MINING REFERENCES

  1. Blyvooruitzicht gold mine
    Project management : 1 x 5,5 MVAr, 22 kV power factor correction bank; 1 x 3,5 MVAr, 22 kV power factor correction bank; 2 x 2 MVAr, 6,6 kV power factor correction banks; 2 x 3,5 MVAr, 6,6 kV power factor correction banks.
  2. Doornfontein gold mine
    Tariff impact study and electrical system study, PFC design, specification and project management : 2 x 5 MVAr, 5th harmonic filter banks; 2 x 3 MVAr, 5th harmonic filter banks; 1 x 3 MVAr, power factor correction bank.
  1. Forzando Mine (AVMIN)
    Feasibility study in respect of power factor correction/harmonic filtering requirements.
  2. Beeshoek Mine (AVMIN)
    Electrical system study in respect of the effectiveness of existing PFC, design and specification of additional PFC requirements, project management : upgrading of an existing 22 kV 2,2 MVAr capacitor bank to 4,8 MVAr 5th harmonic filter.
  3. Blackrock Mine (AVMIN)
    Electrical system study in respect of the effectiveness of existing PFC, design and specification of additional PFC requirements, project management : upgrading of the existing 22 kV capacitor bank installation.
  4. Afrikaner Lease Gold Mine
    Electrical system study, 6,6 kV PFC design and specification.
  5. Kinross Gold Mine
    Electrical system study in respect of the effectiveness of existing PFC/harmonic filter installation consisting of six 6,6 kV harmonic filter banks, together with recommendations to improve and optimise this PFC installation.
  6. Thabazimbi Iron Ore (Buffelshoek)
    Electrical system study in respect of 22 kV PFC requirements and PFC design/specification.
  7. Thabazimbi Iron Ore
    Investigation into problems experienced with failure and mal-operation of LV reactive power compensation on P&H 2300 shovels, together with recommendations in respect of remedial measures to improve the shovel supply voltage regulation.
  8. Nkomati Mine (AVMIN)
    Electrical system study, PFC design and specification, project management : one 22 kV 1,8 MVAr capacitor bank, upgradeable to 5,4 MVAr 5th harmonic filter.
  9. Bikita Zimbabwe
    Project management : one 6,6 kV 900 kVAr pole mounted capacitor bank.
  10. Buffelsfontein Gold Mine
    Electrical system study, 6,6 kV PFC design and specification.
  11. East Rand Gold and Uranium Company (Ergo)
    Nightsave tariff impact study. Electrical system study, 11 kV PFC design and specification, project management : 2 x 2,2 MVAr capacitor banks; 3 x 2,2 MVAr capacitor banks; 1 x 3,6 MVAr capacitor bank; 1 x 2,7 MVAr 5th harmonic filter bank; 1 x 7,2 MVAr 5th harmonic filter bank.
  12. St Helena Gold Mine
    Nightsave tariff impact study. Electrical system study, 6,6 kV PFC design and specification.
  13. J.R. Mines
    Electrical system study, 6,6 kV PFC design and specification.
  14. Arnot Colliery
    Megaflex tariff impact study. Electrical system study to determine the effectiveness of existing 6,6 kV PFC together recommendations in respect of measures to optimise the PFC installations.
  15. Anglo Platinum – Union Section
    Megaflex tariff impact study and evaluation of the effectiveness of existing 11 kV PFC. Recommendations in respect of tariffs and associated savings.
  16. Anglo Operations – Black Mountain No.2 Shaft
    Greenfield study : Determination of the predicted shaft load demand and power factor during typical mining operations. Design and specification of required 6,6 kV PFC/harmonic filters to correct for the Shaft load and to provide harmonic filtration for the Rock and Man Winders.
  17. Palabora Mining Company
    Design of remedial measures for, and improvements to, the PMC Substation reticulation network, in order to ensure the network has sufficient capacity to provide an adequate electrical supply for the future load requirements, for both normal and contingency system operation.
  18. Anglo American Corporation – Konkola Copper Mines (Zambia)
    Power factor correction scheme study and equipment technical specification for the Konkola, Nchanga and Nampundwe Copper Mines.
  19. Anglo American Corporation – Smelter Company (Zambia)
    Power factor correction scheme study and equipment technical specification.
  20. Anglo American Corporation – Konkola Copper Mines (Zambia)
    Detailed and comprehensive protection coordination study of the complete electrical networks at Nchanga, Konkola and Nampundwe mines and Smelter Co.
  21. Tati Nickel Mine (Botswana)
    Comprehensive electrical system study for the overall new project, including load flow and fault level studies, 11 kV and 3,3 kV motor starting studies, design check of power factor correction already specified.
  22. Driefontein Mine – Goldfields of SA
    System evaluation of the effectiveness of existing 6,6 kV PFC at the East 2#, West 5# and West 6#. Recommendations in respect of PFC optimisation and associated tariff savings, implementation of the proposed recommendations.
  23. Driefontein Mine West Gold Plant – Goldfields of SA
    System evaluation of the capability of the Eskom 6,6 kV supply arrangement for planned load growth together with the effectiveness of existing 6,6 kV PFC. Recommendations in respect of PFC optimisation, implementation of the proposed recommendations.
  24. Assmang – Beeshoek Mine
    Installation of radio linked energy management system.
  25. President Steyn No.3 Shaft
    Design and specification of 6,6 kV PFC and harmonic filter installation. Project management : 3 MVAr 5th harmonic filter bank; 2 MVAr capacitor bank.
  26. BCL Mine (Botswana)
    Comprehensive system study of the capability of the existing 220/66/11 kV supply arrangement to provide an adequate capacity for existing and future 2006 mine loading. Recommendations in respect of remedial measures for, and improvements to, the BCL 220/66/11 kV supply reticulation network, in order to ensure the network has sufficient capacity to provide an adequate electrical supply for the future load requirements, for both normal and contingency system operation. Design and specification of 2 x 12MVAr, 1 x 6MVAr and 1 x 65MVAr 5th harmonic filters.
  27. Mimosa Mine (Zimbabwe) – Phase III expansion
    Complete underground reticulation for the new Phase III expansion, including initial feasibility design and costing for budget purposes, detailed design, specification and full project management. Project included nine 11 kV/550V skid mounted substations, surface compressor house and fans, electrical supply to main conveyor and primary crusher.Project completion – 3rd quarter 2002
  28. Driefontein Mine – No.1 Shaft East
    Comprehensive system study of the capability of the existing 6,6 kV supply arrangement to provide an adequate capacity for existing and future mine loading. Recommendations in respect of remedial measures for, and improvements to, the 6,6 kV supply, in order to ensure the network has sufficient capacity to provide an adequate electrical supply for the future load requirements. Comprehensive fault level and Protection Coordination study in order to verify switchgear, cable ratings and protection grading. Recommendations in respect of improvements to the 6,6 kV supply arrangement.
  29. Driefontein Mine – No.5 Shaft East
    Comprehensive system study of the capability of the existing 6,6 kV supply arrangement to provide an adequate capacity for existing and future mine loading. Recommendations in respect of improvements to the 6,6 kV supply, and requirement for a 5th Eskom 20MVA supply transformer, in order to ensure the network has sufficient capacity to provide an adequate electrical supply for the future load requirements.
  30. Palabora Mining Company
    Evaluation of the existing loading and harmonic conditions at the Palamin Substation taking into account future load predictions, investigation into recent capacitor bank failure, determination of voltage conditions at the Bank Substation during operation of the 5MW cycloconverter Rock Winders. Determination of harmonic loading of 5MW cycloconverter Rock Winders.
  31. Amandelbult Mine No.2 Shaft
    Comprehensive system study of the capability of the existing 11 kV supply arrangement to provide an adequate capacity for future mine loading. Recommendations in respect of improvements to the 11 kV supply, and requirement for a 3rd Eskom 20MVA supply transformer, in order to ensure the network has sufficient capacity to provide an adequate electrical supply for the future load requirements.
  32. Amandelbult Mine
    Evaluation of the existing loading and harmonic conditions at the 33 kV Concentrator, 11 kV Concentrator and No.1 Shaft Substation supplies.
  33. Western Platinum Karee Mine
    Measurement survey of the existing steady state and transient conditions at the 33 kV supply.
  34. Harmony Gold Mine
    System evaluation of the effectiveness of existing 6,6 kV PFC. Recommendations in respect of PFC optimisation and project price for implementation of the proposed recommendations.
  35. Driefontein Mine No.5 Shaft East
    Comprehensive fault level study in order to verify switchgear and cable ratings. Recommendations in respect of improvements to the 6,6 kV supply arrangement.
  36. Harmony Gold Mine
    Project management Optimisation of existing PFC banks as recommended in our previous study.
  37. Anglo Platinum Modikwa Mine
    Design, specification, and project management of 33 kV PFC and harmonic filter installation: 6 x 12 MVAr 5th harmonic filter banks.
  38. Anglo Platinum Waterval Smelter
    Comprehensive fault level study in order to verify switchgear and cable ratings. Recommendations in respect of improvements to the 6,6 kV supply arrangement.
  39. Amandelbult Mine
    Load flow analysis of the existing steady state and transient conditions of the electrical network and provide recommendations for additional predetermined loadings.
  40. Kloof Mine – 7 Shaft
    Comprehensive fault level and protection device coordination study in order to verify switchgear and cable ratings. Provide protection settings giving optimum grading.
  41. Harmony – Doornkop Shaft
    Comprehensive system study of the capability of the existing 6,6 kV supply arrangement to provide an adequate capacity for existing and future mine loading. Recommendations in respect of remedial measures for, and improvements to, the 6,6 kV supply, in order to ensure the network has sufficient capacity to provide an adequate electrical supply for the future load requirements. Comprehensive fault level and Protection Coordination study in order to verify switchgear, cable ratings and protection grading. Recommendations in respect of improvements to the 6,6 kV supply arrangement.
  42. ARM Gold Mine
    System evaluation of the effectiveness of existing 6,6 kV PFC. Recommendations in respect of PFC optimisation and project price for implementation of the proposed recommendations.
  43. Harmony Gold Mine – Joel
    PFC optimisation study and implementation of our recommendations.
  44. Kumba Resources Thabazimbi
    System study, design and specification of 22 kV harmonic filter installation.
  45. Northam Platinum
    Comprehensive system study and audit of the existing PFC design. PFC optimisation and reconfiguration for the Megaflex tariff. 6,5 MVAr 2nd order damped filter, 6,5 MVAr 2nd order damped filter, 8,0 MVAr Vari-var broadband filter, 8,0 MVAr Vari-var broadband filter, 6,5 MVAr C-type 3rd order filter (for cycloconverter controlled Mill motors).
  46. Kloof 5#
    Comprehensive fault level and protection device coordination study in order to verify switchgear and cable ratings. Provide protection settings giving optimum grading.
  47. Driefontein 5 W
    PFC optimisation study and implementation of our recommendations.
  48. Driefontein 2 E
    Comprehensive fault level and protection device coordination study in order to verify switchgear and cable ratings. Provide protection settings giving optimum grading.
  49. Avmin – Beeshoek Mine
    PFC optimisation study and implementation of our recommendations. Comprehensive fault level and protection device coordination study.
  50. Harmony Gold Mine
    Comprehensive audit and recommendations of various PFC banks in the Harmony group.
  51. Amandelbult Mine
    Compilation of complete MV electrical network into electronic format, to facilitate future system planning and studies.
  52. Avmin – Beeshoek Mine
    Appointed as client’s consultant to carry out necessary QA/QC of substation project.
  53. Tati Nickel – Botswana
    Comprehensive electrical system study including, database compilation, PFC, load flow and fault level studies, of the 11KV network.
  54. EHL – Western Limb Tailings
    Design, specification, and project management of 6.6kV harmonic filter installation: 2 x 5 MVAr 5th harmonic filter banks.
  55. Anglo Platinum – Polokwane smelter
    Inspection and report of the installed furnace transformers.
  56. EHL – Boschfontein W. Mine
    Design, specification and project management of 11 kV PFC and harmonic filter installation.
  57. Avmin – Beeshoek Mine
    Design, specification and project management of 22/11 KV PFC at South Mine.
  58. Xstrata Coal – South Witbank Colliery
    PFC optimisation study and equipment audit.
  59. Xstrata Coal – Tavistock Colliery
    PFC optimisation study and equipment audit.
  60. Elandsrand Gold Mine
    Investigation into tripping of winders/ QOS study.
  61. Doornkop Gold Mine
    Volt drop study.
  62. Xstrata Coal Atcom Colliery
    PFC optimisation study.
  63. Elandsrand Gold Mine
    Volt drop study.
  64. Xstrata Coal Boschmans Colliery
    PFC optimisation study.
  65. Konkola Copper Mine (Zambia)
    Comprehensive on site measurements, load flow study, fault level study, PFC/harmonic study, design and specification of 11kV PFC/harmonic filtering requirements.
  66. Mopani Copper Mine (Zambia)
    Comprehensive on site measurements, load flow study, fault level study, PFC/harmonic study, design and specification of 11kV PFC/harmonic filtering requirements
  67. Northam Platinum Mine
    Fault level study, PFC/harmonic study, design and specification of 11kV PFC/harmonic filtering requirements.
  68. Goldfields Beatrix Gold Mine 4#
    PFC/harmonic study, design and specification of 6,6kV PFC/harmonic filtering requirements.
  69. Anglo Platinum Waterval Mine – HVT
    PFC/harmonic study, design and specification of 11kV PFC/harmonic filtering requirements.
  70. Goldfields Driefontein Gold Mine
    ETAP model, fault level study, equipment rating verification, protection coordination study and PFC / harmonic study at 11 shafts and the Gold Plant.
  71. Zimasco – Zimbabwe
    PFC/harmonic study, design and specification of 2 x 33kV 3rd harmonic filters.
  72. DRA – Konkola North
    PFC/harmonic study, design and specification of 1 x 11kV 6MVAr 2nd order damped 5th harmonic filter and 2 x 11kV standard tuned 3rd harmonic filters.
  73. Harmony – Gold 1 Plant
    PFC audit and remedial work to 6,6 kV capacitor banks.
  74. TWP – Bakubung Mine
    Comprehensive PFC/harmonic study, design, specification and adjudication of 6.6 kV PFC/harmonic filtering equipment.
  75. Assore – Rustenburg Mineral Development Corporation.
    PFC measurements, analysis, Tariff impact study and recommendations.
  76. Sibanye Gold – Beatrix Mine
    Comprehensive PFC/harmonic optimization study, design, specification, adjudication and project monitoring of 6,6 kV PFC/harmonic filtering equipment.
  77. Sibanye Gold – Driefontein Mine
    PFC/harmonic optimization study, design, specification, adjudication and project monitoring of 6,6 kV PFC/harmonic filtering equipment.
  78. Sibanye Gold – Kloof Mine
    Comprehensive PFC/harmonic optimization study, design, specification, adjudication and project monitoring of 6,6 kV PFC/harmonic filtering equipment.
  79. Transalloys
    Measurements, analysis and reporting on faults with the furnace measuring systems.
  80. Tau Lekoa Gold Mine
    Comprehensive PFC/harmonic optimization study of 6,6 kV PFC/harmonic filtering equipment.
  81. Sibanye Gold – Kloof Mine
    132kV Substation upgrade feasibility study.
  82. Husab Joint Venture – Swakop Uranium Mine
    Comprehensive PFC/harmonic study, design, specification and adjudication of PFC/harmonic filtering equipment.
  83. Sibanye Gold – Kloof Mine 8#, 9#, 10#
    Comprehensive PFC/harmonic optimization study of 6.6 kV PFC/harmonic filtering equipment.
  84. Sibanye Gold – PFC Maintenance contract – Kloof, Driefontein and Cooke Mines
    Monthly maintenance and performance report which compares PFC performance/monthly savings to a baseline.
  85. Sibanye Gold – Kloof Mine 4#
    Design of MP5 6MVAr filter bank.
  86. Venetia upgrade project
    PFC/harmonic study, design and specification of 11kV PFC/harmonic filtering requirements.
  87. Elders Mine
    Comprehensive PFC and harmonic study. Design of 6 x 11kV harmonic filters.
  88. Honeymoon Mine (Australia)
    Comprehensive PFC and harmonic study. Design of 4 x 11kV harmonic filters.
  89. Burnstone Mine
    Comprehensive PFC and harmonic study. Design of 3 x 11kV harmonic filters.