Design and Commissioning of 3kV DC Traction Substation.
Transnet
Compulsory briefing — you must attend to bid
15 July 2026 at 11:00 · Welgedag Substation, Coordinates: -26.208018, 28.489126
In plain English
Transnet is procuring the design, supply, installation, testing, and commissioning of 3Kv DC traction substation equipment at Welgedag. Bidders must be registered on the National Treasury's Central Supplier Database.
Always check the official documentDescription
Transnet Rail Infrastructure Manager is seeking a contractor for the design, supply, installation, testing, and commissioning of 3kV DC traction substation equipment at Welgedag. The project includes removing old equipment, constructing concrete plinths, and installing new transformers, rectifiers, and security fencing. The work must be completed within an 8-month period, with final commissioning scheduled for May 2027. This project is a re-measurement contract following the NEC3 Engineering and Construction standards. Bidders must attend a compulsory site meeting to qualify for the tender process.
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 6 Electrical Engineering (Infrastructure) (6EP)) — 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 6EP or higher
- Valid Tax Clearance Certificate and TCS PIN
- Registered on the National Treasury Central Supplier Database (CSD)
- Valid B-BBEE certificate or sworn affidavit
- Valid Letter of Good Standing from the Workmen Compensation Fund
- Audited financial statements for the past three years
- Proof of attendance at the compulsory clarification meeting
Contact & how to apply
Name: MOHALE RAPETSWA
Email: mohale.rapetswa@transnet.net
Phone: 011-584-0944
How to apply: Applications must be submitted electronically via the Transnet e-Tender Submission Portal at https://esupplierportal.transnet.net/portal/ after registering and logging an intent to respond.
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