Koray Önal Email and Phone Number
Koray Önal is a Deputy General Manager (Technical) at Nakkaş Madencilik A.Ş.. He possess expertise in mining, rock mechanics, geotechnical engineering, slope stability analysis, finite element analysis and 15 more skills. He is proficient in German and English.
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Deputy General Manager (Technical)Nakkaş Madencilik A.Ş.Ankara, Ankara, Tr
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Senior Manager, Mine Planning And OperationsYilmaden Holding Inc. Nov 2023 - PresentIstanbul, Türkiye -
Director, Mine PlanningAvesoro Jan 2023 - PresentAnkara, Turkey -
Chief Engineer, Mine Planning & Business DevelopmentKoza Gold Corporation (Koza Altın İşletmeleri A.Ş) Nov 2016 - Jan 2023Ankara, Turkey -
Senior Geotechnical EngineerKoza Altın İşletmeleri A.Ş. Apr 2010 - Sep 2017• Undertaking slope stability studies for operating mines and greenfield projects• Undertaking stability (support design) studies of underground openings for operating mines and greenfield projects• Preparing and updating the "Ground Control Management Plans" for both U/G and Open Pit Mines• Regular inspection of operating mine sites (U/G and Open Pit) owned by the company for geotechnical purposes• Investigation of greenfield projects for geotechnical purposes• Preparing geotechnical drill plans for greenfield projects and mines in operation• Geotechnical core logging• Coordination of site-specific rock mechanics testing programs -
Mine Planning Engineer (U/G And Open Pit)Demir Export A.S. 2007 - 2010• Preparing the technical infrastructure of the feasibility studies for projects and tenders by, preparing the geological reserve model, selecting the mining method to be applied, preparing support/slope designs, preparing mine designs, preparing the long term mine production plans, selecting the machinery park required to reach the production targets, determining the required labor force, estimating the mining cost.• Performing research of legal and technical issues necessary for the evaluation of the projects.• Fulfilling the legal responsibilities of the mining licenses owned by the company.• Starting and finalizing legal action during assignment of new fields.• Performing the necessary work together with operational management to calculate the progress payments in contracting works.• 11 Mining Project Feasibility/Pre-Feasibility studies were completed for the company since 2007.
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Geotechnical EngineerKoza Altın İşletmeleri A.Ş. 2005 - 2007• Regular inspection of underground openings,• Collection of data to provide input for underground mine support design and sequencing, analyzing and interpreting the collected data, making revisions on mine and support designs when necessary,• Carry out tests related with underground support to ensure that the support performance is adequate for design,• Inspection of all significant ground falls and reporting,• Regular inspection of open pit mine,• Collection of data to provide input for open pit mine design, analyzing and interpreting the collected data, making revisions on mine and slope designs when necessary,• Carry out tests related with open pit slopes to ensure the stability of pit slopes,• Geotechnical review and approval of the mine plans prepared by planning department, making changes on mine plans when necessary• Recording the historic rock performances in development/production (for both underground and open pit mines) and interpreting to support mine design and planning• Preparing the "Underground Ground Control Management Plan" and making regular review and update of the management plan • Carrying out and documenting the audit, review and quality assurance programs related to rock hazards• Regular inspection of underground ventilation, preparing and updating the ventilation designs• Collecting geotechnical data for the newly developed/developing projects, carry out tests according to the selected mining method and preparing support/slope designs and the ground control management plan -
Research Assistant, Rock MechanicsMiddle East Technical University 1998 - 2005Projects involved: • Turkish Coal Enterprises - Çan Coal Mine, Analysis and Design of Open Pit Slopes of Çan/B (2005) • Turkish Coal Enterprises, Support Design of a Tunnel Located in Eynez (2004) • Backfill Tests for Normandy Ovacık Gold Mine • Consulting for "Bitlis August 8 City Bypass Tunnel" for MEGA Engineering Company (2003) • Backfill Tests for Normandy Ovacık Gold Mine (2003) • Slope Stability Analysis of the Bandırma Etibor Borax Export Stockpile Site (2002)
Koray Önal Skills
Koray Önal Education Details
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Rock Mechanics -
Mining Engineering
Frequently Asked Questions about Koray Önal
What company does Koray Önal work for?
Koray Önal works for Nakkaş Madencilik A.ş.
What is Koray Önal's role at the current company?
Koray Önal's current role is Deputy General Manager (Technical).
What schools did Koray Önal attend?
Koray Önal attended Middle East Technical University, Middle East Technical University.
What skills is Koray Önal known for?
Koray Önal has skills like Mining, Rock Mechanics, Geotechnical Engineering, Slope Stability Analysis, Finite Element Analysis, Slope Stability, Feasibility Studies, Tunnels, Logging, Gold, Research, Numerical Modeling.
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Koray Önal
Çanakkale -
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Koray Önal
Türkiye -
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