Operation of ikageng sewage treatment plant – 3-Month contract (ESKOM RFQ e3786gxmpduv)

The RFQ covers the operation and daily maintenance of the Ikageng Sewage Treatment Plant. Three identical line items (00010, 00020, 00030) each request one performance unit of the same service.

Closing date: 18 November 2026 at 08:00.

Delivery date: 23 November 2026.

Contact person: Tshepiso Victor Mahlake

Telephone: 012 432 1315

Postal address: Eskom Holdings Generation, Duvha Power Station, P O Box 8610, Johannesburg, 2000

Delivery address: Duvha Power Station, Stores Receiving, Off Witbank-Bethal Road, Witbank, 1035

Submission method: not stated in the document.

Closing time: 18 November 2026 at 08:00 (per tender record).

Returnable documents: not listed in the document.

Scope: Operation and daily maintenance of the Ikageng Sewage Treatment Plant.

Frequency: Daily.

Method: Maintaining operation of sewage treatment.

Quantity: 3 performance units (line items 00010, 00020, 00030), each covering the same service.

VAT registration number: 4740101508 (stated on the RFQ).

No other compliance requirements stated.

Duvha Power Station, a coal-fired station in Witbank, Mpumalanga, has six units each generating 600 MW. All sewage effluent from the station is treated at the Ikageng sewage plant to meet water licence requirements. The average raw sewage inflow is 12.5 cubic metres per hour. Septic tank effluent from the station is disposed into the plant via vacuum trucks, averaging 80 cubic metres per month. The scope includes plant operation, maintenance of vegetation around ponds, chemistry analysis of effluent per SANAS 17025, and housekeeping. Operation is governed by the Water Services Act / Regulation 2834. The document applies only to Duvha Power Station.

Bidders must provide personnel classified under Regulation 17 of the Water Services Act, with the plant registered as class C. Access to an accredited laboratory (SANAS 17025) for weekly effluent testing is required. Compliance with ISO 9001 and ISO 17025 standards is mandatory. A documented Wastewater Risk Abatement Plan (W2RAP) must be in place.

Duvha Power Station, a coal-fired station in Witbank, Mpumalanga, directs all sewage effluent to the Ikageng sewage plant for treatment to water licence standards. The average raw sewage inflow is 12.5 cubic metres per hour. Septic tank effluent from the station is disposed into the plant via vacuum trucks, averaging 80 cubic metres per month.

Scope of work includes:

• Plant operation and maintenance of vegetation growth around the ponds.
• Chemistry analysis of effluent in accordance with SANAS 17025.
• Housekeeping.
• Operation governed by the Water Services Act / Regulation 2834.

Plant operation requirements:

• Implement and maintain a green drop system programme.
• Ensure adequate operational monitoring – sampling sites and frequencies per licence and best practice.
• Weekly final effluent results from an accredited laboratory; monthly reports must include original laboratory reports.
• Plant controlled and supervised by suitably qualified, experienced employees classified under Regulation 17 of the Water Services Act.
• Personnel must meet the requirements of the plant's registration, which is class C.
• Plant manned and supervised 24/7 on a four-shift roster, with a minimum of two operators per shift.
• Maintain a documented Wastewater Risk Abatement Plan (W2RAP) prioritising risks with mitigation measures.

Service provider obligations:

• Provide qualified operators.
• Provide tools, appropriate PPE, equipment and consumables.
• Provide transport for personnel to and from the work site.
• Ensure safety of own personnel, other contractors and Eskom employees, complying with the OSH Act.
• Plan and execute work, providing a detailed plan for each planned maintenance opportunity.
• Perform quality control on own work per pre-approved quality control plans submitted to the Eskom Project Manager.
• Activities completed to be approved by the Eskom Project Manager.

Monthly assessments (on the 15th of each month) based on KPIs agreed by both parties, including:

• Signed work attendance register.
• Daily operational plant records.
• Graphical trends of chemically analysed parameters.
• Records of plant defects and risks.
• Chemical analysis reports from an accredited laboratory.
• Full complement of staff correctly classified by the Department of Water and Sanitation.
• Housekeeping of the plant.

Constraints:

• Receive instructions only from authorised Duvha Power Station personnel.
• Tasks completed within the allocated time frame, only when a task order is issued by the Eskom Project Manager.
• Activities approved by an Eskom quality representative or the relevant system engineer where stipulated.
• Plant operation must comply with operational instruction Document Identifier: 382-171996.

Treated effluent quality limits (per water licence):

• pH: 5.5–9.5
• Ammonia (ionised and un-ionised) as Nitrogen: 3 mg/l
• Nitrate (as N): 15 mg/l
• Free chlorine: 0.25 mg/l
• Ammonia (as N): 1 mg/l
• COD: 75 mg/l after algae removal
• Faecal coliform: 0 per 100 ml
• Orthophosphate (as P): 1 mg/l

Normative references: ISO 9001 Quality Management Systems, National Water Act General Limits for Discharge, ISO 17025. Informative references: Health and Safety requirements, Environmental requirements, Site regulations and access control SAS0012, Operating instruction UI 382-171996.

Compliance requirements:

• Personnel classified under Regulation 17 of the Water Services Act.
• Plant registration class C.
• Access to an accredited laboratory (SANAS 17025).
• Compliance with ISO 9001 and ISO 17025.
• Compliance with the National Water Act General Limits for Discharge.
• Compliance with the Occupational Health and Safety Act.
• Compliance with NEMA, Water Act, audits, and relevant ISO requirements.
• Site regulations and access control per SAS0012.
• Operational instruction UI 382-171996.
• Permit to Work (PTW) in place before each work.
• Daily risk assessment before starting work.

The contractor must work within the scope, ensure a Permit to Work (PTW) is in place before each work, conduct a daily risk assessment, execute work per the employer's specification, and comply with the Occupational Health and Safety Act. The Project Manager must ensure all work is executed in accordance with legal requirements (OHSA), the scope is completed on time, and work is carried out by competent persons. The service provider must ensure safety of own personnel, other contractors, and Eskom employees, complying with the OSH Act and its Regulations. The plant must be manned and supervised 24/7 on a four-shift roster, with a minimum of two operators per shift for safety.

Closing date: 18 November 2026 at 10:00 (South African Standard Time)

Clarification deadline: 10 November 2026 (written requests to the buyer)

Enquiries:

• Contact: Tshepiso Mahlake
• Email: [email protected]

Submission: via CSD (RFQ) portal only — no email submissions accepted.

Delivery address: Duvha Power Station (delivery date and contact person to be confirmed).

Submission method: CSD (RFQ) portal only. Quotations sent directly to the buyer's email will be disqualified.

Returnable forms (must be fully completed, signed where required, and submitted by closing):

• Annexure A: Authorisation Form — authorises the signatory to bind the bidder.
• Annexure D: Integrity Pact Declaration — commits the bidder to ethical conduct and no collusion.
• Annexure H (SBD 1): Invitation to Bid — bidder and contact details, signed as the offer cover page.
• Annexure J (SBD 4): Bidders Declaration of Interest — discloses any state employment or connection to Eskom personnel.
• Annexure I (SBD 6.1): Preference Points Claim Form — claims B-BBEE preference points under the PPPFA.
• Annexure E/F: CPA for local/imported goods (if applicable).
• Annexure G1-G4 (SBD 6.2): Local Production and Content declaration (only if designated sectors apply).
• Tax Evaluation Questionnaire (if a services contract and included as annexure).
• Pricing schedule (if not already in the NEC or other contract).

Returnables required at closing but non-disqualifiable (5 working days to cure):

• Tax clearance certificate (for foreign tenderers with a local footprint not on CSD and no SARS PIN, and local tenderers without CSD/SARS PIN).
• Employment Equity compliance proof (for designated employers, South African tenderers only).
• CIDB proof of grading (within 21 working days from closing if agreed with Eskom).

Returnables required at closing for evaluation (score zero if missing, not disqualified):

• Specific Goals evidence (for PPPFA preference points).

Disqualification risks:

• Any disqualifiable returnable missing, incomplete, or unsigned.
• Quotation received after closing time.
• Failure to submit on the CSD portal.
• Unresolved conflict of interest.
• Technical deviations not fully documented on the deviation schedule.

Evaluation stages:

1. Functionality: minimum threshold 70%. Bidders below the threshold are disqualified and not evaluated further. Criteria per the attached Technical Evaluation Strategy.
2. Price and preference points: 80/20 system under PPPFA Regulations 2022. Price scores out of 80; preference points out of 20.
3. Preference points: Specific Goals as advised by SDL&I. Missing evidence scores 0 for that goal but does not disqualify.

Contractual requirements (assessed after ranking, not evaluation criteria):

• Proof of CSD registration.
• CIDB registration 2CE or higher.
• SHEQ requirements applicable.
• Financial analysis: audited financial statements for the previous 18 months (or last year if not available). JV/SPV participants each submit statements. Start-ups (formed within 12 months) exempt but must furnish statements for the first year once available.

Eskom may negotiate with preferred bidders if prices are not market related.

Scope: Operation of the Ikageng Sewage Treatment Plant for a period of three (3) months.

Line items (three identical items, each for the plant operation):

• Item 10: Ikageng Sewage Treatment Plant Operation
• Item 20: Ikageng Sewage Treatment Plant Operation
• Item 30: Ikageng Sewage Treatment Plant Operation

Tenderers must quote per line item; indicate "no quote" for items not priced.

Full specifications must be returned with the quotation (drawings, dimensions, manufacturer's name, etc.). Any deviation must be fully documented on the Technical Deviation Schedule; failure to do so disqualifies the bid.

Pricing schedule must be completed and submitted (if not already in the NEC or other contract).

Line items: three identical items for Ikageng Sewage Treatment Plant Operation. Tenderers must quote per line item or indicate "no quote".

Total price excluding VAT and total price including VAT must be stated.

Pricing: complete the pricing schedule with line item prices, total price excluding VAT, and total price including VAT.

Financial analysis: audited financial statements for the previous 18 months (or last year if not available) are required as a contractual requirement. JV/SPV participants each submit statements. Start-ups (formed within 12 months) exempt but must furnish statements for the first year once available.

No bid security, bond, or guarantee amounts are stated.

CSD registration: mandatory for all tenderers except foreign tenderers without a local footprint. Register at https://secure.csd.gov.za/ before award.

Tax compliance: local tenderers and foreign tenderers with a local footprint must provide CSD number, CSD report, SARS e-filing PIN, or tax clearance certificate. Foreign tenderers without a local footprint are exempt from tax compliance proof.

CIDB grading: 2CE or higher (mandatory contractual requirement).

B-BBEE: valid B-BBEE certificate or sworn affidavit required prior to award. Preference points claimed via SBD 6.1.

Employment Equity: designated employers must provide proof of compliance and submission of the EE report to the Department of Labour (South African tenderers only).

SBD 1 (Invitation to Bid) must be completed and submitted by all tenderers, including foreign suppliers.

Suppliers must comply with Eskom's Life Saving Rules while on Eskom property.

Environmental requirements while on site:

• Zero liquid effluent discharge.
• No chemicals dumped into station drains or on premises.
• No oil or waste dumped on unauthorised areas or unlicensed waste sites.
• Asbestos handled and stored per Asbestos Regulation R.
• No materials or waste burnt on site.
• Hazardous substances handled and stored per Hazardous Substances Regulation GN.
• No effluent discharged into public streams.

Eskom's General Conditions of Purchase apply (unless an NEC contract applies, then NEC conditions apply).

Warranty period, fixed prices, delivery duration, and acceptance of Eskom's General Conditions of Purchase are to be confirmed by the tenderer in the bid.

Eskom reserves the right to negotiate with preferred bidders if prices are not market related.

Functionality threshold: 70%. Bidders below threshold are disqualified.

80/20 preference point system applies (PPPFA 2022).

Specific Goals: evidence required for preference points; missing evidence scores 0 but does not disqualify.

Objective criteria: not applicable (as per the document).

Contractual requirements (CSD, CIDB 2CE, SHEQ, financial analysis) are assessed after ranking, not as evaluation criteria.