Muhammad Arief

As Hydrology Engineer at Geotechnic and Hydrology Department Job Desc : - Identifying hydrological hazards (Hydrological Hazard Mapping) that may impact mining operations. - Collecting and acquiring hydrological data (rainfall, runoff discharge, and water elevation) as a basis for hydrology analysis. - Designing drainage and dewatering systems (pumps & sumps) for PITs, disposal areas, and water containment zones with an annual planning horizon. - Analyzing the impact of Face Position (FP) design on weekly and monthly mine plans based on current hydrological conditions. - Developing technical assessments for Water Monitoring Point (WMP) designs integrated with the Life of Mine (LOM) plans for PITs and disposal areas. - Communicating hydrology and hydrogeology-related risks with relevant departments such as Mineplan Dept, Operations Dept, Environment Dept, and Safety Depr to coordinate integrated mitigation strategies. - Reviewing drainage, sump, and pump (dewatering system) designs in response to any changes in PIT and disposal mine plans - Conducting routine inspections of mine drainage systems with technical and environmental teams, both in operational and surrounding non-operational areas, to prevent runoff impacts. - Performing water balance calculations for technical planning in post-mining or void areas. - Developing hydrology dashboards (water management system) as a technical reference for management decision-making.

As Hydrology Engineer at Geotechnic and Hydrology Department Job Desc : - Identifying hydrological hazards (Hydrological Hazard Mapping) that may impact mining operations. - Collecting and acquiring hydrological data (rainfall, runoff discharge, and water elevation) as a basis for hydrology analysis. - Designing drainage and dewatering systems (pumps & sumps) for PITs, disposal areas, and water containment zones with an annual planning horizon. - Analyzing the impact of Face Position (FP) design on weekly and monthly mine plans based on current hydrological conditions. - Developing technical assessments for Water Monitoring Point (WMP) designs integrated with the Life of Mine (LOM) plans for PITs and disposal areas. - Communicating hydrology and hydrogeology-related risks with relevant departments such as Mineplan Dept, Operations Dept, Environment Dept, and Safety Depr to coordinate integrated mitigation strategies. - Reviewing drainage, sump, and pump (dewatering system) designs in response to any changes in PIT and disposal mine plans - Conducting routine inspections of mine drainage systems with technical and environmental teams, both in operational and surrounding non-operational areas, to prevent runoff impacts. - Performing water balance calculations for technical planning in post-mining or void areas. - Developing hydrology dashboards (water management system) as a technical reference for management decision-making.

As Hydrology Engineer at Geotechnic and Hydrology Department, PT. Berau Coal Job Desc : Identifying and solving hydrology and hydrogeology problems that impact mining operation. Managing surface drainage, calculating the rainfall rate prediction and rainfall absorption area. Creating drainage design and pumping system in PIT and Sump. Updating rainfall absorption area in PIT periodically. Communicating hydrology problem with mining planning, OPS and environment Department. Producing hydrology issues report periodically.

As Consultant Individu at Direktorat Jenderal Sumber Daya Air, Balai Besar Wilayah Sungai Bengawan Solo. Job Desc : Supervising and monitoring the work of contractor and supervision consultant. Inspecting contractor and supervision consultant daily, weekly and monthly work report. Creating weekly field work progress report to be evaluated with technicians and directors. Creating budget plan for project for new budget year. River and coastal mapping for PPK Sungai dan Pantai III administrative area using drone. Conducting inventory of asset of PPK Sungai dan Pantai III by taking the drone documentation.

Ogan III Construction Project, Sumatera Selatan Job Desc : Conducting hydrology and climatology data analysis at weather station in construction area. Conducting feasibility analysis of weather station and also analyzing and calculating hydrology data. Creating 1D model/animation of flood discharge and river sedimentation in work area using HEC-RAS Creating 2D flood modeling using Digital Elevation Modeling (DEM) data with RAS-mapper. Producing hydrology planning final report.

Doing a user review Keeping contact with the user after settling the agreement Connecting with another college ambassador

As Engineering Division at Bendo Dam Construction (PT. Wijaya Karya – PT. Hutama Karya – PT. Nindya Karya (KSO)) Job Desc : Studying project model for implementation. Calculating pile work volume on main dam. Taking weekly drone documentation. Produce monthly work report. Conducting quality control in filed or Laboratory.

Study Program : D4 Irrigation Planning and Lowland Engineering Final Project : Analysis of Bt. Luruih Flood Diversion in the Government Office Area of Air Pacah, Koto Tangah, Padang City. Focused on flood management and water infrastructure.