Asphalt Core Dams Workshop and Tour

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The workshop will introduce the use of hydraulic asphalt concrete (HAC) as a core material for earth (gravel) and rock-fill dams for application in the US.  Content will include a brief introduction to the history, precedence for, and application of asphalt core embankment dams (ACED).  The various characteristics of ACEDs will be presented with the intent of creating familiarity with the design elements and their implications for use. The workshop will also introduce the design of ACED for various settings and dam heights. Topics will include general design, mix design, HAC laboratory testing, and implications for design analyses. Discussions will also include construction methods and elements of technical specifications needed to address use of HAC.   The presentations throughout will discuss the translation of well-established international design elements to US practice and the experience with regulators.  The final portion of the workshop will include panel discussion including presenters from the design, construction, and owner perspective. 
Second day is site visit to Chimney Hollow to see HAC placement with dam construction and potentially select HAC laboratory testing. 


Workshop Objective 
Attendees should leave the workshop with a good foundation to understand the steps needed to use HAC in US practice. The intent is also to provide owner or regulators exposure to ACED projects so that the use can be considered as an alternative and reviewed for various dam applications. 

Schedule Overview

Tuesday, October 3 1-5pm MT Workshop

Wednesday, October 4 8am-3:30pm MT Site Tour

SPACE IS LIMITED due to site visit transportation 

Jean-Pierre Tournier

Expert - Advisor

Hydro-Québec

Dr. Jean-Pierre Tournier is consultant and advisor to the Engineering Manager of Hydro-Québec and has more than forty years of experience in the design and construction of infrastructure projects, in the public and private sectors, in particular the hydroelectric developments, both nationally and internationally. He is the author or co-author of more than fifty technical publications. He chairs the Embankment Dam Committee of the International Commission on Large Dams and is honorary Vice-President for that Commission as he was VP Americas from 2017 to 2020. He was also on the Board of the Canadian Dam Association as Vice-President, President and Past-President (2017-2020).

Christine Weber, PhD, PE

Stantec Consulting Services Inc.

Dr. Weber is a Geotechnical Engineer with Stantec with more than 15years of experience. She holds a Bachelors and Masters degree in Civil Engineering from Texas A&M University and a Doctorate in Civil Engineering from the University of Texas at Austin, where the emphasis of her studies was Geotechnical Engineering.  Dr. Weber has supervised design and engineering analysis activities for more than 40 dams, water reservoirs/storage facilities, water conveyance structures, mine tailing management facilities, and mine remediation/closure. Dr. Weber is responsible for the embankment dam engineering analyses for Stantec’s Power & Dams group and her expertise includes static slope stability analysis, two-dimensional and three-dimensional seepage analysis, static settlement analysis, and internal erosion evaluations. She also has experience in leading seismic hazard assessments, seismic deformation analysis, and liquefaction assessments. Dr. Weber led the engineering analyses for the Chimney Hollow asphalt-core rockfill dam embankment.

Donald Montgomery

Stantec Consulting Inc.

Don Montgomery,P.E. has over 25 years of experience with an emphasis in the design and construction of earthfill and rockfill dams, tailing management facilities, and lined impoundments. He has been instrumental leading multidisciplinary teams in the design of multiple rockfill and earth embankment dams at commercial and municipal sites in the U.S., Europe, Africa, and Central and South America. Don has performed or reviewed aspects of the engineering analysis and design of over 60 dams. His experience includes inspection of dams during and after construction to evaluate conformance with the design intent, as well as general dam safety. His experience in performing and managing dam safety inspection, condition assessment, and security inspection programs has extended his responsibilities to over 110 dams around the globe. Don is the Engineer of Record for the Chimney Hollow Dam project, a 355 ft tall asphalt core rockfill dam currently under construction in Colorado.

Michael Zusi

AECOM

Michael Zusi has 32 years of diversified consulting experience in civil, structural, and geotechnical engineering, focused primarily on water resources, dams and hydraulic structures. Mr. Zusi is a registered Professional Engineer and his work includes assessments, analysis, design, construction, and review of dams and hydraulic structures, new dams and dam rehabilitations. He has performed planning, assessments, inspections, analysis, alternatives analysis and conceptual design, final design, cost estimating, construction management, and operation and maintenance on dozens of dams for a wide variety of public and private clients, including water supply, flood protection, and the mining industry. Mr. Zusi is the Engineer of Record for West Silver Basin in Arizona, the first asphalt core rockfill dam constructed in the United States. 

David Wilson

WALO


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.

Kevin Schoetzau

WALO

Kevin Schoetzau is a Senior Project Manager for WALO International AG – he is responsible on behalf of WALO, for the installation of the Hydraulic Asphalt Concrete (HAC) Core, at Chimney Hollow.

Kevin has been involved in the Civil Engineering industry for over twenty years. After graduating with a degree in Civil Engineering he worked as a Consultant Engineer, specializing in geotechnical projects, moving onto the design and construction of highways, working for various Consulting Engineers and Construction Companies, throughout Switzerland, specializing in asphalt paving.

Kevin joined WALO in 2015 and during the past years he has managed Hydraulic Asphalt Engineering lining projects all over the world.

He has managed the installation of Hydraulic Asphalt Engineering lining systems for numerous reservoirs for new hydro power plants, Hydraulic Asphalt Cores, and many rehabilitations of existing asphalt lined dams, reservoirs, and channels, in Europe, Africa and the U.S.

In addition to being responsible for the execution of larger projects on site, he is actively involved in international work acquisition, and leads a team of Project Managers who undertake Hydraulic Asphalt Engineering projects worldwide.

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Live In-Person Event
10/03/2023 at 1:00 PM (MDT)   |  1 day, 3 hours  |  Attendance Required
10/03/2023 at 1:00 PM (MDT)   |  1 day, 3 hours  |  Attendance Required Schedule Overview Tuesday, October 3 1-5pm MT Workshop Wednesday, October 4 8am-3:30pm MT Site Tour
PDH Certificate
16.00 credits  |  Certificate available
16.00 credits  |  Certificate available
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Recorded 10/03/2023  |  5 minutes
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