Testing and Repair of Transformers at Substations
Transnet
Compulsory briefing — you must attend to bid
7 August 2026 at 10:00 · 151 South Coast Road, Loliwe House, Durban 4001
In plain English
Transnet is procuring services for testing, repair, and commissioning of transformers at Cavendish A Unit and Georgedale Substation. Bidders must be registered on the National Treasury’s Central Supplier Database.
Always check the official documentDescription
Transnet Rail Infrastructure Manager is inviting bids for the testing, repair, and commissioning of 3kV DC traction transformers. The work will take place at the Cavendish A Unit and Georgedale Substation in KwaZulu-Natal. Key deliverables include mechanical and electrical repairs, oil purification and replacement, site painting, and comprehensive electrical testing. The project requires specialized technical expertise to ensure the equipment meets safety and operational standards. The contract follows an NEC3 Term Service model, and the work must be completed according to strict quality and environmental guidelines. The tender is open to qualified contractors with relevant electrical engineering experience.
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 2 Electrical Engineering (Infrastructure) (2EP)) — 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.
- Other registration — An industry registration the tender requires (e.g. PSIRA, NHBRC, a professional or trade licence).
Full requirements
- CIDB grading of 2EP or higher
- Valid Tax Clearance Certificate and TCS PIN
- Registered on the Central Supplier Database (CSD)
- Valid COIDA Letter of Good Standing
- Valid B-BBEE certificate or sworn affidavit
- Proof of required motor vehicle and project insurance
- Attendance of compulsory site briefing
Contact & how to apply
Name: Thembinkosi Ngcobo
Email: thembinkosi.ngcobo@transnet.cet
Phone: 031-361-4023
How to apply: Bidders must register on the Transnet e-Tender Submission Portal at https://transnetetenders.azurewebsites.net. After registering, log an intent to bid and upload all required documents. Submissions must be completed at least one day before the closing date of 14 August 2026.
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