • Volitional Fish Passage - ladder

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Project Highlights:

  • Four (4) major projects worth approximately $100 million
  • Serve as owner’s representative, with inspection and construction management services
  • Experience with ladders, screens, pipes, attraction flows, spillway modifications, fish counters, and evaluation facilities
Volitional Fish Passage

Project Summary

Services Provided: Construction Management & Inspection
 
Providing volitional fish passage on an existing dam is complicated, expensive, and almost always comes with surprises during the construction phase that were not envisioned during the planning and design phases.
 
That’s why a trusted and experienced partner like MacKay Sposito is so vital. We understand the risk associated with retrofitting aging structures, coupled with strict in-water work windows. As your owner’s representative, we look for creative solutions to preserve the original project timeline and cost.
 
In recent years, MacKay Sposito has provided construction management and inspection services on four (4) major volitional fish passage projects with a combined construction value of approximately $100 million. These projects include the following type of passage improvements:
  • Vertical slot ladders
  • Fish screens and associated backwash and cleaning systems
  • Fish conveyance pipes
  • False attraction flow piping
  • Spillway modifications, including downstream spillway passage
  • Fish counters
  • Fish evaluation facilities