JIM CASSIE, M.Sc., P.Eng.
Specialist Engineer, Mining Projects
Education:
B.Sc., Geological Engineering, University of Manitoba - 1984
M.Sc., Geotechnical Engineering, University of Alberta - 1987
Summary of Experience:
13 years - permafrost and geotechnical engineering, design, construction, closure planning and construction management, risk assessment and project management for foundations, pipelines, tailings dams, waste dumps, pits and mining developments in northern Canada and Russia.
3 years - site investigation, geotechnical and foundation engineering for civil projects along with soft ground tunnel design and construction monitoring.
2 years – onshore and offshore permafrost site investigations for pipelines, drill platforms, airstrips and highways in northern Canada and Alaska
Affiliations:
Professional Engineer, Assoc. of Prof. Engineers, Geologists and Geophysicists of Alberta.
Professional Engineer, Assoc. of Prof. Engineers, Geologists and Geophysicists of the Northwest Territories and Nunavut
Professional Engineer, Yukon Territory Assoc. of Professional Engineers
Vice-Chair, Cold Regions Div. of the Can. Geotechnical Society
Current Chair, Cold Regions Div. of the Can. Geotechnical Society / Mr. Cassie has more than 18 years experience in the areas of geotechnical, geological and tailings engineering. The majority of his experience relates to mining and pipeline developments in the arctic areas of Canada, Alaska and Russia. Responsibilities include overall task and work scope planning, project management, client liaison and liaison with regulatory agencies and attendance at technical meetings and public hearings. Some relevant project engineering experience includes the following:
· Project manager for prefeasibility work on the High Lake Project in Nunavut. Project involves two separate mines sites, connected by road to a proposed port on the Arctic coastline. Provide site reconnaissance, airphoto interpretation, assessment of permafrost conditions, site investigation and conceptual design of mine waste facility and six dams. Also provided geomechanical input for pit design.
· Senior reviewer on the Ore and Waste Rock Storage Plan for the Ulu Mine development program in Nunavut. assessment of mine waste run-off, expected water quality concerns and proposed mitigation plans.
· Principal engineer with respect to all engineering aspects of the Final Reclamation and Closure Plan for Nanisivik Mine on Baffin Island. Responsible for the tailings and waste rock cover design, assessment of talik and permafrost engineering aspects along with quarry development (massive ground ice in bedrock) and coordination of hydraulic engineering, geochemical and other environmental aspects. Represented the client at numerous Technical Meetings and Public Hearings.
· Lead geotechnical engineer regarding the risk assessment, dam safety performance and closure planning for the Down Valley Tailings Area at Faro Mine, YT. Area includes three significant dams and spillways, diversion channels and proximal waste dumps, all situated on discontinuous permafrost. Numerous closure planning, closure options scoping reviews and cost-estimates were prepared as input to the Final Closure Plan.
· Principal engineer with respect to closure planning and final design for the Discovery Mine, which was partially reclaimed earlier. Technical work includes assessment of existing tailings cover (subject to frost issues), reclamation of a disturbed borrow pit, permafrost monitoring, on-going water management, mine opening closure design, crown pillar risk assessment and assessment and coordination with ESA, site landfill design and cover geochemical issues. Providing engineering input to the Comprehensive Remediation Plan for the site, including community consultation and regulatory assistance.
· Undertook a technical review of the proposed Partially Saturated Granular Cover (PSGC) approach for the tailings at Lupin Mine. Formed a multi-disciplinary team of geotechnical engineers, permafrost scientists and geochemists to review potential technical concerns with the proposed approach.
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Mines Experience:· Buffalo Head Hills Diamond Project, AB
· Cheviot Coal Project, AB
· Colomac Mine, NT
· Damoti Lake Gold Project, NT
· Diavik Diamond Project, NT
· Discovery Mine, NT
· Giant Mine, NT
· Ekati Mine / NWT Diamond Project, NT
· Faro Mine, YT
· High Lake Project, NU
· Hope Bay Gold Project, NU
· Izok Lake Mine, NT
· Jericho Diamond Project, NU
· Ketza River Mine, YT
· Kubaka Mine, Russia
· Lupin Mine, NU
· Meadowbank Gold Project, NU
· Nanisivik Mine, NU
· Polaris Mine, NU
· Raglan Mine, QC
· Salmita Mine, NT
· Snap Lake Diamond Project, NT
· Sukhoi Log, Russia
· Thor Lake Be Deposit, NT
· Ulu Mine, NU
· Voisey Bay Project, NF / · Lead geotechnical engineer for the initial site reconnaissance and siting of all proposed mine infrastructure (access roads, plant site, mine waste, borrow pits, etc.) for Winspear Resources’ Snap Lake Diamond Project in the NWT.
· Lead geotechnical engineer for investigation, design, construction and performance monitoring of the Processed Kimberlite Containment Facility for the Snap Lake Diamond Project, NT, owned by De Beers Canada Mining Inc.
· Lead geotechnical engineer regarding dam safety and water diversion structures’s performance and closure planning for the Down Valley Tailings Area at Faro Mine, YT.
· Task leader for the prefeasibility design of all proposed tailings and waste dump for the Diavik Diamond Project in the NWT for Kennecott and RTZ. Capital, operating and closure costs estimated for complete life cycle of the project, along with specialist design services for processed kimberlite dams and waste dumps on continuous permafrost.
· Specialist geotechnical engineer responsible for initial assessment of technical issues and costing assessment for access road and mine waste components relative to proposed plan to purchase Sukhoi Log Gold Project in Russia. Proposed a tailings dam greater than 150 m in height on discontinuous permafrost.
· Lead geotechnical engineer responsible for the stability assessment, risk assessment and performance evaluation of a continuously frozen, upstream-method constructed tailings dam at Nanisivik Mine on Baffin Island. Also responsible for geotechnical and permafrost engineering components of the closure plan for the mine.
· Project engineer for permafrost and geotechnical investigations, granular resources surveys, design of foundations, tailings dam and tailings containment, waste dumps, haul roads and water supply and construction monitoring for aspects of the Kubaka Mine, located on continuous permafrost in Far East Russia.
· Project Manager and Principal Engineer for the evaluation of short-term (three year time frame) management options for the Vangorda diversion flume at Faro Mine, Yukon. Geological and structural mapping was undertaken to assess the cause of rockfalls damaging the underlying flume sections.
· Undertook detailed cost-estimate and assessment of technical issues with respect to the closure cost for the Lupin Mine, NU. Cost-estimate included all direct capital costs along with indirects and potential risks.
· Provide Kinross Environmental Division will outline of potential issues with regards to the closure planning for Lupin Mine. Reviewed other mine closure regulatory approval processes in NU and provided strategic advice.
· Principal engineer regarding geotechnical and permafrost stability issues with respect to the Ketza River Mine. Also undertook a preliminary cost estimate of the closure capital +costs and undertook a risk assessment to estimate potential costs for catastrophic failures at the site.
· Field Engineer for Yukon Energy/Acres International near Teslin, YT for investigation of ground conditions at proposed hydroelectric site in permafrost.
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