Project & Location : Operational Planning and Geotechnical, Long Term Mine Plan & Sorowako Project Exploration, Ore Reconciliation & Mapping Section, PT Vale Indonesia, Tbk.Role & Responsibilities :1. Responsible to make reconciliation between block model and actual production;2. Make calculate ore exposed, gain loss ore, ore thickness at block model and actual, and calculate actual overburden thicknes; 3. Verify production reports based on the dispatch monitoring system and block model limits;4. Carry out the geological and reconciliation projects, make reconciliatio study and analysis related to geological problems founds during the mining activity;5. Monitoring and validation of reconciliation survey measurements;6. Update ore exposed and mineout area based on the measurement of exposed ore and mining activities;7. Conducted sampler development programs and coordinated training for mine operation and quality assurance;8. Make recommendations and improvements to achieve the target and make more effective and efficient in daily operation;9. Ensure smooth communication and interaction within technical and operation team to assist in the planning and design to ensure goals are achieved.“Sawerigading Utama is one of leading contractor and manpower supplier Secondhand of PT Vale Indonesia, Tbk.

Project & Location : Mine Operation & Support, Sambarata Mine Operation (SMO), PT Berau Coal, Berau, East Kalimantan, Indonesia.Role & Responsibilities :1. Monitoring daily and weekly plan created by contractors;2. Responsible to control of coal getting, OB removal, PIT services, dewatering and hendling environment, geotechnical and hydrology issue, ensuring the work safely performed which is meet standard and procedures;3. Controlling and maintaining the quantity and quality of coal during the process of coal getting (cleaning, digging, loading, hauling and dumping area to the ROM temporary and CPP);4. ROM management system, organize coal hauling and stockpile activity implement with SOP and safety procedure;5. Make recommendations for improvements to achieve the target and make more effective and efficient in daily operation;6. Ensure smooth communication and interaction within technical and operation team to assist in the planning and design to ensure goals are achieved;7. Safety operation management by verifying that weekly and monthly safety audits are performed (work cards, inspections, safety meetings, etc.) and accurate reporting and investigation of accidents and incidents.

Project & Location : Geology & Exploration Departemen, PT Berau Coal, Berau, East Kalimantan, Indonesia.Role & Responsibilities :1. Supervise geology operation and drilling activity e.g exploration drilling plan, core description, geological sampling, production sampling, geotechnical sampling, NAG sampling, and geophysical logging with JORC method;2. Manage drilling contractors, reporting daily and weekly database of drilling activity and operation support;3. Make correlation and evaluation geology from drilling activity;4. Conducting surveys and interpreting geological data in order to inform drilling and production procedures to assist in planning further work or modification of the current drilling program;5. Ensure smooth communication and interaction within technical and operation team to assist in the planning to ensure goals are achieved;6. Safety exploration management by verifying that weekly and monthly safety audits are performed (work cards, inspections, saf iniety meetings, etc.) and accurate reporting and investigation of accidents and incidents.

Project & Location : Mura Site Project, Geotechnical and Construction Department, Oriental Group of Companies, Musirawas, South Sumatera, Indonesia.Mine Responsibilities :1. Analyze the geological and geotechnical condition of a certain place;2. Slope stability analysis, geotechnical investigation, assessment and monitoring on all of company facilities such as stockpile, dyke, bridge, road and dump;3. Supervise of the design implementation of geotechnical rules. Playing roles in many engineering consultancy services for infrastructures;4. Develop overall cost and budgeting for geotechnical and manage all geotechnical tools inventory and suggest whether new tools need to be budgeted or purchased to ensure all geotechnical activity can be performed continuously;5. Review and upgrade all JSA and SOP in geotechnical section so that all high risk activities are covered by a JSA or SOP.

Project & Location : Maba Site Project, Geology & Exploration Department, PT Adhita Nikkel, East Halmahera, Indonesia.Role & Responsibilities :1. Analyze the geological condition of a certain place and located the mineral deposits, mines, water resources, etc;2. Geological drilling and sampling for various stage of exploration, development and production;3. Collecting, analyzing, interpreting geology data from exploration drilling activities and sampling, make reports, maps, drawings, and aerial photographs to evaluate, plan and permit projects;4. Safety exploration management, manage drilling contractors, reporting daily and weekly database of drilling and Operation support.

Project & Location : Mine Engineering, Geotechnical & Hydrology Section, PT Vale Indonesia, Sorowako, South Sulawesi, Indonesia.Role & Responsibilities :1. Assist the geotechnical engineer for geotechnical site investigation and assessment on all of mine facilities such as screening station, mine face, PIT, disposal, dyke, mine road and slug dump;2. Assist the geotechnical engineer to conduct geotechnical assessment, field investigation, monitoring, back analysis and provide some recommendation.