During the design process EA's engineers and scientists consider the entire mining life cycle to accelerate permitting, maximize operational efficiency, minimize environmental liabilities, and expedite closure. As needed, our staff uses state-of-the-art computer models during the design process. Our staff is proficient with the following 2-D and 3-D analyses packages: Geo-Slope, SoilVision, RocScience, Flac, Flac3D, UDEC, 3DEC, MODFLOW, as well as other modeling packages that may be required to meet the project needs.
EA’s staff performs site and geotechnical investigations to determine the material properties and identify problematic areas. Our staff can provide the grading plan, liner design, collection piping layout, and stability analyses of the heap-leach pad. We use the existing site topography to facilitate collection of leachate, minimize capital costs, and speed the construction process.
EA’s hydrogeologists have extensive experience developing dewatering plans and determining the impact that the pit dewatering might have on the surrounding aquifer. The groundwater flow data developed for pit dewatering can be used to optimize the pit layout and determine water treatment requirements.
EA works with our clients to determine the optimal placement and sizing of their waste storage facilities. As needed, our staff provides consulting services for expansion, tailings deposition, and operational issues. EA is currently working with existing clients to apply the principles presented in the Global Industry Standard on Tailings Management to their tailings impoundments. EA staff also analyze the potential for tailings liquefaction and foundation failures and mitigation measures.
EA's staff has extensive experience completing soil and rock slope stability analyses. When needed, our staff also installs slope movement monitoring devices to alert operators of movement and potentially unsafe conditions.
As part of the site design process our engineers provide recommendations for road grading, facilities layout, and foundation recommendations.
A site-wide water balance is a critical piece of information during operation and closure to minimize risk, meet environmental regulations, and meet production targets. EA has completed water balances for many industries and has incorporated climate, groundwater, surface water bodies, recycle/reuse to help our customers source, dispose of, and understand the future demands of their site.
Our engineers provide due diligence investigations for new policies and policy renewals. We also provide investigations to support litigation claims. Our insurance recovery support services include environmental releases and slope and tailings dam failures.
Engineering & Design
Process, Instrumentation, Controls
Environmental Monitoring & Compliance
Construction Material Testing
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