Greg Koloa
Liberton,Dunedin
Summary
I am currently employed as a Mine Engineer with OceanaGold, Macraes Operation, in New Zealand, with over ten (10) years of experience dealing with copper, gold, and silver mines, as well as quarries, engineered waste dumps, and tailings dam projects.
In my current role as a Mine Engineer, I am responsible for producing operational designs from LOM designs and producing 3-monthly production plans that align with budget and forecast plans.
I also have strong drill and blast engineering experience, as my previous role was Senior Drill and Blast Engineer, responsible for reviewing and approving all drill and blast designs, setting up D&B processes/SWPs, and implementing improvement projects.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Mine Engineer
OceanaGold
, New Zealand
01.2023 - Current
- Produce Operational Designs from LOM designs.
- Dump, Stockpile and Project Designs
- Monthly to Three Monthly drill and blast and production planning
- Develop bench sequencing to guide production engineers.
- Monthly to Three Monthly production performance tracking
- Assist Senior Mine Engineer review, update and develop SWP's.
- Train and mentor other engineers with design, scheduling and drill and blast.
Senior Drill and Blast Engineer
Ok Tedi Mining Limited
06.2021 - 12.2022
- Lead Drill and Blast Improvement Projects
- Develop Drill and Blast Budget and Forecast
- Review and approve Drill and Blast designs.
- Develop SWP's and Risk Assessment for High Risk Blasting activities.
- Oversee weekly drill and blast plans and schedules.
- Oversee and review weekly and monthly drill and blast performance.
- Review QAQC reports and drive improvement ideas.
- Review bench development sequence and provide feedback to production planning engineers.
Drill and Blast Engineer
Ok Tedi Mining Limited
08.2018 - 05.2021
- Assist Senior Drill and Blast Engineer with Improvement Projects
- Develop Drill and Blast Budget and Forecast.
- Drill and Blast designs (production, trim, projects, high risk)
- Develop SWP's and Risk Assessment for High Risk Blasting activities.
- Daily and weekly drill and blast planning/scheduling
- Weekly and monthly drill and blast performance reporting
- Produce drill and blast QAQC reports.
- Generate blast masters for bench development sequencing.
Production Engineer
Harmony Gold
08.2017 - 07.2018
- Short term production designs
- Daily, weekly, and monthly production planning/scheduling
- Production performance reporting
- Bench development sequencing
- Engineered waste dump interim designs and development sequencing.
- Liaising with Tailings Facilities Engineers on tailings dam construction requirement
Drill and Blast Engineer
Ok Tedi Mining Limited
12.2016 - 07.2017
- Drill and Blast designs (production, trim, projects, high risk)
- Develop SWP's and Risk Assessment for High Risk Blasting activities.
- Daily and weekly drill and blast planning
- Weekly and monthly drill and blast performance reporting
- Produce drill and blast QAQC reports.
- Generate blast masters for bench development sequencing.
Graduate Mine Engineer
Ok Tedi Mining Limited
02.2014 - 11.2016
- Short Term production designs, planning and scheduling.
- Drill and blast designs, planning and scheduling.
- Medium Term Project Designs
- Geotechnical monitoring, mapping and daily reporting
- Drill and Blast Operations (drilling, QAQC and loading)
- Production Operations (Load, Haul and Dump)
Education
Bachelor of Engineering - Mining Engineering
Papua New Guinea University of Technology
Papua New Guinea04-2014
Skills
- Operational design
- Drill and blast planning
- Risk assessment
- Budget forecasting
- Engineering design
- Effective communication
- Problem solving
- Team leadership
- Training and mentoring
- Project management
- Production scheduling
- Health and safety regulations
- Mine planning software
- Time management
- Organizational skills
Certification
- Graduate Development Training Certificate, Ok Tedi Mining Limited, 2014
- Advanced Wall Control Blasting, Blasting Geomechanics PTY LTD, 2019
- Xact Scheduling, RPM Global, 2019
- Supervisor Training, Ok Tedi Mining Limited, 2019
References
To be provided upon request
Personal Qualifications
Bachelor of Engineering in Mining Engineering - Degree with Merit, Papua New Guinea University of Technology, 2014
Timeline
Mine Engineer
OceanaGold
01.2023 - Current
Senior Drill and Blast Engineer
Ok Tedi Mining Limited
06.2021 - 12.2022
Drill and Blast Engineer
Ok Tedi Mining Limited
08.2018 - 05.2021
Production Engineer
Harmony Gold
08.2017 - 07.2018
Drill and Blast Engineer
Ok Tedi Mining Limited
12.2016 - 07.2017
Graduate Mine Engineer
Ok Tedi Mining Limited
02.2014 - 11.2016
Bachelor of Engineering - Mining Engineering
Papua New Guinea University of Technology
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