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  • Reservoir Sedimentation and Sustainable Management

    Contains 4 Component(s), Includes Credits Includes a Live Web Event on 11/18/2021 at 10:00 AM (MST)

    This webinar is for dam operators, consultants, and decision makers who may not have expertise in sedimentation, but who are interested in sustaining reservoir storage capacity. Management solutions include reducing sediment yields from the upstream watershed, passing inflowing sediments through or around the reservoir, or removing previously deposited sediments from the reservoir. Economic analysis of reservoir sedimentation management will also be discussed.

    Ever wonder what happens when a reservoir reaches the end of its sediment design life? Ever thought about what it would take to replace the current water storage benefits of a reservoir? The problems and solutions to reservoir sedimentation will be described in the USSD webinar on reservoir sedimentation and sustainable management. This webinar is for dam operators, consultants, and decision makers who may not have expertise in sedimentation, but who are interested in sustaining reservoir storage capacity. In 2018, the USSD Board of Directors passed a resolution that “encourages all dam owners to develop long-term reservoir sediment-management plans for the reservoirs that they own or manage by 2030.” (https://www.ussdams.org/wp-content/uploads/2018/03/Sustainable-Reservoir-Sediment-Management-Plan.pdf)

    All rivers naturally transport sediment (clay, silt, sand, and gravel) and reservoirs tend to trap this sediment, reducing water storage capacity. In addition, continued reservoir sedimentation will eventually threaten the reliable operation of dam outlets, reservoir water intakes, boat ramps and marinas. There are no early warning signs of sedimentation problems. The first symptom may be a dam outlet or water intake plugged with woody debris and sediment.

    Sustainable sediment management begins with monitoring, normally through repeat bathymetric surveys of the remaining storage capacity. Management solutions include reducing sediment yields from the upstream watershed, passing inflowing sediments through or around the reservoir, or removing previously deposited sediments from the reservoir. Economic analysis of reservoir sedimentation management needs to compare all costs and benefits associated with each alternative. Although some people assume that ignoring sedimentation is the cheapest option, the cost of sustainable sediment management can be less than the cost of upstream channel aggradation (increased groundwater and flood stage), downstream channel degradation (erosion of habitat, infrastructure, and property), diminishing reservoir storage capacity, eventual dam decommissioning, and the construction of replacement reservoir storage.

     2-hour webinar, including three 30-minute presentations, followed by a 30-minute question and answer session

     


    Eligible for 2 PDHs

    George W. Annandale, Ph.D., P.E.

    President

    George W. Annandale, Inc.

    Dr. Annandale has more than 45 years of experience as a civil engineer specializing in water resources engineering.  He has published numerous peer-reviewed papers and is author and co-author of five books on sedimentation and scour. He was named by International Waterpower and Dam Construction as one of 20 engineers who globally made a significant contribution to dam engineering. He specializes in scour of rock and sustainable development of water resource infrastructure; focusing on reservoir sedimentation management, dam safety and climate change assessment. 

    Gregory L. Morris, Ph.D., P.E.

    GLM Engineering

    Paul Boyd, Ph.D., P.E.

    Hydraulic Engineer

    U.S. Army Corps of Engineers

    Tim Randle, Ph.D., P.E. (Moderator)

    Retired

    Bureau of Reclamation

  • Instrumentation Data Analysis Tips and Tricks

    Contains 4 Component(s), Includes Credits Includes a Live Web Event on 08/26/2021 at 10:00 AM (MDT)

    This webinar will focus on how to analyze the data from instrumentation to understand project performance. It will highlight common errors and misunderstandings to be avoided as well as how to identify concerning data.

    This webinar will focus on how to analyze the data from instrumentation to understand project performance.  It will highlight common errors and misunderstandings to be avoided as well as how to identify concerning data.

    Eligible for 2 PDHs

    Mike Davis

    Senior Geotechnical Consultant

    Stantec

    With more than 15 years of geotechnical engineering experience, Mike is passionate about the use of technology and enhanced dam monitoring practices that make dam operations and mining projects safer and more sustainable. In his current role, Mike’s primary focus on enhancement of dam safety management systems allows project and client teams to achieve greater efficiency and confidence in making important operational and management decisions. He is best known for geotechnical performance monitoring using discretized sensor networks, automated systems, GIS based inspection and monitoring systems, and Interferometric Synthetic Aperture Radar (InSAR) analysis.

    ​Tony Simmonds

    Director

    Geokon

    Tony Simmonds is a Director at Geokon, Lebanon, NH, USA, a manufacturer of geotechnical instrumentation, where he has worked for over 35 years. He graduated from Portsmouth University, in the UK, in 1979 with an honors degree in Engineering Geology and Geotechnics. He is responsible for Geokon’s network of overseas agents, representatives and system integrators and travels extensively to support them both on site and in commercially related matters.  Among the many projects in which he has been involved, some of the most notable include the Three Gorges Dam (China), the Petronas Twin Towers (KL, Malaysia), Itaipu Dam (Paraguay/Brazil), the Central Artery Project (Boston USA) and the Potzdamer Platz (Berlin, Germany).  Tony is an active member of the TRB (Transportation Research Board), DFI (Deep Foundations Institute), ISSMGE (International Society for Soil Mechanics and Geotechnical Engineering), and ASCE (American Society of Civil Engineers).

    Pierre Choquet

    Technical Advisor and Vice-President of Market Development

    RST Instruments, Inc.

    Pierre Choquet has been involved in the field of Geotechnical Instrumentation and Monitoring for most of his career. He joined RST Instruments of Maple Ridge, BC in 2007 and is now Technical Advisor and Vice-President of Market Development. Pierre graduated in Geological Engineering (Engineering Geology) from Ecole Polytechnique in Montreal and subsequently obtained a doctorate degree in Rock Mechanics from Ecole des Mines de Paris in France. From 1982 to 1993 he was a faculty member at the department of Mining and Metallurgy of Laval University in Quebec City where his specialty was rock mechanics, ground control, and applied geology. Pierre is a member of the USSD Committee on Monitoring Dams and their Foundations and is the Canada representative on the ICOLD Technical Committee on Dam Surveillance. He is also the Editor of the Instrumentation and Monitoring column of the Canadian Geotechnique magazine.

    Georgette Hlepas, PhD, PE (Moderator)

    National Geotechnical Policy Advisor

    US Army Corps of Engineers

    Located in DC, Dr. Hlepas is also the lead for the USACE Instrumentation and Performance Monitoring Community of Practice and the Chairperson for the USSD Monitoring of Dams and Their Foundations Committee.  She has ~13 years of experience in geotechnical engineering and instrumentation with USACE and has been an Presenter of several instrumentation courses.  Dr. Hlepas has a PhD in Civil and Materials Engineering from the University of Illinois at Chicago and is a licensed Professional Engineer in Illinois.

  • Data Acquisition and Visualization

    Contains 4 Component(s), Includes Credits Includes a Live Web Event on 07/22/2021 at 10:00 AM (MDT)

    Learn about data acquisition from the field, and general considerations for efficient data collection/transfer/storage. Once that data is collected, visualization is key, and there will be discussions on how to transform that data into useable information for evaluation and communication.

    Learn about data acquisition from the field, and general considerations for efficient data collection/transfer/storage.  Once that data is collected, visualization is key, and there will be discussions on how to transform that data into useable information for evaluation and communication.

    Eligible for 2 PDHs

    Josh Brown

    Global Infrastructure Group Manager

    Campbell Scientific

    Josh has five years of Civil Engineering experience (Twin Falls, ID) and nine years of instrumentation experience (Campbell Scientific, Logan, UT).  Notable assignments included project and plan review for the City of Twin Falls, ID and third-party project management and oversight for the Idaho Transportation Department during major roadway projects.  He has assisted customers on a global basis with data acquisition systems for agricultural applications, bridges, buildings, and dams.  Josh earned a B.S. degree in Civil Engineering from Utah State University.

    Mike Davis

    Senior Geotechnical Consultant

    Stantec

    With more than 15 years of geotechnical engineering experience, Mike is passionate about the use of technology and enhanced dam monitoring practices that make dam operations and mining projects safer and more sustainable. In his current role, Mike’s primary focus on enhancement of dam safety management systems allows project and client teams to achieve greater efficiency and confidence in making important operational and management decisions. He is best known for geotechnical performance monitoring using discretized sensor networks, automated systems, GIS based inspection and monitoring systems, and Interferometric Synthetic Aperture Radar (InSAR) analysis.

    Shaun Dustin

    President & Founder

    Dustin Engineers

    Shaun was trained as a Geotechnical and Water Resources Engineer. He was the VP of development for Sideplate Systems. In 2009 he received his PhD from Utah State University. He ran Campbell Scientific's Geotechnical and Structural Monitoring group for several years, then went to work for Allen Marr at Geocomp as a Senior Engineer for monitoring systems.

    In May 2018, Shaun left GeoComp and won the contract for instrumentation of the Qiddiya Project, a multi billion dollar entertainment complex in Riyadh, Saudi Arabia. Bill Bradford joined the firm in October 2018, and now Dustin Engineers is managing several projects in Saudi Arabia and the USA.

    Georgette Hlepas, PhD, PE (Moderator)

    National Geotechnical Policy Advisor

    US Army Corps of Engineers

    Located in DC, Dr. Hlepas is also the lead for the USACE Instrumentation and Performance Monitoring Community of Practice and the Chairperson for the USSD Monitoring of Dams and Their Foundations Committee.  She has ~13 years of experience in geotechnical engineering and instrumentation with USACE and has been an Presenter of several instrumentation courses.  Dr. Hlepas has a PhD in Civil and Materials Engineering from the University of Illinois at Chicago and is a licensed Professional Engineer in Illinois.

  • Underwater Inspection Technologies and Construction Techniques for Dams

    Contains 4 Component(s), Includes Credits Includes a Live Web Event on 06/24/2021 at 10:00 AM (MDT)

    This webinar provides overviews of manned diving and successful remote technologies; underwater construction techniques to make structural repairs of concrete structures and mechanical equipment; and will wrap up with 3 relevant case histories.

    The average age of dam in the United States is about 60 years. With passing years, underwater structures in dams face integrity issues. These include:

    1) Cavities/cracks/defects in the dam face. These defects could impact the integrity of the dam and create a dam safety issue.

    2) Leakage / concern of operability of emergency gates and seals

    3) Grooves for lowering gates could be corroded and broken

    4) Cement lining of penstock could be compromised thus leading to water leakage

    5) Over years, silt could have been deposited in the reservoir (and Tail race channel) thus giving the dam owners a deceptive reading of water availability in reservoir

     Engineering assessments of existing dams require inspections of submerged structures such as intake structures, gates, valves, waterways, tail races and stilling basins.  Underwater manual inspections have been typically performed by divers. Though divers have historically carried out underwater inspections, they are hampered by water depth / bottom time, differential of pressure (Delta P) potentials and subjectiveness of observation. Remotely operated vehicles (ROVs) are gaining popularity for inspection of dams: unaffected by depth, able to be put in harm’s way, able to ‘see’ through turbidity. New technologies in underwater robotic inspections are continually being developed and upgraded. The first session of the webinar will focus on presenting manned diving as well as remote technologies that are available and been used successfully for performing a variety of underwater inspections. The second session will be devoted to underwater construction techniques utilized to make structural repairs to concrete structures as well as mechanical equipment.  The third session will present 3 case histories.

    Eligible for 2 PDHs

    For all live webinars, join the meeting by

    1. logging in to the USSD Learning Center 10 minutes before the webinar starts (be sure you have a user name and password set up before the webinar starts!)

    2. Click the Contents tab.

    3. Select the correct webinar.


    Frank Immel

    Business Development Account Executive

    Global Diving & Salvage, Inc.

    Frank Immel, has been with Global Diving & Salvage, Inc. since 2005. In his current position of Business Development Account Executive, he works to develop and nurture client relationships and uncover opportunities that will benefit from Global’s extensive experience and capabilities in underwater inspection, repair, maintenance and construction. Global Diving & Salvage, Inc. is a leader in the marine services industry with decades of experience managing complex, critical and technical projects in and around the water. Our skilled and seasoned professionals offer safe and reliable marine construction, commercial diving, and marine casualty response.

    Dave Gillson

    Principal / Senior Project Manager

    Infrastructure & Marine Consultants

    David Gillson launched Infrastructure & Marine Consultants, LLC in 2011. His background encompasses over 35 years in the marine/underwater construction industry.  His experience as a commercial diver and diving supervisor along with his experience as a Business Unit Leader and as a member of the Board of Directors for several engineering/environmental firms has led to representing owners during large marine/underwater projects. His professional pursuits have entailed the effective exercise of both executive decision-making and hands-on project and construction management. Infrastructure& Marine Consultants provides expertise in Project Management, Construction Management and QA/QC inspection services for complex industrial projects within the marine and underwater construction industry.  Project Management includes; Feasibility Studies, Constructability Review during design; Construction Management includes; On-site Owners Representatives during construction. Risk Management; Change Order Review; Progress Payment Review. Final Inspection & Punch List; Construction Approval, Acceptance and Close-out. 

    Jared Bell

    Vice President of Western Region

    Ballard Marine Construction

    Mr. Bell is a highly experienced Senior Marine Engineer/Project Manager with an experienced history of steering complex engineering and construction projects to completion meeting all specifications with exactness on-time and on-budget. Mr. Bell serves as a pivotal member of the Ballard Marine Construction engineering and project management team creating and implementing plans in a variety of highly technical disciplines. He interfaces effectively with clients, owners, government agencies and other key personnel through the entire life of a project from design to completion.

    Mark Binsfeld

    Vice President - Business Development

    J.F Brennan Company, Inc.

    Mark Binsfeld is the Vice President of Business Development at J.F. Brennan Company and Brennan Marine, Inc., headquartered in La Crosse, WI, where he oversees sales, marketing, and client management across all five of their market areas. Brennan is a marine contracting company that provides above and below water services throughout the inland and coastal waterways of the United States. Market areas include marine construction, dam construction, railroad bridge construction, harbor management services, and environmental remediation and restoration.  Brennan employs nearly 600 people through the Midwest and east coast, of which 85 are ADCI certified commercial divers. Mark is part of the 4th generation of ownership at Brennan, which recently celebrated its 100th year in business. His background includes several years spent as a project manager on environmental dredging, marine construction, and lock and dam repair projects. He has a Mechanical Engineering degree from the University of Colorado at Boulder and a Master in Business Administration from Boston College.  

    Alex Kaplan

    Project Manager

    ASI Marine

    Alex has 20 years of experience in robotic inspection, starting with the development, testing and manufacture of underwater robots, and then moving into the service side of the industry as an ROV operator, field supervisor, and project manager. Alex has worked with clients in oil & gas, hydroelectric, nuclear, water supply, wastewater, and governments.

    Alex currently specializes in project planning, working with the customer and operations management to develop project scope and operational details; and project management, coordinating between the customer, suppliers, and field personnel. 

    David Paul (Moderator)

    Paul GeoTek Engineering

    David B. Paul, P.E., is retired from the US Army Corps of Engineers (USACE) at the end of 2018 after 42 years of Federal service, as the Dam Safety Officer for the Mosul Dam Task Force which provided technical assistance to the Government of Iraq in to mitigate dam safety issues associated with Mosul Dam.  He also served as Special assistant for Dam Safety at the U.S. Army Corps of Engineers (USACE) headquarters in Washington, D.C., responsible for managing the USACE’s portfolio of 715 dams.  He was the national specialist on critical infrastructure design, dam design, levee design, construction engineering, engineering risk assessments, interim risk reduction measures (IRRM), and dam and levee safety modifications.  He recently participated in the Risk Assessment for Oroville Dam in California.  Mr. Paul is currently a Trustee of the Deep Foundations Institute and a member of the United States Society of Dams (USSD), Association of State Dam Safety Officials (ASDSO) and American Society of Civil Engineers (ASCE). He is DFI Trustee for the Seepage Control and Grouting Committees and serves as Chairman of the USSD Committee on Construction & Rehab, and is also active with the Embankment Dams Committee. He is the USSD Representative to the International Commission on Large Dams (ICOLD) Embankment Dams Committee.

  • InSAR – Dam Safety Considerations and Applications

    Contains 3 Component(s), Includes Credits

    Learn how InSAR can be useful for monitoring dam safety.

    InSAR Mosul Dam


    This webinar will be focused on interferometric synthetic aperture radar (InSAR) applications for geotechnical engineers engaged in dam safety. InSAR is a satellite-based, remote sensing technology capable of measuring ground & infrastructure displacement with mm-scale precision. The technology is deployed as an ongoing monitoring tool to help mitigate geotechnical risk across a number of verticals. InSAR is being adopted by geotechnical engineers in mining, oil & gas, transportation, government and urban infrastructure sectors as a means to feasibly identify subtle surface displacements both in the past and present. Such surface displacements provide insights into potential slope instability, internal erosion, landslide induced damage to assets, settlement related failure modes of assets etc. The webinar will introduce the technology methodology, and work into real industry examples/results. Outline:

    The InSAR methodology used on a hydroelectric dam may change depending on the target application. Therefore, in order to maximize the success of a program, users must understand the appropriate risk mitigation in which this technology should be applied, and should be equipped with the knowledge of it’s relative strengths/weaknesses. As such, the following topics will be discussed: 

    1. Introduction to InSAR
    2. SAR Satellite Data (Frequencies, wavelengths, precision, resolution)
    3. InSAR Methodology
    4. Strengths/Limitations
    5. Operational case studies

      Eligible for 2 PDHs

    Ben Pantony

    3vGeomatics

    Benjamin Pantony (bpantony@3vgeomatics.com) works for 3vGeomatics Inc. (3vG). 3vG is based in Vancouver, BC and specializes in Interferometric Synthetic Aperture Radar (InSAR) technology. 3vG remotely identifies and monitors geohazards over very large areas for ground and infrastructure displacement using satellite images to inform clients of movement, subsidence, and uplift.

    William Empson

    Senior Dam and Levee Safety Risk Advisor Risk Management Center Institute for Water Resources

    USACE

    Manuele Pichierri, PhD

    Senior R&D Data Scientist

    3vGeomatics Inc. Electrical/Geomatic Engineering

    Dr. Manuele has 8 years working on the pre and post-processing of airborne and space-borne polarimetric InSAR and optical remote sensing data.

    Georgette Hlepas, PhD, PE (Moderator)

    National Geotechnical Policy Advisor

    US Army Corps of Engineers

    Located in DC, Dr. Hlepas is also the lead for the USACE Instrumentation and Performance Monitoring Community of Practice and the Chairperson for the USSD Monitoring of Dams and Their Foundations Committee.  She has ~13 years of experience in geotechnical engineering and instrumentation with USACE and has been an Presenter of several instrumentation courses.  Dr. Hlepas has a PhD in Civil and Materials Engineering from the University of Illinois at Chicago and is a licensed Professional Engineer in Illinois.

    Richard Carande

    General Atomics

    David Cohen

    General Atomics

    Baron Worsham

    USACE

  • Low-head Dams: Explained, Purposes, and Inventory

    Contains 3 Component(s), Includes Credits

    Topics Covered • Low head dams – defined, purposes, issues • What can be done – rehab, removal, signage • Our task group work and involvement Learning objective: Learn how to participate in creating a National Inventory of Low-head Dams Target audience: Dam Safety Directors, staff, and those in industry who support public safety efforts

    A low-head dam is a structure that is designed and built such that water passes over the crest continually from bank to bank.  These structures, also known as diversion dams and grade control structures, serve to provide a reliable water surface elevation upstream for diversion purposes or to control streambed incision.  There are thousands of these structures in the U.S. dating from colonial times to the present.  Besides presenting a barrier to upstream aquatic organism passage, conditions on the downstream side of the dam can present serious dangers to recreationists.  Hydraulic jumps form on the downstream side of low-head dams, and if the downstream depth is deep enough, the jump becomes submerged and forms a powerful reverse current called a “hydraulic.”  In these conditions, anyone passing over these innocuous-looking dams becomes trapped with very little chance of survival.  Those involved in attempted rescues also risk their lives.  These issues will be illustrated with examples and basic hydraulic theory.  Potential actions for those responsible for these structures include installation of signage, dam rehabilitation, or dam removal.  Many of these dams are no longer used for their original intent, while others continue to provide essential services.  To increase public awareness of the dangers and issues associated with low-head dams, the work of a national Task Force on the Creation of an Inventory of Low-head Dams will be described.  Opportunities to assist in this work will be explained to webinar participants.  Eligible for 2 PDHs

    Rollin Hotchkiss

    Professor, Civil and Environmental Engineering

    Brigham Young University

    Dr. Rollin Hotchkiss is a professor of civil and environmental engineering at Brigham Young University.  He is currently chairing a joint Task Force comprising members of USSD, ASDSO, and the Environmental and Water Resources Institute of the American Society of Civil Engineers to create a national inventory of low-head dams.  Besides working to reduce fatalities at such structures, Dr. Hotchkiss conducts research in extending the useful life of dams and reservoirs and applications of machine learning in water resources.  He is a professionally licensed civil engineer and holds advanced professional registration with the American Academy of Water Resources Engineers.

    Manuela Johnson

    Administrator of the State Disaster Relief Fund (SDRF), and Indiana Silver Jackets State Lead

    Indiana Department of Homeland Security

    Manuela Johnson works at the Indiana Department of Homeland Security in the Response and Recovery Division.  She is the administrator of the State Disaster Relief Fund.   She is the State Lead for the National award winning Indiana Silver Jackets Team.  The Indiana Silver Jackets  has been actively working to draw public awareness to the issues associated with low head dams.  During the last legislative session Indiana passed a law directed specifically at safety at low head dams. 

    In addition, Manuela serves as co-Vice Chair of the Joint Task Force on Low-head Dams and is a member of the ASDSO Safety AT Dams subcommittee. 

     Manuela graduated from Indiana Purdue University at Indianapolis (IUPUI) with a Bachelor’s degrees in Chemistry and Biology. Manuela has worked and volunteered in public safety and emergency management for nearly 40 years.  She holds a number of firefighting and EMS certifications and has served as a certified fire service instructor and fire investigator.  She is married and enjoys gardening, photography, volunteering at her church and working as a safety team member for motorsports events regionally.

    Brian Crookston

    Assistant Professor, Civil and Environmental Engineering Department, and Utah Water Research Laboratory

    Utah State University

    Brian Crookston is an Assistant Professor at Utah State University in the Civil and Environmental Engineering Department and at the Utah Water Research Laboratory.  His research group is focused on water sustainability and resiliency including: hydraulic structures, fluvial hydraulics, and modeling and technology. Brian has particular interest in public safety at low-head dams along with the hydraulics of spillways, chutes, energy dissipators, nonlinear weirs, physical and numerical modeling, machine learning algorithms, flow acoustics, scour and erosion, ecohydraulics, embankment failures, flooding, and surface hydrology.  Brian serves as co-Vice Chair of the joint Task Force on Low-head Dams and as Chair of the USSD Spillways subcommittee.  He and his wife have five fantastic kids and love spending time together in a very wide variety of family activities.

  • Instrumentation and Performance Monitoring of Dams - Four Part Series

    Contains 6 Component(s), Includes Credits

    This four-part webinar will discuss best practices for planning, implementing, and managing a dam safety program. You will get a general overview of the role of instrumentation in project performance monitoring and the factors that influence the accuracy, reliability, and use of dam instrumentation data.

    Description

    This webinar will include presentations which all are intended to provide viewers with improved insight, understanding, and comfort with respect to instrumentation. 

    This webinar series will consist of four sessions.

    • Planning an Instrumentation Program
    • Installation of Dam Monitoring Instrumentation
    • Threshold Values and Action Levels
    • Evaluation of Data

    The presentations will discuss both embankment and concrete dams with a focus on PFMA in defining monitoring programs, thresholds and action levels, and evaluation of data.

    The panelists consist of representatives from owners, regulators, vendors, and consultants who will provide their perspective with regard to dam safety and the four topics above. The workshop sessions will be organized to allow for both panelist presentations and ample discussion and questions between attendees and the panelists.

    This webinar series seeks to provide participants greater understanding about real-world situations, and how they might best be addressed.

    Objectives

    Understand the purpose of a dam instrument monitoring program:     

    • Types of instruments and data collection alternatives
    • Use of data as input for Potential Failure Modes Analysis (PFMA) and risk analysis

    Purpose of instrumentation with regard to construction monitoring, design verification, and general health monitoring

    • Understand key considerations for installation of instrumentation, including best practices and common sources of error.
    • Understand the role of thresholds and action levels and considerations to establish them.
    • Understand key considerations in data evaluations and project performance.

    Encourage open discussions between panelists from across industry (i.e., owners, regulators, vendors, and consultants) and participants.

    Target Audience

    Novice to seasoned professionals will all benefit from the workshop. Engineers, dam owners, geologists, and technicians involved in dam safety should consider this webinar.

    Josh Brown

    Global Infrastructure Group Manager

    Campbell Scientific

    Josh has five years of Civil Engineering experience (Twin Falls, ID) and nine years of instrumentation experience (Campbell Scientific, Logan, UT).  Notable assignments included project and plan review for the City of Twin Falls, ID and third-party project management and oversight for the Idaho Transportation Department during major roadway projects.  He has assisted customers on a global basis with data acquisition systems for agricultural applications, bridges, buildings, and dams.  Josh earned a B.S. degree in Civil Engineering from Utah State University.

    Will Brown

    Branch Chief Division, Dam Safety and Inspections

    FERC, Atlanta Regional

    Will’s team annually reviews instrumentation and monitoring reports for over sixty high hazard dams.  Prior to joining the Commission in 2010, Will worked for the Natural Resources Conservation Service completing inspections, design and analyses of dams in Georgia.  Will also served on active duty as an engineer in the U.S. Army for nine and a half years completing construction and design projects in the U.S., Haiti, Nicaragua, Germany, Kuwait, and Iraq.  Will has a B.S. in Civil Engineering from Worcester Polytechnic Institute and M.S. degrees in Civil Engineering and Engineering Management from the University of Missouri-Rolla.  Will is a registered Professional Engineer in Georgia and Missouri.

    Pierre Choquet

    Technical Advisor, Vice-President of Market Development

    RST Instruments

    Pierre has been involved in the field of Geotechnical Instrumentation and Monitoring for most of his career. He joined RST Instruments in 2007. Pierre graduated in Geological Engineering (Engineering Geology) from Ecole Polytechnique in Montreal and subsequently obtained a doctorate degree in Rock Mechanics from Ecole des Mines de Paris in France. From 1982 to 1993 he was a faculty member at the department of Mining and Metallurgy of Laval University in Quebec City where his specialty was rock mechanics, ground control, and applied geology. Pierre is a member of the ICOLD Technical Committee on Dam Surveillance and is also the Editor of the Instrumentation and Monitoring column of the Canadian Geotechnique magazine.

    Georgette Hlepas, PhD, PE

    National Geotechnical Policy Advisor

    US Army Corps of Engineers

    Located in DC, Dr. Hlepas is also the lead for the USACE Instrumentation and Performance Monitoring Community of Practice and the Chairperson for the USSD Monitoring of Dams and Their Foundations Committee.  She has ~13 years of experience in geotechnical engineering and instrumentation with USACE and has been an Presenter of several instrumentation courses.  Dr. Hlepas has a PhD in Civil and Materials Engineering from the University of Illinois at Chicago and is a licensed Professional Engineer in Illinois.

    John Hynes, PE

    Geotechnical Engineer

    Stantec

    Mr. Hynes has 11 years’ experience in project technical leadership and geotechnical analysis and design, instrumentation data collection and analysis, and construction monitoring of heavy civil projects involving hydroelectric powerplants, spillways, earth and rockfill embankments, concrete gravity dams, pumped storage plants, seepage cut-offs, foundation improvements, rock blasting, and excavations. Mr. Hynes’ skills include leadership of multi-discipline teams, preparation of construction drawings and specifications, slope stability and seepage analysis, foundation analysis and design, development of instrumentation monitoring plans, evaluation of instrumentation data, and development and supervision of geotechnical investigations.

    Brandon Lanthier

    Project Engineer, SF Bay Area Branch

    Geosyntec Consultants, Inc.

    Brandon has seven years of professional civil engineering experience with four years focused on dam safety. Brandon's experience includes geotechnical analysis and design, instrumentation data collection and analysis, construction management and quality assurance, and dam safety review and analysis. He has also served as recorder on several FERC Part 12D PFMA workshops and is currently working closely with the California Department of Water Resources. Brandon earned B.S. and M.S. Degrees in Civil and Environmental Engineering at UCLA. Brandon is a registered Geotechnical and Professional Engineer in California.

    Brent Randall

    Infrastructure Group Manager

    Campbell Scientific, Inc.

    Brent received his Bachelor’s and Master’s Degree in Civil and Geotechnical engineering from Utah State University and a minor in Portuguese. His thesis project was to instrument and study snowmelt-induced movement on a slow-moving landslide in the mountains of northern Utah. While attending graduate school, Brent worked as a mechanical engineer for the U.S. Air Force in their Radomes, Towers, and Shelters group. Brent spent two summers working for the U.S. Forest Service as a Wildland Firefighter in the Rocky Mountains. Brent has worked as a geotechnical engineer in Washington State on projects throughout the United States and Canada. Projects included geotechnical field work, site surveys, environmental monitoring, and reports. Brent has pursued his interest in geotechnical instrumentation at Campbell Scientific in their infrastructure group as an Application Engineer. His work in the group has also included the role of Product Manager and most recently Group Manager. Campbell Scientific has allowed Bruce to assist on large infrastructure projects throughout the world. Brent teaches instrumentation classes and workshops internationally. Brent is a licensed professional engineer in the state of Utah.

    Bruce Rogers

    Levee Safety Program Manager

    North Atlantic Division of the Army Corps of Engineers

    Bruce has 38 years of experience at Corps districts, primarily in dam and levee safety.  He has provided instrumentation-related presentations at USSD events.  Bruce earned a Bachelor's Degree in Geophysical Engineering at the Colorado School of Mines and a Master's Degree in Computer Science at Temple University, and he is a registered Professional Geologist.

    Rodolfo “Rudy” Saavedra

    Senior Technical Adviser

    Durham Geo Slope Indicator

    Rudy has 30+ years of professional civil engineering experience focused on instrumentation and monitoring of dams, tunnels, bridge and other large structures. Rudy has helped with the instrumentation of several Dams in the USA, Mexico, Costa Rica, Ecuador, Peru and other countries around the globe. Rudy's experience includes instrumentation installation, data analysis and correction. He has also served as committee member at TRB, USSD, Geo-I and ASTM. Rudy earned his Degree in Civil Engineering at the Catholic University in Guayaquil Ecuador.  

    Bill Walker

    Geotechnical Engineer

    Nashville District Corps of Engineers

    Bill has over 10 years’ experience specializing in dam and levee safety that includes; instrumentation and monitoring systems, dam safety modifications, and risk assessments. Key projects include the Wolf Creek and Center Hill ADAS and barrier wall installations; the Mosul Dam ADAS and emergency grouting; and contributing author of the USACE Dam Safety and Instrumentation Policy. He has both a Bachelor’s and Master’s degree in Geological Engineering from Ole Miss and is a Professional Geologist.

  • Asphalt Core Embankment Dams (ACED)-Why, Where & How

    Contains 3 Component(s), Includes Credits

    Asphalt has been used to impound both liquids because of its longevity, strength, impermeability, and flexibility. This webinar will provide an overview of the use of asphalt in dams and makes the case for considering its use when appropriate.

    Description

    Asphalt has been used in engineering to impound both liquid and solid substances for millennia. The secret to its longevity is its strength, impermeability and flexibility. These qualities make hydraulic asphalt - dense asphalt concrete (DAC) - an ideal material to produce impermeable lining systems.

    Hydraulic asphalt has been vastly refined and improved, making it highly versatile and widely utilized around the world for dams, reservoirs, channels, lining landfill cells and for central core liners for large embankment dams. In this webinar you will learn:

        1.  The use of Dense Asphalt Concrete (DAC) for the provision of impermeable barrier systems for hydraulic structures
        2.  DAC materials, their physical and performance characteristics
        3.  The use of asphalt as an internal impermeable diaphragm to embankment dams - (Hydraulic Asphalt Core Embankment Dams - HACED’s)
        4.  Hydraulic Asphalt Core Embankment Dams

          -  Why would you consider using DAC as core to an embankment dam?
          -  Where (and when), would you consider using asphalt in a HACED?
          -  How do you construct a HACED?

    Target Audience

    Owners, Construction Engineers, Students, Construction Sectors

    David Wilson

    Senior Vice President and Managing Director

    WALO International AG

    David Wilson has been involved in the civil engineering and asphalt industries for over 40 years. Initially he was employed as an Indentured Engineer in the Engineering Department of a large Municipal Authority in the UK where his training was broad and varied. During this time he studied for his formal Civil Engineering and Professional qualifications and studied for a MBA.

    In 2008 he joined WALO as Managing Director of WALO UK Limited and has been involved in delivering many Hydraulic Asphalt Engineering projects in the UK and globally. He is now principally responsible for International work acquisition of Hydraulic Asphalt Engineering Projects for WALO International AG – in the English-speaking parts of the World.

    David is also a Senior Vice President of WALO USA, responsible for Hydraulic Asphalt Engineering sector, in North America.

  • Just Go with the Flow: A Phased Approach to Understanding Your Spillway

    Contains 3 Component(s), Includes Credits

    This webinar will explain how a phased approach offers owners benefits from a cost and operational perspective along with limiting the amount of destructive examination that may be required to better understand the spillway and its subsurface conditions.

    Description

    Owners across the country are taking a phased approach to assessing and understanding their spillways in order to increase the reliability for performance during operation. The phased approach offers owners benefits from a cost and operational perspective along with limiting the amount of destructive examination that may be required to better understand the spillway and its subsurface conditions. The approach also provides owners with multiple spillways a means of initial screening (Phase1) and then prioritization of future assessments and/or maintenance (Phases 2 or 3). This presentation will cover all three phases.

    Objectives

    To provide case histories that demonstrate how a phased approach is beneficial in planning, funding, and undertaking spillway condition assessments to enhance understanding of spillway conditions and performance. The goal is to communicate to owners how phasing assessments allow flexibility to navigate operational constraints, funding challenges, and address unexpected and problematic findings.

    Target Audience

    Owners of Dams.

    Kenwarjit Dosanjh

    Hydraulic Structures Parctice Lead

    HDR Engineering

    Kenny Dosanjh is a registered engineer with more than 17 years of experience in the inspection, analysis, design, and retrofit of water resources, fisheries, hydropower, and levee related structures. Kenny has been a part of HDR’s Dams & Hydraulic Structures team since 2005.  His experience includes seismic analysis and retrofits of dams, FERC Part12’s and inspections, flood control projects, forensic investigations, canal retrofits, and levee designs. Kenny is certified by the Society of Professional Rope Access Technicians as a level three rope access technician (supervisor). His technical experience includes computer modeling to assess the integrity of radial gates for dam spillways, spillway and radial gate condition assessments, and spillway rehabilitations. Kenny was named an ASCE “New Face of Civil Engineering” in 2010.

    Sam Planck, PE

    Principal Hudraulic Structures Engineer

    HDR Engineering

    Sam Planck is a registered professional engineer with more than 30 years of experience in the inspection, analysis, design, and retrofit of hydropower and water resources related structures. He is the founding member of HDR’s rope access dam inspection team, and has managed over 1000 rope-access inspections of hydraulic structures nationwide. Sam received a BS in Civil Engineering and MS in Structural Engineering from Iowa State University, Ames, Iowa.

    Olivia M. Virgadamo

    Pyramid Dam Modernzation Program Manager

    California Department of Water Resources

    Olivia Virgadamo has been working for California Department of Water Resources since 2012. She started her career with the Department working in the Hydropower License and Compliance Office and then spent five years in the Division of Operation and Maintenance Dam Safety Services. While in Dam Safety Services she was the chief of the Southern Dam Surveillance team which was responsible for all state-owned dams in the State Water Project’s San Luis and Southern Field Divisions. Of the 11 dams in this portfolio, three are extremely high hazard dams and four dams are under the Federal Energy Regulatory Commission. In 2018 she transitioned to project management of specialized dam safety projects:  Pyramid Dam Modernization Program, State Water Project Physical Security Modernization Project, and Palermo Tunnel Improvement Project. Currently, Olivia is a technical advisor to the State Water Project’s Deputy and Assistant Deputy Directors.

    Dawning Wu

    Pyramid Dam Modernization Project Engineer

    HDR Engineering

    Dawning Wu graduated from University of California in Berkeley with a Bachelor of Science degree in Environmental Sciences and from Carnegie Mellon University with a Master of Science degree in Civil and Environmental Engineering. She has contributed in both public service and private consulting roles, most recently centering on dam safety and inspections and investigations of hydraulic structures.

  • Introduction to the Engineer of Record for Tailings Dams

    Contains 3 Component(s), Includes Credits

    The importance of maintaining an engineer of record and their responsibilities will be explained with consideration to recently promulgated requirements and guidance.

    Description

    This webinar will provide an introduction and overview of the Engineer of Record (EOR) concept. It will be the first of a series of webinars about the EOR through a joint effort of USSD and Canadian Dam Association (CDA).This webinar will include the following topics:

    • Background to the EOR
    • Description of the EOR
    • Roles and Responsibilities
    • Duties of an EOR
    • Qualifications of an EOR
    • Challenges faced by our industry with respect to the EOR
    Objectives

    An overview and history of the Engineer of Record role for Tailings Dams is provided. The importance of maintaining an engineer of record and their responsibilities will be explained with consideration to recently promulgated requirements and guidance. The expectations of the engineer of record and the owner will be discussed, referencing industry guidance from the Global Industry Standard on Tailings, ICMM, Mining Association of Canada, the Canadian Dam Association (CDA), and Geoprofessionals Business Association (GBA).

    Target Audience

    All owners and operators of tailing storage facilities worldwide that employ an engineer of record in the operation of their containment dams or may wish to employ an EOR. Also, engineers and consulting firms who serve as EORs.

    Christopher N. Hatton PE

    Senior Program Leader

    Golder Assoicates

    Christopher is a graduate of Colorado State University with an MS and BS in civil engineering.  With over 32 years of professional experience in the US and internationally, Christoper is a member of the USSD Tailings Committee, as well as the GBA, SME Tailings committee, and a TailENG Board member.  Christopher Chaired the GBA EOR Working Group in 2016 and has authored multiple papers regarding EoR and industry resource limitations, and has authored the operational chapter of the forthcoming SME Tailings book.  

    Andy Small, M.Sc., P.Eng

    Senior Staff Consultant

    Klohn Crippen Berger

    Andy Small is an experienced geotechnical engineer that specializes in the safety of dams in the mining industry.  He is based in Eastern Canada and has over 30 years of experience with mining dams around the world.  Andy is an active member of the Canadian Dam Association, having started the Mining Dams Committee that issued a guidance document for the safety of mining dams in 2014. Within that guidance document, was reference to the Engineer of Record concept. That was the first time that the EOR concept had been introduced in the context of mining dams. Since then, Andy worked extensively with members of CDA on enhancing and revising the guidance that had been provided in 2014, culminating in a revised version issued in 2019. In 2020, Andy has also worked closely with members of the USSD on the EOR concept. Andy is the EOR for several mine sites in Canada and understands the technical and non-technical aspects of the EOR position.