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Technical Program

September 1 - 3, 2021. Santiago, Chile

Tailings 2021 is a virtual conference in which the program includes Live Sessions and Pre-recorded Sessions.

AUGUST 27

BALLROOM

Session 1: Geotechnics I

(SPA) Comparison of Static and Dynamic Behaviour of Centreline and Downstream Raise Cyclone Sand Dams Cristian Erazo and Frank Pérez, Ausenco, Peru

(ENG) Stabilization of Tailings Dams: Soil Mixing for Ground Improvement Peter Banzhaf and Klaus Idda, BAUER Spezialtiefbau, Germany

(ENG) Design and Geotechnical Studies of a Filtered-Tailings Stack Breno Castilho and Víctor Bretas, Hydro, Brazil; and Débora Chácara, Stefani Oliveira, Yuuki Miura and Ronaldo Pantoja, Hydro Alunorte, Brazil

(SPA) Tailings Dam with Reinforced Earth Walls Nicolás González and Rodrigo Ossandón, Tierra Armada, Chile

(SPA) Geotechnical Characterization of an Old Copper Tailings Impoundment by Using the Cone Penetration Test and Laboratory Testing Camilo Morales, Emilia Castillo and Jean Paul Posch, SRK Consulting, Chile

(SPA) Realistic Tailings Dam Flood Modeling Using a Variable Density, Viscosity and Yield Stress Two-Dimensional Model Reinaldo García, Hydronia, USA; Sergio Martínez, Pilar García-Navarro and Javier Murillo Universidad Zaragoza, Spain; and Adolfo Correa, BrazilHydro, Brazil

(ENG) Five Brazilian Tailings: From Laboratory and Field Data towards Safer Design Criteria Paulo Cella and Flávia Padovani, BVP Engineering, Brazil

(ENG) Comparison of CPTu Inversion Parameters Estimated Using the NorSand Widget Kyle Smith and Riccardo Fanni, Golder, Australia; and David Reid, The University of Western Australia, Australia

BALLROOM

Session 2: Geotechnics II

(ENG) Filtered Tailings Dry Stack Quality Control: Efficacy Study for Nuclear Densimeter Test Application Matheus Muniz, Vale, Brazil

(ENG) Geotechnical Characterization of a Silty Phosphate Ore Tailing Within Critical State Theory Ian Paes, DF+ Engineering, Brazil; and Alessandro Cirone, Pontifícia Universidade Católica do Rio de Janeiro, Brazil

(ENG) A Comparison of Sampling Methods in a Compacted Underflow Sand Embankment Zygi Zurakowski and Lauren Meyer, Stantec, USA; Efraín Rondinel, Stantec, Peru; Manuel Cadenas, Sociedad Minera Cerro Verde, Peru; and Teresa Speigl, Freeport McMoRan, USA

(SPA) Geotechnical Investigation on the Flow Failure Susceptibility of Bauxite Tailings Brahian Román and Stefhany Meléndez, University of Applied Science, Peru

(ENG) Trends for the Monotonic Response of Mine Tailings under Critical State Soil Mechanics Jorge Macedo and Luis Vergaray, Georgia Institute of Technology, USA

(SPA) Influence of the Foundation Permeability and the Stacking Rate on the Filtered Tailings Heap Stability Gino Calderón, Vale, Brazil

(SPA) Effect of Non-Plastic Fines in the Undrained Response of a Tailings Sand Under High Pressures Diego Silva, Skava Consulting, Chile; and Felipe Ochoa, Universidad de Chile

(ENG) A Modular Base Platen Assembly to Increase the Efficiency of Triaxial Critical State Testing

David Reid and Andy Fourie, The University of Western Australia; and Ivan Orea and Riccardo Fanni, Golder, Australia

(SPA) Dynamic Analysis of Salares Norte Tailings Storage Facility Based on Constant Water Dynamic TX Tests

Nicolás Úbeda, Golder, Chile; Alonso Cubillos, BGC Engineering, Chile; Alfredo Arenas, Golder, Australia; and Francisco Vera, Gold Fields, Chile

BALLROOM

Session 3: Hydraulics, Seepage and Water Management

(ENG) TSF Reclamation: Integrated Solutions for Tailings Re-Handling by Means of Slurry Transportation Stefan Groenheide and Taco de Boer, IHC Mining Advisory Services, Netherlands; and Guido Villamil, IHC Mining Advisory Services, Colombia

(ENG) Seepage Analyses in a Dam with Inverted Flow Víctor Bretas, Leonardo Agripino, Vinicius Pereira, Renata Damas, Daniela Amorim, Patricia da Silva and Mauro Lima Filho, Mineração Paragominas, Brazil; and Breno Castilho, Norsk Hydro, Brazil

(SPA) Flood Management in El Mauro Tailings Storage Facilities (TSF) Gustavo Calle, María Hernández and Mauricio Abdallah, Wood, Chile; and Matías Martínez, Minera Los Pelambres, Antofagasta Minerals, Chile

(SPA) Caserones Experience in Pipes Transport Tailings High Resistance to Abrasion Lenie Gajardo and Luis Rojas, Caserones, SCM Mining Lumina Copper, Chile

BALLROOM

Session 4: Rheology and Chemical Aspects

(ENG) Geotechnical and Rheological Characterization of Bauxite Mining Tailings Víctor Bretas, Leonardo Agripino, María Da Silva, Patricia Silva, Daniela Amorim and Mauro Filho, Mineração Paragominas, Brazil; and Breno Castilho, Norsk Hydro, Brazil

(SPA) Geoquimic Stability of Tailings Dams at Closure Osvaldo Aduvire, SRK Consulting, Peru

(SPA) Microbially Induced Calcite Precipitation as Tool to Improve the Mine Waste Management Héctor Zúñiga, Javiera Toledo, Lorena Jorquera and David Jeison, Pontificia Universidad Católica de Valparaíso, Chile

(SPA) Quantification of the Impact of Clay Presence in the Solid-Liquid Separation Stage of Copper Sulphide Tailings, In Continental and Sea Water Catalina López-Espejo and Christian Ihle, Universidad de Chile

(SPA) Estimation of Tailings Flow Runout Distance from Rheology Approach Álvaro Vergara and Sergio Palma, Universidad Técnica Federico Santa María, Chile; Alejandra Álvarez, JRI Ingeniería, Chile; and María Zandarín, El Pachón, Glencore, Argentina

(ENG) Rheological Behavior of Different Types of Tailings for Dam Break Analysis Micheline Perdigão, Paulo dos Santos, Brenda Vale, Laura Leite, Thiago Oliveira and Guilherme Ribeiro, DF+ Engineering, Brazil

(SPA) Tailings Rheology Considerations for Dam Breach Analysis Claudio Román, Francisco Scheihing and Jorge Martínez, Ausenco, Chile

(ENG) Determination of the Rheology of Liquefied Bauxite Residue Using a Pilot-Scale Dam Break Test Roxana Ugaz and Gordon McPhail, Water, Waste and Land, Australia

(SPA) Experimental Analysis of the Impact of Solids Concentration and Fines Content on the Rheology of Copper Tailings and Cyclone Sands

Jorge Casanova and Constanza Díaz, SHIMIN Ingeniería, Chile

BALLROOM

Session 5: Conventional, Thickened, Paste and Filtered Tailings Studies

(ENG) Paste-Type Thickener Critical Design Features Jerold Johnson and Brad Bentley, WesTech Engineering, USA

(ENG) Coal TSF Closure Guidelines: Targeting a Consistent, Measurable and Sustainable Approach Sally Moodie and Kim Ferguson, BHP, Australia; and Chad LePoudre, BHP, Canada

(ENG) Filter Aids to Improve Iron Ore Tailings Filtration Nathalia Costa, Leandro Bicalho, Pierre Fernandes, Wagner Silva, Clariant, Brazil; and Rodolfo Moreira and Vinicius Seering, Vale, Brazil

(SPA) Filtered Tailings Storage Facility Design: A Sustainable Alternative to Modern Mining Édgar Quiroz, Stantec, Peru

(ENG) Management of the Post Closure Erosion of Sand Dam Embankments Gordon McPhail, Nickolai Nazarov and Francisco García, Water, Waste and Land, Australia

(ENG) Prediction of Initial Settled Density for Copper Tailings Based on Basic Properties Arash Roshdieh, Keith Seddon and Samuel van der Vinne, ATC Williams, Australia

(ENG) Dewatering of Tailings and Paste with Modern Vacuum Disc Filters Jürgen Hahn, Bokela, Germany

(ENG) Co-Disposal Dumps in Brazil: Challenges and Opportunities Luciano Souza, Erick Rógenes, Stefania Oliveira, Elisa Silveira, Aline Marques and André Coelho, DF+ Engineering, Brazil

(SPA) Descriptive and Prescriptive Analyses of Thickeners: Experimental and Operational Data Approach Pamela Garrido, William Montes, Klebbert Andrade and Patricia Fernández, Centro de Investigación Minería Sustentable JRI, Chile

(SPA) Variation of Solid Concentration for High Thickened Tailings Flows during Deposition: A Field Study and Model Fabián Olea, Universidad de Chile; Tomás Errázuriz, Independent Consultant, Chile; Rodrigo Gutiérrez and Erwin Cortés, Minera Centinela, Antofagasta Minerals, Chile; and Horacio Olavarría, R&Q Ingeniería, Chile

(SPA) Salares Norte Filtered Tailings Storage Facility (FTSF) Design

Álvaro Huerta, SRK Consulting, Chile; and Francois Swanepoel and Francisco Vera, Gold Fields, Chile

BALLROOM

Session 6: Technologies and Instrumentation for Monitoring and Surveillance

(ENG) Using Ambient Seismic Noise Interferometry to Image and Monitor Tailings Dams Tjaart de Wit and Gerrit Olivier, Institute of Mine Seismology, Australia

(ENG) Novel Interactive Web-Based Tool for Dam Breach Inundation Studies Gemma Bullard, Patrick Grover, Robert Millar, Katie Tait and Matthew Lato, BGC Engineering, Canada

(ENG) G.Re.T.A. Solution to Monitor the Integrity of Tailings Dams Greta Tresoldi, LSI Lastem, Italy; Luigi Zanzi, Politecnico di Milano, Italy; and Azadeh Hojat, Shahid Bahonar University of Kerman, Iran

(ENG) Advanced Tailings Dam Monitoring and Response System Based on IoT Pedro Leite, Ricardo Telles and Luis Almeida, Mosaic Fertilizantes do Brasil; Bruno Rezende, Leonardo Santana, Tetra Tech América do Sul, Brazil; and Denis Guilhot, Andrea Bartoli, Xavi Vilajosana, Leonardo Vidigal and Fernando Pérez, Worldsensing SL, Spain

(SPA) Managing Risk of Tailings Storage Facilities through Surveillance, Monitoring and the Construction of FMEA type of Analysis Jasna Zúñiga and Gonzalo Suazo, Universidad Técnica Federico Santa María, Chile and Gabriel Villavicencio, Pontificia Universidad Católica de Valparaíso, Chile

(ENG) Integrity Monitoring of Tailings Storage Facilities Using Distributed Fiber Optics Sensing Technology Sam Johansson, HydroResearch, Sweden; Michael Mondanos, Silixa, UK; and Zara Anderson, Silixa, Canada

(ENG) Satellite InSAR for assessing deformation processes of tailing dams: the Zelazny Most case in Legnica Glogow Copper District (Poland) Benedetta Antonielli, Sapienza Università di Roma, Italy; Francesca Bozzano, Stefano Scancella, Paolo Mazzanti and Serena Moretto, NHAZCA, Italy; Alessandra Sciortino, Università degli Studi dell’Aquila, Italy

(ENG) Leveraging Hydrogeophysics for In-Situ Monitoring of Tailings Facilities Raul Mollehuara, Elena Kozlovskaya and Juha Lunkka, University of Oulu, Finland; and Daniele Pedretti, Università degli Studi di Milano, Italy

(ENG) Towards the Development of an Effective Monitoring Program of Tailings Dams: The Vale Experience Karla Pimentel, Isabela Vasconcelos, Beatriz Mapa, Diego Lage, Filipe Costa, Pamela Lisboa and Tercio Costa, Vale, Brazil; and Paolo Farina, Geoapp, Italy

(SPA) Automated Permanent Monitoring of Seepage for Tailings Dams Using a Customized ERT System Leopoldo Córdova and Jordi Bari, Geosinergia Ingeniería y Medio Ambiente, Chile

(ENG) Overview of Surveillance and Reporting Tools for TSF Management Mark Schmelter, Freeport-McMoRan, USA

BALLROOM

Session 7: Dam Safety, Governance and Operational Experiences

(SPA) Earth Filled Dams Contact with Water And/Or Fine Tailings Versus Non Segregated Tailings: Risk Analysis Juan Rayo, Freddy Flórez and Alejandra Álvarez, JRI, Chile; and María Zandarin, El Pachón, Glencore, Argentina

(ENG) Simplified Dams Risk Assessments Need To Remain Meaningful Franco Oboni and Cesar Oboni, Riskope, Canada

(SPA) Dam Safety Review: Lessons and Opportunities Ignacio Atucha, Claudio Román and Gabriel Cuevas, Ausenco, Chile; and Marcelo Mussé, NETKE, Chile

(ENG) Practical Steps to Global Industry Standard on Tailings Management Compliance for Operational Tailings Storage Facilities Siduduzo Dladla, Shaun Ramsay and Mashudu Tshamano, Fraser Alexander, South Africa

(SPA) Challenges in Chilean TSFs Global Standard Implementation Emilio López, Gail Riddell, Manuel Cortés and Ignacio Pizarro, Nava Consulting, Chile

(SPA) Fault Tree Analysis as a Tool for Preventing the Development of Failure Mechanisms in Tailings Dams César Pastén, Diana Comte, Christian Ihle and Samuel Rojas, Universidad de Chile; and Felipe Campos and José Campaña, Arcadis, Chile

(SPA) TSF’s Risk Management in Chile: A Preventive or Reactive View? Gail Riddell, Emilio López, Manuel Cortés and Ignacio Pizarro, Nava Consulting, Chile

(ENG) Case Study: Rockfill Dam Construction at a Tailings Storage Facility Ranjiv Gupta, Ayobami Alao, Amber Pehringer and Laura Nugent, Freeport McMoRan, USA; and Jason Hilgers, AECOM, USA

(ENG) Practical Considerations for Tailings Operating Manuals Johan Boshoff and Louise McNab, Gold Fields, Australia

(ENG) App and Cloud-Based Solutions to Benchmark Operations against the Global Tailings Standard and Establish an Online Global Tailings Management System Johan Boshoff and Louise McNab, Gold Fields, Australia

(SPA) Tailings Governance in Codelco: The Way Traveled and Next Challenges Carlos Vilches and René Orellana, Codelco, Chile

(SPA) Iron Ore Filtered Tailings - CMP Denis Parraguez, Carla Tapia and Isabel Morales, Compañía Minera del Pacífico, Chile; and María Alejandra Azúa, Atacama University, Chile

AUGUST 26

BALLROOM

Technical Course 1

13:50

Fundamentals of Tailings Geotechnics

Conducted by TAILENG, USA

Presenters:

Jorge Macedo, Assistant Professor, Georgia Institute of Technology, USA

Chris Bareither, Associate Professor, Colorado State University, USA

Jonathan Bray, Professor, University of California Berkeley, USA

Scott Olson, Professor, University of Illinois at Urbana Champaign, USA

18:00 End of the Technical Course

AUGUST 30

BALLROOM

Technical Course 2

09:00

Integrating Seismic Hazard, Performance and Monitoring of Tailings Deposits

Conducted by Advanced Mining Technology Center (AMTC), Universidad de Chile

Presenters:

Diana Comte, Professor, AMTC, Universidad de Chile
César Pastén, Professor, AMTC, Universidad de Chile
Roberto Gesche, Professor, AMTC, Universidad de Chile

13:00 End of the Technical Course

AUGUST 31

BALLROOM

Technical Course 3

10:00

Myths and Realities of Tailings Dewatering Conducted by the Norman B. Keevil Institute of Mining Engineering, The University of British Columbia, Canada

Moderator: Caius Priscu, Adjunct Professor, Norman B. Keevil Institute of Mining Engineering, The University of British Columbia, Canada

Presenters:

Kate Patterson, Associate, Tailings and Water Resources Engineer, Klohn Crippen Berger, Canada

Rachel Jensen, Senior Process Engineer, Paterson & Cooke, USA

Guillaume Tremblay, Tailings & Dam Engineer, Rio Tinto, Canada

Michael Davies, Senior Advisor, Teck Resources, Canada

John Lupo, Senior Director, Newmont Mining, USA

12:30 End of the Technical Course

SEPTEMBER 01

BALLROOM

Inaugural Ceremony

11:00

Words of Welcome

Mimy Mackenzie, Conference Manager, Gecamin, Chile

César Pastén, Tailings 2021 Co-organizer; Academic, Academic, AMTC, Universidad de Chile

Caius Priscu, Tailings 2021 Co-organizer; Adjunct Professor, Norman B. Keevil Institute of Mining Engineering, The University of British Columbia, Canada

Michael Henderson, Tailings 2021 Co-organizer; Director, Tailings Center of Excellence, Colorado School of Mines, USA

Jorge Macedo, Tailings 2021 Co-organizer; Chair of TAILENG, USA

Tamara Johndrow, Tailings 2021 Chair, Director Tailings & Water, Freeport-McMoRan, USA

BALLROOM

Plenary Session 1
Chair: Johan Boshoff, Group Head of Tailings, Gold Fields, Australia

11:30

Freeport's Tailings Stewardship and Management Program: A 16-Year Evolution

Tamara Johndrow, Tailings 2021 Chair, Director Tailings & Water, Freeport-McMoRan, USA

12:00

Teck Resources Tailings Governance Program - Roots, Formation, Journey of Incorporating External Expectations: Defining Roles, Responsibilities and Maintaining Key Resources Michael Davies, Senior Advisor, Teck Resources, Canada

BALLROOM

Discussion Panel - Standards, Governance and Tailings Management
Chair: Johan Boshoff, Group Head of Tailings, Gold Fields, Australia

12:30

Panelists:

Briana Gunn, Group Executive, Environment, Newmont Mining, USA

Chris Anderson, Manager Tailings & Mine Waste, Teck Resources, Canada

Ursula Weber, Social Development and Communities Manager, Anglo American, Chile

BALLROOM

Virtual Networking Meeting

13:10

Take a seat at the virtual tables - limited seating- to do a real and effective networking

13:30 Free Time

BALLROOM

Plenary Session 2
Chair: Luis Valenzuela, Consulting Engineer, Chile

15:30

Alternatives Analysis to Aid Operators in Decision Making Charles Dumaresq, Vice President, Science and Environmental Management, Mining Association of Canada

16:15

Incorporating Risk and Uncertainty Analysis in Design, Construction, and Operational Decision Making and Communicating Performance Outcomes Effectively Angela Kupper, Director and Principal Geotechnical Engineer, BGC Engineering, Canada

17:00 Short Break

BALLROOM

Live Roundtable

17:30

Roundtable A: Hydraulics, Seepage and Water Management

Chair: Silvana Dal Pozzo, Tailings Consultant, Arcadis, Chile

Authors from Session 3 "Hydraulics, Seepage and Water Management" will be at this Roundtable

Stefan Groenheide, Royal IHC, Netherlands

Guido Villamil, Royal IHC, Colombia

Víctor Bretas, Hydro, Brazil

Patricia Da Silva, Hydro, Brazil

Mauro Filho, Hydro, Brazil

Gustavo Calle, Wood, Chile

Lenie Gajardo, Caserones, SCM Mining Lumina Copper, Chile

Luis Rojas, Caserones, SCM Mining Lumina Copper, Chile

18:30 End of the Day

SEPTEMBER 02

BALLROOM

Discussion Panel
Chair: Michael Davies, Senior Advisor, Teck Resources, Canada

11:00

Discussion Panel: Tailings Professionals Capacity: Quantifying and Addressing the Supply - Demand Gap

Introductory Presentation
Alice Evans, Senior Programme Officer – Tailings Lead, ICMM, UK

Panelists:

Katie Kruger, Manager Tailings, Crushed Leach and Water, Freeport-McMoRan, USA

John Wates, Executive Chairman of the Board, Fraser Alexander, South Africa

Caius Priscu, Adjunct Professor at UBC and Consultant, Canada

Mary-Jane Piggott, Regional Manager, North America Mining Environmental, Klohn Crippen Berger, Canada

David Machin, Tailings Strategy Senior Manager, Antamina, Peru

BALLROOM

Virtual Networking Meeting

12:30

Take a seat to join the virtual tables –limited seating available– for a real and effective networking experience

13:00 Free Time

BALLROOM

Live Simultaneous Roundtables

16:00

Roundtable B: Rheology and Chemical Aspects
Chair: Ricardo Jeldrés, Academic, Universidad de Antofagasta, Chile

Authors from Session 4 "Rheology and Chemical Aspects" will be at this Roundtable

Víctor Bretas, Hydro, Brazil

Osvaldo Aduvire, SRK Consulting, Peru

Héctor Zúñiga, Pontificia Universidad Católica de Valparaíso, Chile

Catalina López-Espejo, Universidad de Chile

Álvaro Vergara, Universidad Técnica Federico Santa María, Chile

Laura Leite, DF+ Engineering, Brazil

Guilherme Ribeiro, DF+ Engineering, Brazil

Claudio Román, Ausenco, Chile

Francisco Scheihing, Ausenco, Chile

Jorge Casanova, SHIMIN Ingeniería, Chile

Constanza Díaz, SHIMIN Ingeniería, Chile

16:00

Roundtable C: Conventional, Thickened, Paste and Filtered Tailings Studies
Chair: Carlos Vilches, Tailings Development and Standardization Corporate Director, Codelco, Chile

Authors from Session 5 "Conventional, Thickened, Paste and Filtered Tailings Studies" will be at this Roundtable

Jerold Johnson, WesTech Engineering, USA

Sally Moodie, BHP, Australia

Nathalia Costa, Clariant , Brazil

Édgar Quiroz, Stantec, Peru

Arash Roshdieh, ATC Williams, Australia

Jürgen Hahn, Bokela, Germany

Luciano Souza, DF+ Engineering, Brazil

Pamela Garrido, CIMS JRI, Chile

William Montes, CIMS JRI, Chile

Fabián Olea, Universidad de Chile

17:00 Short Break

BALLROOM

Live Simultaneous Roundtables

17:30

Roundtable D: Technologies and Instrumentation for Monitoring and Surveillance
Chair: César Pastén, Academic, AMTC, Universidad de Chile

Authors from Session 6 "Technologies and Instrumentation for Monitoring and Surveillance" will be at this Roundtable

Tjaart de Wit, Institute of Mine Seismology, Australia

Gemma Bullard, BGC Engineering, Canada

Greta Tresoldi, LSI Lastem, Italy

Fernando Pérez, Worldsensing SL, Spain

Jasna Zúñiga, Universidad Técnica Federico Santa María, Chile

Zara Anderson, Silixa, Canada

Serena Moretto, NHAZCA, Italy

Raul Mollehuara, University of Oulu, Finland

Karla Pimentel, Vale, Brazil

Leopoldo Córdova, Geosinergia Ingeniería y Medio Ambiente, Chile

Mark Schmelter, Freeport-McMoRan, USA

17:30

Roundtable E: Dam Safety, Governance and Operational Experiences
Chair: Tim Gardner, Tailings Manager, Anglo American, Chile

Authors from Session 7 "Dam Safety, Governance and Operational Experiences" will be at this Roundtable

Juan Rayo, JRI, Chile

César Oboni, Riskope, Canada

Marcelo Mussé, Netke Global, Chile

Siduduzo Dladla, Fraser Alexander, South Africa

Emilio López, Nava Consulting, Chile

Gail Riddell, Nava Consulting, Chile

Diana Comte, Universidad de Chile

Ranjiv Gupta, Freeport McMoRan, USA

Louise McNab, Gold Fields, Australia

Carlos Vilches, Codelco, Chile

René Orellana, Codelco, Chile

Denis Parraguez, Compañía Minera del Pacífico, Chile

Isabel Morales, Compañía Minera del Pacífico, Chile

18:30 End of the Day

SEPTEMBER 03

BALLROOM

Live Roundtable

09:30

Roundtable F: Geotechnics

Chair: Jorge Macedo, Assistant Professor, Georgia Institute of Technology, USA

Authors from the following sessions will be at this Roundtable:

Session 1: Geotechnics I

Session 2: Geotechnics II

Cristian Erazo, Ausenco, Peru

Peter Banzhaf, BAUER Spezialtiefbau, Germany

Víctor Bretas, Hydro, Brazil

Nicolás González, Tierra Armada, Chile

Camilo Morales, SRK Consulting, Chile

Reinaldo García, Hydronia, USA

Flávia Padovani, BVP Engineering, Brazil (TBC)

Kyle Smith, Golder, Australia

Matheus Muniz, Vale, Brazil

Ian Paes, DF+ Engineering, Brazil

Zygi Zurakowski, Stantec, USA

Brahian Román, University of Applied Science, Peru

David Reid, The University of Western Australia

Luis Vergaray, Georgia Institute of Technology, USA

Gino Calderón, Vale, Brazil

Diego Silva, Skava Consulting, Chile

Nicolás Úbeda, Golder, Chile

Francisco Vera, Gold Fields, Chile

11:00 Short Break

BALLROOM

Plenary Session 3
Chair: Mauricio Abdallah, Senior Geotechnical Engineer, Wood, Chile

11:30

National Plan of Tailings Deposits for Sustainable Mining Eduardo Zuñiga, Head of the Project Management Department, Ministry of Mining, Chile

11:50

Implementing 248 and GISTM in Codelco Chile René Orellana, Tailings Corporate Manager, Codelco, Chile

12:10

Changes to Chilean TSF design + Operation Over the Years Luis Valenzuela, Consulting Engineer, Chile

12:30

Short Discussion - Questions and Answers for the Plenaries speakers

BALLROOM

Conference Balance and Final Comments

12:50

-Mimy Mackenzie, Conference Manager, Gecamin, Chile

-Hugo Quelopana, Tailings 2021 Program Director, Project Manager - Specialist Engineer, Delfing, Chile

-Tamara Johndrow, Tailings 2021 Chair, Director Tailings & Water, Freeport-McMoRan, USA

BALLROOM

Virtual Networking Meeting

13:00

Take a seat at the virtual tables - limited seating- to do a real and effective networking

13:30 End of Live Activities

AUGUST 30

BALLROOM

Technical Courses

Integrating Seismic Hazard, Performance and Monitoring of Tailings Deposits Diana Comte, Professor, AMTC, Universidad de Chile
César Pastén, Professor, AMTC, Universidad de Chile
Roberto Gesche, Professor, AMTC, Universidad de Chile

Myths and Realities of Tailings Dewatering Moderator: Caius Priscu, Adjunct Professor, Norman B. Keevil Institute of Mining Engineering, The University of British Columbia, Canada

Presenters:

Kate Patterson, Associate, Tailings and Water Resources Engineer, Klohn Crippen Berger, Canada

Rachel Jensen, Senior Process Engineer, Paterson & Cooke, USA

Guillaume Tremblay, Tailings & Dam Engineer, Rio Tinto, Canada

Michael Davies, Senior Advisor, Teck Resources, Canada

John Lupo, Senior Director, Newmont Mining, USA