Roads Riparian Restoration: Culverts

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Presenter: Carolyn and Greg Napper
Length: 22 min 39 s

View: Part 1 | Part 2

       

       Topics:

       Part 1

• Culverts
• Quote On Roads and the Forest
• Presentation Outline
• Description
• Inside Ditch Relief
• Culvert Materials
• Multi-plate Arch
• Considerations
• 100 Year Flow
• Mitered Inlet
• Other Considerations
• Consider Stream Function
• Channel Widening
• Undermining
• Undermining Example
• Alignment
• Considerations Key Points
• Potential Outcomes
• Overtopping
• Potential Outcomes
• Constriction of Flow
• Streambed Scour
• Scour Example
• Stream Diversion
• Storm Event Extreme Consequences Example
• Potential Outcomes Reflection
• Potential Outcomes Key Points
• Alternate Techniques
• Bridges
• Another Bridge
• Ford Crossing
• Dips
• Alternate Techniques Key Points

       Part 2

• Complimentary Techniques
• Permeable Fill
• Debris Rack
• Slotted Riser
• Installed Slotted Riser
• Double Culvert Installation
• Concrete Box Drop Inlet
• Box Inlet Showing an Opening in Back
• Raised Inlet
• Culvert Array
• Complimentary Techniques ... Reflection
• Complimentary Techniques ... Key Points
• Construction
• Backfilling
• A Foundation is Constructed
• Seepage in Spite of Dewatering
• Metal End Section
• HeadWall / Wingwall
• Cover
• Construction Key Points
• Maintenance
• Woody Debris
• Sediment at Catch Basin
• Damaged Inlet
• Maintenance ... Key Points
• Recommendations for Good Culvert Design
• Recommendations for Good Culvert Design Cont.
• Take Home Message

These presentations were produced by Michael J. Furniss and Jeff Guntle, of the US Forest Service, PNW and PSW Research Stations.
US Forest Service, Pacific Northwest Research Station, Pacific Southwest Research Station, Stream Systems Technology Center