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Machining and welding services at Vanderkloof Power Station.

Eskom

In plain English

Eskom is procuring welding and machining services for the Vanderkloof Hydroelectric Power Station. Bidders must demonstrate line-boring capabilities either directly or through a sub-contractor.

Always check the official document
Closing date
19 November 2026
Location
Vanderkloof Hydroelectric Power Station --Vanderkloof -
Estimated value
R 35 000 000
Published
19 October 2026
Tender no.
E3692GXPOU-

Description

Eskom has issued a tender for onsite and offsite welding, machining, and line-boring services at the Vanderkloof Hydroelectric Power Station. The contract is for a period of five years. The work involves turbine refurbishment and maintenance, including specialised line-boring, heat treatment, and quality control support. The project is managed under an NEC3 Term Service Contract. Key deliverables include detailed repair records, inspection reports, and a task order databook for each assignment. The tender requires adherence to strict quality standards, including ISO 9001 and ISO 3834-2. Bidders must demonstrate technical capability in line-boring and welding. The tender process includes a non-compulsory clarification meeting via Microsoft Teams. All work must comply with the Occupational Health and Safety Act and Eskom Life-Saving Rules.

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 Mechanical Engineering (6ME)) — 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

  • Valid CIDB registration of 6ME or higher
  • ISO 9001 and ISO 3834-2 certification
  • Valid COIDA Letter of Good Standing
  • Registered on Central Supplier Database (CSD)
  • Valid SARS tax compliance status
  • Qualified Welding Procedure Specifications (WPS) and WPQR documentation
  • Valid B-BBEE certificate or sworn affidavit

Contact & how to apply

Name: Siyabulela Kekana

Email: KekanaSU@eskom.co.za

Phone: 021-941-5762

How to apply: Tenders must be submitted electronically via the Eskom E-tendering portal. Bidders must upload documents in PDF format into the designated folders (Technical, Commercial, Financial, and Other). Pricing schedules must be submitted in both PDF and Excel formats. No zip files are permitted.

Download tender documents

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