Repair of SF6 Gas Leaks on Circuit Breakers.
Transnet
Compulsory briefing — you must attend to bid
10 November 2026 at 10:30 · 121 Jan Moolan St, Vryheid, Electrical boardroom
In plain English
Transnet is procuring services for the dismantling and repairs of SF6 gas leaks and mechanical failures on various types of circuit breakers at traction substations between Vryheid and Sheepmore. Bidders must be registered on the National Treasury's Central Supplier Database.
Always check the official documentDescription
Transnet Freight Rail invites tenders for the repair of SF6 gas leaks and mechanical failures on circuit breakers. The work covers various traction substations between Vryheid and Sheepmore, including sites like Piet Retief and Iswepe. The project duration is six months, starting in November 2026. Key deliverables include identifying leaks, replacing defective seals, refilling SF6 gas, and conducting dew point testing. All gas handling must be performed by accredited personnel, and contractors must provide safe disposal procedures for gas waste. The project requires adherence to a quality assurance system for all assembly and repair processes.
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
- Valid electrician trade test and technical certifications
- Registered on National Treasury Central Supplier Database (CSD)
- Valid Tax Clearance Certificate and TCS PIN
- Valid B-BBEE certificate or sworn affidavit
- Valid Letter of Good Standing (COIDA)
- Three years of audited financial statements
- Attendance at compulsory clarification meeting
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, log their intent to respond, and upload all required documents before the closing date.
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