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Wallace Weir Fish Rescue Facility Issue Wallace Weir Fish Rescue - - PowerPoint PPT Presentation
Wallace Weir Fish Rescue Facility Issue Wallace Weir Fish Rescue - - PowerPoint PPT Presentation
Wallace Weir Fish Rescue Facility Issue Wallace Weir Fish Rescue Facility Issue Wallace Weir Fish Rescue Facility Sacramento River Feather River KLOG Fish Entry to CBD Sacramento River Colusa Drain Knights Landing Ridge Cut Wallace
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Issue
Wallace Weir Fish Rescue Facility
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KLOG Colusa Drain Sacramento River Knights Landing Ridge Cut Feather River Sacramento River Wallace Weir
Wallace Weir Fish Rescue Facility
Fish Entry to CBD Fish Entry to CBD
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Knights Landing Outfall Gate Fish Barrier Project Built in 2015
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Wallace Weir Replacement Project Scheduled to be Built in 2016
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Design Considerations for Wallace Weir
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Wallace Weir Fish Rescue Facility
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PORTION OF EXISTING WEIR DEGRADED EACH WINTER
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WINTER FLOWS ERODE REMAINDER
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FREMONT WEIR FLOWS INUNDATE WALLACE WEIR
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ADHOC FISH TRAP DOWNSTREAM
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NOT EFFECTIVE AT LOW OR HIGH FLOWS
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Existing Weir New Earthen Weir New Access Ramps New Flow Control Structure with Bridge New Fish Trap
NEW WALLACE WEIR
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NEW WALLACE WEIR – AERIAL VIEW
Existing Weir New Earthen Weir New Access Ramps New Flow Control Structure with Bridge New Fish Trap
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3 Bottom Hinged Gates New Earthen Weir 6 Picket Weir Screens Fish Trap New Bridge over Structure
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Exceedance Percentile KLRC Flow 1% 99% 3,989 cfs 4.5% 95.5% 2,960 cfs 5% 95% 2,831 cfs 8% 92% 1,991 cfs 10% 90% 1,670 cfs
Hydraulic Design Parameters
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Hydraulic Design Parameters
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Hydraulic Design Parameters
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Hydraulic Design Parameters
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1,000 cfs KLRC Flow Example
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Questions?
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