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Effluent Neutralisation Sump Bypass at Lethabo Power Station.

Eskom

In plain English

A temporary bypass system for the Effluent Neutralisation Sump at Lethabo Power Station is being procured. The tender is open to eligible contractors as per Eskom's procurement policies.

Always check the official document
Closing date
30 November 2026
Location
Vaaldam Road-Viljoensdrift-Viljoensdrift-1930
Estimated value
R 25 000 000
Published
2 November 2026
Tender no.
E3771GXGPLET

Description

Eskom invites tenders for the design, procurement, supply, and installation of a temporary bypass system for the Effluent Neutralisation Sump (ENS) at Lethabo Power Station. The project aims to allow for damage assessment and repairs to the sumps while maintaining plant operations until 2041. Key deliverables include a temporary reinforced concrete or steel sump, a pumping system, and modifications to existing piping and instrumentation. The contract duration is 18 months, with a completion date of 30 December 2027. The work is governed by the NEC3 Engineering and Construction Contract (Option A). A compulsory site visit is scheduled for 11 November 2026 at Lethabo Power Station, and a compulsory online clarification meeting will be held on 09 November 2026.

What you need to qualify

  • CSD registration — Registration on the Central Supplier Database — required to do business with government.
  • CIDB grading (Grade 4 Civil Engineering (4CE)) — 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

  • Valid CSD registration
  • CIDB grading of 4 CE/ME or higher
  • Lead engineers must hold valid ECSA professional registration
  • ISO 9001:2015 Quality Management System certification
  • Valid COIDA Letter of Good Standing
  • Compliance with 100% local content thresholds for steel products
  • Audited financial statements for the previous 18 months

Contact & how to apply

Name: Keneilwe Makoele

Email: Makoelkm@eskom.co.za

Phone: 016-457-5294

How to apply: Applications must be submitted electronically via the Eskom E-tendering portal and the National Treasury e-Tendering system. All documents must be in PDF format, with price lists provided in both PDF and Excel. No zip files are permitted.

Download tender documents

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