Call & Nicholas, Inc.

Provides geotechnical evaluation and slope design optimization to support safe and efficient open-pit mining operations.

• Numerical Slope Modeling

  Applies 2D and 3D numerical models to evaluate overall slope stability and assess rock mass behavior.

• Bench-Scale Stability Analysis

  Performs probabilistic analyses of bench-scale slope stability to optimize catch-bench configurations.

• Geological Domain Definition

  Defines geotechnical domains and interprets structural geology for design input.

• Geotechnical Data Collection

  Gathers critical rock mass data through surface mapping, photogrammetry, oriented core logging, and televiewer surveys.

• Slope Failure Investigation

  Conducts forensic investigations of slope failures and designs targeted remedial stabilization measures.

• Geotechnical Instrumentation and Monitoring

  Implements advanced monitoring systems using radar, prisms, extensometers, and InSAR to track ground displacement.

Delivers comprehensive rock mechanics and ground control engineering for diverse underground mining methods.

• Mine Method and Sequence Evaluation

  Assesses and selects optimal mining methods and sequencing, including block caving, stoping, and room-and-pillar operations.

• Pillar and Stope Stability Analysis

  Analyzes and designs underground structures, optimizing stope layouts and pillar dimensions for structural stability.

• Ground Support Design

  Selects and designs high-confidence ground support systems, specializing in shotcrete, cemented backfill, and structural reinforcement.

• Underground Instrumentation and Monitoring

  Installs and interprets specialized instrumentation to monitor excavation behavior and ground support performance.

• Ground Control Management

  Develops site-specific ground control management plans and quality assurance protocols for underground environments.

Provides advanced groundwater characterization, dewatering, and slope depressurization programs to manage pore pressures.

• Pit Depressurization and Dewatering Design

  Develops and manages comprehensive dewatering programs and slope depressurization systems.

• Inflow and Pit Lake Modeling

  Utilizes analytical and numerical flow models to predict groundwater inflows and evaluate pit lake formation.

• Hydrogeological Site Characterization

  Designs and executes field investigation programs, including hydraulic testing and piezometer installation.

Conducts structural mapping, drill program management, and laboratory testing to build robust geological and geomechanical models.

• Drill Program Management

  Plans and manages geotechnical and geological drilling campaigns to collect high-quality subsurface data.

• Geomechanical Laboratory Testing

  Evaluates the physical and mechanical properties of rock and soil materials in a dedicated testing laboratory.

• Geologic Modeling

  Translates geological data into detailed 3D models to support downstream engineering and mine planning.