ANDY ABEIKU BENYARKU
Takoradi, Western Region
Summary
Ambitious Geotechnical engineer with practical experience in the mining industry. Demonstrated expertise with pit slope stability analyses, design implementation and variance monitoring, geological/geotechnical mapping, modelling and logging, and mine hydrogeology. Proficient in mine Geotech specialized software, slope monitoring, Geotech hazard management, near-pit hydrogeological management, open pit wall mapping and modelling, and Geotech core logging. Seeks to improve your productivity with skill, experience, commitment, integrity, honesty, accountability, and preparedness to learn.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Geotechnical Engineer
Cardinal Namdini Mining Limited
01.2025 - Current
- Regular planning and preparing geotechnical reports
- Setting up structures, systems and procedures for starting mine operations.
- Geotechnical mapping and structural modelling for stability analysis and mine design optimization against failure.
- Performing kinematic and numerical analysis of mapped structural data
- Identifying, defining and solving problems and risks that have the potential to impact the overall productivity of open pits
- Implementation of pit and ex-pit hydrogeological management measures.
- Conducting regular risk assessment in open pits, waste dump and ROMpad to prepare hazard reports and maps for slope failure mitigation measures.
- Perform other duties as required
Geotechnical Engineer
Asanko Gold Ghana Limited
11.2021 - 12.2024
- Performed comprehensive risk assessments to identify potential slope failures, implementing effective mitigation measures to protect personnel and equipment safety.
- Performed kinematic and numerical analysis and simulations of structural data for optimization against wall failure as mining progressed.
- Conducted field inspections and monitoring programs, ensuring compliance with industry standards and best practices in geotechnical engineering. Produced hazard maps and geotechnical reports from regular inspections at open pits, waste dumps and ROMpad.
- Assisted in preparing budgets and AFEs for contracts and operating costs of projects.
- Geotechnically mapped and modelled structures for stability analysis and mine design optimization against failure.
- Ensured compliance of mining to pit design; monitored and advised on variances.
- Developed procedures and action plans in the Trigger Action Response Plan, Slope Management Plan and Ground Control Management Plan for the mine.
- Performed rockmass classifications, density and rock strength tests.
- Monitored pit slopes with Slope Stability Radar (SSR-XT) - Trained and certified by GroundProbe Pty Ltd.
- Implemented hydrogeological actions to manage surface water channels, perimeter borehole drilling, depressurization holes and inpit sumps.
- Collaborated with the mining team to develop solutions in addressing complex geotechnical challenges identified as mining progressed.
- Mentored junior engineers on geotechnical best practices, fostering a culture of continuous learning and professional development within the team.
Slope Monitoring Engineer
Asanko Gold Ghana Limited
10.2020 - 07.2021
- Successfully monitored pit slopes with Slope Stability Radar (SSR-XT) with accurate prediction of wall slips which prevented damage to human lives and equipment.
- Installed, monitored and analyzed prisms on pit berms and Tailings Storage Facility (TSF) embankments as part of slope monitoring plan in Open Pit Ground Control Management.
- Mapped and modelled the geological structures identified on pits wall face for analysis on their effect on slope stability.
- Ensured accurate geotechnical/ hydrogeological concern input was adhered to in mining plans.
- Planned the location and supervised drilling of dewatering boreholes and weepholes.
- Performed regular bulk density sampling and point load strength tests of rocks
- Supervised and logged diamond core drilling
- Part of a team that undertook intensive core logging for mine pit investigative studies on three (3) pits.
Graduate Geotechnical Engineer
Asanko Gold Ghana Limited
09.2019 - 08.2020
- Collected hydrogeological data from dewatering boreholes, observation wells and weepholes.
- Inspected, installed, and monitored prisms on crests of open pit berms.
- Conducted density and rock strength tests as mining progressed.
- Supervised ore mining with Production Geologists.
- Supervised borehole and weephole drilling for pit hydrogeological management.
- Supervised Grade Control activities such as drilling and Sampling.
- Underwent daily inspections to identify new cracks and geological structures to be reported to the Geotech Engineer.
- Engaged in geological logging of diamond drilled core and RC chips.
Intern
Asante Gold Corporation
07.2018 - 09.2018
- Assisted in field mapping in two (2) greenfield areas to define new deposits.
- Logged and sampled diamond drilled core and RC chips for lab analysis and modelling.
Education
PgD - Mining Engineering
University of Mines And Technology
Tarkwa, Ghana01.2025
BSc. - Geological Engineering
Kwame Nkrumah University of Science And Technology
Kumasi, Ghana07.2019
General Science (WASSCE) -
Mfantsipim School
Cape Coast, Ghana05.2015
Skills
Technical skills: Geotechnical field investigations, Geological reports, Geological logging, Geological sampling, Open pit slope Stability Analysis (2D and3D), Geotechnical data collection, General technical reporting, Hydrogeological management
- Software skills: Proficient in Microsoft Office Suite, Surpac, GEM4D, Trajec3D, Rocscience (Dips, RS2 and Slide3), LeapfrogGeo, Datamine Sirovision and AutoDesk AutoCAD Basic knowledge in Datamine Studio RM
- Transferable skills: Effective communication, Safety conscious, Fast Learner, Problem-solving, Team player, Innovative, Reliability, Proactivity, Attention to detail and Leadership
Certification
- Water in Mine Operations and Slope Stability – University of Arizona
- Explosives Certificate of Competency – Minerals Commission of Ghana
- Advanced Diploma in Occupational Safety and Health Management – Imperial College of Mines and Safety
- Slope Stability radar training and certifications – GroundProbe
- Geotechnical slope analysis and modelling – Asanko Gold Ghana Limited
- First Aid at Work – St. John’s Ambulance Service
References
Abdul-Rahman, Agyeman, Senior Geotechnical Engineer, aragyeman@gmail.com, +233555168525, +233209199592, Glencore (DRC)
Affiliations
- Ghana Institution of Geoscientists (GhIG)
Languages
English
Bilingual or Proficient (C2)
Spanish
Beginner (A1)
Timeline
Geotechnical Engineer
Cardinal Namdini Mining Limited
01.2025 - Current
Geotechnical Engineer
Asanko Gold Ghana Limited
11.2021 - 12.2024
Slope Monitoring Engineer
Asanko Gold Ghana Limited
10.2020 - 07.2021
Graduate Geotechnical Engineer
Asanko Gold Ghana Limited
09.2019 - 08.2020
Intern
Asante Gold Corporation
07.2018 - 09.2018
PgD - Mining Engineering
University of Mines And Technology
BSc. - Geological Engineering
Kwame Nkrumah University of Science And Technology
General Science (WASSCE) -
Mfantsipim School
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