Koby Rubens Email & Phone Number

Alaska, United States

Botswana

• Frontline Jumbo Operator & Trainer– Sandvik DD421• Training and mentoring local employees• Safely bolt, mesh and bore multiple headings per shift • Decline, incline, and level development • Installing ground support as per standard and requirements • Competently communicate & liaise with charge up operators, engineering & maintenance personnel • Keep accurate records of activities in accordance with established standards • Monitor machinery condition, addressing hazards requiring attention and reporting concerns early • Providing guidance, training, support to Jumbo Offsider to maximise production

Rosebery Apr 2021 – Apr 2022 Edna May Dec 2020 – Apr 2021 Costerfield Gold – Sep 2018 – Dec 2020

• Frontline Jumbo Operator – Sandvik DD421• Operate boom to scale face, sample holes to specifications and plans• Bolt, mesh and bore multiple headings per shift• Meeting and exceeding targets in a safe and efficient manner• Frontline decline development • Install ground support as instructed• Read and interpret mining instructions• Keep accurate records of activities in prescribed manner• Direct and coordinate nipper to maximise production in a safe and efficient manner• Interpreting ground conditions and install additional support as required• Carry out day to day duties ensuring drive widths are well maintained. • Assist with other duties as requested• Training and mentoring new crew members to enable them to become confident and competent in all areas of mining, specifically Jumbo operation

Woods Point, Victoria, Australia

• Dual role shift boss/front line Jumbo Operator – Sandvik DD420 and Atlas 282• Attend and conduct toolbox meetings and other daily meetings• Take the lead on explosiveness awareness, tagging procedures, JSAs and fatigue management

Roxby Downs, South Australia, Australia

• Jumbo Operator - Atlas M2d/M2c• Safely and efficiently operation Jumbo for development drilling• Bolt and bore excavation pattern• Carry out day to day duties ensuring drive widths are well maintained. • Assist with other duties as requested• Operate boom to scale face, sample holes to specifications and plans• Assist with preventative maintenance through scheduled inspections, servicing, adjustments, troubleshooting and organising the timely repair of operating equipment

Costerfield, Victoria, Australia

• Bogger Operator• Bog development headings and stockpiles to trucks• Keep trucks operating at full efficiency ensuring all ore, low grade, marginal and waste are kept separate• Bog out and clean faces• Remote bog from open stopes using Tele-Remotes• Follow and interpret mine plan instructions, profiles designs and ground support patterns• Operating Sandvik loaders• Bog development headings and stockpiles to trucks or designated areas as directed by your UG Shift Supervisor• Report all maintenance and operational issues to your UG Shift Supervisor• Charge up• Maintain knowledge of and commitment to all task instructions and procedures, assisting colleagues to do the same and seeking advice and support of the Shift Boss as required;• Achieve production targets through the application of explosive blasting services targeting ore in the desired form for bogging, with safety and efficiency• Support the efficient operation of the underground mining systems and processes by providing reliable and accurate operational knowledge to minimise down time;• Working in a safe manner to achieve the production goals of the mine;• Assisting with preventative maintenance through scheduled inspections, servicing, adjustments, troubleshooting and organising the timely repair of operating equipment; and,• Actioning all allocated tasks in accordance with current site environmental policies • Undertaking audits and ensuring compliance with the sites explosive management plan and external statutory requirements relating to explosives management and use

Rosebery, Tasmania, Australia

• Service Crew• Charge Up/Bogger operator• Jumbo Operator

Renison Bell, Tasmania, Australia

• Production/Development Charge up crew• Bogger Operator• Employee Safety Representative• Rehab jumbo operator• Development jumbo operator