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WHPacific's design provided solutions for a permanent water supply without the Auburn Dam. A massive river stabilization and restoration effort was required, with river recreation and fish passage as integral parts. The diversion weir was a very low slope dam incorporating a whitewater rapid that can be run by canoes and kayaks. It also serves as a fish passage since its rock construction mimics a natural river bottom.
- Included physical scale models and Flow 3D computer modeling
- Channel hydraulic evaluation for flows up to 219,000 cubic feet per second
- Flow depths from 5 feet to 60 feet
- Construction includes removal of 1 million cubic yards of material
- Designed unique "fish safe" intake screens
WHPacific provided hydrologic and hydraulic evaluations, oversight of physical scale models and development of computer based Flow 3D models, flow simulation model and BRISTARS sediment transport modeling, design of channel improvements, recreational boating improvements, fish passage, screens diversion weir, intake and pump station, construction observation.
AWARD: 2010 ASCE-CA Project Of The Year
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