What We’ve Done

OUR

PROJECTS

Download Detailed List of Completed Projects

Renewable

Energy Projects

CVG Consulting Engineers have been involved in Renewable Energy Projects since the IPP Renewable Energy Programme was introduced by the Department of Energy in 2012. CVG have been responsible for the grid connection designs on these projects to successfully integrate the IPP projects into the Eskom National Grid. The company has a detailed understanding of the Grid connection requirements as outlined in the relevant NERSA, Eskom and South African Grid Code documentation. The following projects provide a summary of CVG involvements in these projects and the salient features have been highlighted.

2023 / Current
Front End Engineering and Design for 150MW (600MWh) Battery Energy Storage System
CVG were appointed by WSP Africa, to undertake the BESS layouts and designs for a 150MW (600MWh) Battery Energy Storage System, that will be installed as part of Eskom’s Just Energy Transition Project – Phase 1: Repurposing of Komati Coal Fired Power Plant.

Feasibility and Front‐End Engineering and Design
Read More
2023 / Current
2015 / 2017
SA Grid Code Studies and Design of Interconnection Substation for 2 x 75MW Wind Farms near De‐Aar Northern Cape
CVG were appointed by Adenco Construction (Pty) Ltd, the EPC contractors for Longyuan Engineering SA (Pty) Ltd, to undertake the completed detailed engineering for the IPP portions of the 2 x grid connection 132/33kV substations for two separate 75MW wind farms, namely Maanhaarberg and North. The services that CVG provided on the projects included the following:

Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Designs
Construction Monitoring (In Progress)
Read More
2015 / 2017
2015 / 2016
SA Grid Code Studies and Design of Interconnection Substation and Power Line for 4.8MW Hydro Power Plant near Bethlehem
CVG were appointed by Building Energy, who are the developers for a new 4.8MW Hydro Power plant to be established along the banks of the Asrivier near Bethlehem in the Free State province, to design and construction manage the entire Eskom self build works. The works consisted of the upgrade to an existing Eskom 88/11kV substation and the construction of a new 22kV overhead powerline. The services that CVG provided on the projects included the following:

Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
22kV Line Design
Read More
2015 / 2016
2015 / 2016
SA Grid Code Studies and Design of Interconnection Substation for 10MW Hydro Power Plant in Kakamas
CVG were appointed by Adenco Construction, provide the designs for the interconnection grid substation for a new 10MW Hydro facility in Kakamas. The services that CVG provided on the projects included the following:

Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Read More
2015 / 2016
2012 / 2013
SA Grid Code Studies and Design of Interconnection Substation and Power Line 27MW Wind Farm near Caledon, Western Cape
Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
Preliminary and Detailed Control Plant Design
Turn in Line Design
Read More
2012 / 2013
2012 / 2013
SA Grid Code Studies and Design of Interconnection Substation and Power Line 70MW Wind Farm near Victoria West, Northern Cape
Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Turn in Line Design
Read More
2012 / 2013

Transmission

Line Projects

CVG Consulting Engineers have been involved in the design and project management of various overhead transmission lines. CVG have undertaken designs using the PLSCADD software package on lines ranging from 11kV up to 400kV. It manages the entire scope from geotechnical and topographical surveys, to designs, to construction management and supervisions. CVG is equipped to also undertake Method 4 studies on transmission line towers and supports and all designs are in accordance with SANS 10280. The following projects provide a summary of CVG involvements in transmission line projects and only the salient features have been highlighted.

2021 ‐ Ongoing
Durban Harbour Incoming Supply Cable Feed
Feasibility Study
Design
Compilation of Detailed Specifications and Technical Schedules for
Appointed for Full Construction Supervision
Read More
2021 ‐ Ongoing
2018
City of uMhlathuze Network Audit
Audit
Read More
2018
2016
Design of 16.4km of 132kV Line – Hotazel/Eldoret 132kV Power Line
PLS CADD Design for 16.4km powerline using guyed monopole structures
Read More
2016
2016
Design of 12km of 132kV Line – Moffat/Mothibistat 132kV Power Line
PLS CADD Design for 16.4km powerline using guyed monopole structures
Read More
2016
2015
Re‐Configuration of Briers/Muldersvlei 1 132kV Line and Design of 132kV Turn in Lines to Greenville Substation
PLS CADD Design for 15km powerline using guyed monopole structures
Read More
2015
2014
Project Management Appointment for 52km of single circuit, Chicadee 132kV power line complete with 48‐core OPGW
Read More
2014
2010
Sub Consultant for Design Activities to Edison Jehamo Power (Pty) Ltd
PLS CADD Design for 2.5km double circuit steel lattice twin Tern line
Read More
2010
2006
Project Management Appointment
8.5km Dual Circuit Tee‐Off from the Nkonka‐Oribi 132kV Wolf line with 7/3.65 earth wire on one circuit and OPGW and the 2nd .Self supporting series 245 steel lattice tower
Read More
2006
2005
Project Management Appointment
13km of lattice steel 88kV line
Read More
2005
2002
Project Management Appointment
Read More
2002
2001
Project Management Appointment
Read More
2001

Substation

Projects

CVG Consulting Engineers have been involved in the design and project management of over 80 substations since inception and has become recognised as a leader in high voltage substations. CVG have undertaken some of the largest capital value substation projects for Eskom distribution and have expert skills in the design, project management and construction management in this field. On numerous projects, CVG have provides a turnkey professional design services, which
includes civil designs, structural designs, electrical designs, architectural designs and quantity surveys. CVG have project managed entire substation projects, which includes environmental management, geotechnical and survey and all other professional disciplines. The following projects provide a summary of CVG involvements in transmission line projects and only the salient features have been highlighted.

2021 ‐ Ongoing
Durban Harbour – 132/33 2x90MVA Substation and 33/11 2x 20MVA Substation
Feasibility Study
Full Electrical Network Model
Protection Study and Grading
Compilation of Detailed Specifications and Technical Schedules for
Preliminary and Detailed Primary Plant Design (Some Activities in progress)
Appointed for Full Construction Supervision
Read More
2021 ‐ Ongoing
2021 ‐ Ongoing
Richards Bay Industrial Development Zone 132/11kV Substation Establishment
Feasibility Study
Compilation of Detailed Specifications and Technical Schedules for
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Appointed for Full Project Management and Construction Supervision
Read More
2021 ‐ Ongoing
2019 ‐ 2020
Avondale 132/33/11kV Substation
Detailed Primary Plant Design
  • Bulk Civil Works and Platform Design
  • Substation Drainage
  • Oil Containment System
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Full Electrical design
  • Substation building design and structural analysis (Building with switchgear room, control room, offices, storage rooms, kitchen and ablutions,
  • Yard fencing design
  • Access roads
Read More
2019 ‐ 2020
2018
City of uMhlathuze Network Audit
Audit
Read More
2018
2019 ‐ 2020
Skaapvlei 132/22kV Substation
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Read More
2019 ‐ 2020
2017 ‐ 2018
Rooidraai (22/11kV, 2x10MVA Substation)
Compilation of Detailed Specifications and Technical Schedules for
Preliminary and Detailed Substation Design
Project Management and Construction Supervision
Read More
2017 ‐ 2018
2017 ‐ 2018
Lydenburg Town(22/11kV, 2x10MVA Substation)
Compilation of Detailed Specifications and Technical Schedules for
Preliminary and Detailed Substation Design
Project Management and Construction Supervision
Read More
2017 ‐ 2018
2016 ‐ 2017
Mashishing (22/11kV, 2x10MVA Substation)
Compilation of Detailed Specifications and Technical Schedules for
Preliminary and Detailed Substation Design
Project Management and Construction Supervision
Read More
2016 ‐ 2017
2016 ‐ 2018
Duma 132/22kV Sub‐ Station (2x 40MVA Substation)
Compilation of Detailed Specifications and Technical Schedules for
Preliminary and Detailed Substation Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2016 ‐ 2018
2016 ‐ 2018
Duma 132kV Switching Station
Compilation of Detailed Specifications and Technical Schedules for
Preliminary and Detailed Primary Plant Design
Project Management and Construction Supervision
Read More
2016 ‐ 2018
2014 ‐ 2015
Turnkey Appointment – Greenville 132/11kV Substation Establishment
Compilation of Detailed Specifications and Technical Schedules for
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2014 ‐ 2015
2012 ‐ 2013
Harbour West 132/11kV Substation Establishment
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2012 ‐ 2013
2008 ‐ 2010
Turnkey Appointment – Gingindlovu 132/88/22/11kV Substation Establishment
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2008 ‐ 2010
2008 ‐ 2010
Turnkey Appointment – Mandini 132/88/11 Substation Upgrade
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2008 ‐ 2010
2009 ‐ 2010
Turnkey Appointment ‐ Driefontein 132/33/22/11kV Substation Refurbishment
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2009 ‐ 2010
2010
Design Appointment for Substation Platform
Site Platform and Access Design
Read More
2010
2007 ‐ 2009
Turnkey Appointment
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2007 ‐ 2009
2004 ‐ 2006
Design and Project Management Appointment
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2004 ‐ 2006
2005 ‐ 2007
Design and Project Management Appointment
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2005 ‐ 2007
2004 ‐ 2006
Design and Project Management Appointment
Preliminary and Detailed Primary Plant Design
Preliminary and Detailed Control Plant Design
Project Management and Construction Supervision
Read More
2004 ‐ 2006
2004 ‐ 2006
Primary Plant Design and Project Management Appointment
Preliminary and Detailed Primary Plant Design
Project Management and Construction Supervision
Read More
2004 ‐ 2006
2003 ‐ 2005
Primary Plant Design and Project Management Appointment
Preliminary and Detailed Primary Plant Design
Project Management and Construction Supervision
Read More
2003 ‐ 2005

Front End Engineering and Design 150MW (600MWh) Battery Energy Storage System

CVG were appointed by WSP Africa, to undertake the BESS layouts and designs for a 150MW (600MWh) Battery Energy Storage System, that will be installed as part of Eskom’s Just Energy Transition Project – Phase 1: Repurposing of Komati Coal Fired Power Plant.

Feasibility and Front‐End Engineering and Design
  • Undertook Feasibility study to determine the select the battery technology. (Considered the Use Case of the Batteries, Environmental Impact, Payback period, etc)
  • Stakeholder Involvement (workshops, caucuses, etc) to develop the BESS system, which is one of the first of its kind in South Africa.
  • Undertook detailed Option study to evacuate BESS and integrate into the national grid.
  • Undertook assessment and evaluation of existing infrastructure and considered them for re-use and integration into the new BESS system.
  • Included for the design of the Control and Instrumentation to integrate the Battery Management Systems, Energy Management Systems, HVAC systems, etc into the Scada network.
  • Involved in the preparation of section of the Initial Selection Document for the World Bank, the sponsors of the project, for purposes of pre-selecting EPC Contractors.
  • Selected the type of containerized system.
  • Instrumental in the development of the Battery model (Determining the optimal State of Charge, Cycle Depth, Depth of Discharge, calculation of Round-Trip Efficiencies).
  • Designed the BESS layout and optimized the available land space to include the required containers to provide 150MW (600MWh) capacity and considered for future augmentation.
  • Calculated Least Cost of Storage and Lowest Cost of Estimation by considering CAPEX and OPEX costs.
  • Generation of all layout designs.

SA Grid Code Studies and Design  Interconnection Substation for 2 x 75MW Wind Farms near De‐Aar Northern Cape

CVG were appointed by Adenco Construction (Pty) Ltd, the EPC contractors for Longyuan Engineering SA (Pty) Ltd, to undertake the completed detailed engineering for the IPP portions of the 2 x grid connection 132/33kV substations for two separate 75MW wind farms, namely Maanhaarberg and North. The services that CVG provided on the projects included the following:

Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
  • Ensured that all infrastructure was planned and designed to ensure compliance with South African Grid Codes with respect to Protection, Metering, DC & AC Distribution and Telecontrol in the Wind Farm portion of the facility.

Preliminary and Detailed Primary Plant Design
  • The initial design called for an indoor 33kV system at the substation and a 33kV cable network for the collector system. Proposed an complete outdoor 33kV system and generated layout drawings and preliminary designs to support the proposal. Presented the Client with a detailed cost analysis of the options, which resulted in significant savings for the project, which the Client accepted.
  • Substation earth mat design for entire High Voltage Yard in accordance with IEEE Std 80 to ensure that step and touch potential levels were below the safe threshold level.
  • Modelled the earthing system for the wind turbines and generated preliminary earthgrid drawings for turbines.
  • Specification of all major High Voltage equipment, review and acceptance of equipment layout drawings provided by suppliers.
  • Generation of all layout designs, elevation drawings, stringing, etc.
  • Design of all foundations with supporting calculations (foundation designs for: equipment support steelwork, gantry columns, cable sealing ends, etc), and verification that foundations are safe for all loads encountered.
  • Design of oil containment system.
  • Design of all steelwork with supporting calculations (steelwork designs for: equipment support steelwork, gantry columns, cable sealing ends, etc).
  • Lighting Analysis to determine the average irradiance levels at various points in the substation and designing the lighting system to ensure compliance with OHS Act requirements.
  • Lightning Protection Study in accordance with SANS 62305, and undertaking a detailed risk analysis in accordance with the procedural guidelines of SANS 62305-2 to determine the Lightning Protection Class required.

Preliminary and Detailed Control Plant Designs
  • Generated detailed protection philosophy.
  • Selection of CT ratios.
  • Specification of protection and control schemes for:
    • 2 x 80MVA transformers
    • On-load tap changers
    • 132kV busbar protection
    • 33kV reticulation feeders
    • Bus-Section Control
  • Point of Utility Coupling (Protection and Control) in accordance with the requirements of the NERSA grid codes and Eskom standards.
  • Statistical and Tariff Metering.
  • Quality of Supply Monitoring.
  • AC and DC Auxiliary Supplies & Distribution.
  • Sizing and design for AC and DC distribution panels and substation batteries.
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization.
  • Communication as called for in the relevant Grid Codes.

Construction Monitoring (In Progress)
  • Visiting Site during construction to ensure that construction work is carried out in compliance with the approved design.
  • Assisting with on-site queries.
  • Generating defects list.
  • Signing off final handover.

SA Grid Code Studies and Design Interconnection Substation and Power Line for 4.8MW Hydro Power Plant near Bethlehem

CVG were appointed by Building Energy, who are the developers for a new 4.8MW Hydro Power plant to be established along the banks of the Asrivier near Bethlehem in the Free State province, to design and construction manage the entire Eskom self build works. The works consisted of the upgrade to an existing Eskom 88/11kV substation and the construction of a new 22kV overhead powerline. The services that CVG provided on the projects included the following:

Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
  • Ensured that all infrastructure was planned and designed to ensure compliance with South African Grid Codes with respect to Protection, Metering, DC & AC Distribution and Telecontrol

Preliminary and Detailed Primary Plant Design
  • Design of Bulk Civil Works to extend the substation platform to accommodate a new 22kV feeder bay
  • Access Roads design, Drainage, etc for the extension to the existing substation platform at Node 88/22kV substation
  • Substation earth mat design for the extension and verification of the existing earthmat to ensure that step and touch potentials are within safe threshold levels and that the Grid Potential Rise is below the Eskom stipulated value
  • Specification of all major High Voltage equipment
  • Generation of all design layouts, elevations, stringing, etc for new 22kV feeder bay

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes:
    • Phase 4‐11 kV Reticulation feeder protection schemes
    • Integration of the new feeder bay into the existing 88kV buszone
  • AC and DC Auxiliary Supplies & Distribution
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical and Tariff Metering
  • Complete Substation Automation for SCADA

22kV Line Design
  • Survey and Design of Preliminary Line Route
  • Assistance with Wayleave Negotiations
  • Generation of spanning sheets, profiles, etc
  • Completion of DESD’s

SA Grid Code Studies and Design Interconnection Substation for 10MW Hydro Power Plant in Kakamas

CVG were appointed by Adenco Construction, provide the designs for the interconnection grid substation for a new 10MW Hydro facility in Kakamas. The services that CVG provided on the projects included the following:

Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
  • Ensured that all infrastructure was planned and designed to ensure compliance with South African Grid Codes with respect to Protection, Metering, DC & AC Distribution and Telecontrol.

Preliminary and Detailed Primary Plant Design
  • Design of the new Neusberg 33/22kV substation.
  • Substation earth mat design for the extension and verification of the existing earthmat to ensure that step and touch potentials are within safe threshold levels.
  • Specification of all major High Voltage equipment.
  • Generation of all design layouts, elevations, stringing, etc for new 22kV feeder bay.

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes:
    • Phase 4-33 kV Reticulation feeder protection schemes.
    • Integration of the new feeder bay into the existing Eskom Taaipit substation.
  • AC and DC Auxiliary Supplies & Distribution.
  • Sizing and design for AC and DC distribution panels and substation batteries.
  • Substation Statistical and Tariff Metering.
  • Complete Substation Automation for SCADA.

SA Grid Code Studies and Design Interconnection Substation and Power Line 27MW Wind Farm near Caledon, Western Cape

Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
  • Ensure that all infrastructure is planned and designed to ensure compliance with South African Grid Codes
  • Protection, Metering, DC & AC Distribution, Telecontrol in Eskom portion of the facility
  • Protection, Metering, DC & AC Distribution, Telecontrol in Wind Farm portion of the facility

Preliminary and Detailed Primary Plant Design
  • Design of Bulk Civil Works, Access Roads, Drainage, etc of Substation platform to accommodate Eskom 66kV Switch Yard, as well as Wind Farm 66/22kV Collector Substation
  • Design of Substation Buildings (Eskom & Wind Farm Side)
  • Substation earth mat design for entire High Voltage Yard
  • Specification of all major High Voltage equipment, layout, elevations, stringing, etc
  • MV Switchgear Specification & Electromechanical works for Substation

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes
  • Phase 4‐Distance/Current Differential Protection schemes, Phase 4‐transformer and tap changer protection and control schemes, Phase 4‐11 kV Reticulation feeder protection schemes, Phase 4 Buszone protection schemes
  • AC and DC Auxiliary Supplies & Distribution
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical and Tariff Metering
  • Teleprotection for 66kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization
  • Integration of weather forecast data to ensure grid code compliance

Turn in Line Design
  • Tower spotting, Line Profiles & Tying into existing Eskom line
  • PLS CAD Work, Stringing charts, tower selection, etc
  • Specification of all components, constructability, etc
  • Foundation design & Geotechnical aspects

SA Grid Code Studies and Design Interconnection Substation and Power Line 70MW Wind Farm near Victoria West, Northern Cape

Grid Code Compliance and Compilation of Protection, Metering, Telecontrol and Telecommunication Philosophies
  • Ensure that all infrastructure is planned and designed to ensure compliance with South African Grid Codes
  • Protection, Protection, Metering, DC & AC Distribution, Telecontrol in Eskom portion of the facility
  • Protection, Metering, DC & AC Distribution, Telecontrol in Wind Farm portion of the facility

Preliminary and Detailed Primary Plant Design
  • Design of Bulk Civil Works, Access Roads, Drainage, etc of Substation platform to accommodate Eskom 66kV Switch Yard, as well as Wind Farm 132/33kV Collector Substation
  • Design of Substation Buildings (Eskom & Wind Farm Side)
  • Substation earth mat design for entire High Voltage Yard
  • Specification of all major High Voltage equipment, layout, elevations, stringing, etc
  • MV Switchgear Specification & Electromechanical works for Substation

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes
  • Phase 4‐Distance/Current Differential Protection schemes, Phase 4‐transformer and tap changer protection and control schemes, Phase 4‐33 kV Reticulation feeder protection schemes, Phase 4 Buszone protection schemes
  • AC and DC Auxiliary Supplies & Distribution
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical and Tariff Metering
  • Teleprotection for 132kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization
  • Integration of weather forecast data to ensure grid code compliance

Turn in Line Design
  • Tower spotting, Line profiles & Tying into existing Eskom Line
  • PLS CAD Work, Stringing charts, tower selection, etc
  • Specification of all components, constructability, etc Foundation design & Geotechnical aspects

Durban Harbour  Incoming Supply Cable Feed

Feasibility Study
  • Route Selection
  • Cable Sizing
  • Liaison with key stakeholders at Transnet and eThekwini Municipality

Design
  • Design of cable for fault and current ampacity
  • Calculation of sheath voltages
  • Double Point cross bonding details
  • Joint pit designs and jointing details
  • Cable termination details and earthing

Compilation of Detailed Specifications and Technical Schedules for
  • 132kV power cable (XLPE, armoured, full water blocked, graphite coated)
  • Cable termination kits
  • Jointing kits and details

Appointed for Full Construction Supervision

City of uMhlathuze Network Audit

Audit
  • Undertook network audit of 103km of overhead 132kV powerlines
  • Helicopter patrol of line undertaking a full scan form the base to top of tower
  • Reported on integrity of tower footing resistances, foundations and anchor bolts, anti‐climbing devices, steel members on lattice towers, conductor attachment hardware, earth peaks, conductor and OPGW
  • High‐definition videos of the scanning as well as infra‐red scanning undertaken for corona discharge detection.
  • UV and IR imagery provided
  • Compiled detailed report showing deficiencies and proposing remedial action plans
  • Undertook study to optimize network and compiled refurbishment plan.

Design of 16.4km of 132kV LineHotazel/Eldoret 132kV Power Line

  • Selection of Power Line Route
  • Optimization of Line Route
  • Preliminary and Detailed Engineering of Powerline using Tern conductor and OPGW on single steel monopoles
  • Compilation of Final Design Package with detailed specifications, Bill of Materials and Bill of Quantities
  • Constructability Plan complete with risk analysis
  • Detailed costing for the project

PLS CADD Design for 16.4km powerline using guyed monopole structures
  • Feature Coding
  • Tower Spotting
  • Line Profiling
  • Blowout and Clearance Calculations
  • PLS CADD structure files
  • Conductor and OPGW criteria files
  • Staking Reports

Design of 12km of 132kV LineMoffat/Mothibistat 132kV Power Line

  • Selection of Power Line Route
  • Optimization of Line Route
  • Preliminary and Detailed Engineering of Powerline using Tern conductor and OPGW on single steel monopoles
  • Compilation of Final Design Package with detailed specifications, Bill of Materials and Bill of Quantities
  • Constructability Plan complete with risk analysis
  • Detailed costing for the project

PLS CADD Design for 16.4km powerline using guyed monopole structures
  • Feature Coding
  • Tower Spotting
  • Line Profiling
  • Blowout and Clearance Calculations
  • PLS CADD structure files
  • Conductor and OPGW criteria files
  • Staking Reports

Re‐Configuration of Briers/Muldersvlei 1 132kV Line and Design of 132kV Turn in Lines to Greenville Substation

  • Selection of Power Line Route
  • Optimization of Line Route
  • Preliminary and Detailed Engineering of Powerline using Tern conductor and OPGW on single steel monopoles
  • Compilation of Final Design Package with detailed specifications, Bill of Materials and Bill of Quantities
  • Constructability Plan complete with risk analysis
  • Detailed costing for the project
  • Design of 132kV underpass underneath 3x400kV transmission powerlines
  • Facilitated all communication between Eskom Distribution and Eskom Transmission
  • Generated detailed specifications and tender documentation for enquiry
  • Managed tender process and adjudicated received tenders
  • Complete project and construction management

PLS CADD Design for 15km powerline using guyed monopole structures
  • Feature Coding
  • Tower Spotting
  • Line Profiling
  • Blowout and Clearance Calculations
  • PLS CADD structure files
  • Conductor and OPGW criteria files
  • Staking Reports

Project Management Appointment for 52km of single circuitChicadee 132kV power line complete with 48‐core OPGW

  • Construction project management
  • Contracts management
  • Materials management
  • Clerk of works
  • Quality management

Sub Consultant for Design Activities to Edison Jehamo Power (Pty) Ltd

PLS CADD Design for 2.5km double circuit steel lattice twin Tern line
  • Feature Coding
  • Tower Spotting
  • Line Profiling
  • Blowout and Clearance Calculations
  • PLS CADD structure files
  • Conductor and OPGW criteria files
  • Staking Reports

Project ManagementAppointment

8.5km Dual Circuit Tee‐Off from the Nkonka‐Oribi 132kV Wolf line with 7/3.65 earth wire on one circuit and OPGW and the 2nd. Self supporting series 245 steel lattice tower
  • Co‐ordination and planning of Preliminary and detailed design. Co‐ordination of and input into Environmental Impact Assessments and compilation of Environmental Management Plan.
  • Tender documentation, tender adjudication
  • Construction supervision, Quality Assurance management
  • Co‐ordination of environmental monitoring, outage planning, co‐ordination and monitoring.

Project ManagementAppointment

13km of lattice steel 88kV line
  • Co‐ordination and planning of Preliminary and detailed design. Co‐ordination of and input into Environmental Impact Assessments and compilation of Environmental Management Plan.
  • Tender documentation, tender adjudication
  • Construction supervision, Quality Assurance management

Project ManagementAppointment

  • Co‐ordination and planning of Preliminary and detailed design. Co‐ordination of and input into Environmental Impact Assessments and compilation of Environmental Management Plan.
  • Tender documentation, tender adjudication
  • Construction supervision, Quality Assurance management

Project ManagementAppointment

  • Co‐ordination and planning of Preliminary and detailed design. Co‐ordination of and input into Environmental Impact Assessments and compilation of Environmental Management Plan.
  • Tender documentation, tender adjudication
  • Construction supervision, Quality Assurance management

Durban Harbour 132/33 2x90MVA and 33/11 2x 20MVA Substations

Feasibility Study
  • Site Selection; Substation Configuration; Transformer Capacity; Switchgear Design, etc
  • Integration to existing Transnet Harbour Electrical Network
  • Presentation to Client Bodies and Key Stakeholders

Full Electrical Network Model
  • Model existing Network on ETAP and integrate new infrastructure
  • Undertake all transient and steady state studies of the network and system behaviour
  • Integrate 4x 4MW Diesel Generators into the system

Protection Study and Grading
  • Develop protection philosophy for the entire 132 and 33kV systems and select protection functions for protection of the power system
  • Undertake full system study and discriminate and coordinate the 132, 33, 11 and 6.6kV systems
  • Generate protection settings and grading curves

Compilation of Detailed Specifications and Technical Schedules for
  • 70/90MVA 132/33kV Power Transformer with On‐Load Tap Changer
  • 132kV equipment (circuit breakers, disconnectors, Current Transformers, Voltage Transformers, Surge Arrestors, etc)
  • 33kV equipment (NECRT, Surge Arrestors, 33kV XLPE cables, indoor switchgear)
  • 11kV equipment (NECRT, Surge Arrestors, 11kV XLPE cables, indoor switchgear)
  • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
  • Metering Equipment (Meters, Quality of Supply)

Preliminary and Detailed Primary Plant Design (Some Activities in progress)
  • Substation Site, drainage, elevations, and setting out for:
    • 2 x Incoming 132kV line Bays,
    • 132kV Tubular busbar with twin bus‐section isolators,
    • 2x 132/33kV transformer bays,
    • 2 x 90MVA 132/33kV Transformers + OLTC,
    • 2x 20MVA 33/11kV transformer with OLTC.
  • Technical Input to Design of Substation building
  • Technical Input to Design of platform and bulk civil works
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Technical Input to Design of oil containment system
  • Technical Input to Yard fencing design
  • Technical Input to Access roads
  • Cable Calculation study
  • Generate detailed specifications for tender
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project
  • Protection for all power plant equipment which includes
    • Current Differential Protection schemes,
    • Transformer and tap changer protection and control schemes,
    • Reticulation feeder protection schemes,
    • Buszone and Buscoupler protection schemes
  • AC and DC Auxiliary Supplies
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical Metering
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization

Appointed for Full Construction Supervision

Richards Bay Industrial Development Zone 132/11kV Substation Establishment

Feasibility Study
  • Site Selection
  • Substation Configuration
  • Integration to existing RBIDZ Network
  • Presentation to Client Bodies and Key Stakeholders

Compilation of Detailed Specifications and Technical Schedules for
  • 40MVA 132/22kV Power Transformer,
  • On‐Load Tap Changer,
  • 132kV equipment (circuit breakers, disconnectors, Current Transformers, Voltage Transformers, Surge Arrestors, etc)
  • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
  • Metering Equipment (Meters, Quality of Supply)

Preliminary and Detailed Primary Plant Design
  • Substation Site, drainage, elevations, and setting out for:
    • 2 x Incoming 132kV line Bays,
    • 132kV Tubular busbar with twin bus‐section isolators
    • 2x 132/11kV transformer bays,
    • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
    • 2 x 40MVA 132/11kV Transformers + OLTC, substation building with indoor 11kV switchgear
  • Design of platform and bulk civil works
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Substation building design and structural analysis
  • Design of oil containment system
  • Yard fencing design
  • Access roads
  • Cable Calculation study
  • Generated detailed specifications for tender
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes
    • Phase 4‐Distance/Current Differential Protection schemes,
    • Phase 4‐transformer and tap changer protection and control schemes,
    • Phase 4‐11 kV Reticulation feeder protection schemes
    • Phase 4 Buszone and Buscoupler protection schemes
  • AC and DC Auxiliary Supplies
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical Metering
  • Teleprotection for 132kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization

Appointed for Full Project Management and Construction Supervision

Avondale 132/33/11kV Substation

Detailed Primary Plant Design
  • Bulk Civil Works and Platform Design
  • Substation Drainage
  • Oil Containment System
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Full Electrical design
  • Substation building design and structural analysis (Building with switchgear room, control room, offices, storage rooms, kitchen and ablutions,
  • Yard fencing design
  • Access roads

City of uMhlathuzeNetwork Audit

Audit
  • Undertook network audit of 7x 132/11kV Substation and 5x 132kV switching stations
  • Visited substation and reported on integrity of primary and secondary plant systems, security, environmental compliance, safety, documentation, etc.
  • Compiled detailed report detailing maintenance and refurbishment plans, prioritization of projects, optimization of network
  • Reported on insulation coordination of the entire system, earthing at substations, lightning protection, safety hazards, oil containment, etc
  • Report was used to generate master plan for refurbishment at the municipality.

Skaapvlei 132/22kV Substation

Preliminary and Detailed Primary Plant Design
  • Bulk Civil Works and Platform Design for extension to substation platform to facilitate the introduction of a new 10MVA 132/22kV transformer
  • Extension of the 132kV busbar to accommodate the new transformer bay
  • Design of a new 22kV XLPE cable to the customer (Tormin Mines)
  • Substation Drainage
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Full Electrical design
  • Access roads
  • Liaisons with Client Bodies – presentation of alternative designs and options and receiving approval for detailed engineering designs to commence.

Preliminary and Detailed Control Plant Design
  • Compiled Protection philosophy of system and presented to key stakeholders
  • Generated detailed specifications for the control plant equipment
  • Designed new transformer and tap changer protection schemes, feeder scheme to protect 22kV cable, ac and dc auxiliaries and substation Scada and automation.

Skaapvlei22/11kV and 2x10MVA Substations

Compilation of Detailed Specifications and Technical Schedules for
  • 10MVA 22/11kV Power Transformer,
  • On‐Load Tap Changer,
  • 22kV equipment (Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • 11kV equipment (NECRT, Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
  • Metering Equipment (Meters, Quality of Supply)
  • Review and Acceptance of Manufacturer Drawings

Preliminary and Detailed Substation Design
  • Modification to existing substation.
  • Extended substation platform to include second 22/11kV 10MVA transformer
  • Design of platform and bulk civil works for extended section of platform
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Engineering studies for modification to the substation building design
  • Yard fencing design
  • Secondary Plant Design (Protection, Metering, Scada and Automation)
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project

Project Management and Construction Supervision
  • Construction Supervision of the construction works

Lydenburg Town22/11kV, 2x10MVA Substation

Compilation of Detailed Specifications and Technical Schedules for
  • 10MVA 22/11kV Power Transformer,
  • On‐Load Tap Changer,
  • 22kV equipment (Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • 11kV equipment (NECRT, Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
  • Metering Equipment (Meters, Quality of Supply)
  • Review and Acceptance of Manufacturer Drawings

Preliminary and Detailed Substation Design
  • Design of platform and bulk civil works
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Substation building design and structural analysis
  • Yard fencing design
  • Access roads
  • Secondary Plant Design (Protection, Metering, Scada and Automation)
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project

Project Management and Construction Supervision
  • Construction Supervision of the construction works

Mashishing22/11kV, 2x10MVA Substation

Compilation of Detailed Specifications and Technical Schedules for
  • 10MVA 22/11kV Power Transformer,
  • On‐Load Tap Changer,
  • 22kV equipment (Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • 11kV equipment (NECRT, Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
  • Metering Equipment (Meters, Quality of Supply)
  • Review and Acceptance of Manufacturer Drawings

Preliminary and Detailed Substation Design
  • Design of platform and bulk civil works
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Substation building design and structural analysis
  • Yard fencing design
  • Access roads
  • Secondary Plant Design (Protection, Metering, Scada and Automation)
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project

Project Management and Construction Supervision
  • Construction Supervision of the construction works

Duma 132/22kV Sub‐ Station 2x 40MVA Substation

Compilation of Detailed Specifications and Technical Schedules for
  • 40MVA 132/22kV Power Transformer,
  • On‐Load Tap Changer,
  • 132kV equipment (circuit breakers, disconnectors, Current Transformers, Voltage Transformers, Surge Arrestors, etc)
  • 22kV equipment (NECRT, Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
  • Metering Equipment (Meters, Quality of Supply)
  • Review and Acceptance of Manufacturer Drawings

Preliminary and Detailed Substation Design
  • Design of platform and bulk civil works
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Substation building design and structural analysis
  • Yard fencing design
  • Access roads
  • Secondary Plant Design (Protection, Metering, Scada and Automation)
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes
    • Phase 4‐Incomer Protection schemes,
    • Transformer Protection schemes,
    • Tap Changer Protection Schemes
    • 132kV Busbar Protection Scheme
    • 132kV Tariff Metering,
    • 132kV Statistical Metering
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  • AC and DC Auxiliary Supplies
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical Metering
  • Teleprotection for 132kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization

Project Management and Construction Supervision
  • Construction Supervision of the construction works

Duma 132kV Switching Station

Compilation of Detailed Specifications and Technical Schedules for
  • 40MVA 132/22kV Power Transformer,
  • On‐Load Tap Changer,
  • 132kV equipment (circuit breakers, disconnectors, Current Transformers, Voltage Transformers, Surge Arrestors, etc)
  • 22kV equipment (NECRT, Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
  • Metering Equipment (Meters, Quality of Supply)
  • Review and Acceptance of Manufacturer Drawings

Preliminary and Detailed Primary Plant Design
  • Substation Site, drainage, elevations, and setting out for:
    • 2 x Incoming 132kV line Bays
    • 132kV Tubular busbar with twin bus‐section isolators
    • 132kV Feeder Bay to the Customer
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Substation building design and structural analysis
  • Yard fencing design
  • Access roads
  • Secondary Plant Design (Protection, Metering, Scada and Automation)
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes
    • Phase 4‐Incomer Protection schemes,
    • Transformer Protection schemes,
    • Tap Changer Protection Schemes
    • 132kV Busbar Protection Scheme
    • 132kV Tariff Metering,
    • 132kV Statistical Metering
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  • AC and DC Auxiliary Supplies
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical Metering
  • Teleprotection for 132kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization

Project Management and Construction Supervision
  • Compilation of all tender documents
  • Management of tender process and evaluation of Tenders
  • Complete Project Management of the construction works
  • Construction supervision

Turnkey AppointmentGreenville 132/11kV Substation Establishment

Compilation of Detailed Specifications and Technical Schedules for
  • 40MVA 132/22kV Power Transformer,
  • On‐Load Tap Changer,
  • 132kV equipment (circuit breakers, disconnectors, Current Transformers, Voltage Transformers, Surge Arrestors, etc)
  • 22kV equipment (NECRT, Surge Arrestors, 22kV XLPE cables, indoor switchgear)
  • Secondary Plant (Transformer Protection schemes, tap changer protection schemes, busbar protection schemes, feeder protection schemes, Scada and automation control equipment)
  • Metering Equipment (Meters, Quality of Supply)
  • Review and Acceptance of Manufacturer Drawings

Preliminary and Detailed Primary Plant Design
  • Substation Site, drainage, elevations, and setting out for:
    • 2 x Incoming 132kV line Bays
    • 132kV Tubular busbar with twin bus‐section isolators
    • 132kV Feeder Bay to the Customer
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis in accordance with SANS 62305
  • Lighting Study
  • Substation building design and structural analysis
  • Yard fencing design
  • Access roads
  • Secondary Plant Design (Protection, Metering, Scada and Automation)
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes
    • Phase 4‐Incomer Protection schemes,
    • Transformer Protection schemes,
    • Tap Changer Protection Schemes
    • 132kV Busbar Protection Scheme
    • 132kV Tariff Metering,
    • 132kV Statistical Metering
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  • AC and DC Auxiliary Supplies
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical Metering
  • Teleprotection for 132kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization

Project Management and Construction Supervision
  • Compilation of all tender documents
  • Management of tender process and evaluation of Tenders
  • Complete Project Management of the construction works
  • Construction supervision

Harbour West 132/11kV Substation Establishment

Preliminary and Detailed Primary Plant Design
  • Substation Site, drainage, elevations, and setting out for:
    • 2 x Incoming 132kV line Bays
    • 132kV Tubular busbar with twin bus‐section isolators
    • 2x 132/11kV transformer bays,
    • 2x 40MVA 132/11kV Transformers + OLTC,
    • substation building with indoor 11kV switchgear
  • Modification to existing 11kV switchgear – Saved Client in excess of R15 million from purchasing new switchgear and constructing new substation building
  • Special design using Hybrid type switchgear
  • Substation earth mat design and calculations of GPR rise, step and touch potentials
  • Lightning analysis
  • Lighting Study
  • Substation building design
  • Yard fencing design
  • Access roads
  • Generated detailed specifications for tender
  • Review of EPC Contractor’s design, commenting and approval

Preliminary and Detailed Control Plant Design
  • Developed Protection philosophy
  • Generated detailed protection specifications

Project Management and Construction Supervision
  • Compilation of all tender documents and management of Tender Process
  • Complete Project Management of the construction works
  • Construction supervision

Turnkey AppointmentGingindlovu 132/88/22/11kV Substation Establishment

Preliminary and Detailed Primary Plant Design
  • Substation Site, drainage, elevations, and setting out for:
    • Double 132kV Busbar with Buscoupler,
    • Double 88kV Busbar with Buscoupler,
    • 2 x 132kV Line Bays with Single Pole Tripping,
    • 3 x 88kV Line Bays,
    • 2 x 80MVA 132/88/22kV Transformers + OLTC,
    • 1 x 20MVA 132/11kV Transformer + OLTC,
    • 5 x 11kV Feeder Bays
  • Substation earth mat design
  • Control Room building and yard fencing design
  • Access roads designs
  • Generated detailed specifications for tender
  • Compilation of detailed Bill of Materials and Bill of Quantities
  • Detailed costing of project

Preliminary and Detailed Control Plant Design
  • Protection for all power plant equipment which includes
    • Phase 4‐Distance/Current Differential Protection schemes
    • Phase 4‐transformer and tap changer protection and control schemes,
    • Phase 4‐11 kV Reticulation feeder protection schemes,
    • Phase 4 Buszone and Buscoupler protection schemes,
  • AC and DC Auxiliary Supplies
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical Metering
  • Teleprotection for 132kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronisation

Project Management and Construction Supervision
  • Compilation of all tender documents and management of Tender Process
  • Complete Project Management of the construction works
  • Construction supervision

Turnkey AppointmentMandini 132/88/11 Substation Upgrade

Preliminary and Detailed Primary Plant Design
  • Extension to Substation Site, drainage, elevations, and setting out for:
    • Extension of Double 132kV Busbar with Buscoupler,
    • 2 x new 132kV Line Bays with Single Pole Tripping with additional space for 6 x 132kV future Line Bays,
    • 1 x 20MVA 132/11kV Transformer + OLTC,
    • 5 x 11kV Feeder Bays
  • Decommissioning of 48MVar capacitor bank; 2 x 15MVA 132/88/6.6kV transformers + OLTC; 11kV Indoor switchboard.
  • Substation earth mat design
  • Complete refurbishment of primary plant equipment (CT’s, VT’s, isolators, insulators, hardware and conductors)
  • Replacement of Yard fencing
  • Access Roads

Preliminary and Detailed Control Plant Design
  • Complete Protection Upgrade and Refurbishment
  • Decommissioning of all existing protection schemes and replacement with:
    • Phase 4‐Distance/Current Differential Protection schemes
    • Phase 4‐transformer and tap changer protection and control schemes
    • Phase 4‐11 kV Reticulation feeder protection schemes,
    • Phase 4 Buszone and Buscoupler protection schemes
  • AC and DC Auxiliary Supplies
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical Metering
  • Teleprotection for 132kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronisation

Project Management and Construction Supervision
  • Compilation of all tender documents and management of Tender Process
  • Complete Project Management of the construction works
  • Construction supervision

Turnkey AppointmentDriefontein 132/33/22/11kV Substation Refurbishment

Preliminary and Detailed Primary Plant Design
  • Modification to132kV busbar columns and beams
  • Decommissioning of:
    • 33kV Line VT’s and NEC’s on both 40MVA 132/33kV transformers 1 and 2;
    • 33kV feeder bay 3 to Kwadukuza Municipality;
    • line VT’s on 33kV feeder bays 1 and 2 to Kwadukuza Municipality,
    • 11kV NB22, 11kV auxiliary transformer
  • Establishment of:
    • New CT’s, circuit breakers, isolators and NECRT’s in transformer 1 and 2 bays and transformer 11 bay
    • New 11kV NB22 feeder
    • New 33kV and 11kV busbar VT’s
  • Replacement of all glass insulators, hardware and restringing of substation bays

Preliminary and Detailed Control Plant Design
  • Upgrade of all Protection which includes
    • Phase 4‐transformer and tap changer protection and control schemes,
    • Phase 4 ‐ 33 kV Reticulation feeder protection schemes
    • Phase 4 ‐ 11 kV Reticulation feeder protection schemes
  • AC and DC Auxiliary Supplies
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical Metering
  • Teleprotection for 132kV Lines
  • Complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronisation

Project Management and Construction Supervision
  • Compilation of all tender documents and management of Tender Process
  • Complete Project Management of the construction works
  • Construction supervision

Design Appointment for Substation Platform

Site Platform and Access Design
  • Site investigation to undertake:
    • geotechnical assessment of soil conditions
    • soil resistivity tests
    • environmental impact assessment
  • Design of the new access roads off the R61 road to Lusikisiki
  • Design of the new platforms based on results obtained from the geotechnical survey and soil resistivity tests; and done to SABS 1200.

Turnkey Appointment

Preliminary and Detailed Primary Plant Design
  • Detailed design to extension of Substation Terrace and Yard to accommodate an additional 4 x 132kV Line Bays (2 Line Bays fully equipped and 2 line bays vacant for future use)
  • Earth mat design
  • Extension of 132kV double busbar
  • Installation of Line Traps and Coupling Capacitors on 2 x 132kV Line Bays
  • Conversion of existing 132kV incoming line bay to an outgoing 132kV line bay to a new substation

Preliminary and Detailed Control Plant Design
  • Design of 132kV Distance feeder protection schemes using REL 511 relays
  • Design of teleprotection using Power Line Carrier and X.21 over Fibre Optic
  • AC and DC Auxiliary Supplies and Statistical Metering
  • Pilot Design for complete Substation Automation for SCADA, Remote Engineering Access and Time Synchronization

Project Management and Construction Supervision
  • Compilation of all tender documents and evaluation of Tenders
  • Complete Project Management of the construction works and complete construction

Design and Project Management Appointment

Preliminary and Detailed Primary Plant Design
  • New 132/11kV, 2 x 20MVA Substation
  • 2x 132kV Line Bays (one equipped with a line trap and coupling capacitor)
  • 2 x 11kV Line Bays
  • 132kV busbar
  • Earthmat design
  • Substation control room design
  • Yard fencing and access
Substation was erected for a direct customer; Idwala Carbonates who elected to construct the substation platform

Preliminary and Detailed Control Plant Design
  • 132kV Distance Protection scheme on the Nkonka feeder with Power Line Carrier
  • 132kV Current differential scheme on the second 132kV feeder
  • Phase 3‐transformer and tap changer protection and control scheme
  • Phase 3 high impedance 132kV buszone scheme
  • Fibre optic communication for the 2nd 132kV feeder
  • Telecontrol Design using DRTU
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical and Tariff metering

Project Management and Construction Supervision
  • Compilation of all tender documents and evaluation of Tenders
  • Complete Project Management of the construction works
  • Construction supervision

Design and Project Management Appointment

Preliminary and Detailed Primary Plant Design
  • New 132/22kV, 20MVA Substation
  • Substation Site, level and drainage design
  • 1 x 132kV Line Incoming Line Bay from Makhathini substation
  • 1 x 132kV Line Line Bay to Ndumo substation
  • 132kV busbar
  • 22kV busbar with transfer capabilities
  • 4 x 22kV Line Bays
  • Earthmat design
  • Substation control room design
  • Yard fencing and access

Preliminary and Detailed Control Plant Design
  • 132kV Distance Protection schemes
  • Phase 3‐transformer and tap changer protection and control scheme
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Telecontrol Design using DRTU
  • Substation Statistical and Tariff metering

Project Management and Construction Supervision
  • Compilation of all tender documents and evaluation of Tenders
  • Complete Project Management of the construction works
  • Construction supervision

Design and Project Management Appointment

Preliminary and Detailed Primary Plant Design
  • Establishment of a new 88/11kV 20MVA transformer bay
  • Establishment of a new 88/11kV 10MVA transformer bay (relocation of existing 10MVA transformer to new transformer bay)
  • New 11kV busbar using A‐Frames
  • Decommissioning of 2 x 2.5MVA transformers
  • Replacement of all insulators, hardware and conductors in the substation
  • New columns and beams for the 88kV configuration
  • Improvements to the access roads, kerbing and yard stoning
  • Earthmat design
  • Modification to the existing substation control room to house new protection equipment
  • Yard fencing

Preliminary and Detailed Control Plant Design
  • New transformer and tap changer control and protection schemes
  • Telecontrol Design using DRTU
  • Sizing and design for AC and DC distribution panels and substation batteries
  • Substation Statistical and Tariff metering

Project Management and Construction Supervision
  • Compilation of all tender documents and evaluation of Tenders
  • Complete Project Management of the construction works
  • Construction supervision

Primary Plant Design and Project Management Appointment

Preliminary and Detailed Primary Plant Design
  • New 88/22kV, 20MVA Substation
  • 22kV busbar
  • 4 x 22kV Feeder
  • Substation Site, level and drainage design
  • Earthmat design
  • Substation control room design
  • Yard fencing and access

Project Management and Construction Supervision
  • Compilation of all tender documents and evaluation of Tenders
  • Complete Project Management of the construction works
  • Construction supervision

Primary Plant Design andProject Management Appointment

Preliminary and Detailed Primary Plant Design
  • New 88/22kV, 20MVA Substation
  • 22kV busbar
  • 5 x 22kV Feeder
  • Substation Site, level and drainage design
  • Earthmat design
  • Substation control room design
  • Yard fencing and access

Project Management and Construction Supervision
  • Compilation of all tender documents and evaluation of Tenders
  • Complete Project Management of the construction works
  • Construction supervision