Coordinate and control operation for all mining activities at the Grasberg Block Cave (GBC) including lateral, vertical and mass excavation development.  Coordinate all mucking activities in the GBC.  Work with all departments such as Underground Safety, Maintenance, Electric Engineering, and Geology to ensure the activities are executed safely and the targets are achieved in compliance with company policies, procedures, goals, and objectives.

1. Conduct daily and weekly meetings to communicate company's safety, health, and environmental policies and procedures in order to promote subordinates awareness of safety and environmental issues, especially working in the Underground, which has a high-risk environment.

2. Coordinate and control operation activities to ensure the executions are safe and achieve the determined target.

3. Coordinate and control materials and equipment planning and preparation (liaise with material management group), before all activities are begun, to provide sufficient support for all planned activities (i.e. development activities and other projects within the underground expansion).

4. Coordinate with other divisions (e.g. Material Management, Central Service Engineering, Surface Mine, Security & Risk Management, Social Local Development, GTS, etc.) in order to support the continuity of production and achieve the targets.

5. Coordinate the preventive maintenance schedule and damages of all equipment in coordination with other department (i.e. Mine Maintenance) to better support the operation activities.

6. Prepare and submit daily report for all underground expansion operational activities.

7. Monitor and evaluate the work being done and comply with the quality standard of PT Freeport Indonesia.

8. Monitor and evaluate performance and potential capabilities of subordinates, to contribute the development of professional team.

9. Conduct daily field monitoring especially in critical/dangerous times and areas.  Liaise with the Safety department to identify and control the condition of manpower and environment, in order to ensure the crews work safely and in compliance with the determined plan.