Diagnosis and Repair of Traction Transformers.
Transnet
Compulsory briefing — you must attend to bid
16 July 2026 at 12:00 · Cradock Substation
In plain English
Diagnosis and repairs of 132kV/25kV traction transformers at Cradock Substation. Bidders must be registered on the National Treasury's Central Supplier Database.
Always check the official documentDescription
Transnet SOC Ltd is inviting bids for the diagnosis and repair of 132KV/25KV traction transformers at the Cradock Substation. The project includes supplying and delivering transformer oil, performing vacuum oil filling, and conducting technical tests such as ratio, insulation, and SFRA testing. Additionally, the contractor must install PCB control cables and construct oil containment pits. The work is governed by an NEC3 contract. Bidders must attend a compulsory site briefing to qualify for the project.
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 3 Electrical Engineering (Infrastructure) (3EP)) — 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
- CIDB grading of 3EP or higher
- Must be registered on the Central Supplier Database (CSD)
- Valid Tax Clearance Certificate and TCS PIN
- Valid B-BBEE certificate or sworn affidavit
- Valid Letter of Good Standing (COIDA)
- Minimum three years of audited financial statements
- Key personnel must hold relevant engineering degrees, trade certificates, and safety certifications
Contact & how to apply
Name: Zamanyambose Mtetwa
Email: Zamanyambose.mtetwa@Transnet.net
Phone: 041-507-2724
How to apply: Applications must be submitted electronically via the Transnet e-Tender Submission Portal at https://transnetetenders.azurewebsites.net before the closing date of 24 July 2026 at 10:00am.
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