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Eskom Tender: Kusile Cable Tunnel Cleaning Contract

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Eskom Holdings SOC Ltd has issued a Request for Quotation (RFQ) under reference E2251GXMPKUS for the Industrial Cleaning of Cable Tunnels and Basement at Kusile Power Station in Mpumalanga. This critical 36-month service contract aims to ensure the operational integrity, safety, and maintainability of Kusile’s extensive underground cable infrastructure. The RFQ was published on Friday, 28 November 2025, with a closing deadline of Friday, 23 January 2026 at 10:00 AM.

Tender Overview and Critical Infrastructure Context

Kusile Power Station—one of the largest coal-fired power plants in the world—relies on a complex network of cable tunnels and basements to house vital electrical infrastructure. Over time, slurry, dust, and debris accumulate in these confined spaces, impeding maintenance access and posing fire and operational risks. This tender seeks a qualified, safety-compliant service provider to deliver high-pressure cleaning, vacuuming, and emergency response services across more than 1,200 linear metres of tunnels and associated basements.

Detailed Scope of Cleaning Services

The appointed contractor will be responsible for comprehensive cleaning of the following areas:

  • Cable tunnels (multiple sections ranging from 2.5m to 12m in width)
  • Turbine auxiliary bays (including -5m level trenches and drains)
  • Sumps and drainage lines within tunnel systems
  • Electrical cables, which must be washed free of conductive slurry buildup

Services include high-pressure water jetting, vacuum extraction, slurry removal, drain unblocking, and emergency clean-up as required. All work must be performed without interrupting live electrical systems, under strict lockout/tagout and confined space protocols.

Mandatory Qualifications and Safety Compliance

Bidders must demonstrate:

  • Proven experience in industrial cleaning of power station tunnels or similar high-risk environments
  • Valid COIDA registration and qualified Health and Safety Officer on staff
  • A comprehensive HSE Plan compliant with Eskom’s Kusile safety standards
  • Trained, competent cleaning personnel with confined space and high-risk work certifications
  • Own equipment: high-pressure cleaners, vacuum trucks, PPE, and slurry handling systems

Mandatory documents include SBD 1, SBD 4, SBD 6.1, Integrity Declaration, CSD registration, TCS PIN, and CVs of key personnel with verifiable references.

Evaluation Methodology and Local Content Requirements

Bids will undergo a 100-point functionality assessment, with a minimum threshold of 60 points required to proceed. Key scoring areas:

  • Experience in industrial cleaning (30 points)
  • Relevant contract management (20 points)
  • Resource and equipment capacity (30 points)
  • HSE and quality systems (20 points)

Compliant bidders will then be evaluated on price competitiveness and local procurement content (LPC). Bidders must submit Annex C (Local Content Declaration) and supporting schedules (Annex D and E) in line with DTIC regulations.

Submission Guidelines and Virtual Briefing Details

  • Non-compulsory Clarification Meeting: 03 December 2025 at 10:00 AM via Microsoft Teams
    • Meeting ID: 392 727 784 366 6
    • Passcode: uG9Ln3xL
  • Closing Date & Time: 23 January 2026 at 10:00 AM
  • Submission Platform: Eskom E-Tendering System – Submit Bid Here

Late or non-compliant submissions will be disqualified. The quoted price must remain valid for 180 days.

For inquiries, contact Mr. Lungelo Bhengu at 013-680-3210 or BhenguLP@eskom.co.za .

How to Access the Full Tender Documentation

The complete tender package is available for download from the National Treasury’s eTenders portal. Bidders must ensure they download and review all 19 documents listed below, as each forms an integral part of the tender submission requirements:

  1. Signed Invitation to Tender (ITT) – Industrial Tunnel Cleaning
  2. Kusile Power Station Industrial Cleaning Scope of Work
  3. Unpriced Bill of Quantities (BoQ)
  4. Technical Evaluation Strategy for Cleaning
  5. SBD 1 – Invitation to Bid
  6. SBD 4 – Declaration of Interest
  7. SBD 6.1 – Preferential Procurement Claim (PPR 2022)
  8. SBD 6.2 – Local Content Declaration (PPR 2023)
  9. Integrity Declaration Form
  10. Eskom General Conditions of Purchase – July 2022
  11. Eskom Standard Conditions of Tender – February 2022
  12. Annex C – Local Content Declaration (Summary Schedule)
  13. Annex D – Local Content Supporting Schedule (Imports Declaration)
  14. Annex E – Local Content Supporting Schedule (Local Content Declaration)
  15. C0 – TSC3 Contract Cover Pages
  16. C1 2a – TSC3 Data by Employer
  17. C1 2b – TSC3 Data by Contractor
  18. C2 – TSC3 Pricing Data Option A
  19. C3 1 – TSC3 Employer’s Service Information

All documents must be used in conjunction with the Eskom e-Tendering submission guidelines. Bidders are strongly advised to download the full package well in advance of the closing date to ensure complete and compliant submissions.

Submit your bid electronically via:
Eskom E-Tendering Portal – Tender E2251GXMPKUS

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