TEAM 8: GRAND RIVER RAPIDS

Team 8

Aaron Vanderhill Jim Barron Jeff Van Laar Tom Marshall

Outline Project Design Alternatives Preliminary Design Feasibility Design Norms Issues Questions

Project Primary Goal

Return the rapids to the Grand RiverGGR

Secondary GoalCreate a whitewater courseGRWW

Revitalize Downtown Area

Design Alternatives1. Removal of 5 beautification dams

Replace with natural rocks

2. Diversion Canal Go around 4th street dam

3. 4th Street Dam modification Removal of east side

4. Removal of 4th Street Dam

Preliminary Design Combination of alternatives 1 and 3

Replacement of downstream damsModification of 4th Street Dam

ReasonsMeets client’s needsImproves fish habitatOther alternatives not feasible

○ Sediment behind 4th Street Dam○ Would look unnatural○ Greater costs

Example of Stair-step Rapids

www. grandrapidswhitewater.com

Feasibility Many examples of other courses Sufficient flow in river Revitalization of downtown Safer than existing conditions

Video

Design Norms Cultural Appropriateness

Suitable to all parties Justice

Respect rights of fishermen and property owners

StewardshipNaturalize riverImprove fish habitat

Issues Modeling Cost estimates Acquiring data

Resources HEC-RAS model of Grand River

Model from GRWW

FTC&H

GRWW

Questions?