Spillway Erodibility Investigation & Analysis: Agenda

This is a virtual course. Times listed are Eastern time.

Tuesday, November 4, 2025

  • 10:00 AM - 10:30 AM: Instructor Introductions
  • 10:30 AM - 11:30 AM: Introduction (Part 1) - Course Background and Overview with Relevant Case Studies
  • 11:30 AM - 12:30 PM: Introduction (Part 2) - The Erosion Process & Overview of Erosion Mechanisms
  • 12:30 PM - 1:15 PM: Break
  • 1:15 PM - 2:15 PM: Session 1 - Soil and Rock Erodibility Parameters
  • 2:15 PM - 3:15 PM: Workshop 1 - Determining the Erodibility Index
  • 3:15 PM - 4:00 PM: Break
  • 4:00 PM - 4:45 PM: Session 2 - Auxiliary Spillway Profile
  • 4:45 PM - 5:45 PM: Workshop 2 - Developing a Spillway Profile
  • 5:45 PM - 6:30 PM: Discussion - Resources & Guidance for Determining Parameters

Wednesday, November 5, 2025

  • 10:00 AM - 10:45 AM: Case Study - Sugar Creek Dam, OK (2007)
  • 10:45 AM - 11:45 AM: Session 3 - Field Evaluation Procedures
    • Boring Plan Layout
    • Lab Testing Needs
  • 11:45 AM - 12:30 PM: Break
  • 12:30 PM - 2:00 PM: Workshop 3 - Developing a Boring Plan
  • 2:00 PM - 3:00 PM: Earth Spillway Design
    • Design Best Practices
    • Spillway Hydraulics
    • Spillway Stability vs. Integrity
  • 3:00 PM - 3:45 PM: Break
  • 3:45 PM - 5:15 PM: Workshop 4 - Designing an Earth Spillway
  • 5:15 PM - 6:30 PM: Discussion - Operation & Maintenance Considerations 

Thursday, November 6, 2025

  • 10:00 AM - 10:45 AM: Session 5 - Introduction to WinDam C
    • Input & Model Setup
    • Model Output & Analysis
    • Troubleshooting & Review
    • Tips and Tricks
  • 10:45 AM - 12:45 PM: Workshop 5 - Erodibility Analysis with WinDam C
  • 12:45 PM - 1:30 PM: Break
  • 1:30 PM - 2:00 PM: Session 6 - Additional Erodibility Analysis Tools
    • NRCS SITES
    • Hydraulic Models
    • State-Specific Guidance
  • 2:00 PM - 2:45 PM: Workshop 6 - Spillway Evaluation with Other Tools
  • 2:45 PM - 3:30 PM: Break
  • 3:30 PM - 4:15 PM: Discussion - Potential Spillway Erosion Mitigation Alternatives
  • 4:15 PM - 5:30 PM: Case Study - Beech Dam, TN (2010)
  • 5:30 PM - 6:30 PM: General Course Review with Question & Answer Opportunity