The BGC team contains some of the best world-class technical experts in applied earth science practice. Meet some of the principal professionals who deliver high quality technical work on behalf of BGC.
Marc Adams has worked in the engineering industry since 1985; initially as an engineering technologist, then since 1992 as a civil engineer. Mr. Adams has focused on geo-environmental projects that involve remediation or protection of soil, groundwater, surface water, soil vapour, and indoor air. His projects have also included extensive use of traditional civil engineering (earthworks) in remediation and site restoration. Currently, he is focused on remediation and environmental management of large industrial facilities, landfills and mine sites. Many of these projects extend beyond the technical demands, requiring Mr. Adams to lead successful engagement of a variety of public and private stakeholders. He has worked within industry, consulting, municipal government and academic research settings across Canada.
Scott has more than 30 years of experience as a geotechnical engineer and engineering geologist. He recently retired from the U.S. Federal Highway Administration (FHWA), where he led a national team of geotechnical engineers and pioneered work in the area of risk-based geotechnical asset and performance management. Scott’s experience also includes several years as a senior consultant for geotechnical and A/E firms, and as a professor of civil engineering. Scott has worked on roads, bridges, tunnels, dams, canals, pipelines, mines, landslides, and deep excavations and foundations across the U.S. and in a number of foreign countries. He is a licensed engineer with over 100 publications and invited professional presentations and has been recognized by awards for his teaching, research, engineering and government service. In 2016 he won the K.B. Woods Award from the Transportation Research Board for the best paper in the design and construction of transportation facilities and is serving as the Jahns Distinguished Lecturer for the Association of Engineering Geologists and the Geological Society of America, and giving lectures across the U.S. on geohazards, risk and advancing developments in engineering geology.
Lukas Arenson is a Senior Geotechnical Engineer with specific expertise in frozen soil mechanics, periglacial risk assessments and geothermal modelling. He has worked on infrastructure and mining projects in Arctic and mountain permafrost, and on the stability of frozen slopes in the European Alps, the South American Andes and Asia. Additional work has concentrated on the thermo-mechanical processes of frozen and freezing soils at a microstructural level to better understand the hydraulic, strength and deformation properties of frozen soils with changing stress, temperature and salinity. He developed a probabilistic permafrost distribution model for mountainous terrain, extensively used in South America.
Dr. Arenson has taught permafrost engineering courses at universities and for industry, and published over 60 scientific publications on topics related to cold regions engineering. He was chair of the Cold Regions Engineering Division of the Canadian Geotechnical Society, and is currently co-chair of the Permafrost Engineering Task Force of the International Permafrost Association and an Adjunct Professor at the Civil Engineering Department of the University of Manitoba. He was the recipient of the Troy L. Péwé award in 2003 and was awarded the Roger J. E. Brown Memorial Award from the Canadian Geotechnical Society in 2010 for his contributions to permafrost engineering research and to the cold regions engineering division.
Mr. Baker is a Senior Engineer with over 30 years of technical experience in Geotechnical Engineering and Construction QA/QC. His technical experience includes geotechnical investigations and analysis along with construction quality control, materials testing and inspection associated with diverse engineering projects including earth, concrete and rockfill dams, retaining structures, building foundations, transportation corridors and both producing and abandoned mining projects. Mr. Baker has specialized experience in drilling and grouting stabilization operations and soil enhancement using cement, lime and flyash.
Mr. Baker’s management experience includes supervision and mentoring of technical and administrative staff, oversight of materials testing laboratories, contract and budget negotiations, contract administration, preparation of project specifications and quality control manuals and construction management including public and contractor relations. His project experience has been primarily in the USA, as well as on a number of international sites.
Alex Baumgard has over eighteen years of experience as a geotechnical engineer with particular expertise related to geohazards and pipelines, both onshore and offshore. He has been involved in numerous field investigations, natural hazard risk assessments and stabilisation projects in such environments as steep mountains subject to rockfall and landslides, regions subject to high seismicity and liquefaction/lateral spreading, and areas where heavy precipitation can lead to triggering of debris flows and flooding. These projects have included the hazard assessment of more than 50,000 km of pipelines including both the routing of new pipelines and the assessment of legacy ones onshore within Canada and internationally in the USA, Bolivia, Argentina, Chile, Peru, and Turkey, and offshore for projects in the South China Sea, the North Sea and off of the coasts of Chile and Canada.
Dr. Baumgard has provided expert technical review on behalf of the Government of Canada for both the Mackenzie Valley and Northern Gateway pipeline projects, and most recently, Dr. Baumgard has led the geotechnical team for the Trans Mountain Expansion Project, a multi-billion dollar project to bring oil from Alberta through the Rocky and BC Coastal Mountains down into the Lower Mainland for Kinder Morgan Canada. This work has included directing a team of experts designing river crossings, evaluating debris flow hazards and landslides, assessing seismic liquefaction and lateral spreading, and investigating the geotechnical feasibility of tunnels beneath major urban areas and numerous horizontal directional drill crossings of watercourses, all under the umbrella of risk-based design.
Peter Barlow has over thirty years’ experience in geotechnical engineering. He is a specialist in the application of geotechnical engineering to the pipeline industry, with experience working on projects in Canada and Peru. He has extensive experience in the areas of route selection, Horizontal Directional Drilling, slope stability, geohazards, muskeg terrain, pipeline river crossings in general, soil-pipe interaction, foundation design and site development related to tanks, pump stations and pipeline facilities. Mr.Barlow has been involved in numerous new pipeline projects from initial planning stages through to construction; as well as many existing systems in relation to risk assessments and dealing with a range of geotechnical issues. This has included slope stability remediation, re-routes, settlement and ground movement mitigation, groundwater problems, erosion repair, reclamation, line exposures, stress analyses and numerous other issues.
Dr. Iain Bruce is a geotechnical engineer with a strong background in engineering geology, soil and rock mechanics. During the past thirty four years he has specialized in waste management for the mining industry particularly with respect to the design, construction or review of tailings dams built using the waste themselves, as well as the design of water retaining type dams built from waste rock fill or borrow from developed quarries. He has designed and supervised construction of tailing dams and waste dumps both in permafrost and temperate regions but recent projects have emphasized the use of using laterite and saprolite residual soils for construction. Dr. Bruce recently supervised the initiation of tailings dam closures at several mines throughout North America.
Chris Bunce has over 29 years of experience in geo-hazard assessment and remediation, geotechnical design and construction in the railway, highway, dam, mining, pipeline, and forestry industries. He joined BGC after 18 years with Canadian Pacific Railway as the senior geotechnical engineer, environment and emergency response manager and most recently the Chief Engineer of construction. Dr. Bunce has worked throughout North America on feasibility assessments, design and construction for numerous projects including dam foundations, earth fill embankments, mine pit walls and waste dumps, railway and highway rock slopes designs and stabilization, muskeg and soft soil sub-grade failures and remediation, and slope stability assessments and stabilization for mines, railways and municipalities. He has extensive experience in emergency response for geo-hazards and environmental incidents. He is a specialist in risk assessment and management solutions for numerous natural hazards including large landslide, debris flows, rock falls and floods. He has completed route selection and site investigations for directional drilled river crossings, pipelines, roads and railways. Dr. Bunce has planned and completed site investigations, installation of geotechnical instrumentation, soil testing and designed, and implemented real time landslide and rock fall monitoring systems. He has been involved with the design and construction of numerous hydraulic and erosion protection structures for culverts, bridges and embankments.
Mr. Bill Burton has over twenty years of experience in engineering geology, including geotechnical and environmental areas. He has been involved in field investigations and design throughout Canada, USA, and South America, and has undertaken design and review work in North America, South America, and Africa. His design work has included tailings and water dams, rock and soil slopes, heavy foundations, and natural hazard assessments in ground conditions ranging from tropical residual soils to glaciated and permafrost terrain, and including weak rock, soft sediments, and mine wastes.
Mr. Burton has worked in all stages of natural resource development projects from due diligence, feasibility assessments, construction, operations and closure. He has worked for owners, EPCM groups and governments. Construction projects that he has been involved in have ranged from thousands of dollars for transportation projections to billions for mine development. Mr. Burton has participated in tailings options studies for many mining projects, both in feasibility assessments and external review. He enjoys bringing a passion for applied earth sciences and an appreciation of multi-disciplinary approaches to each project.
Ed Carey has been involved in geotechnical engineering in most regions of Canada, the Caribbean and in South America during his thirty five year career. Mr. Carey’s geotechnical engineering experience includes foundation design and settlement prediction, slope stability analysis, mine mill waste tailings dam investigation and design, marine geotechnical, retaining walls, isolation barriers, industrial solid waste landfills, and erosion and seepage control. He has been involved in major heavy civil construction works including mine site development, hydroelectric dams, electrical power plants, marine terminals, transportation and transmission line corridors, fuel storage tank farms and pipelines.
Mr. Carey is a member of BGC’s Quality Management Team. He currently serves on the Canadian Institute of Mining council and is an active member of the Canadian Geotechnical Society and Canadian Dam Association. He has authored technical papers published in the CGS Journal and was technical coordinator for the Federal Government Public Review commission on Offshore Petroleum Exploration.
Jim Cassie has an academic background that includes an undergraduate degree in geological engineering and a graduate degree in geotechnical engineering. Over the past thirty years, Mr. Cassie has worked on a variety of civil and mining projects, but has mostly specialized in the design, construction, operation and closure of mining projects located in cold regions and permafrost conditions. His areas of expertise include site investigation and permafrost characterization, dam design, tailings management and water balances, geothermal assessments, cover design and mine closure design and construction. In addition, he has expertise in waste dumps, diversion structures, hydrotechncial design, seepage collection, emergency response and tunnel engineering. From 2008 until 2011, he was located in the BGC office in Santiago, Chile and worked on numerous high altitude mining projects in the Andes. He has worked on projects in all three northern Canadian territories, Alaska, Far East Russia, Chile, Bolivia and Argentina. Mr. Cassie has served on the Board of Directors for the Canadian Geotechnical Society and has been a key note speaker at specialty conferences on cold regions topics.
Geoff Claypool is a graduate of the Geological Engineering program at the University of Saskatchewan and the University of Calgary. He has sixteen years' experience in the field of geotechnical and geological engineering for both mining and pipeline projects. His experience includes projects completed in many areas of Canada and the United States, along with numerous projects located on permafrost. Mr. Claypool’s project experience includes geotechnical engineering support for the construction of several new large diameter natural gas pipelines in western Canada and investigations for HDD projects. He has also worked on a number of mine reclamation projects in Canada’s north, including the reclamation of the Nanisivik Mine on Baffin Island, NU. Mr. Claypool has been a member of BGC’s Core Management Team since 2013.
Trevor Crozier specializes in hydrogeology and has over twenty years of international consulting experience. He has applied his expertise to mine water management, mine dewatering, tailings and water storage dam design and construction, slope depressurization and stabilization, environmental assessment, permitting, compliance monitoring and contaminated sites investigation, remediation and regulatory closure. He has worked in a variety of northern, temperate and tropical regions.
Mr. Crozier was as a geotechnical engineering consultant to the mining industry from 1992 until 1997 where he acquired experience in the design (including seepage and stability modeling), investigation, analysis and construction (including materials QA/QC testing and construction supervision) of zoned earth embankments for tailings impoundments, heap leach pads and water storage dams. During this period he completed many large site investigation and construction projects in the Yukon and British Columbia, Nevada, USA, the Republic of the Philippines, Australia and Argentina.
Mr. Crozier now specializes in contaminant hydrogeology, numerical groundwater flow and contaminant transport modeling and the assessment and remediation of contaminated sites. He has applied his hydrogeological expertise to mine water management, open pit dewatering, numerical groundwater flow and contaminant transport simulations, Environmental Impact Assessments (EIA) for power corridors and mining projects, Integrated Stormwater Management Plans (ISMP), slope depressurization and dewatering projects, excavation dewatering and the investigation and remediation of contaminated sites. Mr. Crozier was appointed to the Roster of Professional Experts for Contaminated Sites in BC (2003 – 2011).
Virginia Cullen is a Senior Hydrogeological Engineer and BGC Vice President, as well as a member of BGC’s Core Management Team. Ms. Cullen has been in the engineering consulting industry for 15 years and has worked on hydrogeologic assessments for a variety of sites including oil sands and metal mines, operating quarries, oil and gas refineries and large-scale chemical plants. Her project work has taken her to various parts of Canada, the USA and South America. Ms. Cullen has experience in assessment and modeling of site hydrogeology at complex sites and has provided technical support for reclamation designs. She typically contributes to projects as a technical lead or as a project manager, and has expertise in mine closure planning and design, groundwater remediation monitoring, research and environmental assessments. In addition, Ms. Cullen is responsible for managing BGC’s staff resources and operations.
Martin Devonald has over twenty four years’ international experience in engineering, geological and geotechnical projects. After a brief period in the oil service industry in the UK North Sea, he has worked on engineering projects in Canada, UK, Hong Kong, India and South Korea. This work has included geohazard assessments and terrain evaluation, with a focus on detailed landslide studies and debris mobility modelling. Mr. Devonald has completed numerous slope stability assessments and geotechnical designs. He has provided engineering geological input into several tunneling projects and completed design review of geological models at complex sites during construction. His experience includes leading geotechnical investigations, from planning and permitting to supervision and logging and geological model development. Mr. Devonald’s experience includes project management, client liaison and business development, as well as expert witness services and preparation of expert witness reports.
Simon Dickinson is a senior geotechnical engineer who specializes in soil mechanics. He has over 15 years of collective experience working on geotechnical projects across Canada and the United States. His areas of expertise include: shallow and deep (pile) foundations, advanced laboratory testing of soil and rock, offshore geotechnical investigations, pipelines, slope stability assessments for embankments and dams, landfill design and geosynthetics.
Dr. Dickinson has been responsible for the development of BGC’s advanced geotechnical laboratory, which has quickly become one of the leading facilities of its kind in North America.
Dr. Dickinson has held teaching fellowships with the Department of Civil Engineering at the University of New Brunswick and at Queen's University, and has appeared as an Expert Witness on geotechnical matters in the New Brunswick Court of Queen’s Bench.
Mr. Dufault has 15 years of international experience specializing in the design and construction monitoring of mine tailings impoundments and waste rock dumps including instrumentation and performance monitoring. His geotechnical site investigation and site characterization experience includes test pitting, auger, sonic, odex, and tri-cone drilling methods, packer, and standard and dynamic cone penetration testing. He has specialized experience in tailings dam design, and has carried out construction supervision for conventional earthen core dams, dry stack facilities and lined tailings facilities in North, Central and South America and Asia, and has northern engineering experience in Canada and Russia
Robert Enos is a senior geoscientist and environmental professional with over 25 years of experience in the mineral industry. His expertise is in environmental permitting, National Environmental Policy Act (NEPA) review, geo-environmental studies, reclamation & closure planning, and environmental impact assessment. Mr. Enos is skilled at managing complex multi-disciplinary projects, and has participated in several mine project feasibility studies, environmental impact statements (EIS), and third-party technical reviews. He previously served as Barrick Gold Corporation’s Environmental and Permitting Manager for the Donlin Gold Project in Alaska, where he contributed expertise in project permitting and regulatory approval planning. He has worked on a full spectrum of mineral resource projects, from exploration, to feasibility, stakeholder and community engagement, environmental management and permitting, and mine closure planning.
Gerry Ferris is a geotechnical engineer with over fifteen years’ experience working in the water dam, pipeline and mining industries. His work for linear structures (railways and pipelines) has been in the area of hazard/risk assessment related to slope instability assessment, design and repair. For the mining industry, his work has focused on water dams, tailings dams and diversion channels. Mr. Ferris has experience in the areas of investigation, design, construction and on-going performance monitoring of these structures. His experience includes geotechnical engineering assessments and design and construction supervision, which have taken him to project sites in Canada, USA and South America.
Over the last 5 years, Mr. Ferris has been project manager for approximately 15,000 km of pipelines, consisting of assessments of more than 1,500 individual slope or river sites including the identification of potential hazards and site reviews of all locations. Mr. Ferris has also been responsible for the evaluation of potential geotechnical loads that could have resulted from a pipeline rupture in Northern Alberta. This forensic study was completed in response to a large oil pipeline rupture.
Sam Fougère is a Senior Engineering Geologist, the BGC Vancouver Office Manager and a member of BGC’s Core Management Team. He has 14 years’ experience in geotechnical and engineering geology consulting in linear infrastructure projects for run-of-river hydro, mining, transportation (rail and road), and pipeline industry sectors in Canada, Turkey, New Zealand, Mexico and the Dominican Republic. Mr. Fougère’s expertise includes geotechnical design and construction for geohazard mitigation, soil and rock slope stability assessments, site investigation, slope deformation monitoring systems, landslide warning systems, rockfall barrier design, blasting and construction. He has extensive experience working in British Columbia’s steep, glaciated and landslide prone coastal mountains.
Vinod Garga is a geotechnical engineer with broad experience on major projects in over eleven countries in South America, Asia, and in Canada, as well as teaching and applied research experience in universities. His expertise, spanning over forty years, includes design and construction of earth and rockfill water and hydro dams, tailings dams for mine waste storage including those in seismic environment, deep excavations, liquefaction studies and ground improvement, and stabilization of large landslides. Dr. Garga has worked as a designer and as a consultant on numerous projects related to hydroelectric development, mining and resource development.
Patrick Grover has 15 years of consulting experience in the areas of civil engineering, software development, geospatial analysis and strategic consulting. Most of this experience has been for clients in the hydroelectric, nuclear and highway transportation sectors. He is a licensed Professional Engineer in Ontario, Saskatchewan and Alberta.
Mr. Grover has led a number of R&D projects involving software development, applied science and engineering. He was one of the primary developers of a snow-transport/snow-hydrology model that has been used to assess and mitigate snow drifting along highways throughout Ontario. He developed specialized workflows and GIS software tools to perform hydro-flattening/enforcement of airborne LiDAR data. Most recently he lead the development of an operational flow forecasting system to generate daily 10-day streamflow forecasts for a river in northern Ontario. Mr. Grover has also been the technical lead for several hydro-technical and consequence analysis studies in support of dam hazard classification and dam safety reviews for dams in Ontario and Saskatchewan.
Mr. Grover holds a B.A.Sc. in Mechanical Engineering and a M.A,Sc. in Civil Engineering from the University of Waterloo. He is currently a PhD Candidate in Civil Engineering at Queen’s University specializing in Computational Fluid Dynamics (CFD), sediment transport and fluvial processes. His research involves the numerical simulation of morphological changes of aquatic dunes exposed to unsteady flows.
Tom Harper has spent his career of over forty years providing assistance to project owners, particularly mining companies, with a wide variety of civil and geotechnical services. He brings to projects a broad knowledge of geotechnical design, water balance, construction practicalities, permafrost engineering and mining operations. His expertise ranges from investigations, through designs, permitting assistance, presentations to government agencies, and preparation of construction documents, construction monitoring and ongoing operations advice. He has worked around the world in diverse challenging environments, including permafrost areas in northern Canada and Alaska, wet coastal areas of the west coast and desert areas in Mexico and Chile.
Mr. Harper has worked with mining companies to provide tailings management, planning, investigations, designs, providing construction monitoring and ongoing inspections and operations advice. He has designed geomembrane liners for ponds, composite liners for heap leach pads, and covers for heaps. The geomembrane materials include PVC, HDPE, LLDPE, RPE, VLDPE, CSPE, and polypropylene, as well as a range of woven and non-woven geotextiles. Mr. Harper was involved from the early 1980s with issues of low frictional strength along soil/geomembrane contacts and the significant impact these can have on stability for heaps. He has been involved with heap leach mines in investigations, designs, permitting, construction quality assurance and ongoing operations and expansions since 1981. He has developed various technical specifications and Construction Quality Assurance Manuals, including for geosynthetics construction.
Steve Hedberg has over twenty five years of professional experience conducting geological investigations, designing groundwater remediation systems, preparing mine dewatering plans, siting water supply wells, and constructing groundwater flow and transport models. Mr. Hedberg has extensive experience with groundwater modeling tools and the construction of groundwater models for solving hydrogeological problems in numerous industries which include: mining, industrial manufacturing, railway, landfill, research laboratory and spring water development. He is a skilled project manager, and also has experience performing third-party reviews, as well as providing technical litigation support. Mr. Hedberg became a member of the Core Management Team & the Board of Directors in 2007. He assumed CEO responsibilities in 2009, and became President & CEO in 2010.
Mr. Henderson has more than 35 years of experience providing civil and geotechnical engineering design services. He is responsible for senior review and leadership on a wide range of engineering projects, including tailings impoundments, water storage reservoirs, heap leach facilities, and mine planning. Mr.Henderson technical background relating to designing mining facilities includes design-engineering experience on a wide range of projects in the US and overseas, operations experience at several large mines, mine and energy research for the US Bureau of Mines and Department of Energy, and expert witness testimony related to mining issues.
Kris Holm is a geoscientist with over twenty years of geoscience consulting experience in North and South America, and is BGC’s geohazards group leader. His experience focuses on flood and landslide geohazard and risk assessments for communities, transportation and major industry. Mr. Holm has led or acted as technical lead on over sixty detailed, quantitative geohazard risk assessments, as well as regional studies encompassing over 200,000 km². These studies have included initial hazard mapping through detailed risk analyses, evaluation of mitigation options, public consultation, and policy integration. Mr. Holm has also led the development of geospatial, web-based geohazards data applications supporting development planning and asset management.
Matthias Jakob is an internationally recognized specialist on the subject of geohazard and risk assessments.
Dr. Jakob has dedicated his career to bridging academia with industry. He is one of Canada’s leading experts in the hazard and risk assessment of landslides, especially debris floods and debris flows. He has completed such assessments in over 100 creeks mostly in Canada, but also in Chile, Argentina, Ecuador, Bolivia, and Austria. Dr. Jakob has also been retained for an in-depth study of the potential of a moraine dam lake failure in Kyrgysztan. He is the project manager and author of a series of papers on Canada’s most involved debris flow fan hazard and risk study: Cheekye Fan north of Squamish, B.C. Recently, Dr. Jakob has been involved in studying effects of climate change on the frequency and magnitude of landslides in southern B.C., and has carried out a comprehensive study on long-term changes of rainfall intensity in the Greater Vancouver Regional District.
Dr. Jakob has been involved as lead author for the Professional Practice Guidelines of APEGBC on Legislated Landslide Assessments for Residential Developments (APEGBC, 2010) and Legislated Flood Assessments in a Changing Climate (APEBGC, 2012). Dr. Jakob spearheaded both guidelines, and he is currently engaged in organizing to extend them, as well as provide standards for provincial geohazard and risk maps in collaboration with Emergency Management BC (EMBC).
Dr. Jakob has authored some 50 publications in the fields of applied geohazard assessments and was senior editor on a book on debris flows and debris avalanches published in 2005 that won the prestigious Burwell Award in 2009. He is a frequently invited guest lecturer at universities and a sought-after keynote speaker at international conferences.
Dr. Amir Karami is a senior rock mechanics engineer who specializes in underground and open pit geotechnical engineering in both mine operations and consulting. Dr. Karami has been involved in many projects related to rock engineering, open pit and underground rock mechanics design as well as instrumentation and monitoring programs from scoping to feasibility studies in consulting to ground control engineering at active mine operations. His underground mine operations experience includes geotechnical design of underground excavations, ground support design, stope design and stability assessments, ground control management plan development, numerical investigation of geotechnical problems, geotechnical monitoring and instrumentation and geotechnical audits as well as geotechnical support to underground mine operations. Dr. Karami has been involved in many geotechnical incident investigations and has developed technical skills to analyze and identify root-causes of geotechnical incidents.
Derek Kinakin is an engineering geologist and a specialist in rock mechanics. He has been involved in multiple mine development projects at the preliminary economic assessment, pre-feasibility, and feasibility stages. His construction experience includes civil rock slopes, rock foundations, rock support, and aggregate evaluations. Mr.Kinakin has worked throughout British Columbia as well as Alberta, Ontario, Alaska, and Nevada. His international field experience includes projects in Mexico, the Dominican Republic, Madagascar, and Eritrea. He currently provides ongoing geotechnical support to open pit operations mining gold and base metals related to VMS and porphyry systems. Mr. Kinakin’s combination of a strong geomorphology and geology background with rock mechanics expertise adds value to many types of projects. He currently serves on the executive of the Rock Mechanics Division of the Canadian Geotechnical Society, is a member of CIM and CRMA and is also a member of BGC’s Core Management Team.
Rod Kostaschuk has over twenty five years of experience in geotechnical engineering comprising project work in embankment dam design and construction, foundation engineering, hydrogeology, slope stability and numerical modelling. Mr. Kostaschuk has worked in several industry sectors including mining, oilsands, oil and gas, transportation infrastructure, water resources and hydroelectric development. Most of his projects have been located in western Canada and South America, but he has also worked on projects in Europe and the United States. He has experience in seismic design and prediction and mitigation of soil liquefaction. He has expertise in soil/structure interaction, liquefaction, groundwater flow and consolidation modelling using FLAC, and with other analytical software including SHAKE, SlopeW, SeepW and LPILE. He is experienced in planning and executing site investigation and geotechnical instrumentation programs and has drilling experience with many types of rigs. Some of his larger projects have included Geotechnical Review Boards of independent experts, where he has presented on behalf of the geotechnical design team.
Dr. Angela Küpper has more than thirty years of experience in design, construction, rehabilitation and independent reviews of earthfill dams, including tailings dams and water retention dams for power generation and water supply. She has worked in Canada, USA, Brazil, Congo, Chile, Suriname and Madagascar. Her doctoral thesis in the late 1980’s was on the topic of design and construction of tailings dams. Since then, Dr. Küpper has been responsible for numerous dam and waste dump projects as a designer, engineer-of-record, expert consultant and independent reviewer, and has been responsible for dams as high as 600ft. These projects have involved site selection, site investigation, feasibility studies, construction supervision, laboratory testing, instrumentation design and installation, foundation design, retaining structures design, dam design, dam safety, dam rehabilitation, groundwater seepage evaluation, numerical modelling (stress, seepage and thermo analyses), liquefaction evaluation, slope stability analysis, risk assessments and independent reviews. In the mining industry her experience includes gold, copper, magnetite, bauxite, nickel, mixed metals, iron, coal, and oil sands. Over the last eighteen years, Dr. Küpper has been involved in an independent review capacity for large dam structures in various industries including hydroelectric, pulp and paper, irrigation districts and mining (gold, iron, oil sands, copper, nickel and molybdenum).
Dr. Küpper has been a member of the committee that prepared the Canadian Dam Safety Guidelines, which have been adopted as basis for guidelines in many jurisdictions, and she continues to be involved in guidelines and regulatory work in Canada.
She has been selected the 2011 Distinguished Lecturer of the American Society of Civil Engineers/University of California, Berkeley where she spoke on the topic of design and performance management of earth fill dams.
Matt Lato is a Senior Engineer at BGC with a diverse background in engineering geology gained from work experience in North America, South America, Europe and Australia.
His technical expertise is in the application of 3-dimensional remote sensing, specifically LiDAR and photogrammetry, for geotechnical mapping, change detection monitoring, and stability assessment. He has worked on various engineering geology projects including landslide monitoring and management, geohazard risk management systems, geohazard emergency response, , hydro power, mining, and glacier monitoring.
Matt is the lead author of the Site Investigation, Analysis, Monitoring and Treatment chapter of the Canadian Technical Guidelines and Best Practices related to Landslides, and an author or co-author of over 100 journal and conference papers. He is an Adjunct Professor in the Department of Geological Sciences and Geological Engineering at Queen’s University, and an Affiliate Faculty Member in the Department of Geology and Geological Engineering at the Colorado School of Mines. Matt joined BGC in 2014, he is based in Ottawa, Ontario.
Clint Logue has a diverse background in applying the principles of geotechnical engineering and engineering geology to the design and construction of large engineering projects, in Canada, the USA and internationally. Mr. Logue’s experience includes site characterization investigations, geological mapping, geohazard identification, airphoto interpretation, instrumentation planning, installation and monitoring. His experience includes siting, design, specification, construction control, inspection, closure, and review of large engineering projects. He has worked on a wide variety of projects, including earth and rockfill dams, retaining structures, building foundations, pipeline and transportation corridors, and mining projects on both soils and rock in arid, temperate, permafrost, and tropical climates. Mr. Logue has extensive experience in the application of risk management using both qualitative and quantitative risk assessments.
Dr. Roy Mayfield is a Principal Geotechnical Engineer who has worked on mining projects for most of his career. He has experience in all phases of the development of mining projects, from preliminary siting studies through design, permitting, construction, and closure. His areas of expertise include tailings impoundments, heap leach facilities, waste rock dumps, and water storage dams. He has worked on projects in Canada, the United States, Central and South America, and central Asia. While at BGC, he has co-authored several papers on his technical specialty - seismically triggered soil liquefaction. In 2009, the American Society of Civil Engineers awarded the Norman Medal to Dr. Mayfield and Professor Steven Kramer for their 2007 paper, “The return period of soil liquefaction”. Dr. Mayfield is a member of the American Society of Civil Engineers, the Earthquake Engineering Research Institute and the Seismological Society of America, and is active in BGC’s Quality Management Team and Board of Directors.
Dr. Medina’s is a senior civil/geotechnical engineer with more than 10 years of consulting, research and teaching experience. She has diverse background in applying the principles of geotechnical and earthquake engineering to civil and mining projects, both in Chile and internationally. Her experience includes site characterization for engineering design, instrumentation and monitoring, in-situ and laboratory testing of soils, geotechnical design of foundations and earthworks, retaining walls and earth and rockfill dams under static and earthquake loading conditions, liquefaction and lateral spreading assessments, static, pseudo-static and post-seismic slope stability assessments, geotechnical inspection of dams and project management. Dr. Medina has been also involved in numerous numerical modeling studies including dynamic deformation analysis of tailing dams, analysis of bridge foundations, deep excavations and buried structures. Over the past three years, Dr. Medina was involved in independent third party geotechnical tailings review programs for Freeport McMoRan’s Tailings Stewardship Team and Lundin Mining Corporation. Dr. Medina is the Office Manager of the Santiago office and a Professional Engineer in Chile.
Dr. Carl Mendoza is a Principal Hydrogeological Engineer with over 30 years of consulting and applied academic experience in the general areas of physical and contaminant hydrogeology, including the vadose zone, with a wide range of applications. He specializes in using field investigations and numerical models to understand complex hydrogeologic systems to solve environmental or engineering problems. He has worked with the conventional oil-and-gas, oil-sand mining, hard-rock mining and forestry industries, for environmental and engineering consulting companies, and as a university professor. His physical hydrogeology expertise includes the analysis and evaluation of water resources, pumping tests and effective aquifer properties, regional flow systems and surface-water/groundwater interactions, plus seepage analyses for tailings impoundment areas and their dams and unsaturated flow analyses through covers on waste rock. His contaminant hydrogeology expertise includes most aspects of subsurface transport analyses, including soil-gas and vapour transport, multi-phase flow and dissolution of oily liquids in porous media and fractures, advective-dispersive transport with biodegradation, and remediation using monitored natural attenuation, bioventing and permeable reactive barriers, among others.
Working at oil-sand mines and metal mines across Canada, Dr. Mendoza has developed expertise in mine development, monitoring and operations, seepage prediction and control, and reclamation and closure. Scopes range from field investigations, through numerical modelling, to design and execution. He has researched, designed and implemented reclamation strategies to establish integrated wetlands and forestlands on tailings dam, tailings pond and waste-rock dump landforms. Dr. Mendoza taught undergraduate and graduate courses in hydrogeology for 25 years and has delivered short courses or workshops on numerous topics. He is co-author of over 60 refereed scientific articles, 30 conference papers and 100 conference presentations.
Mr. Troy Meyer, is a Principal Geotechnical Engineer with diverse experience in civil engineering projects, primarily in the areas of geotechnical field investigations, feasibility studies, design, and construction oversight for a wide variety of mining and heavy civil projects located worldwide. His experience includes front-end studies and engineering design for mine development projects from conceptual through Pre-Feasibility and Feasibility. His technical expertise includes design of heap leach facilities, tailings dams and impoundments, water balance modeling, static and dynamic stability, settlement and consolidation analyses, tailings deposition modeling, design of geosynthetic lining systems and construction quality assurance/ quality control (QA/QC) program development and implementation.
Brent Mooder is a principal hydrogeological engineer with more than eighteen years of applied earth sciences consulting experience. He has expertise in numerical and analytical groundwater modeling, seepage analysis, groundwater supply, dewatering, depressurization, well installation, aquifer testing, regional groundwater evaluation, groundwater resource evaluation, and groundwater quality assessment. He works closely with BGC geological and geotechnical engineers to evaluate groundwater seepage, interactions between pore pressures and slope stability, and hydrogeological aspects of dam design. He has developed models for contaminant fate and transport analysis, seepage analysis, and groundwater resource evaluation at many levels of complexity and scale for clients in Canada and throughout North America. Mr. Mooder has led several mine closure design projects as project manager and has particular expertise in northeastern Alberta oilsands hydrogeology. Mr. Mooder has provided review and support on the hydrogeological aspects of numerous mines in Canada and around the world, including development, operations, reclamation, and closure.
Brian Nachtigal is a geotechnical/geological engineer with twenty five years of diverse international experience in the mining, forestry, transportation and oil and gas industries. He has experience carrying out natural hazard and risk assessments for linear facilities, including pipelines, forest roads and railways. His risk assessment experience includes evaluation of risk to railways from natural hazards following wildfires. He is also experienced in project management, construction supervision, contract administration and quality control/quality assurance for large earthworks, rock slope stabilization and underground mining projects.
Mr. Nachtigal has planned or carried out site investigations, installation of subsurface and surface geotechnical instrumentation, landslide monitoring programs and soil testing. He has carried out terrain stability field assessments, road deactivation and terrain stability mapping on the coast and in the interior of British Columbia. Mr. Nachtigal has also been involved in the decommissioning of mineral exploration properties in Argentina and Peru.
Warren Newcomen has twenty nine years of experience with assessment, analysis, design and reporting for a wide range of geotechnical and hydrogeological projects in North America and internationally. He has geotechnical project management, contract tendering, construction supervision and client-contractor liaison experience. Mr. Newcomen has extensive practical experience in rock mechanics investigations and rock mass strength assessments. He also has experience with the investigation, design, construction, and reclamation of mine waste facilities. He has a special interest in the installation of geotechnical instrumentation to evaluate open pit performance as part of optimizing mining operations and minimizing risk, and has written several papers on this subject.
Mr. Newcomen has significant experience in geotechnical project management, contract tendering, construction supervision and client-contractor liaison for slope stabilization projects. This is complemented with five years operational experience at one of Canada’s largest open pit mining operations where he oversaw the pit slope and waste dump stability, and directed the pit dewatering program.
Mr. Newcomen also currently provides quarterly and semi-annual reviews for a number of operating mines in North America. He has been involved in due diligence assessments for mine acquisitions, working as part of a multi-disciplinary team including ore reserve geologists, mining engineers, finance professionals, and takeover specialists to evaluate operating mines for sale.
Michael Porter has over eighteen years of experience in a broad background of engineering geology and geotechnical engineering. He is a Vice-President and key member of the Core Management Team at BGC. Mr. Porter’s work focuses on geohazard risk management, which includes the identification, risk assessment, and avoidance or mitigation of hazards ranging from tsunami, volcanic eruption, fault rupture and soil liquefaction, to more frequent events, including landslides and river erosion. Mr. Porter has helped to develop and implement geohazard risk management programs for oil and gas, hydropower, railway, transportation and mining industries in geologically active terrain throughout North and South America. He also led one of Canada’s first applications of quantitative landslide risk assessment for the management of urban landslides, which required considerable consultation with municipal planners and engineering staff, elected council, legal counsel, and the public.
In addition to the management of natural hazards, Mr. Porter is well versed in traditional geotechnical engineering practice, including terrain mapping, linear route assessments, borrow investigations, geotechnical site investigation, and the design of foundations, excavations and retaining structures, as required for pipeline, transportation, mining, and site remediation projects.
Bob Powell has over 30 years of experience in geotechnical engineering consulting. He has worked extensively on design, assessment and rehabilitation of water retention, tailings and concrete dams, mine closure and rehabilitation studies, deep and shallow foundation evaluations, slope stability and stabilization studies, construction services, forensic work, as well as environmental assessments and remediation studies. Mr. Powell has been involved on numerous geotechnical and environmental projects throughout North and South America.
Mark Pritchard has over twenty five years of wide ranging experience in geohazard assessment/remediation, geotechnical design and construction in the transportation, hydroelectric, mining, pipeline, and forestry industries. Mr. Pritchard has worked on extensive projects in Canada, the United States, and South America. He is well versed in rock fall risk management systems, rock excavation and stabilization, linear earthwork systems, retaining walls, debris flow and rock fall barrier design. Mr. Pritchard has also brought expertise in forest road stability and design, soil and rock slope stability investigations and monitoring programs, and the mitigation of rock and soil landslides to many of our clients.
Pete Quinn has over twenty three years of experience in geotechnical engineering. He completed his undergraduate training in Engineering Physics at Royal Military College, a master’s degree in Geotechnical Engineering at UBC, and doctorate in Geological Engineering at Queens. He started his career as a Military Engineer, completing engineering investigations and construction projects across Canada and abroad. Dr. Quinn’s project work has taken him all across Canada, to Alaska, South America and the Caribbean. His interests and work experience are diverse, but with a primary focus on geological hazards and geohazard risk.
Dr. Wayne Savigny has forty three years of experience in the overlapping fields of geology and engineering. He specializes in the interpretation of geology as it influences engineered development with applications to the oil and gas, hydro and thermal electric, mining, pipeline, and transportation industries. Much of his experience has focused on geohazards such as permafrost, landslides, fault rupture, karst, soil erosion, and river erosion, particularly in high relief terrain. He has developed and implemented methodologies for the systematic identification and rating of geohazards affecting linear infrastructure facilities and for their risk management, and has coordinated multi-disciplinary teams of consultants and industry representatives in developing strategies to investigate and manage complex geohazards involving high risk costs. The work has taken him throughout Canada and to many countries in Central and South America, Europe, Asia and Australasia. He has also been retained as an expert for review panels, litigation cases, inquests, and public hearings in Canada, Argentina and the United Kingdom.
Dr. Savigny is an Adjunct Professor in the Faculty of Science at the University of British Columbia and recipient of its Teaching Excellence Award. He has also been a sessional lecturer at the University of Alberta and Queen’s University. He is a recipient of the Thomas Roy and Roger J.E. Brown Memorial awards from the Canadian Geotechnical Society for outstanding contributions to Engineering Geology and Permafrost in Canada, was the Society’s 2005 Cross Canada Lecturer, and a former Associate Editor of the Canadian Geotechnical Journal. His professional work as a member of a large multidisciplinary team has also been recognized with a Government of Canada Award of Excellence. He was elected a Fellow of the Engineering Institute of Canada in 2011.
Jack Seto has over 21 years’ experience in geotechnical engineering for a variety of civil, mining, and oil and gas development projects. Mr. Seto’s experience has spanned the arctic and high mountain areas, including the Northwest Territories, Nunavut, Yukon, Alaska, northern Quebec, Russia, Greenland, Norway, Chile, and Kyrgyzstan. He is experienced in the geotechnical design, construction, and repair of waste rock embankments, dams, slopes, overburden stockpiles, and road embankments. He has designed thermosyphon-cooled foundations for dams and buildings founded on permafrost. He is also experienced in the design of tailings storage facilities and has designed, monitored, and assessed the geotechnical performance of several pilot scale test deposits of oil sands tailings dewatering technologies. He is a member of the executive of the Cold Regions Division for the Canadian Geotechnical Society.
Mr. Ian Stilwell has over 20 years’ experience as a consulting geotechnical engineer. Over the years, Mr. Stilwell has developed a broad range of experience, but his primary focus has been rock mechanics and its application to open pit slope design. He has worked on numerous world class mining projects, from conceptual to operating phases, primarily in Canada, the United States, Peru, Chile and Ecuador. Ian has also been involved in the development of several analytical tools during his career and his core expertise includes characterization of intact and rock mass parameters, slope stability analyses, interpretation of slope monitoring data and geotechnical review.
Matt Thibeault is a senior geotechnical engineer with over 20 years of experience in geotechnical consulting in transportation, mining, oil and gas, hydroelectric, forestry, commercial and residential projects. He specializes in shallow and deep foundations, soil cut and fill designs, rock cut designs, shoring, retaining walls, temporary excavations, terrain hazard assessments and landslides. He has provided geotechnical services for several railway siding extensions, highway widenings and new alignments, bridge foundations and abutments (rail and road), hydroelectric substations, and mine expansions (infrastructure). Mr.Thibeault’s practice has been mostly in BC and across Canada, with some experience in Panama, Australia and Kurdistan.
Ms. Thompson is a Senior Hydrogeological Engineer with 14 years of international consulting experience. Ms. Thompson’s main areas of experience are physical and quantitative hydrogeology; including numerical and analytical groundwater modeling, site characterization, instrumentation planning, installation and monitoring, aquifer testing, mine depressurization and dewatering, seepage control, and groundwater quality assessments. For the past 10 years she has worked extensively on the development of numerical groundwater flow models, mine water management plans and hydrogeological site characterization for proposed, in-construction and operating mines, as well as for mine closure planning. She has considerable knowledge of industry standard modeling packages such as MODFLOW and SEEP/W. Randi has experience with the evaluation and management of seepage from tailings dams; with open pit slope and natural slope depressurization design and stabilization; with environmental site assessment, permitting and compliance monitoring; and with mine site closure. She has worked in a variety of climates including northern, temperate, arid and tropical regions.
Jorge Troncoso has 25 years of experience in civil engineering, most of those devoted to geotechnical projects in the mining industry. He graduated in Civil Engineering from the Catholic University of Chile in 1990 and then got a MSc. from Colorado State University in 1999. Jorge started a family-owned geotechnical consulting firm in Chile in 1992, joined MWH in 1999 (where he left as a Vice-President in 2007), workedﾠ for Bechtel Chile as Business Development Manager and then joined Barrick Gold in 2008 as Geotechnical Manager – Tailings and Heap Leach. His experience involves numerous projects and assisting mining operations worldwide, focusing primarily in Peru, Chile and Argentina. Jorge has managed, designed, and reviewed geotechnical projects from initial planning through to construction, commissioning and operation.
Betsy Waddington has over twenty years of experience mapping terrain and terrain stability throughout British Columbia, Alberta and South America. Ms. Waddington has worked on a wide range of projects, including, terrain analysis, geohazard identification and risk assessments for mines, pipelines, transmission lines and reservoirs. Her skills and expertise include airphoto interpretation, and field studies of surficial geology.
Hamish Weatherly is a Principal Hydrologist with over twenty years of experience. His main areas of expertise are hydrology, fluvial geomorphology, and debris flow/debris flood modeling. In recent years, Mr. Weatherly has worked extensively on the development of water management plans for proposed, in construction and existing mines, as well as closure activities. This work includes diverse climatic environments such as Alaska, Canada, Chile, Argentina, Russia, and the Dominican Republic. He has been involved in all aspects of water management including the development of site water balance models, water management strategies (in wet, arid and northern environments), and the design of infrastructure such as pond volumes, pumping capacities, diversion channels and spillways. Mr. Weatherly has also worked extensively on hydraulic (scour) and geomorphic issues (bank erosion, avulsion) related to existing and proposed pipelines throughout North America, with a focus on Alberta and British Columbia. This work includes estimating the probability of exposure of existing pipelines on medium to large rivers and ensuring that potential hydrotechnical hazard impacts are minimized for proposed pipelines. In addition, Mr. Weatherly has completed extensive work on channel stability problems in the Pacific Northwest, with a particular emphasis on anthropogenic and natural influences on channel planform and sediment transport rates. Major projects on large gravel-bed rivers include the Fraser River, Lillooet River, and Lower Nooksack River. Mr. Weatherly’s geomorphology expertise is complemented by his knowledge of river engineering including hydrologic and hydraulic modelling. He is currently Communications Director for the BC Branch of the Canadian Water Resources Association
Dr. Wainstein is a hydrologist and a specialist in cryosciences with 13 years of experience in the field of northern and alpine hydrology (permafrost and glaciers). He completed his doctorate degree at the University of Calgary, Canada, on the hydrogeological relationships between arctic glaciers and permafrost. Through the application of shallow geophysics, topographical surveys, hydro-thermal modelling, remote sensing and oblique time lapse photogrammetry, was able to study the preservation and regeneration of ice related features in proglacial valleys of glaciers within the Canadian Arctic. He has taught courses on hydrology and permafrost at the University of Calgary and authored several publications with respect to northern hydrology and cryosciences. He has been the recipient of several awards and grants, including the Alberta Ingenuity Doctoral Fellowship. Dr. Wainstein is on the Board of Directors for the Foundation for Glacier and Environmental Research in Juneau Alaska.
Lately, Dr. Wainstein’s consulting involvement has been centred on the assessment of the glacial and periglacial environments in Canada and the South American Andes, including the study of the distribution of permafrost and related landforms, hydrological implications of these features and the environmental implications of gas and mining projects.
Ms. Welkner is a senior engineering geologist with 14 years of experience. She has diverse background in geotechnical and geological engineering in northern British Columbia, Dominican Republic, Peru and Chile. Her experience includes static and pseudo-static slope stability analysis, numerical modeling of large rock slope failures, rock mass and discontinuity characterization, analysis of liquefaction potential using SPT-based and CPT-based liquefaction triggering analysis, site characterization investigations, geological, structural and geotechnical mapping, geohazard identification, instrumentation installation and project management. Further experience also involves project work at the pre-feasibility and feasibility levels for open pit design and mine closure planning and design. Ms. Welkner is a Professional Geologist in Chile.
Adrian Wightman is a geotechnical engineer with forty-six years of experience in Canada, the US, and overseas, specializing in geotechnical earthquake engineering and its application to foundations and to earth and rockfill dams. He has over twenty years’ experience in design and construction of earthfill and rockfill embankment dams, and dam safety review of earthfill dams, reinforced shotcrete face rockfill dams and mine tailings dams. Mr.Wightman has experience in the application of ground improvement techniques to foundation and dam engineering problems, including vibro-stone columns, explosive densification, and Dynamic Consolidation. His experience encompasses design, project management, and specialist technical review of water retaining earthfill and rockfill dams and includes a range of earthquake engineering applications, including seismic hazard evaluation, ground response and subsoil liquefaction assessments, and soil-structure interaction. He was a member of the Canadian reconnaissance team that visited the Koçaeli earthquake zone in the fall of 1999, the Wenchuan earthquake zone in late 2008, and the Maule, Chile, earthquake in 2010. Mr. Wightman has also recently completed twenty five years of service on the Standing Committee on Earthquake Design (National Research Council of Canada)
Andre Zerwer, Ph.D., P.Eng., Senior Geotechnical Engineer Dr. Andre Zerwer is a senior geotechnical engineer with over 25 years of experience in the design and construction of dam structures for tailings and water retention as well as conducting dam safety assessments. Dr. Zerwer has been involved with various geotechnical aspects of mine closure such as stabilization of spoil stockpiles, stabilization of tailings, embankment design and cost estimating. He has broad geotechnical experience: completing geotechnical projects involving the design and construction of shallow and deep foundation systems for buildings, bridges and various other types of infrastructure. Dr Zerwer has undertaken projects in the design, construction and monitoring of stabilization measures for natural and man-made earth slopes and excavations, commercial and residential land development, municipal services and the design of embankments over soft ground. He has extensive experience with geotechnical material testing procedures, analyses and has worked extensively through Ontario, Canada.