PrEng-led Soil Resistivity Testing for Earthing Design.
PrEng-led field testing, engineering interpretation and earthing-design support for substations, mines, solar and BESS projects, industrial facilities and infrastructure across South Africa and selected Southern African locations.
Completed work includes Smart Schools, Sturrock Dry Dock, New Burgersfort Landfill and the Fungurume Electrification Project.
PrEngEngineering leadership
20+ yearsIndustrial experience
Wenner four-pinSoil-resistivity testing
MININGINDUSTRIALINFRASTRUCTUREENERGYCOMMERCIAL
Core services
From field measurement to an implementable design.
Start with defensible site data, then add the engineering scope your project actually needs. Testing, design, review and commissioning are quoted as clear work packages.
One accountable engineering workflow, with clearly defined outputs at every stage.
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Soil resistivity testing
Four-terminal field testing at planned electrode spacings to provide the measurements needed for soil interpretation and earthing-system design.
Test arrangements, recorded readings and the equipment used in our fieldwork.
Test arrangementStakes, connecting leads and instrument at the test location.Recording readingsMeasurements recorded in a notebook during fieldwork.Equipment preparationInstrument, accessories and field records assembled on site.
Field test preparation
A short on-site view of the instrument, leads and stake preparation. 9 seconds · No audio.
Testing and engineering methods are selected to suit the installation and client requirements. Applicable standards and current editions are confirmed at appointment, including IEEE, IEC and SANS requirements where relevant.
Why Mshezi Projects
Senior engineering judgement stays close to the work.
Mshezi Projects combines field testing with more than two decades of electrical engineering and leadership experience across mining, energy, oil and gas, and industrial environments.
Clients engage a technically led business able to understand the measurement, challenge weak assumptions and connect findings to the wider electrical design.
Scope & pricing
Know what you are commissioning.
Indicative soil-resistivity surveys from R18,500 excl. VAT, before mobilisation and travel. Final pricing depends on site extent, access, test lines and reporting scope.
The starting figure is a budget indication, not a fixed survey package. Your quotation will specify the number of test lines, electrode-spacing range, fieldwork allowance, report content and delivery date.
FIELD TESTING
Testing & reporting
For consulting engineers, EPCs and contractors who need site measurements before design.
Agreed test lines and electrode spacings
Recorded readings and apparent-resistivity results
Report with site conditions and limitations
Quoted separately: travel, inductions, additional test lines, remobilisation and engineering design.
ENGINEERING
Testing + design
For projects requiring measurements translated into an agreed engineering solution.
Testing scope plus defined design assessment
Layouts, calculations and material schedule as agreed
Review stages and document list agreed upfront
Not automatically included: installation, commissioning, certification or third-party approval.
What changes the fee? Location and travel • site area and test access • number of test lines • maximum electrode spacing • permits and inductions • design complexity • reporting requirements and programme.
No. Soil resistivity describes soil behaviour and is expressed in Ω·m. Earth resistance is a measurement of an installed electrode or system in Ω. One test does not automatically replace the other.
Does a low earth-resistance reading prove the design is safe?
No. The assessment may also require fault current, protection clearing time, bonding, touch and step voltages, and installation-specific requirements. A single resistance target is not a complete design basis.
What should I send for a quotation?
Site location, layout, proposed equipment or structure, access restrictions, required deliverables and target date. If you do not know the test spacings or number of lines, say so: these need to be agreed as part of the scope.
How are calibration and quality requirements handled?
The survey uses an identified instrument, a documented test arrangement and recorded field conditions. Include any instrument-calibration and traceability requirements in your brief so the supporting records can be reviewed before mobilisation.
Can I appoint Mshezi Projects as a subcontractor?
Yes. Mshezi Projects completed soil-resistivity testing for the Fungurume Electrification Project under a subcontract awarded by Werkman DRC, the appointed main contractor. Agree interfaces, report ownership and deliverables before appointment.
Where are projects supported?
Enquiries are welcomed for Johannesburg and other project locations. Travel, mobilisation, access and availability are confirmed in the quotation.
Can I see supporting project information?
Read the project summaries and reporting guide, then request the supporting information relevant to your appointment. Client-specific records are shared with the appropriate permission.
Start with the site details
Request a project quotation.
Start with a brief description. We will clarify the survey extent, access requirements and deliverables with you.
What happens next: we review your brief, clarify access and deliverables, then prepare a scoped quotation. Include your required site date so availability can be confirmed.
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