Nahum Kabeya (MIEAust, PEng)

• Reviewing and developing equipment maintenance strategies, including RCA & DE workshops for critical assets and identifying/outlining appropriate maintenance plans for long term asset integrity. • Reviewing plant wide lubrication analysis results, analysing vibration data, thermal anomalies, belt thickness results to scope for optimal maintenance intervention and upgrade practices, assets as required. • Shutdown engineering support o Primary engineering contact or secondary engineering support for numerous shutdowns. Dayshift and Nightshift o Investigation and problem solving in a time and resource-limited environment • Reliability engineering functions o Reviewing and establishing asset strategies and life-cycle management o Optimising spares strategy – master data, stocking levels, sourcing, supporting information o Managing and investigating whole-of-plant reliability and runtime data o Executing reliability investigations and improvement projects o Conducting and executing actions from RCA investigations o Deep dive into reliability issues in plant – specifically ball mill troubleshooting • Improvement projects o Improving equipment and strategies in order to achieve longer service life (MTBF), reduced total ownership costs, and greater plant production o Specifically high-wear chute liner improvements and upgrade rollout plans • Operational Readiness o Assisting the business with new projects to transition from construction to operations o Specifically chute investigations – identifying rotable chutes and wear liner strategy for crushing and ore sorting plant • Operations support o Ground-up review of process water circuit and isolation strategy to streamline the isolation and permitting process o Field checks of process water circuit to verify as-built infrastructure to documented design

I brought a unique blend of hands-on operational experience and expertise in safety management. My role was focused on ensuring seamless plant operations while fostering a culture of safety and continuous learning among staff including: • Training and Development: Designed and delivered comprehensive training programs for operators and technicians, enhancing their skills in process control, equipment operation, and safety protocols. My training initiatives have resulted in improved competency levels and operational efficiency across the team. • Permit-to-Work Coordination: Effectively managed the permit-to-work system, ensuring compliance with safety regulations and facilitating safe work practices during maintenance and operational activities. This has minimized risks associated with concurrent operations and enhanced overall site safety. • Shutdown Planning and Scheduling: Led the planning and scheduling of shutdown activities, coordinating with multiple stakeholders to ensure efficient execution and minimal disruption to production. My strategic approach has consistently resulted in on-time completion of shutdowns while maintaining high safety standards. • Operational Support: Provided hands-on support during plant operations, troubleshooting process issues and optimizing performance to achieve production targets. My proactive problem-solving skills have contributed to reduced downtime and enhanced productivity. • Safety Culture Promotion : Advocated for a strong safety culture by conducting regular safety briefings, audits, and incident investigations. My efforts have led to a measurable decrease in workplace incidents and increased employee engagement in safety initiatives.

Renewable Energy, Reforestation and Rural Development Projects. Work in collaboration with Zenaga Foundation and Academy of Sciences and Engineering for Africa Development, ASEAD.

Savannah Nickel Mines - Kimberley, WA. Mineral processing plant maintenance and operation.

Operation and maintenance of complex processing systems such as Crushing/HPGR, HMS, conveyors, gravity & milling, flotation, dewatering/filtration, thickening, tailing circuits and water management while improving operation efficiency. • Operational Expertise: Proficient in operating and monitoring various processing equipment, including crushers, conveyors, and flotation cells, ensuring optimal performance and adherence to safety protocols. • Maintenance Proficiency: Skilled in troubleshooting, repairing, and maintaining mechanical systems, leading to reduced downtime and increased equipment reliability. • Process Optimization: Actively involved in process optimization initiatives, implementing adjustments that have resulted in significant enhancements in throughput and recovery rates. • Safety Compliance: Committed to maintaining a safe work environment by rigorously following safety standards and protocols, conducting safety audits, and participating in safety incident investigations. • Team Leadership: Demonstrated ability to lead and mentor junior technicians, fostering a collaborative team environment and promoting knowledge sharing to enhance overall plant performance.

Key Responsibilities: • On-Site Equipment Maintenance: Conduct hands-on maintenance, troubleshooting, and repair of eextruders, autoclaves, air compressors, and thermo-mechanical presses, addressing mechanical failures promptly to minimize downtime and restore equipment functionality. • Technical Support and Troubleshooting: Provide expert technical support to resolve complex issues related to equipment performance and reliability. Utilize diagnostic tools and techniques to identify root causes of failures.

• Coordinating operations and maintenance activities on mechanical systems, including machine-tools and HVAC systems. • Developing scope of work and implementing maintenance strategies to ensure all mechanical systems are kept in optimal working condition. • Planning and scheduling maintenance and parts procurement activities for operational project execution. • Providing technical support for complex mechanical issues during operations and project execution. • Conducting risk assessments and ensuring that all maintenance work and project executions adhere to safety protocols and best practices. • Maintaining and updating records related to maintenance, repairs, and project execution. • Reporting on weekly basis. Achievements: • Managed multiple fabrication projects simultaneously, delivering high-quality components on time and within budget. • Implemented new quality control procedures that reduced project execution overbudget by 25% and improved overall delivery efficiency.

Preparing, coordinating, and conducting face-to-face lectures, tutorials, practical classes, demonstrations, workshops and assess students enrolled in engineering. • Contributing to the planning and evaluation of topics such as: vector analysis, static and dynamics, fluid dynamic, thermodynamic, fabrication engineering, maintenance and reliability engineering. • Assisting in the development of topic and course materials with appropriate guidance from Course Coordinators and/or senior academic staff. • Providing support, academic counselling and professional advice to students concerning their studies, professional development, and career opportunities. • Engaging in activities within a relevant external professional domain such as professional associations, conferences, and workshops, and within a wider community context at local, national, or international level.

Project: Reducing Life-Cycle Cost of Transfer Chutes in Mineral Processing using Reliability Engineering

Mineral and Hydrocarbons Processing Technology