2024 ASDSO Annual Conference Proceedings

Individual Abstracts or Papers Available Through the Database:
* Abstract Only
** Presentation Only

Opening General Session: 40 Years of Dam Safety**

Session 1
-Framework for the Investigations of Dam Incidents and Failures*
(Nathaniel Gee, P.E., Ph.D., Tennessee Valley Authority; and Katherine Strozinski, Bureau of Reclamation)
-Dam Safety Incident Reporting and Tracking*
(Nathaniel Gee, P.E., Ph.D., Tennessee Valley Authority; Matthew Young, Bureau of Indian Affairs; Rebecca Ragon and Christopher Kelly, US Army Corps of Engineers)
-Learning from Experience - Characterization of Dam Incidents
(Martin McCann, Jr., and Poojan Jitendrakumar Patel, Stanford University)

Session 2
-Planning and Implementation for the Removal of the Four-Dam Complex of the Lower Klamath Project*
(Morton D. McMillen, McMillen Inc.; and Mark Bransom, Klamath River Renewal Corporation)
-Throwing BRICs to Demolish a Dam - Lessons Learned from Benefit Cost Analysis
(Hal Van Aller, P.E., and Christy Hill, P.E., Blossom Consulting and Engineering)
-Navigating Dam Removal Challenges: How Practitioners Address Common Concerns*
(Katherine Schmidt, Brian Graber, and Serena McClain, American Rivers; Kristen Coveleski, Ph.D., P.E., Inter-Fluve)

Session 3
-Flood Loading Analysis - Practical Guidance for Slope Stability
(Harry Donaghy, P.E., and Steven Haugaard, P.E., AECOM)
-Effective Communication of Your Computer Modeling Efforts– Seepage and Stability
(Michele Lemieux, P.E., MT Department of Natural Resources and Conservation; Devon McLay, P.E., GeoEngineers, Inc)
-Seepage Modeling Under Pressure: Using Historical and Real-Time Data to Evaluate and Install Relief Wells*
(John DeLano, Mengxuan Zhao, and James Guarente, GZA GeoEnvironmental; James Fitzsimmons, NYC Environmental Protection Bureau of Water Supply)

Session 4
-Innovation and Collaboration During Incident Response
(Ben Webster, P.E., PMP, Jacob Sheehan, and Johanna Simon, Schnabel Engineering)
-Philpott Dam Landslides of May 24, 2020: Operational Impacts, Causative Factors, and Remediation
(Walter Haven, P.G., US Army Corps of Engineers)
-Incorporating Risk Reduction Measures in the Design and Construction of the Seismic Rehabilitation of an Earthen Dam with a Nearly Full Reservoir
(Brandon Cruz, P.E., Chris Tracy, P.G., C.E.G., and Christopher Dorsey, P.E., CA Department of Water Resources - Division of Safety of Dams)

Session 5
-Developing a Stage Frequency Curve Based on Regional Precipitation Frequency Estimates*
(Mikaela Bitner, U.S. Army Corps of Engineers)
-Lessons Learned in Selecting the Right Tool for RIDM Flood Loading*
(Jonathan McIntosh, Jonathan Quebbeman, and Shaun Carney, RTI International)
-The Value of Storm Typing in Hydrologic Hazards Assessments – Experience Across Various Climates
(Debbie Martin, Victoria Bahls, and Kyle Chudler, RTI International; Mel Schaefer, MGS Engineering Consultants; Tye Parzybok, DTN)

Session 6
-1964 Failure of Lower Hell Hole Dam*
(Cory Miyamoto, CA Department of Water Resources - Division of Safety of Dams)
-1964 Blackfeet Flood and the Failures of Two Medicine and Swift Dams*
(Daniel Osmun, HDR)
(Matthew Young and Gene Onacko, Bureau of Indian Affairs; Nathaniel Gee, P.E., Ph.D., Tennessee Valley Authority; and Greg Richards, Gannett Fleming)
-When Company Stays Too Long - Lake Blackshear and Flint River Dam Failures Due to Tropical Storm Alberto
(Christopher Owen, Federal Energy Regulatory Commission)

Session 7
-Seismic Section of the Dam Safety Toolbox*
(Bulent Hatipoglu; Ian Maki, CA Department of Water Resources - Division of Safety of Dams)
-Rationale for Recent Seismic-Related USACE Policy Updates on Dams and Levees*
(Khaled Chowdhury, Georgette Hlepas, Richard Ludwitzke, and Tim O'Leary, U.S. Army Corps of Engineers)
-Seismic Risk Assessment for a State-Regulated Dam*
(Chris Abdeen, Glenn Rix, Maria Limas, and Melissa Setz, Geosyntec Consultants; Martin McCann, Jack R. Benjamin and Associates)

Session 8
-Wartime Cousins with Karst Foundations: TVA’s Cherokee and Douglas Dams*
(Scott Walker, Tennessee Valley Authority)
-Watch Those Pressures! Closing Cutoff Walls at Normal Pool
(Mike Brown, P.E., and Andrew Durkin, Tetra Tech)
-Cutting off Elusive Seepage Paths at Gaylord Dam
(Greg Monley, P.E., and Amin Ghorbanpour, P.E., Ph.D., W. W. Wheeler & Associates, Inc.; Jordan Kissinger, Nicholson Construction Company)

Session 9
-Probabilistic Hydrologic Hazards vs. PMF for an SQRA: A Case Study of the USACE Greers Ferry Dam*
(Jonathan Quebbeman, Natalie Reynolds, Kyle Chudler, and Ryan Johnson, RTI International; Allen Avance, US Army Corps of Engineers)
-Levee Structural Resilience Under Historical Rainfall and Flood Hydrograph using Transient Finite Element Analysis
(Audrika Nahian, Omer Alzeghoul, and Sadik Khan, Jackson State University; Austin Downey, Jasim Imran, and Laura Micheli, University of South Carolina)
-Spatially Distributed Radar Rainfall Coupled with 2D Hydrodynamic Runoff
(Michael Horst, Ph.D., P.E., John McElroy, and Andrew Byrne, The College of New Jersey)

Session 10
-Severe Consequences on the Sevier: Lessons Learned on Sevier Bridge Dam Spillway Replacement*
(Thayne Clark and Jon Howe, Bowen Collins & Associates; Everett Taylor, UT Dam Safety)
-An Innovative Approach to Spillway Weir Stabilization Utilizing Underreamed Drilling Methods Adapted from the Oil Industry
(Brian Dillard, P.E., and Randy Mead, P.E., US Army Corps of Engineers)
-Bicycle Tubes and Helical Piles - Interim Support of Concrete Spillway Slabs at Two Reclamation Dams*
(Michael Henrick, Patrick Maier, and Fernando Castaneda, Bureau of Reclamation)

Session 11
-Alabama’s Pilot Dam Safety Program: Inventory, Assessments, and EAPs*
(Kristin Ray, Meron Batayeh, and Kevin Chapman, Hazen and Sawyer)
-Public Safety at Low-head Dams: Liability, Experience, and Recommendations*
(Rollin Hotchkiss, Brigham Young University; Paul Schweiger, Gannett-Fleming; Andrew Earles, Wright Water Engineers, Inc.; Karl Kingery, Hydrometrics, Inc)
What Is Significant About Significant Hazard Dams? A Closer Look at Dam Hazard Classification
(Douglas Johnson, P.E., Federal Energy Regulatory Commission; and Nathaniel Gee, P.E., Ph.D., Tennesse Valley Authority)

Session 12
-Estimation of Overtopping-Induced Scour Behind Floodwalls
(Bryant Robbins, P.E., Ph.D., Anthony Paschall, P.G., and Timothy O'Leary, P.E., US Army Corps of Engineers)
-Sacramento River East Levee Contract 4 – Seepage Cutoff Wall Construction Challenges and Solutions
(Nagesh Malyala, P.E., Stantec; Kimberly Brown, P.E., and Timothy Williams, P.E., G.E., Kleinfelder; Christopher Hamilton, US Army Corps of Engineers)
-City of Des Moines Programmatic Levee System Alterations – a Case History*
(Matthew Hoy and Fernando Del Monte, Stantec Consulting Services Inc.; Craig Bouska, City of Des Moines)

Session 13
-Simple and Accurate Assessment of the Danger Posed by Large Storm Events and Downstream Impacts Below Remote Dams
(Bill Kappel, Nicholas Agnoli, P.E., and Yogi Sookhu, Applied Weather Associates)
-Giraffes Can Dance: Improving Stakeholder Communication in a State Dam Safety Program*
(John Roche, MD Department of the Environment)
-We Know the Risk, We Know Our Audience, We Know Our Options – Now What?*
(Katelyn Noland, US Army Corps of Engineers)

Session 14
-High Altitude, Good Attitudes - Collaborative Design and Construction at Rito Hondo Dam*
(Amanda Lopez, P.E., Hazen and Sawyer; Justin Stoeber and Chris Rey, AECOM; Eric Eisinger, Colorado Parks and Wildlife)
-Colorado River Connectivity Channel Project: Challenges Faced in Design and Construction of the Reconfigured Windy Gap Dam
(Amin Gheibi, Ph.D., P.E., Christina Bennetts, P.E., Douglas Yadon, Jennifer Williams, and Casey Robertson, AECOM; Kevin Lock, Northern Water)
-Fixing Geese at Goose Pasture Tarn
(Greg Monley, P.E., and Sean Moran, P.E., W. W. Wheeler & Associates, Inc.; James Phelps, Town of Breckenridge; Jeffrey Blanchette, P.E., SM&RC Structural Engineers; Troy McDaniel, Moltz Constructors)

Session 15
-Probabilistic Scour Model for Head-cut Migration in Unlined Chutes
(Erik Bollaert, AquaVision Engineering Llc)
-Black Butte Dam, California, Spillway Channel Head-Cut Erodibility Potential in Weathered Basalt of the Lovejoy Formation
(Shelley McCoy, P.E., Christopher Rica, EIT, Emily Dektar, GIT, and Daniel Vellone, P.G., CPG, US Army Corps of Engineers)
-ACB Design of Temporary Spillways for Interim Dams - Anderson Dam Seismic Retrofit Project*
(Chris Thornton and Jeff Ellis, Colorado State University; John Roadifer and Shannon Leonard, AECOM)

Session 16
-The Failure and Legacy of Hatchtown Dam*
(Everett Taylor, Utah Dam Safety; Clint Brown and Dylan Hoehn, Engineering Analytics, Inc.)
-The Pacoima Dam Incident During the 1994 Northridge Earthquake
(Christopher Krivanec, P.E., G.E., HDR; Tyler Clark, CA Department of Water Resources - Division of Safety of Dams; Danielle Drake, Irvine Ranch Water District; Jordan Keeney, P.E., Dam Safety Services; Cesar Martinez, Los Angeles County Department of Public Works)
Cracking Up: The Story of the 2014 Wanapum Dam Incident
(Meghan Walter, P.E., USDA-NRCS; Douglas Johnson, P.E., Federal Energy Regulatory Commission)

Session 17
-Arkabutla Dam Outlet Conduit Internal Erosion – a Case History
(Mark Ahlstrom, US Army Corps of Engineers)
Hell Raiser – Fighting Against Time, Snow, Wildfires, and COVID to Raise Hell Hole Dam’s Impervious Core*
(Kerri Puckett, GEI Consultants, Inc.; Kyle Dushane, Placer County Water Agency)
-Lewis Dam Failure - Lessons Learned from Saving a Private High Hazard Dam in Wake Forest, North Carolina*
(Holly Miller, Tetra Tech, Inc.)

Session 18
-Static Liquefaction: An Exploration of Advancements and Mitigation Strategies in Dam Safety for Cross-Industry Collaboration*
(Jason Harvey, Barr Engineering Co.)
-Specialty Geotechnical Construction Techniques - Quality Rules
(Dr. Donald Bruce, Geosystems, LP)
-A New Approach for Predicting Backward Erosion Piping*
(Bryant Robbins, US Army Corps of Engineers)

Session 19
-New Calaveras Dam – Performance After Five Years
(Erik Newman, Ph.D., P.E., and Mike Forrest, P.E., G.E., AECOM; Stacie Feng, P.E., Richard Harwell, PLS, Tracy Leung, P.E., and Paul Hu, San Francisco Public Utilities Commission)
-Getting to Know Our Dams
(Matthew Steiner, P.E., and Alex Anaya, P.E., Marin Water)
-An Old Site for a New Dam - The Challenges of Replacing Anderson Dam
(John Roadifer, P.E., Sathish Murugaiah, P.E.,. G.E., and Benjamin Aldridge, P.E., G.E., AECOM; Ryan McCarter, P.E., Tu Nyugen, P.E., G.E., and Collette Frawley, P.E., Santa Clara Valley Water District)

Session 20
-National PMP Updating*
(Bill McCormick, ASDSO EPIC Task Group)

Session 21
-Many Dams, Many Risks: The Soapbox on Dam Safety Program Engineering (DSPrE)
(Mark Baker, DamCrest Consulting; Hal Van Aller, MD Department of the Environment (Ret.); David Hibbs, US Fish & Wildlife Service; Tom Woosley, GA Department of Natural Resources (Ret.); Matthew Young, Bureau of Indian Affairs; Mark Killgore, VA Department of Conservation & Recreation)
-Creating Your Niche in Dam Safety - Dam Safety Career Panel
(Cory Miyamoto, CA Department of Water Resources, Division of Safety of Dams; Nathaniel Gee, P.E., Ph.D., Tennessee Valley Authority)

Session 22
-Applications, Observations, and Lessons Learned from C-51 Phase I Reservoir Cutoff Wall Construction in South Florida
Suppakit Chomtid, Ph.D., P.E., Scott Lakes, PMCM, and Jeff Beriswill, M.E., P.E., Black & Veatch
-Geotechnical Challenges of a New RCC Dam on the Oregon Coast Andrew Little, P.G., P.E., Shane McWilliams, P.G., and Verena Winter, HDR
A Retrospective Examination of Upstream Drainage Features at Rough River Dam Steven Shifflett, P.E., Kenneth Henn, III, P.G., Jonn Baird, P.G., and Jackie Henn, P.G., US Army Corps of Engineers

Session 23
Spillway Gates and Dewatering Systems: Lessons Learned and Practical Solutions Layne Bukhair, P.E., Jesse Sharpless, P.E., Jake Donaho, P.E., Les Boyd, and Cesar Ramirez Mendoza EIT, Freese and Nichols, Inc.
Tainter Gate Trunnion Pinching Moments and How They Affect Trunnion Friction Kevin Gerst, P.E., S.E., and Satyam Gajjar, P.E., HDR; Bruce Brand, P.E., Hetrodyne Engineering
Kerr Dam Gate Inspection - Why Gathering Element Level Gate Inspection Data Is Valuable David Hernandez, EIT, and Travis Ford, P.E., HDR

Session 24
-Incorporating anthropogenic climate change into dam safety reviews*
(Andrew Newman, Nicholas Lybarger, Samantha Hartke, and Andrew Wood, National Center for Atmospheric Research; Amanda Stone, Kent Walker, and Kathleen Holman, Bureau of Reclamation)
-Framework for addressing climate change for a large portfolio of high hazard dams*
(Amanda Stone, Tim Clarkin, Kathleen Holman, David Keeney, Mussie Beyene, and Kent Walker, Bureau of Reclamation)
-Nonstationary Flood Frequency Analysis with RMC-BestFit
(C.Haden Smith, P.E., and Keil Neff, P.E., US Army Corps of Engineers)
-Dynamical Downscaling to Quantify Changes in Extreme Precipitation Events Over the Western United States in Historical and Future Climate Scenarios*
(Nicholas Lybarger, Andrew Newman, Ethan Gutmann, and Andrew Wood, National Center for Atmospheric Research; Kathleen Holman and Amanda Stone, Bureau of Reclamation)

Session 25
-Oroville: Calculation of near Surface Air Concentration in Chute Type Spillways
(Christopher Kissick, P.E., Stephen Oldemeyer, P.E., Steve Verigin, P.E., and Mark Fortner, P.E., GEI Consultants, Inc.; Dan Gessler, P.E., Ph.D., Verdantas; Thomas Molls, P.E., Ph.D., CA Department of Water Resources; Michael Johnson, P.E., Ph.D., Utah State University)
-New Solutions to Reduce Cavitation Damage to Spillways and Stilling Basins*
(Josh Mortensen and Catherine Lucero, Bureau of Reclamation)
-You’re Not My Type (VI) - Design of an Outlet Impact Basin for the Halligan Water Supply Project*
(Jeff Ellis, and Chris Thornton, Colorado State University; Mike Zusi, Dan Swanson, and Yongqiang Lan, AECOM)

Session 26
-The Devil’s in the Details: Highlights from ASDSO’s DamFailures.org
(Greg Richards, Seth Thompson, and Andrew Lynch, Gannett Fleming, Inc.; Caden Gigliotti, HDR; Bill Johnstone, Spatial Vision Group)

Session 27
-A New Quantitative Risk Analysis Software for Dam and Levee Safety, RMC-TotalRisk
(C.Haden Smith and Woodrow Fields, US Army Corps of Engineers
-Reclamation’s Expert Elicitation Framework Explained
(Dom Galic, P.E., Bureau of Reclamation)

Session 28
-Post-earthquake Observations of Seismic Response of Dams During 2023, Kahramanmaras, Turkiye Earthquakes*
(Ozgun Numanoglu, Schnabel Engineering)
-Ground Motion Estimates from Global Datasets versus On-site Recordings: The Case for Seismic Instrumentation*
(Christie Hale, Michael Dupuis, and Chris Conkle, Geosyntec Consultants; Linda Al Atik, Linda Alatik Consulting; Matthew Muto, Southern California Edison)
-New RCC Dam Seismic Design: To Curve or Not to Curve
(Adam Toothman, P.E., Petros Giannaros, Ph.D., P.Eng., P.E., Dikshant Saini, Ph.D., P.E., Ali Rasekh, Ph.D., P.Eng., S.E., and Keith Ferguson, P.E., D.WRE, HDR)

Session 29
-Rough Estimates: Developing Shear Strength Parameters for Idealized Horizontal Sliding Failure Planes
(Scott Jones, P.E., Ph.D., Jacob MacDonald, P.Eng, and Massoud Daliry, P.Eng, Kiewit; and Damien Gonsman, P.G., CEG, US Army Corps of Engineers)
-Revisiting Sliding Shear / Shear Friction in Reinforced Concrete Hydraulic Structures
(Kevin Gerst, P.E., S.E., HDR; Farzad Abedzadeh, Stantec)
-Using Laboratory Experiments to Explore the Effect of Non-horizontal Layers on Backward Erosion Piping*
(Samantha Lucker, US Army Corps of Engineers; Jack Montgomery, Auburn University)

Session 30
-Unlocking a Solution for a Complex Hydrologic Issue Using Hydraulic Modeling
(Yan Wang, Ph.D., P.E., CFM, and Amanda Hess, P.E., CFM, Gannett Fleming; David Hibbs and Craig Swedenborg, US Fish & Wildlife Service)
-Comparison of Modern-Day Flood Modeling Techniques (3-D versus 2-D, with 1-D on the wane)*
(Milos Jankovic, School of Mines; Milan Jankovic, Michael Baker International and Milosh Engineering)
-Effective Communication of Your Computer Modeling Efforts - Hydrology and Hydraulics
(Brent Zundel, P.E., MT Department of Natural Resources and Conservation; Seth Thompson, P.E., Gannett Fleming)

Session 31
-Probabilistic Post-Liquefaction Slope Stability Analysis for Risk Assessment of Trout Lake Dam
(Amin Ghorbanpour, Ph.D., P.E., W. W. Wheeler & Associates, Inc.)
-Hydroelectric CFD Surprise*
(Cory Anderson and Omid Mohseni, Barr Engineering Co.; Michael Thelen, Consumers Energy)
-Constructed Dam Safety Modification for Risk Reduction at the Isabella Dam Safety Modification Project
(David Serafini, P.E., G.E., Cassandra M. Wagner, P.G., and Michael E. Ruthford, P.E., US Army Corps of Engineers)
-How User-Defined Computation Settings and Software Packages Effect Computational Fluid Dynamic (CFD) Results
(Shelby Koldewyn, EIT, Jones and DeMille Engineering; Blake Tullis, Ph.D., Utah State University)
-Tracking Dam Problems*
(Jacob Smith, NC Department of Environmental Quality)

Session 32
-National Levee Safety Program – Building for the Future for Dams and Levees**
(Jennifer Laux and Michael Bachand, US Army Corps of Engineers)

Session 33
-A reservoir of data – Comprehensive geophysical and geological site characterization for efficiency and cost savings across the project lifespan
(Will Levandowski, Dan O'Connell, Majid Mirzanejad, Lincoln Steele, and Vicki Scharnhorst, Tetra Tech, Inc)
-The Site-Specific Intervention Plan – An Indispensable Risk Reduction Tool for Dam Foundation Investigations in Challenging Conditions
(Joël Brien, P.Eng., and François Ferland, P.Eng., Hydro-Québec; Simon Fleury, P.Eng., AtkinsRéalis)

Session 34
-Sevier Bridge Dam Rehabilitation Phase II
(Jed McFarlane, P.E., Ryan Cole, Ph.D., P.E., D.G.E, Phil Gerhart, P.E., Richard Buhler, P.E., and Travis Gerber, Ph.D., P.E., Gerhart Cole Inc.)
-Beyond O&M - Addressing Significant Repair Needs; The Oklahoma CMP Pilot*
(J Stoner, Freese and Nichols Inc.; Diana Perry, USDA-NRCS)
-Millsite Dam Rehabilitation (near Ferron, Utah) - Interesting Features, Challenges, and Lessons Learned*
(Eric Dixon, UT Division of Water Resources)

Session 35
-Physical Modeling and CFD Modeling of the South Fork Tolt Spillway
(Zach Taylor, P.E., and Carl Mannheim, P.E., Kleinschmidt; Ashraf Islam, Ph.D., P.E., RIE Consultants; Bryan Heiner; Joseph Kubitschek, Ph.D., P.E., Bureau of Reclamation; Eric Thorberg, P.E., Seattle Public Utilities)
-Modeling Synergy: Pairing CFD and Physical Modeling to Meet Your Design Challenges*
(Sherry Hunt and Kem Kadavy, USDA-ARS; Rojin Tuladhar and Dustin Mortensen, Freese and Nichols, Inc.)
-Physical Modeling and CFD for Design Purposes in the Era of Affordable CFD and 3D Printing*
(Chris Frias and Cory Anderson, Barr Engineering Co.)

Session 36
-Hidden Treasures – The Story of Lytle Lake Dam
(Stephanie Williams, P.E., CFM, Juliana Tortato de Oliveira, P.E., Cristopher Parker, P.E., HDR; Jim McCathren, Lytle Lake WCID)
-Modern Dam Safety Analysis and Risk Assessment of the 1909 Failure of Middle Dam near Telluride, Colorado
(Jason Ward, Ph.D., P.E., CO Division of Water Resources)
-Utah's Quail Creek Dike Failure - 1988, the Rest of the Story*
(Matthew Lindon, Loughlin Water Associates)

Session 37
-The early bird gets the worm…usually. Dos and don’ts of Early Contractor Involvement (ECI).
(Michael Genduso, P.E., CDT, HDR)
-Rehabilitation of Woodward Pond Dam - Upgrading a 112 Year Old Dam to Modern Standards While Maintaining Historic Aesthetics*
(Paul G. Schweiger, P.E., Gannett Fleming, Inc.)
-An Owner's Perspective of Building a Large New Dam - Construction of Chimney Hollow Reservoir*
(Joseph Donnelly and Jeff Drager, Northern Water)

Session 38
-Analysis of a Potentially Record-Breaking Storm in West Virginia
(Bill Kappel, Marty Venticinque, and Douglas Hultstrand, Applied Weather Associates)
-Probable Maximum Precipitation (PMP): From Storm Based Estimates to Numerical Weather Modeling and Probabilistic Estimates
(Edward Tomlinson, Ph.D., Atmospheric Science Consultants, LLC; Emilie Tarouilly, Ph.D., Hydrologic Research Center (HRC))
-Paleoflood Analysis Along the Kootenai River and Improvements to Hydrologic Loading for Libby Dam, Northwestern Montana
(Amy LeFebvre, Ryan Clark, Keith Kelson, and Brian Hall, US Army Corps of Engineers)

Session 39
-Dam Overtopping Forecasts for Use by Managers and Agriculturists*
(Daniel Livsey, Sherry Hunt, Lei Qiao, and Jarrett Wise, USDA-ARS)
-Biopolymers as a Tool to Mitigate Overtopping Erosion Effects
(Ethan Vroman, Nalini Torres, Mohammed Mohammed, and Samantha Lucker, US Army Corps of Engineers)
-Predicting Post-Wildfire Effects and Risks Around Reservoirs in a Changing Climate*
(Zane White, W. W. Wheeler & Associates)

Session 40: Security**
(Chris Davidson, Idaho Power)

Session 41
-The 1864 Failure of Dale Dike Dam (Sheffield, UK) - A Victorian Disaster*
(Bill Johnstone, Spatial Vision Group; Irfan Alvi, Alvi Associates, Inc.; Tom MacDougall, RJH Consultants, Inc.)
-Warnings Unheeded: The Tale of the 1994 Merriespruit Tailings Dam Disaster
(Meghan Walter, P.E., USDA-NRCS; Irfan Alvi, P.E., Alvi Associates, Inc; Riley Manwaring, EIT, Gannet Fleming)
-Camará Dam Failure 20 Years Later – New & Improved
(Juliana Rivera Alves Tabet, P.Eng, M.Sc., Enmax; Lucas Lobato Ribeiro, P.Eng., Vale Base Metals; Paul Risher, P.E., US Army Corps of Engineers; Abbas Dorostkar, Ph.D., P.E., Pacific Gas and Electric Company)

Session 42
-A Portfolio Dam Risk Assessment of 7 High Hazard Non-FERC Regulated Dams in Vermont*
(Matthew Taylor and Kevin Finn, GZA GeoEnvironmental, Inc.; Benjamin Green and Andrew Sampsell, VT Dam Safety Program)
-Utilizing the Good Ol’ Risk Index for Portfolio Prioritization
(Stephanie Williams, P.E., CFM, Cristopher Parker, P.E., and Juliana Tortato de Oliveira, P.E., HDR)
-Rack and Stack: Applying FEMA Tools for HHPD Funding Prioritization*
(Corey Schaal and Eric Snavely, Schnabel Engineering; Shiblu Sarker., VA Department of Conservation and Recreation)

Session 43
-Where Has Our Cement Gone? Transition to Type IL Portland Limestone Cement for Gross Reservoir RCC
(Ted Montoya, P.E., and Terry Arnold, P.E., AECOM; Orville Werner, P.E., CTL Thompson Materials Engineers; Paulo Virreira, P.E., Denver Water; Felipe Garcia, P.E., Stantec)
-Air Entrainment of Roller-Compacted Concrete - Real or Myth?*
(Joshua Gilman, Portland Cement Association; Randy Bass, Schnabel Engineering)
-Swelling Potential of Dam Foundations Due to Pyrite Oxidation
(Adam Paisley, Schnabel Engineering)

Session 44
-Truth and Consequences: How Studying the Truth Behind Updated Hydrology and Evaluating Downstream Consequences Saved Millions of Dollars in the Rehabilitation of Sheriff Dam’s Spillway
(Andrea Fasen, P.E., and Stephen Jamieson, W. W. Wheeler and Associates, Inc.)
-CFD and Physical Modeling of a Unique Glade Dam Spillway*
(Yongqiang Lan and Mike Zusi, AECOM; Tony Loeser and Troy Lyons, University of Iowa; Kevin Lock and Stephanie Cecil, Northern Water)
-Best Practices for Fuse Plug Spillway Design and Construction and Sanford Dam Fuse Plug Performance Evaluation
(Dennis Hanneman, P.E., Walt Heyder, P.E., and Tony Wahl, P.E., Bureau of Reclamation)

Poster-Lightning Talks
-Herbert Hoover Dike: Geotechnical Solutions that Restored a Failing Dam*
(Brian Hurst, US Army Corps of Engineers)
-Improvements to Aging Infrastructure at PL-566 Dams*
(Shannon Bell, Stephen Hamrick, and Cory Ramsey, Fairfax County)
-Rough River Dam New Outlet Works and Cutoff Wall Project
(Steven Shifflett, P.E., US Army Corps of Engineers)
-History of USACE Full-Scale Floodwall Testing*
(Terry Sullivan, Geosyntec)
-Cool Tools: Enhancing the Design Process for Massive Dam Projects Using Civil3D and Bluebeam
(Paul Eggers, P.E., PMP, McMillen; Steffanie Pepin, P.E., Ayers Associates; and Stephanie Klaysmat, EI, GEI Consultants)
-Dam safety consequences for Periodic Risk Assessment: A case study of three dams in Southern California*
(Carmen Bernedo Sanchez, Stantec)
-Chasing the Moving Target: Emergency Planning in a Rapidly Changing Landscape*
(Madi Miro, Kevin Chapman, and Kate Naughton, Hazen and Sawyer)
-EAP Activation to Validate TTX and Guide Dam Modification Design*
(Nathan Jorgensen, P.E., and Chad Masching, P.E., GEI Consultants, Inc.; Waylon Truax, White Mountain Apache Tribe)
-Running with the Bull - A Navigation of the NRCS Watershed Program Technical and Financial Assistance Policy*
(Tyler Coats and James Crowder, Schnabel Engineering; Eric Harris, USDA-NRCS)
-Risk Informed Assessment of Sympson Lake Dam*
(Adam Hacker and David Moore, HDR; Erik Scott, Kentucky Transportation Cabinet)
-Looking Beyond the Deterministic to a More Robust Dam Breach Analysis
(Eric Toth, P.E., and Priyanka Jain, P.E., East Bay Municipal Utility District; Christopher Goodell, P.E., BC.WRE, and Ben
Cary, P.E., Kleinschmidt)
-Last State Enacts a Dam Safety Program – Historical Road to Program Development
(Randy Bushey, P.E., Jacobs; Steve Newton, P.E., TTL, Inc.)
-The Engineer Shortage: Challenges, Impacts, and Actions*
(Bryant Robbins and Nathan Snorteland, US Army Corps of Engineers)
-Removal of Mercury (Hg2+) from Aqueous Solution Using Nanoadsorbents*
(Abel Egbemhenghe, Texas Tech University)
-Erosion Test Database Reassessment with Application to Engineered Soils
(Nalini Torres and Ethan Vroman, US Army Corps of Engineers; Joe Tom, Ph.D., formerly US Army Corps of Engineers)
-Testing Hydraulic Asphalt Core at Chimney Hollow Dam*
(Russell Grant, Kleinfelder)
-Assessment of Levees Using Field Instrumentation and Geophysical Methods
(Omer Alzeghoul, Audrika Nahian, and Sadik Khan, Jackson State University; Jasim Imran, Austin Downey, and Laura
Micheli, University of South Carolina)
-Hydrochemical Monitoring of Dam Seepage in the State of São Paulo, Brazil*
(Rafael Terada, São Paulo University; Mariza Silva and Michele Jesus, Companhia de Saneamento Básico do Estado de
São Paulo; Tatiana Sakagami, Fundação Centro Tecnológico de Hidráulica)
-Application of Biopolymers to Reduce Breaching in Experimental Earthen Dams*
(Edwin Kotey, Ezzat Elalfy, Enrica Viparelli, and M. Hanif Chaudhry, University of South Carolina)
-Numerical and Experimental Modeling of Breach Development in Untreated and Biopolymer-Treated Sand Dams
(Ezzat Elalfy, Matthew Czapiga, Ph.D., Enrica Viparelli, Ph.D., and M. Hanif Chaudhry, Ph.D., University of South Carolina)
-Generating a Service Spillway Rating Using Both Physical and 3D CFD Modeling*
(Bryan Heiner; Brian Fox, Flow Science)
-Numerical Modeling and Simulation of Seismic Response of a Concrete Faced Rockfill Dam Measured in Dynamic
Centrifuge Tests*
(Ozgun Numanoglu, Schnabel Engineering; Muhsin Acar, The State Hydraulic Works; Youssef Hashash, University
of Illinois at Urbana-Champaign)
-The Critical Consideration of Tailings Characterization in Practical Tailings Dam Break Modeling*
(Reinaldo Garcia and Nick Calero, Hydronia LLC; Sergio Martinez-Aranda and Pilar Garcia-Navarro, University of Zaragoza)
-HEC-RAS or DSS-Wise Lite: Which Modeling Program to Choose? A State’s Perspective*
(Ryan Kneifel and Ryan Heskett, OH Department of Natural Resources)
-Non-stationarity (trend) Detection Algorithms: A Surgical Data Toolkit to Manage Terrestrial Arteries (rivers) and
Pace-makers (dams)
(C. Haden Smith, P.E., and Keil Neff, P.E., US Army Corps of Engineers)
-Can You See It? Outlet Inspections Using Compact ROV’s*
(John Batka and Kallie Bauer, Colorado Dam Safety)
-I, II, III Isn’t Elementary: The Three Levels of Underwater Inspection*
(Brian Schroeder, Collins Engineers, Inc.)
-Fish Passage system for medium and high head dams
(Henry Obermeyer, Obermeyer Hydro Inc)