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Electrical Engineering Maintenance

Kathu, Northern Cape, 8446, South Africa
October 04, 2018

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Profile Full Name : Aobakwe Rodney Haarmans

Date of Birth : 08 – 10 – 1984

Citizenship : South African

ID Number : 841**********

Res. Address : 6930 35thAvenue, Rooisand, Kathu, 8446 Marital Status : Single

Languages : English, Afrikaans & Setswana.

Race : Black

Criminal record : None


B Tech. Project Management

Central University of Technology (Bloemfontein Campus) B Tech. Electrical Engineering

Tshwane University of Technology (Pretoria Campus) N Dip. Electrical Engineering

Tshwane University of Technology (Pretoria campus) N6. Electrical Engineering

Central Johannesburg College (Ellis park campus

Instrument mechanician trade test

AngloGold Ashanti training centre Vaal reefs (Section 26D) Matric

Navalsig High School (Bloemfontein)


Aobakwe Haarmans

E-mail :

Cell : 073-***-**** / 083-***-****




30 May 2017


Work History

Assmang-Khumani iron ore mine

Instrumentation Technician: Responsible for instrumentation and maintenance on wash & screening plant and tertiary crushers.

Relieving maintenance planner: Schedule and monitor the execution of the assert care activities in order to meet set industry parameters of reliability and availability of assert within span of control, through optimum maintenance mix techniques and coordination of resources. Assess the performance of the assert management system users and ensure proficiency through relevant training. Conduct and facilitate root cause analysis with the stake holders to ensure optimum assert care planning and updating the preventative maintenance job cards accordingly. Assist Superintendent Engineering in the planning of maintenance windows in coordinating the needs between the operational and maintenance section.

International mining and Dredging Holding (IMDH)-Diamonds Mining Company

IT / Electronic Engineer

Management role: Managing physical assets under with regards to running order preservation and increasing plant efficiency. Supervise and plan running of daily tasks of electrical and instrumentation. Ensure smooth and efficient maintenance operation of the plant. Ensure good maintenance standards to minimise down time and cost. Draw up maintenance schedules for all the equipment in the section and ensure that the demands that will be made on electrical department (Electrical and C&I section),to action plan accordingly. Ensure that my and my subordinates obey to safety regulations and observe safety precautions as laid down in machinery and occupational safety act.

Processing Plant & Diamond Recovery section: Commissioning and fault-finding of a wide variety of field instruments for optimal usage by the production processes (e.g. different types of level sensors, flow meters, flow switches, proximity switches, pressure sensors/switches, temperature measuring devices{thermocouples,RTD’s,Thermistors}, gamma weightometers – Caesium 137 source - for weigh conveyor belts, densitometers – Caesium137 - but to name a few).Conduct complex fault finding on Flow Sort X-ray diamond sorting machines (HV generator, injector box, optic box-ray tube, and inlet water line).Making changes on the software Rs Logix 5 and Rs Logix 5000 Allen Bradley PLC system which is controlling i/o of plant operations. Installation and maintenance of the CCTV systems. Maintenance on portable radios. Use Rs view

Assmang-Khumani iron ore mine

Instrumentation Technician: Responsible for wash & screening plant and two tertiary crushers. Instrumentation Maintenance: Calibrate instruments, Install equipment and instrument systems e.g. flow, level, weighing, load cell, pressure.Fault finding using Rs Logix 5000(Allen Bradley) PLC,identify all process and safety interlocks, Tags definitions and assign tags. Install temperatures (thermocouples and RTD’s), valves(Rotork and Auma control valves),hydraulic and pneumatic solenoids, working on hydraulic actuators

(instrotech linear transducer).working on process automation belt scales and density meters.install,maintain and fault finding on conveyor instruments e.g. alignment switches, block chutes, belt rip & tear switches,tacho meter. Working on resistive, inductive proximity switches.Working on stackers and reclaimers.working on metso crushers MP 1000 cone crusher.Quick response to breakdown to reduce down time. Ensure availability of equipment .perform standby.

06May 16– 05 may 17

Nov 13– April 16

01 June 17– to date

Networks: Configuring EtherNet/IP address using BOOTP-DCP server software and using RsLinx software, ControlNet and RsNetWorx troubleshooting, DeviceNet .Scada: Wonderware InTouch. Project Management: Assist in planning, execution and commissioning of engineering projects, monitor and track the progress of projects, manage project schedule to ensure efficient execution as per the original approved scope of the project, managing triple constraints of the project. Assmang-Khumani iron ore mine (Swift Contractor)

Instrumentation Technician

Duties are same as above.

Anglo American Kumba iron ore (Sishen mine)

Technician in Training-Plant Technician (cyclone, drum, wash & screening and crushing plant)

-Calibration of belt scales and density meters of process automation, Calibration of load out stations and level meter, Maintenance on plant instruments (Vegas, Lasers, Belt scales, Probes, proximity switches).

-Configuring and faulting finding in drives (VSD, Semocode), work with Siemens S7 PLC to do fault finding. Setting of the actuators valve, Knowledge of remote I/O, Communications: Fiber optic and Ethernet,Profibus networks, Using Citect,WinCC and wonderware InTouch scada.

-Involved in projects (implementation and management) Eskom North western region

Pupil Technician (In-Service Training)

Cable Thumbing, Cable joint, working on switchgears, Mini- subs maintenance, testing all the protections relays, fuses and circuit breakers, Testing AC and DC motor, Testing three and single phase transformers Kumba resource (Sishen iron ore mine)

Electrical maintenance operator

Duties: Determine the condition of D.C. circuit breakers, connect cable ends, check and test AC induction motor, Change transformer oil, Do tap changing on the transformer, Determine the condition of battery connections, determine capacity and type of circuit breaker, Do daily check on transformer, Do insulation and continuity resistance test, Repair geyser, Use an electrical blower, fit lugs on the cable, Fault finding on electrical systems, Fit mechanical gland to pvc cable, Do heat shrink joint, Install and maintain lights, Install Earth leakage protection divices,Do isolating/switching in procedures, Impulse test a cable, join pvc cable, Do lock out procedures, megger test a cable, recognise general hazards, replace silica gel units, Test single phase motors, Set timers, Take hydrometer test on batteries, Service main substation, Do weekly maintenance check on a transformer.

Feb 10 – Jan 11

Oct 12 – Nov 13

June 2008 – Jan 2009

Feb 2006 – Jan 2007


Legal Liabilities course (LegalCS)

Networks, Control Net, Device Net and Ethernet (Rockwell Automation)

Superior gyratory (60110) crusher and MP1000 cone crusher (Metso)

Basics of hydraulics (Hytec)

Arc welding & Oxyacetylene cutting (Tshipi Training Centre)

Operating regulations for high voltage systems-ORHVS (Eskom)

Equipotential Earthing (Eskom)

Computer skills

MS Office (6 months certificate)

MS Projects

JD Edwards


Rs logix 5 and Rs Logix 5000

Wonder ware SCADA-in touch and Archestra

Registration Engineering Council of South Africa (ECSA) Registration Number: 201480052

Discipline: Electrical

Category: Candidate Engineering Technologist

References Mr Mark Van Rooy

International Mining & dredging Holdings (Technical Superintendent) Cell : 082-***-**** / 073-***-****

Mr Nathaniel MHLAHLO

Khumani iron ore mine (Senior Instrumentation Technician) Cell : 083-***-****

Office : 053-***-****

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