ANGGIE PRIAWAN HARDIAN

ensure that the TSF are constructed in compliance with design specifications and QA/QC standards. The Senior Engineer is also responsible for overseeing the development, reporting, and interpretation of TSF Instrumentation Monitoring, including implementing controls for AMD management. This role requires close collaboration with the consulting engineer to ensure that QA testing meets the specified objectives and construction standards, with regular communication on progress and any instances of non-compliance. Additionally, the Senior Engineer is responsible for preparing construction plans on a weekly, monthly, and yearly basis, as well as for preparing technical reports required by both internal and external stakeholders.

• Geotechnical Modelling and Analysis
  Lead the development and execution of advanced geotechnical models using software such as Slide2D, RS2, Plaxis 3D, and GeoStudio.
  Perform slope stability analyses, ground deformation simulations, and risk assessments to support safe mining operations.
• Supervision and Team Leadership
  Manage and mentor a team of geotechnical engineers and technicians in modelling tasks.
  Ensure quality control and accuracy of modelling results and interpretations.
• Risk Identification and Mitigation
  Identify potential geotechnical hazards based on modelling outcomes.
  Develop mitigation strategies and advise mine operations on risk management.
• Reporting and Documentation
  Prepare detailed technical reports summarizing modelling methodologies, findings, and recommendations.
  Maintain accurate documentation of all modelling activities for internal and external audits.
• Coordination and Collaboration
  Collaborate with mine planners, geologists, mining engineers, and safety teams to integrate geotechnical findings into mining plans.
  Liaise with regulatory bodies and external consultants as required.
• Continuous Improvement
  Stay updated with the latest developments in geotechnical modelling techniques and software.
  Implement best practices and innovative solutions to improve modelling accuracy and efficiency.

• Leadership & Supervision
  Lead and oversee all geotechnical engineering activities within the mining area.
  Supervise junior engineers and contractors to ensure quality and safety compliance.
• Slope Stability & Geotechnical Analysis
  Conduct detailed slope stability assessments and design of highwalls, benches, and other mining slopes.
  Perform geotechnical modeling and analysis using relevant software tools.
• Risk Management & Mitigation
  Identify geotechnical hazards such as rock falls, slope failures, and ground movements.
  Develop and implement mitigation strategies to manage and minimize risks in accordance with mining safety regulations.
• Technical Compliance & Reporting
  Ensure all geotechnical activities comply with company standards and government mining regulations.
  Prepare comprehensive technical reports and documentation to support operational and safety decisions.
• Coordination & Collaboration
  Work closely with mine planning, operations, safety (SHE), and environmental teams.
  Liaise with external consultants, vendors, and regulatory bodies as needed.

• Perform Geotechnical analysis , such as : Settelement and Consolidation, Stability analysis, Foundation analysis
• Use geotechnical software Deltarest to conduct numerical analysis and design of geotechnical structures.

• Prepare and supervise geotechnical surveys, including soil sampling and field tests such as Cone Penetration Test (CPT), Standard Penetration Test (SPT), and laboratory tests.
• Interpret survey data to determine soil parameters needed for geotechnical design.

• Develop technical recommendations for geotechnical issue
• Create innovative solutions for complex geotechnical challenges such as liquefaction mitigation and ground settlement.

• Prepare geotechnical design reports including analysis, calculations, and technical recommendations.
• Prepare technical documentation for tender submissions and permits, ensuring compliance with applicable standards and regulations.

• Work closely with civil, structural, and environmental engineers to ensure integration of geotechnical design into overall project plans.
• Coordinate with clients, contractors, and other stakeholders to ensure effective and efficient implementation of designs.

• Conduct geotechnical investigations to assess soil and rock conditions in the mining area.
• Use geotechnical software to model slope stability and foundation designs.

• Perform stability analysis of open-pit mine slopes and dumps to identify potential landslide risks.
• Develop technical recommendations for geotechnical risk mitigation, such as ground support design and drainage systems.

• Monitor soil movement and slope conditions regularly using geotechnical instruments.
• Conduct field inspections to ensure implementation of geotechnical recommendations and compliance with safety standards.

• Prepare geotechnical reports including investigation results, analyses, and technical recommendations.
• Document findings and mitigation actions for reference and internal audits.

• TSF Design & Engineering
  Lead the engineering design and planning of TSF construction in line with geotechnical and environmental standards.
  Review and approve detailed engineering drawings, technical specifications, and method statements for TSF development.
  Ensure that design meets long-term stability, capacity, and closure requirements.
• Construction Oversight & Quality Control
  Supervise TSF construction activities including embankment raising, drainage systems, liner installation, and decant structures.
  Oversee QA/QC activities such as compaction testing, permeability testing, DCP, sand cone, and material conformance.
  Coordinate material placement planning in collaboration with the mining operations team.
• Monitoring & Instrumentation
  Develop and implement instrumentation programs (e.g., VWP, RTS, Inclinometers, Standpipes, Acceleometer and seismometers, Piezometers, AMD monitoring).
  Analyze monitoring data regularly to identify trends, risks, or potential failure indicators.
  Report findings to relevant stakeholders and initiate corrective actions where necessary.
• Compliance & Risk Management
  Ensure TSF operations comply with national regulations (e.g., ESDM), international standards (e.g., ANCOLD, ICMM), and company-specific SOPs.
  Conduct risk assessments for stability, seepage, and environmental hazards.
  Prepare and maintain dam safety documentation and emergency response plans (ERP).
• Stakeholder Coordination
  Act as the primary point of contact for consultants, contractors, and regulatory bodies related to TSF matters.
  Liaise with environmental, geotechnical, and operations teams to ensure cohesive execution of TSF-related activities.
• Budgeting & Reporting
  Prepare and manage capital (Capex) and operational (Opex) budgets related to TSF construction and maintenance.
  Provide regular reports on TSF status, instrumentation readings, project progress, and budget utilization to senior management.
• Team Leadership & Development
  Lead and mentor a team of TSF engineers, surveyors, and QC personnel.
  Promote a culture of safety, technical excellence, and continuous improvement.