Esterhuizen - Sub Stations - Johannesburg, GP, South Africa

Nicolaas Johannes Erasmus Esterhuizen

Johannesburg, GP, South Africa


Sub Stations

  • Full time
  • Part time
  • One time
  • Contract
  • Temp


Build of sub station form the ground , installation of HV,MV,LV cables, installation of HV,MV,LV Switchgears, HV,MV,LV MCC, earthing of all panels and sub station earthing. installation of HV,MV,LV transformers. HAVC .
Installation of the UPS systems back batteries for power failure.Installation of all Motor MCC and all the control cables.

Work History


Project Mongolia

October 2011 - November 2013

Appointed as an High Voltage Supervisor
Employees 60
Responsible of all 220 KVA tower from China to Mine site and the 35KVA towers onsite to the 35KVA switching stations onsite and off site
Installation of all the switchgear in the substation and also outside the 220KVA stich yard.
Testing and Pre - Commissioning and Commissioming of all the High Voltage installation equipment in all three 220 KVA & 35KVA Main Substation and the flied switching station.
Do all AQ/QC inspection on all the electrical equipment in the substation.
Complete all the documentation and get ready for to sign off the documents.
Stand in for the High Voltage Superintendent in went his on break.
Was responsible for the plan maintenance of the 220KVA line from China.
Do Arch flash Studying on all 220 & 35 KVA switchgear and installation
Work on the Diesel Power station to supply the Mine Site with power if there is a power failure.
Inspection on all the steel towers and concrete onsite and of site and do grounding resistance testing
Work with the Mongolia Government and learn the Electrical law and standards.
Teach the Mongolia people all the safety standards and work with the right permits.
Have in the morning safety meetings and safety sheer with the staff.
Learn them our skills


Riyahd Saudi Arabia

September 2010 - March 2011

Co - ordinate Security officers in task and solve problem out
Develop standards and procedure for Security departments
Manage security meetings between contractor and security department.
Prevention Crime implementation and procedures
Co - ordinate and investigate of any incidents onsite.
Produce project SHE statistic.
Communicate accidents report and lessons learned
Monitor waste management.
Monitor site objectives and periodically report performance.
Assist all parties in identifications and mitigation of construction hazards.
Complete all monthly reports.
Immediately attend every serious incident to view evidence and assist in proceedings.

Ambatory Project Madagascar BW Electrical Contractor Jointed Venture

May 2010 - August 2010

Employees 1400
Appointed as an Electrical Supervisor.
Installations of all HV, MV, LV switchgear in all sub stations onsite.
Installations of all the HV, MV, LV main feeder cables to the sub stations and main swicthgears.
Installations of all the LV control cables to the motors stop and start boxes.
Installation of all the UPS power to all the equipment in the controls rooms and main offices buildings.
Do all the High Pot testings of the cables and the testing all other equipment onsite.
Pre Commissioning & Commissioning of all equipment.
Completed all the QA/QC documents and sign of the documents after completed testing
Wiring of all the motors controls and MCC panels in sub stations.

Electrical Engineer

Shraq 3rd Expansion Project UOU and Prject Management Team

January 2009 - October 2009

1 January 2009 till 15 October 2009.
Employees. 3500
Appointed as an Electrical Engineer.
To support the Main Contractor and the EPC contractor with all the updated drawings.
Help the EPC contractor with the red line drawings.
Have regular meetings with the EPC & Main Contractor and also toolbox meetings.
Support the AQ/QC with all the inspection and all testing of the equipment.
Support the Pre - Commissioning & Commissioning teams with the testing and inspections and sign of the documentation.
Ensure that HSE and Electrical standards is apply on the site with all works was done.

Electrical Supervisor

Kentz Saudi Arabia

January 2007 - December 2008

Petro Rabigh UOU Projet Jointed Venture with Foster Wheeler& Saudi Arabia Aramco.
1 January 2007 till 31 December 2008.
Employees. 60 000.
Appointed as an Electrical Supervisor.
To co - ordinate with the Civil contractor and the Electrical contractor with the buildings of all sub stations and ground works
C0 - ordinate with the EPC contractor with the installations of all HV, MV, LV switchgears panels and the MCC panels
Co - ordinate with the EPC contractor with the installation of all the Main HV, MV, LV transformers around the site.
Support the EPC Contractor with pulling of all HV, MV, LV cables to the transformers and switchgears.
Support them again with the pulling of all the motor control cables to the motor control switch onsite.
Help the EPC Contractor with the drawings to do all the wiring of all the MCC panels.
Support the QA/QC department with all the High Pot testings of the HV, MV, LV Cables. And testing off the motors control cables.
Inspect electrical drawings, signed off drawings and send to the EPC Contractor.
Working with the Turn over department to completed of all red line drawings and sign of the all documentations.
Regulars meetings with the EPC Contractor and regular toolbox meetings.

Electrical Supervisor

International Petrochemical Engen Refinery Durban South Africa

June 2006 - December 2006

1 June 2006 till 15 December 2006.
Employees. 500
Appointed as an Electrical Supervisor.
Support the Main Contractor with the yearly shutdown.
Replacement of all the faulty equipment and install with new equipment on the plant.
Inspection & repairs & replacements of faulty switchgears and installation of new switchgears in sub stations.
Replacement of all broken light fittings around the tanks and towers.

Electrical Engineer

RM/Aliraq/Alsami RMS and USA Defence Force department Iraq

January 2003 - May 2006

02 January 2003 till 10 May 2006.
Employees. 140
Appointed as an Electrical Engineer.
To build a diesel power plant around Bagdad for all the Defence Forces Camps to supply power to all the buildings.
Build Dfac facilities for cooking of food.
Re build and re wiring of all the damage builds around Bagdad.
Do all the maintenance on the buildings of the rplacemnt damage light fiitings and equipment.

Grootvlei Gold Mine

January 1984 - December 2003

As an Maintenace Electricain
In charge of all the Surface electrical equipment sub stations, meter readings, housing department.
Look after all Main substation, HV, MV, LV overhead lines to the slam dams pump station.
Replacement & repairs of all breakdowns at all areas
Responsible for planning of maintenance day to day activities.
Resposible for four apprentices training including processing of the monthly time sheets, wages and bonus all responsilities as stand in if his an leave.

Start my Apprentice ship

Sappi Fine Papers Enstra Springs South Africa

January 1978 - December 1983

with the company as an Electrician.
Complete my Apprenticeship as an Electrician and all my training.
Training on panel wiring, motor controls, fault founding, read of electrical drawings.
Learn to test all motors, transformers, HV, MV, LV switchgears, GV, MV.LV cables.
Re-wiring of old control panels and switchgears.
Do all the maintnenace on all electrical equipment in the plant.
Work on new projects and installation of new electrical equipment.

Courses completed.
Arch Flash training.
How to right JHA and Track course.
How to right SWP.
HighVoltage training.

Pieter Loots.
Oyu Tolgoi Project High Voltage Superintendent.


UOU Oil & Gas Refinery

Excavation of all Power cables on the site, pulling of al HV,LV.MV to the 220000,35000.10.5,KVA sub stations and main transformers.
Installation of all HV,MV,LV cabling and bus bar in switchgears,UPS Systems , Hi pot testing of all HV,MV,LV cables and also motor control cables.
Installation of all HAVC Systems in sub stations, all lighting in sub stations
Connecting of main cable into the transformers.Testing of all the panels.

Qualifications & Certifications

Technical High School

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