Avi Krestanu

Experience

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  PT Titan Infra Energy

  May 2016 - Jul 2016

  Field Geologist (Practical Work Student Trainee)
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  JOB Pertamina - Talisman (Ogan Komering) Ltd.

  Dec 2016 - Feb 2017

  Practical Work (Student Trainee)
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  PT Sriwijaya Bangkit Energy | Create Sinergy Give Solution

  Feb 2018 - Aug 2018

  Geologist

  - As a Wellsite Geologist, describe the rocks resulting from the coring carried out when drilling coal.- Project Leader on determination of boundary point IUP - OP- Preparation of exploration and reclamation documents- Reporting and Monitoring for Water Acid Mine to material PAF & NAF. - Development and Monitoring Project Hydrogeology (Slug test, permeability test).- Carrying out Wellsite Geotechnical Drilling.

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  PT Bukit Makmur Mandiri Utama

  Sept 2018 - Apr 2025

  - Analysis, Calculation, Monitoring, Assesment and Recommendation Water Management in pit and out pit area. - Plan 11 Years Hydrology requirements (2025 - 2035) Water Balance pit, calculation drainage, pump requirement, sump to calculation critical area, sedimentation rate calculation from pit to settling pond area and cost calculation Capex HDPE pipe needed, Tawas needed, and mud handling benefit from utilitation polimer. - Prepare Development Mine Haul Road on Mining area plan 11 Years (2025 - 2035). - Plan Support Unit Requirements on grader, water truck, waterfill on plan 11 Years (2025 - 2035). - Monitoring Stage Plan Mud Handling on utilitation Polimer (turning mud into claystone) - Monitoring running pump, mitigation hydrology on Mining Area. - Monitoring construct access mine haul road (daily, weekly and monthly plan) - Improvement Mud Handling in sump and settling pond (Continous Improvement Hydrology, utilitation flocculant mudsol and polymer). - Improvement speed to Mine Haul Road from increament pty hauler. - Plan 11 Years (2025 - 2035) on recovery after rain and slippery by target to grader requirements.Achievement: - 1 Gold Medals achievement in Opexcon 2024 Show less - Continous Improvement Agents Leader BUMA Jobsite GEO AJE.- Development project definition, project charter, task force, project management office. -Delegate Competition Improvement on Operational Excellence.achievement: - More than USD 5M cost saving project in 2022. - More than USD 6.5M cost saving project in 2023. - 2 Gold Medal Achievement in Opexcon 2023. - 2 Silver Medal Achievement in Opexcon 2022 and 2023. - 4 Bronze Medal Achievement in Opexcon 2022 and 2023. Show less - Hydrology Analysis, Mine Dewatering and Drainage. - Assesment Hydrology to water balance in the pit (weekly, monthly and three monthly plan).- Analysis, review, recomendation, and implementation Catchment Area in the pit (Monthly and Yearly).- Create Plan Monthly, Three Monthly and Yearly Plan of pump requirements (Plan Dewatering).- Monitoring Performance Pump and Calculation Mitigation Drainage and Culvert Requirements.- Project Development Pit, infrastructure, construct settling pond- Development Mine Hauling Road to Standart Good Mining Practice.- Daily strategic plan, weekly plan to monitoring and assesment sequence pit and disposal- Coal Quality Control (QC Control) Daily, weekly, and monthly plan. - Inspection daily on Coal Quality in the pit and report coal quality to customer. - Supervise mining activity in the pit. - Monitoring mineplan sequence and production target compliance. - Monitoring mineplan compliance, loader compliance and joint survey - Report and planning activity in the pit (target daily overburden coal, and recovery after rain/slippery target). - Create Stage Plan and monitoring daily and weekly. - Create IBPR, Risk Register and Job Safety Analysis (JSA). - Leader on Recovery After Rain (Slippery Target) 2023.Achievements: - 2nd Winner Best of The Best employee (BOTB 2023) of BUMA Geo Aje. - 3rd Winner Forum of Continous Improvement & Suggestion System (FORCISS 2024) of BUMA Geo Aje. Show less

  • Engineer - Mine Plan

    May 2024 - Apr 2025

  • Team Leader

    Jan 2022 - May 2024

  • Supervisor Pit Engineer

    Oct 2019 - May 2024

  • BMDP Engineering

    Sept 2018 - Sept 2019
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  Dealls – Jobs, CV & Mentoring

  Aug 2024 - now

  Mentor (Part Time)

  - Mentor Development- Sharing Session- Mentoring Session- Coaching

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  PT. Cakrawala Putra Bersama member of MCI Group

  Apr 2025 - now

  Superintendent Technical Support