Managing Risk and Uncertainty - Ensuring a Sustainable Future for Dams, Levees and Reservoirs

Plenary Session
Safety Assessment on the Heightening Project of Danjiangkou Dam. (Li Songhui, China Institute of Water Resources and Hydropower Research)

Managing Risk and Uncertainty
Lessons Learned from Reclamation’s Two Decades of Risk Assessment Experience. (William Engemoen, Daniel Osmun and William Fiedler, Bureau of Reclamation)

Dam Safety Portfolio Risk Management: Private Sector vs. Government. (George A. Kelley, Tennessee Valley Authority; David B. Paul, Corps of Engineers; and Robert C. Bachus and Glenn J. Rix, Geosyntec Consultants)

The FERC RIDM . What's in it for Me? (Guy S. Lund, AECOM; and Bill Christman and Gene Yow, Chelan County Public Utility District)

Risk Prioritization and Mitigation Evaluation for a Portfolio of Dams in Kentucky. (Michelle Meehan and Jonathan Keeling, Stantec)

The Role of Empiricism in Quantitative Risk Analysis. (William Engemoen, William Fiedler and Daniel Osmun, Bureau of Reclamation)

Transitioning to Risk-Informed Design Standards — Corps of Engineers Strategies for Major Revisions to its Design Philosophies. (Nathan J. Snorteland, David A. Margo, Jeffrey A. Schaefer, Mark W. Pabst, Scott E. Shewbridge and Richard Varuso, Corps of Engineers)

Evaluation Tool D-SMART for Risk-Based Dam Safety Management. (Jeong-Yeul Lim and Nam-Ryong Kim, K-water Institute)

Site Characterization of Dam Infrastructure for Engineering Risk Assessments Using a GIS. (Meghann Wygonik, Christopher Kelly, William Walker and Baron Worsham, Corps of Engineers)

Construction
Design and Construction of a Secant-Pile Cutoff Wall in Variable Ground Conditions. (Erik Newman and Michael Forrest, URS Corporation; and Kylan Kegel and Kenneth Pattermann, Corps of Engineers)

Hybrid TRD and Jet Grout Cutoff Wall at Lake Manatee Dam. (James D. Hussin, Glen R. Andersen, Dennis Boehm and Curtis Cook, Hayward Baker Inc.)

Double Row Grout Curtain Design and Construction for Cedar Creek Dam in Malakoff, Texas. (Daniel P. Bole, Hayward Baker Inc.; Marc T. Miller, Freese & Nichols Inc.; and Billy L. Fisher, Hayward Baker Inc.)

Grouting Underwater Joints in Concrete Intake Structure. (Michael McCaffrey, Parsons Brinckerhoff; Mark Gross, APGI, Yadkin Division; and Tony Plizga and Florijon Dhimitri, Parsons Brinckerhoff)

Leak Sealing of Underwater Joint on Upstream Face of a Concrete Gravity Dam. (Kevin Finn, Parsons Brinckerhoff; Jeff Auser and Matthew Johnson, Brookfield Renewable Power; and Paul Shiers and Michael McCaffrey, Parsons Brinckerhoff)

Deep Water at Horse Mesa Dam — Design of Repairs. (George V. Sabol, Stantec Consulting Services Inc; Roger Baker, Salt River Project; and Michael Langen, Global Diving & Salvage, Inc.)

Deep Water Construction at Horse Mesa Dam. (Michael Langen, Global Diving & Salvage, Inc., George V. Sabol, Stantec Consulting Services Inc; and Roger E. Baker, Salt River Project)

Embankment Dams
Evaluating the Mechanics of Piping Erosion Initiation Through Laboratory Modeling. (Richard Keizer, GEI Consultants, Inc.; and John Rice, Utah State University)

Examination of Three-Dimensional Effects of Internal Erosion (IE) and Piping Processes in Soil. (Scott Anderson and Keith Ferguson, HDR Engineering, Inc.)

Evaluation of Impact of Density on Filtering Properties of Narrow Vertical Filters. (Edwin R. Friend, RJH Consultants, Inc., Kerry Repola, Advanced Terra Testing; Robert J. Huzjak, RJH Consultants, Inc.; and Chris Wienecke, Advanced Terra Testing)

Mix Design and Construction of Asphalt Concrete Face Slab in Frozen Region. (Lu Yihui, Feng Minghui, Xia Shifa, Hao Jutao and Liu Zenghong, China Institute of Water Resources and Hydropower Research)

Revisiting a Forgotten Dam Building Technology: Concrete Core Walls in Embankment Dams. (Richard R. Davidson, URS Corporation; and Kenneth B. Hansen, Consulting Engineer)

Risk Assessment: Balancing Act to Achieve Long-Term Stability for Safety of Aging Dams. (William J. Friers and Kapila S. Pathirage, CDM Smith; and Chris E. Wheland, Department of Public Utilities, City of Troy, NY)

Seismic
Pragmatic Design of an Embankment Dam: Bury Deadmen and Forget About It (Forgetaboutit). (Michael S. Quinn and Gary Dale, CHA Consulting, Inc.)

Generalized Scaling Principles for Physical Modeling of Embankment Dams inEvaluation of Seismic Behavior. (Nam-Ryong Kim and Jeong-Yeul Lim, K-water Institute; and Ik-Soo Ha, Kyungnam University)

Water Delivery After a Large San Andreas Earthquake — An Unconventional Retrofit Approach. (Michaele Monaghan, Gregory Reichert and Dustin Jolley, AECOM; and Leroy Gullette and Tasso Mavroudis, San Francisco Public Utilities Commission)

Seismic Risk to Flood-Control Structures and Agriculture in the New Madrid Seismic Zone of Arkansas and Missouri. (Christopher A. King, Natural Resources Conservation Service, USDA)

Analysis of Seismic Deformations and Cracking for Embankments of the Tekapo Canal. (Lelio H. Mejia and Ethan Dawson, URS Corporation)

Dam Failure-Nuclear Plant Seismic PRA Model — Modeling Correlations and Uncertainty. (Martin W. McCann, Jr., Jack R. Benjamin & Associates, Inc.; Greg Paxson, Schnabel Engineering; and Raymond Schneider and Andrea Maioli, Westinghouse Electric Company, LLC)

Hydrology and Hydraulics I
Lessons Learned from the Bluestone Dam Inflow Design Flood Update.. (D. Moses, N. Koutsunis, K. Halstead and D. Margo, Corps of Engineers)

Hydraulic Modeling for Coastal Dams. (Chad W. Cox, Kristina Ekholm and Bin Wang, GZA GeoEnvironmental Inc.)

Hydrologic Investigation for Saddleback Flood Retarding Structure. (Bert Clemmens and Suzanne Monk, WEST Consultants, Inc.; Stephanie Gerlach, Flood Control District of Maricopa County; and Chuck Davis, WEST Consultants, Inc.)

Addressing Operational Risks and Uncertainties for Gated Spillways. (Greg Paxson, Robert Indri and Mark Landis, Schnabel Engineering, Inc.)

Debris and Maintenance of Labyrinth Spillways. (Brian M. Crookston, Schnabel Engineering, Inc.; Dustin Mortensen and Tina Stanard, Freese and Nichols, Inc.; Blake P. Tullis, Utah State University; and Victor M. Vasquez, Freese and Nichols, Inc.)

Design Approaches and Numerical Modeling of a Stepped Spillway Under High Tailwater Conditions. (Laura Shearin-Feimster and Brian M. Crookston, Schnabel Engineering, Inc.; and Stefan Felder, University of New South Wales)

Modeling Flooding from a Catastrophic Dike Breach Along Elbe River, Germany. June 2013. (Robert Jüpner, University of Kaiserslautern; André Assmann, geomer GmbH; Thilo Weichel, State Authority for Flood Protection and Water Management; Bernd Ettmer and Stefan Müller, University of Applied Sciences Magdeburg-Stendal; and Nageshwar Bhaskar, University of Louisville)

Dam Removal and Restoration Methods: HEC-RAS Modeling of the Former Chambersburg Reservoir. (Zachary R. Phillips, Shippensburg University)

Construction Flood Case Histories. (Daniel D. Mares and David P. Keeney, Bureau of Reclamation)

Update No. 2 of the Calaveras Dam Replacement Project. (Michael Forrest and John Roadifer, URS Corporation; and Daniel Wade, Susan Hou, Tedman Lee and Carman Ng, San Francisco Public Utilities Commission)

Soil Cement Armoring for Dams: Key Project Controls for Successful Construction. (Don Roarabaugh and Dan Stare, Gannett Fleming, Inc.; and Larry Corn, Kiewit Infrastructure South Co.)

Rehabilitation of the Cylinder Gate at SRP’s Horseshoe Dam. Gary (Brady and Noel Guercio, Stantec Consulting Services Inc.; and Kevin Wolford and Roger Baker, Salt River Project)

Concrete Dams
Seismic Fragility for Risk Assessment of Concrete Gravity Dams. (Yusof Ghanaat, Quest Structures, Inc.; and Robert C. Patev and Anjana K. Chudgar, Corps of Engineers)

Evaluating Seismically Induced Hydrodynamic Loads on Spillway Gates. (Jerzy Salamon, Bureau of Reclamation)

Crack Mechanism and Prevention Measures of Concrete in the Initial Pouring Based on Field Temperature Gradient Experiment. (Liu Youzhi, Zhang Guoxin and Wang Zhenhong, China Institute of Water Resources and Hydropower Research; and Li Renjiang, China Three Gorges Corporation)

Evaluating Relative Condition of Repeated Structural Elements with Performance-Based Testing...(Spenser Anderson, Peter Orme and Ziyad Duron, Harvey Mudd College; and Kevin Marshall and Randy Nash, Grant County Public Utility District)

Analytical and Numerical Modeling of the Wanapum Pier-Ogee Spillway. (Peter Orme, Spenser Anderson and Ziyad Duron, Harvey Mudd College; and Kevin Marshall and Randy Nash, Grant County Public Utility District)

Wanapum Future Unit Intake Dynamic Analysis for Risk Informed Decision Making... (James H. Rutherford, Hatch Associates Consultants, Inc.; Kevin Marshall and Dave Mishalanie, Grant County Public Utility District; and Dan Curtis and Gurinderbir Sooch, Hatch Associates Consultants, Inc.)

New Innovative Technique for Strengthening Old Buttress Dams and Multiple Arch Dams...(Thomas Konow, Consultant Engineer — Dam Safety, Norconsult, Norway)

Evaluation and Monitoring of Argonaut Dam. (Christopher M. Abela, Corps of Engineers)

The Damage Rating Index: Assessing the Severity of Alkali-Aggregate Reaction in Concrete Dams...(Fred H. Shrimer, Golder Associates)

Old Dams, New Faults — Now What? John C. Stoessel, Southern California Edison Co., (C. Mike Knarr, Consulting Civil/Structural Engineer, Nicholas Von Gersdorf and Matt Muto, Southern California Edison Co.; and Zee Duron, Harvey Mudd College)

Gate Trunnion Anchor Removal and Analysis. (Jesse Kropelnicki, Parsons Brinckerhoff; Robert F. Lindyberg, FDH Engineering; and Tony Plizga, Parsons Brinckerhoff)

Metolong Dam and Raw Water Pump Station — Challenges, Successes, and Lessons Learned.. (Stephen L. Whiteside, CDM Smith; David Bosshart, Metolong Program Management Unit; and Peter P. Macy, CDM Smith)

Highlights and Challenges of Constructing the Portugues Thick-Arch RCC Dam in Puerto Rico....(Rafael Ibáñez-de-Aldecoa, David Hernández and Eskil Carlsson, Dragados USA, Inc.)

Levees
Analysis of Ship Grounding for Dams of the Panama Canal Expansion Project. (Lelio Mejia, Ethan Dawson, and Rajendrum Arulnathan, URS Corporation; and Maximiliano De Puy, Panama Canal Authority)

Modeling Geomorphic Features in Levee Reliability Analyses. (Lourdes Polanco-Boulware and John Rice, Utah State University)

When Your Levee Cannot be Accredited ....Then What?. (Maureen P. Cissel, McCormick Taylor)

Best Practices for Seepage Data Collection During Levee Flood Fights. (Cory Williams and Noah Vroman, Corps of Engineers)

Tailings and Ash Impoundments
Evaluation of Mine Breakthrough at Coal Tailings Impoundments. (Aaron Antell, Erik R. Schuller and Robert M. Shusko, D’Appolonia Engineering)

Factors Affecting Upstream Construction at Coal Tailings Impoundments. (Robert M. Shusko, Aaron J. Antell and Andrew J. Antell, D’Appolonia Engineering)

Seismic Evaluations for Coal Combustion Residual Impoundments in the Eastern Seismic Zone. (W. Shin, James McNash and Ramachandran Kulasingam, Geosyntec Consultants)

Conditions of Coal Ash Embankments. (John Seymour, Omer Bozok, Amanda Hughes and Brad Bodine, Geosyntec Consultants)

Geotechnical Properties and Diagenesis of Ponded Fly Ash. (Robert C. Bachus, Geosyntec Consultants; and J. Carlos Santamarina, Georgia Institute of Technology)

Preservation of Piezometers and Associated Automated Data Acquisition Systems in Tailings Dams. (Dennis J. Fela and David R. Welters, D'Appolonia Engineering)

Dam Safety and Security
Implementation of New York State’s Guidance for Dam Hazard Classification. (Kevin Ruswick and Gregory Daviero, Schnabel Engineering)

From Data Graveyards to Smart Phones: Leveraging Technology to Modernize Dam Hazard Assessments. (Benjamin Israel-Devadason, Paul G. Schweiger, Kate Aulenbach and Amanda J. Hess, Gannett Fleming, Inc.; and Karen Goff, North Dakota State Water Commission)

Potential Failure Modes for a Natural Dam Including Estimated Duration of Failure Modes...(David Thompson, MWH Global; Li Yan, BC Hydro; Greg Rollins, MWH Global; and Ken Lum, BC Hydro)

A Near-Miss — A Historic Rainfall Located the Weak Link in Upgraded Embankment Dam. (Daniel L. Johnson, Tetra Tech, Inc.; Brad Dallam, City of Lafayette, Colorado; and Ryan D. Schoolmeesters, State of Colorado)

Conveying Lessons Learned from Dam Incidents and Failures. (Paul Schweiger and Greg Richards, Gannett Fleming, Inc.)

Exposure: A New Decision Metric for Selecting Effective Sets of Security Upgrades. (Kevin E. Burns, James D. Morgeson and Jason A. Dechant, Institute for Defense Analyses; Yazmin Seda-Sanabria, Corps of Engineers; and Enrique E. Matheu, U.S. Department of Homeland Security)

Blast Impacts Assessment for Embankment Dams: Parametric Study Results and Design Implications. (James Parkes and Rodney Sedillo, Parsons Brinckerhoff, Inc.)

Systems Analysis of Dam Safety at Operating Facilities. (R. Ascila, Vattenfall; G.B. Baecher, University of Maryland; D.H.D. Hartford, BC Hydro; A.N-A. Komey, University of Maryland; R.C. Patev, Corps of Engineers; and P.A. Zielinski, OPG)

Monitoring
Using Monitoring Programs to Manage Dam Safety Risks. (Jay N. Stateler, Bureau of Reclamation; and Brad Iarossi, U.S. Fish and Wildlife Service)

Construction and Monitoring of Extraction Wells at the Blue Ridge Dam Embankment.. (Peter Zimmerman, ARCADIS; and Lindsay McMichen, Tennessee Valley Authority)

Performance Monitoring to Help Manage Risk for Dams and Impoundments. (W. Allen Marr, Geocomp Consulting Inc.)

Time-Function Method to Establish Piezometer Performance Parameters. (Brian Hart, Bureau of Reclamation)

TVA’s Instrumentation and Monitoring Program — Helping Manage Risks Associated with Waste Impoundments...(W. Allen Marr, Geocomp; Nicolas McClung and Scott Turnbow, Tennessee Valley Authority; and Dori Ross, Geocomp Corp.)

Predicting Piezometric Response During High Loading Events Based on Limited Historical Data.. (Chun-Yi Kuo, Troy S. O’Neal and Richard B. Hockett, Corps of Engineers)

Foundations
The Efficacy of Predrilling in Seepage Barrier Wall Construction. (John W. France, AECOM; Michael F. Zoccola, Corps of Engineers; and Li Yan, BC Hydro)

Seepage Control Upgrade for Ruskin Dam Right Abutment. (Nathan Sweeney, Li Yan and Saman Vazinkhoo, BC Hydro)

Moose Creek Dam — Risk Assessment of an -Mile Long Dam Founded on Deep Sand and Gravel Deposits with Discontinuous Permafrost in Fairbanks, Alaska . (Troy S. O’Neal and Chun-Yi Kuo, Corps of Engineers)

Evaluating Erodibility of Gravelly Fine-Grained Soils Using the Submerged Jet Erosion Test.. (Tony L. Wahl, Bureau of Reclamation)

Using Combined Field Geologic Mapping and Photogrammetry to Document Foundation Structural Geology and Weathering, Folsom Auxiliary Spillway Joint Federal Project, Folsom, CA. (Tatia R. Taylor and F. James Martin, Corps of Engineers; and Joshua E. Domme, Kiewit Infrastructure West Co.)

Public Awareness
Building a Floodwall in Manhattan. (Matthew Redington, HDR Engineering, Inc.)

Juggling Conflicting Needs at Tims Ford Dam for Warm and Cold-Water Species, Recreation, and Flood Control..(Colleen R. Montgomery and John T. Baxter Jr.; Tennessee Valley Authority)

Dam Decommissioning
Demolition of Dams and Potential Development of Run-of-River Projects Using Alternative Fish Screen Intakes..(Jon Y. Kaneshiro, Parsons Corporation; and Don Dodds, North Pacific Research)

Geotechnical Meets Geology — Investigating the Carmel River Reroute and Dam Removal Project.. (Kami Deputy, Kleinfelder, Inc.)

Managing Uncertainties during Hydropower Dam Removals. (Peter E. Haug, Ayres Associates Inc.)

AMP Hydro Projects
Time to Generate Power — New Hydro Development on the Ohio. (Paul R. Blaszczyk, MWH Americas, Inc.; Kevin Griebenow, Federal Energy Regulatory Commission; and Philip E. Meier, American Municipal Power, Inc.)

Holding Back the Ohio — Cofferdam and Cut-off Design and Construction. (Thomas G. Andrews, Lin Zhao and John M. Hynes, MWH Americas, Inc.; and Philip E. Meier, American Municipal Power, Inc.)

From the Ground Up — Ground Improvement for Hydro Development on the Ohio River...(Abid A. Mirza, Lin Zhao, John M. Hynes and Thomas G. Andrews, MWH Americas, Inc.; and Philip E. Meier, American Municipal Power, Inc.)

Optimized — Hardfill Mix Design and Testing. (Terrence Arnold and Brandi Antal, MWH Americas, Inc.; Philip E. Meier, American Municipal Power, Inc.; and Taylor M. Scott, MWH Americas, Inc.)

Built to Last — Hardfill Construction. (Stefano M. Truschke, Terrence E. Arnold and Taylor M. Scott, MWH Americas, Inc.; and Philip E. Meier, American Municipal Power, Inc.)

Upgraded — New Powerhouses at Existing USACE Dams on the Ohio. (Jason A. Bodily and Christ Konstantellos, MWH Americas, Inc.; and Philip E. Meier, American Municipal Power, Inc.)

Better Safe than Sorry — Surveillance and Monitoring of Hydro Construction on the Ohio... (John M. Hynes, Lin Zhao, Abid A. Mirza and Thomas G. Andrews, MWH Americas, Inc.; and Philip E. Meier, American Municipal Power, Inc.)