Testing and Repair of Thabazimbi Transformer Substation.
Transnet
Compulsory briefing — you must attend to bid
12 November 2026 at 10:30 · Pyramid South, Petronella Substation, 25°31’54.00”S, 28°14’58.76”E
In plain English
Transnet is procuring services for testing, repair, and commissioning of a 20MVA transformer substation at Koedoespoort Depot. Bidders must be registered on the National Treasury’s Central Supplier Database.
Always check the official documentDescription
Transnet Rail Infrastructure Manager invites tenders for the testing, repair, and commissioning of a 20MVA transformer substation at the Koedoespoort Depot. The project includes transporting the transformer, mechanical and electrical diagnostics, refurbishment, and the installation of new bushings. The contractor must supply and fill the unit with PCB-free mineral oil and perform all necessary factory and site acceptance tests. Work is scheduled to commence in November 2026 and must be completed by 28 February 2027. The project requires specialized workshop resources and qualified personnel, including winders and protection testing engineers, to ensure the transformer meets all operational standards.
What you need to qualify
- CSD registration — Registration on the Central Supplier Database — required to do business with government.
- Tax clearance — A valid SARS tax compliance status (PIN) showing your tax affairs are in order.
- B-BBEE certificate — A B-BBEE certificate or sworn affidavit confirming your contribution level.
- CIDB grading (Grade 4 Electrical Engineering (Infrastructure) (4EP)) — A Construction Industry Development Board grade in the right class of works.
- Letter of Good Standing — COID registration and a Letter of Good Standing from the Compensation Fund.
Full requirements
- Attend compulsory clarification meeting
- Valid Tax Clearance Certificate and TCS PIN
- Registered on National Treasury Central Supplier Database (CSD)
- Valid CIDB grading of 4EP or higher
- Valid B-BBEE certificate or sworn affidavit
- Valid Letter of Good Standing with Workmen Compensation Fund
- Audited financial statements for the last three years
- Qualified key workshop personnel with relevant CVs
- Proof of ownership or lease for required workshop equipment
Contact & how to apply
Name: dudu mkhwebane
Email: dudu.mkhwebane@transnet.net
Phone: 012-315-2141
How to apply: Applications must be submitted electronically via the Transnet e-Tender Submission Portal at https://transnetetenders.azurewebsites.net. Bidders must register on the portal and log an intent to respond before uploading their documents.
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