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Restoring the Grand River: A Natural Approach to River Management

This project aims to restore the Grand River to a more natural state by replacing existing beautification dams with rock formations. Key goals include eliminating the dangerous undertow at the 4th Street dam and designing safe entry and exit points for kayakers. The design norms emphasize caring for the environment, ensuring justice for local fishermen and property owners, and improving fish habitats. Major design decisions include accurate flow modeling and creating a series of weirs. Future work will focus on continued modeling and maintaining optimal water levels.

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Restoring the Grand River: A Natural Approach to River Management

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Presentation Transcript

  1. Team 8: Grand River Rapids

  2. Team 8 Aaron Vanderhill Jim Barron Jeff Van Laar Tom Marshall

  3. Outline • Project Overview • Design Norms • Major Design Decisions • HEC-RAS Modeling • Entry and Exit Points • Future Work • Questions

  4. Project Overview • Return the Grand River to a more natural state • Replace beautification dams with rocks • Eliminate dangerous undertow at 4th street dam • Design entry and exit locations for kayakers

  5. Design Norms • Caring • Eliminate dangers associated with dams • Justice • Respect rights of fishermen and property owners • Stewardship • Naturalize river • Improve fish habitat

  6. Major Design Decisions • Flow Rate • River used between April and November • Low flow = 1,700 cfs • High flow = 50,000 cfs (100 year storm) • Design flow of 3,200 cfs

  7. Major Design Decisions • Modeling Accuracy • Rocks & boulders as series of weirs

  8. Project Location

  9. 4th Street Dam Safety Hazard

  10. Design Solution – Stairstep

  11. Entry and Exit Points Fish Ladder Park Canal Street Park Fulton Street Ford Museum

  12. Future Work • Continued modeling of rocks • Maintaining water levels • Refine physical model

  13. Questions

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