Jackie Koglkia
Charters Towers
Summary
Highly experienced mining professional with close to twenty years’ within open cut and underground metalliferous mines within Australia and Papua New Guinea. Mining Engineer degree and PNG Metalliferous Mine Managers Ticket. Experienced project superintendent/manager – technically and operationally. Exposure to managing operational teams as well as technical teams. Experienced in projects – scoping, planning and execution including bulk earthworks – as well as daily operation/coordination of projects – tracking/ measuring/reporting and adjusting/mitigating to ensure projects reach targeted milestone and delivering results. Experienced development superintendent – ensuring adequate UG development consumables in stock, ensuring adequate manning to deliver planned (weekly, monthly, yearly) targets are met. Contribute to preparing practically achievable targets are set on the weekly and 3 monthly plans. Experienced mine production/planning engineer.
Overview
27
27
years of professional experience
1
1
Certification
Work History
Senior Strategic UG Mine Planning Engineer
OK Tedi Australia Limited
Brisbane, QLD, Australia
04.2026 - Current
- OK Tedi Underground Mine concept planning – Taking OK Tedi LOM from 2050 to 2084
- Monday to Friday
OC/UG Project Lead Engineer
OK Tedi Mining Limited
Papua New Guinea
04.2024 - Current
- Ok Tedi Open Pit mine is a 110-120Mtpa mine with 25M ore tpa at an average grade of 0.5% Cu. Current mine plan sees 2050 closure at an average copper grade of 0.40-0.45% Cu. The mine is equipped with a 3.2km drainage drive as well as a series of thru flow pumps for dewatering in this country of rains that average 30mm/day.
- Interacting with the OC technical planning team, and working with UG operations team
- Drainage system re-establishment – OC via raise bore drain hole into UG drainage drive
- UG Dewatering system setup – new pump station and piping installation
- Interaction with Exploration -
- Developing concept development drives for drilling platforms for exploration
- Developing concept access for new mining zones accessible via underground with suitable mining methods.
- FiFO 26days on 17 days off
Appointed Registered Mine Manager – Interim Mining Manager/Interim Underground Manager
Barrick Niugini Limited (BNL) Porgera Gold Mine
Papua New Guinea
03.2020 - 06.2023
- Oversee mining department (open pit and underground operations as well as mining technical services) care and maintenance activities while Barrick Niugini Limited discussing SML issues with PNG Government
- Achievements during Porgera C&M: - 24th March 2020 – June 2023 Open Pit
- Successfully constructed rock-causeway – segregate west wall slip mud from UG drainage raise bores
- As part of the causeway construction, established dual access into the pit bottom, hence making it safe to access, - away from failing high wall.
- Erected used tromels as 1m diameter raise bore strainers, and 4x4x12m grizzly as decant tower to protect 4x4 drainage rise that link into UG drain drive.
- Establish East Ramp during care and maintenance - as pre work to restart the mine – this ramp saves about 5km of haulage route for ore to Primary crusher.
- Initiated discussion on alternate PC access after SECB failure – Birth of Tawi bypass concept – now included in the budget for 2024
- Underground
- NZ1813 primary pump station reinstalled and commissioned during C&M
- NZ1813 pumps main drain line#1 damage (during normal operation) repaired – 2m up the 1m dia rise hole
- NZ1920 primary pumps – replaced 2x6/4 warmen pumps
- Run 500m of 225mm diameter poly from NZ2040 to YR2040 drain drive via vent rise & thru vent wall.
- March 2020 (FIFO 28 days on, 14 days off QLD - PNG)
Mine Technical Services Superintendent – Surface Projects
Barrick Niugini Limited (BNL) Porgera Gold Mine
Papua New Guinea
07.2017 - 02.2020
- Collate data/information by consulting with all stakeholders to write up or develop projects charters, develop concepts/options, prepare project execution plans -
- Project schedules and financial estimates.
- Focus on having approved designs, schedules, execution plans and necessary documentation in place following necessary/approved processes – involving all stakeholders, assigning responsibilities and ensuring accountabilities on delivery to targets/and or mile stone.
- Achievements:
- Stage 5C Security Fence Relocation, including pilot road thru over grown tropical forest and bulk earthworks and – Achieved completion well under allocated funds (in 2 separate budget periods – 2017 $ 2018) - costed US1.5M from allocated funds of US$1.8M
- OP Dewatering - organised purchase of Eddy pump (spent over US$1M). The system was setup to pump both water and slurry (up to 25% solids) out of the bottom pit ( until it got drowned)
- Surface Water management – SP68 Drain diversion – identified, designed and managed bulk earthworks and construction of a diversion drain to access ore stockpile within scheduled time and cost (US$147k)
- December 2010 – March 2020 (FIFO 16 days on, 12 days off QLD - PNG)
Mine Technical Services Superintendent – Projects (OP/UG)
Barrick Niugini Limited (BNL) Porgera Gold Mine
Papua New Guinea
07.2016 - 06.2017
- Involve on the management of Yarik Sink Hole mitigation works which blocked off the Porgera Underground drainage tunnel – Emergency works – bulk earthworks include side cast of massive colluvium top soil.
- Involvement in the management of Yarik Bypass tunnel – 1st stage of UG Drainage tunnel management strategy
- Organised installation of open Pit Haul truck scanner as part of Mine to Mill ore reconciliation strategy
- Designed and managed setup of emergency/alternate dewatering systems for the underground mine after inundation.
UG Development Superintendent
Barrick Niugini Limited (BNL) Porgera Gold Mine
Papua New Guinea
07.2014 - 07.2016
- Management of the underground crew - Foreman, Supervisors, crew leaders and the workforce – with emphasis on delivering ounces safely. Safety of the workforce being the daily focus.
- Directly involve in the development of 13 weekly plans for both development and production.
- Drive/Manage operations to achieve weekly/monthly/13weekly targets for physicals as well as environment and safety targets.
- Directly involved in the long-term planning of the mine – ensuring it is operationally practical/achievable and is in line with the management focus
- Manage/involve-in capital infrastructure project and project execution
- Work with UG Manager on Budget process
- Achievements:
- Directly involved in the increase in development meters from an average of 430m/month in 2013 to over 600m/month in 2016.
- Facilitate a culture change in operational management of the underground mine – the ug supervisors take ownership of the weekly/monthly mining/development plans and strive to deliver on the plan. Execution plan moto that greatly contributed to the change: if it was not in the plan it was not done.
Senior Underground Mine Engineer
Barrick Niugini Limited (BNL) Porgera Gold Mine
Papua New Guinea
12.2010 - 06.2014
- Core responsibly has been the supervision/mentoring of underground mine production and underground mine engineering team - surveyors, drill and blast engineers, ventilation engineers and ug graduate engineers
- Supervise and mentor a team of 16 UG mining engineers and 5 UG surveyors – who are on 21/14 roster coverage
- Produce and supervise timely delivery of 3 monthly ug production schedule in accordance with the yearly budget targets
- Monitor operations performance against schedule, produce monthly variance reports and follow-up of action/corrective
- Supervise weekly production plan in line with the 3-monthly plan
- Supervise timely delivery of production drilling and blasting plans
- Review and comment on long term designs and concept designs produced by long term planning engineer
- Manage capital projects – co-ordinate/supervise design and construction of underground projects for life of mine infrastructure
- Achievements:
- Continuous improvement - Introduced org chart change to include a medium term planning team – convinced management that it is an integral part of the business and created a medium term planning team, which then expended into a dedicated ug planning section on its own with long term planner included.
- Reason for leaving NQM: Career progression/development.
- Resigned from NQM to take up a Senior UG Production Engineer role in Porgera Gold Mine.
- Pajingo Gold is an underground mine with satellite pits and was producing about 550-600ktpa at 4g/t(?) Au.
Underground Mine Engineer – Pajingo Gold Mine
North Queensland Metals (NQM)
Charters Towers, Australia
10.2008 - 11.2010
- Mine design to safety standards of NQM requirements, New ore body access/design and extraction/mining concepts
- Remnant ore access and extraction projects
- Delineation/definition drilling proposal (work along side geologist). –
- Design software - Vulcan
- Involve in the development of Yearly (Budget) to Monthly scheduling on Earthworks Production Scheduler (EPS)
- Mine design - production stopes (determining/trials of different drilling and blasting parameters) in Narrow Vein (ore widths as small as 300mm to 1500mm) Mining
- Discuses mine planning issues with Operations Coordinator and Geologist
- Assist in weekly and monthly production reporting
- Mentor junior mining engineer at the Pajingo.
- Reason for leaving Perilya: 2008 GFC and Industry Exposure
- Opted to resign and take up redundancy package after the 2008 Global financial Crisis hit on the Zinc price. Had a job offer at the same time and moved to Pajingo Gold mine – to get exposure in a different type of deposit.
Relief Senior Underground Mining Engineer, Northern Operations
Perilya Pty Ltd
Broken Hill, NSW, Australia
05.2008 - 09.2008
- Mine design to safety standards of Perilya Broken Hill requirements – Design ventilation system, escape way route, Development design, Services holes design, Stope design using geology model, - Design software - Vulcan
- Develop and manage Medium term scheduling – monthly to 3 monthly mining schedules, 6 monthly reforecasts, and 12 monthly forecasts for budgeting purposes. – schedule software – MineWorks Planner (learning to use Mine 24D)
- Strive to improve stope tonnage and grade – reviewed mined out stopes for opportunity to improve design stope tonnage. Review geology interpretation and diamond drilling against issued geology block models to improve stope tonnes. Review and redefine existing stope shapes against reissued block models. Review and redefine existing stope shapes to improve design stope grades.
- Discuses mine planning issues with Operations Superintendent and Geologist
- Liaise with operations coordinator on an ongoing basis for issues concerning safety, issues concerning scheduling and achieving production targets
- Mange contractors on special projects (had assisted Senior Mining Engineer)
- Mange special projects (had assisted Senior Mining Engineer)
- Assist in weekly and monthly production reporting
- Mentor graduate mining engineer at the Northern Operation
Underground Mine Planning Engineer – Northern Operations
Perilya Pty Ltd
Broken Hill, NSW, Australia
04.2007 - 05.2008
- Mine design to safety standards of Perilya Broken Hill requirements – Design ventilation system, escape way route, Development design, Services holes design, Stope design using geology model, - software used: Vulcan
- Develop and manage Medium term scheduling – monthly to 3 monthly mining schedules, 6 monthly reforecasts, and 12 monthly forecasts for budgeting purposes. Learnt and used MineWorks Planner.
- Strive to improve stope tonnage and grade – reviewed mined out stopes for opportunity to improve design stope tonnage. Review geology interpretation and diamond drilling against issued geology block models to improve stope tonnes. Review and redefine existing stope shapes against reissued block models. Review and redefine existing stope shapes to improve design stope grades.
- Discuses mine planning issues with Operations Superintendent and Geologist
- Liaise with operations coordinator on an ongoing basis for issues concerning safety, issues concerning scheduling and achieving production targets
- Assist in weekly and monthly production reporting
- Mentor graduate mining engineer at the Northern Operation
Underground Drill and Blast Engineer, North Broken Hill
Perilya Pty Ltd
Broken Hill, NSW, Australia
08.2006 - 03.2007
- Manage Production statistics and report daily, weekly and monthly to respective stakeholders
- Drill and blast designs
- Stope Designs
- Short term Development designs
- Discuses mine planning issues with Operations Superintendent and Geologist
- Reason for leaving PJV Placer Dome: Career Development - Oversees
- Had an opportunity to take a job in Australia in 2006 and permanently migrated.
Relief Underground Mine Planning Engineer
Porgera Joint Venture, Placer Dome
Papua New Guinea
02.1999 - 09.2000
- Underground Production Engineer
- Underground Drill and Blast Engineer
- Open Pit Drill and Blast Engineer
- Graduate Mining Engineer
Education
Bachelor of Engineering - Mining Engineering
The Papua New Guinea University of Technology
Papua New Guinea01-1999
Skills
- Mining Software: Deswik (introduction/learning) – UG and surface designs; Vulcan/MineSight - UG designs; AutoCad – Drafting; MineWorks Planner – Mine Scheduling; 2D Bench – Surface mine blast simulation; VentSim – UG ventilation simulation; MS Office/Project
Accomplishments
- 26/04 – current – OK Tedi Business Strategic Planning Engineer
- 25/09 – 26/04 – OK Tedi Mining sponsored International Caving Engineering Diploma (Incomplete - University of Chile & University of Columbia)
- 2024/03 – Job opportunity as OC/UG Interface Project Lead – Ok Tedi Mine
- 2020/03 – 24th March- Appointed Registered Mine Manager – Interim Mining Manager/Interim Underground Manager – Due CoViD19 expat repatriation and into Care and Maintenance period of Porgera Gold Mine
- 2017/03 - Obtained PNG Metalliferous Mine Managers Ticket
- 2016/07 – Opportunity - Mine Technical Service - Site Project Superintendent
- 2014/07 – Offered Operational Superintendent – Porgera UG Development
- 2006/05 - Job Opportunity in Australia
- 1999/02 - 1st Job as Graduate Mining Engineer
Affiliations
Member – Australian Institute of Mining and Metallurgy
Certification
- Introduction to Deswik
- Introduction to M24D – mine design and scheduling (integrated) software
- TAFE NSW Course # 7791 - Metalliferous Mining (Underground) - Shotfiring
- HART High Angle Rescue Technique (Aviation Rescue) - Member of PJV Aviation Rescue Team – 2005/2006
- Underground Mine Rescue (Resuscitation included) – Member of PJV Underground Mine Rescue Team – 2005/2006
- Senior First Aid
- Behaviour Based Safety
- 100 Plus Club; 100 hours of training on drill and blast with Dave McMahon
- The NONEL System, Dyno Explosives
- Holding to Account: Linchpin for High Performance
- Project Management – PMIÁ
- Project Planning using MS Project 2000
Timeline
Senior Strategic UG Mine Planning Engineer
OK Tedi Australia Limited
04.2026 - Current
OC/UG Project Lead Engineer
OK Tedi Mining Limited
04.2024 - Current
Appointed Registered Mine Manager – Interim Mining Manager/Interim Underground Manager
Barrick Niugini Limited (BNL) Porgera Gold Mine
03.2020 - 06.2023
Mine Technical Services Superintendent – Surface Projects
Barrick Niugini Limited (BNL) Porgera Gold Mine
07.2017 - 02.2020
Mine Technical Services Superintendent – Projects (OP/UG)
Barrick Niugini Limited (BNL) Porgera Gold Mine
07.2016 - 06.2017
UG Development Superintendent
Barrick Niugini Limited (BNL) Porgera Gold Mine
07.2014 - 07.2016
Senior Underground Mine Engineer
Barrick Niugini Limited (BNL) Porgera Gold Mine
12.2010 - 06.2014
Underground Mine Engineer – Pajingo Gold Mine
North Queensland Metals (NQM)
10.2008 - 11.2010
Relief Senior Underground Mining Engineer, Northern Operations
Perilya Pty Ltd
05.2008 - 09.2008
Underground Mine Planning Engineer – Northern Operations
Perilya Pty Ltd
04.2007 - 05.2008
Underground Drill and Blast Engineer, North Broken Hill
Perilya Pty Ltd
08.2006 - 03.2007
Relief Underground Mine Planning Engineer
Porgera Joint Venture, Placer Dome
02.1999 - 09.2000
Bachelor of Engineering - Mining Engineering
The Papua New Guinea University of Technology