Duvha power station pf sampling and particle size analysis (units 1–6) – 3-Year contract

Returnable document: Annexure B – Acknowledgement Form for Eskom OHS legal and other requirements (Eskom identifier 240-77471499 Rev 3). The form must be completed, signed by an authorised person (CEO, Director or Managing Director), dated, and witnessed by two witnesses. It confirms the bidder has obtained and understood the listed OHS documents and the consequences of non-compliance. Submission method, address, and closing time are not stated in this document.

The only evaluation-related content is the requirement that the Acknowledgement Form for Eskom OHS legal and other requirements be properly completed, signed, dated and witnessed. No scoring split, minimum qualifying score, or preference point system is provided in this document.

The bidder must provide notification to Eskom before appointing any contractors or suppliers for commencement of work.

Compliance with OHS requirements is mandatory when working at or rendering a service to Eskom:

• Comply with Eskom contractor Health and Safety requirements standards.
• Comply with the OHS specification/requirements provided.
• Comply with the Occupational Health and Safety Act.
• Comply with the Compensation for Occupational Diseases and Illnesses Act.
• After contract award, align company processes to Eskom's OHS requirements (policies, procedures, standards).
• Ensure all employees (contractors/suppliers) undergo the relevant Eskom induction.
• Penalties will be enforced on the main supplier for any non-conformance to Eskom or statutory OHS requirements, including non-compliance by their contractors or suppliers.

OHS obligations:

• Comply with Eskom contractor Health and Safety requirements standards.
• Comply with the OHS specification/requirements provided.
• Comply with the Occupational Health and Safety Act.
• Comply with the Compensation for Occupational Diseases and Illnesses Act.
• Align company processes to Eskom OHS requirements after contract award.
• Ensure all employees undergo Eskom induction.
• Penalties apply for non-conformance to OHS requirements.

The main contractor/supplier is accountable for managing its contractors and suppliers. Obligations include:

• Demonstrated process and selection criteria for appointing contractors/suppliers.
• Notification to Eskom before appointing contractors/suppliers.
• Adequate resources and competencies of contractors/suppliers.
• Ensuring contractors/suppliers comply with applicable legal and Eskom requirements.
• Monitoring contractors/suppliers through audits and OHS compliance assessments.
• Providing grounds for termination of work by contractors/suppliers.
• Direct handling of all non-conformances/non-compliance (all tiers) with penalties and performance processes.
• Eskom may request testimonials/references and client contact details for similar previous work.

Scope: PF sampling and particle size analysis on units 1–6 mills at Duvha Power Station for a 3-year period. Minimum 10 mills per month, reduced if mills unavailable. Sampling on four pipes per mill; reports to P&T Engineering.

No contact details were provided in this document.

No submission-specific guidelines were found in this document.

Two-stage technical evaluation:

Stage 1 – Mandatory gatekeepers (pass/fail, not scored):

• PF sampling equipment (owned or hired, single sampler only), with photographs, serial number and technical specification sheet.
• Technical sieve shakers, with sieve list, serial numbers and photographs.
• PF sampling experience evidenced by certified qualifications, CVs, employment letters or contracts, and SAP purchase order screenshots or non-Eskom purchase orders.
• PF sampling supervisor with a certified qualification, CV, employment record, contract and purchase orders.

A 'No' on any mandatory criterion disqualifies the bid; the bidder is not evaluated on qualitative criteria.

Stage 2 – Qualitative (weighted, scored):

• PF sampling experience: 30%
• PF sampling supervisor: 30%
• Test results and reporting: 40%

Minimum qualifying score: 70% weighted final technical score.

Purpose: PF (pulverised fuel) sampling and particle size analysis on boiler units 1–6 at Duvha Power Station.

Contract period: 3 years.

Sampling and grading tests performed on the PF distribution pipe on each of the four pipes per mill.

Samples analysed and reports sent to P&T Engineering at Duvha.

Minimum of 10 mills sampled per month; if fewer mills are available, the quantity is reduced and payment adjusted accordingly.

Work is triggered three months after a mill starts running, and as and when required.

PF sampling experience: scoring tiers with weights (see evaluationCriteria). Evidence required: certified qualifications, CV, employment letters or contracts, SAP purchase order screenshots or non-Eskom purchase orders. PF sampling supervisor: must hold a certified qualification (National N6, National Diploma, or higher), and provide CV, employment record, contract and purchase orders.

Refer to evaluationCriteria section. Highlights: minimum 70% technical score; mandatory gatekeepers pass/fail; qualitative weights 30% experience, 30% supervisor, 40% test results.

Returnable documents:

• E-Tendering Training Acknowledgement Form: mandatory returnable prior to e-tendering. Must be fully completed and submitted within the prescribed period. The form confirms the bidder has undergone self-training via the e-Tendering Noddy Guide or video or a clarification meeting, and can operate the E-Tendering Solution. Must be signed by an authorised signatory. Failure to submit or incomplete completion renders the tender non-responsive and disqualifies the bidder.

Completion and submission of the E-Tendering Training Acknowledgement Form within the prescribed period is a precondition to bid. An incomplete form or non-submission renders the tender non-responsive and disqualifies the bidder. The form must be signed by an authorised signatory.

The tender is an acknowledgement of e-tendering training, not a specification of goods or services. The source document does not state quantities, deliverables, or locations.

The only compliance requirement is submission of the E-Tendering Training Acknowledgement Form; no other compliance requirements (e.g., B-BBEE, CIDB, CSD) are stated.

The tender is for PF sampling and particle size analysis on units 1 to 6 mills for a period of three years. The tenderer must complete and sign Form A to acknowledge and accept Eskom Supplier Quality Requirements per specification 240-105658000 and ISO 9001.

Quality requirements

• The tenderer must complete and sign the acknowledgement form to accept Eskom Supplier Quality Requirements as per specification 240-105658000 and ISO 9001.
• Category 3 (per clause 3.5.4 of the specification) is applicable for pre-contract award quality requirements.
• The tenderer must indicate acceptance of each ISO 9001 clause (clauses 4 to 10) and quality principle (principles 1 to 7) by marking with an X.

Scope: PF sampling and particle size analysis on unit 1 to 6 mills.

Contract period: three years.

Quality obligations under the Eskom Supplier Quality Requirements (specification 240-105658000) apply, including:

• Contract execution phase (clause 3.7.1)
• Supplier Quality Performance Monitoring (clause 3.7.2)
• Eskom rights of access (clause 3.8.1)
• Eskom rights to information (clause 3.8.2)
• Preservation (clause 3.8.3)
• Quality audits (clause 3.8.4)
• Management of nonconformities (clause 3.8.5)
• Special processes (clause 3.8.6)

ISO 9001 compliance is required.

Acceptance of Eskom Supplier Quality Requirements per specification 240-105658000 is required.

The acknowledgement form (Form A) must be completed and signed by the tenderer's quality representative (name, designation, date, signature).

The service involves PF sampling and particle size analysis on Unit 1 – 6 mills for a period of three years.

The work is to be performed at Eskom's power station in Mpumalanga.

No quantities or detailed scope are provided in the available document.

Closing date: 27 November 2026 at 12:00 (SAST).

Site visit / clarification meeting: if stipulated as compulsory in the Tender Data, attendance is mandatory; failure results in disqualification. Details (date, time, venue) are provided in the Tender Data.

Eskom Representative contact details are provided in the Invitation to Tender; all communication must be directed to that representative only.

Submission address: as specified in the Tender Data for paper tenders; for e-tendering, use the Eskom Tender Bulletin e-tendering page.

Service/delivery location: PF Sampling and Particle size analysis on Unit 1 – 6 mills, Eskom (Mpumalanga).

Closing time: 27 November 2026 at 12:00 SAST (GMT+2).

Submission method: electronic via the Eskom Tender Bulletin e-tendering page, unless otherwise stated in the Tender Data. Paper submissions are not accepted for e-tendering.

Required format: upload the tender in PDF or Excel, ensuring files are not corrupt or unreadable.

Bidders must complete and submit the Acknowledgement Form with the tender, stating whether the tender covers the whole or part of the works/services/supply.

Returnable documents: all mandatory returnables must be submitted by the closing date and time; failure to do so disqualifies the bid. Mandatory returnables include, but are not limited to: completed and signed tender forms, proof of eligibility (e.g., tax clearance, CIDB where applicable), and the SDL&I Undertaking (annexure) by contract award.

Proof of authority: an authenticated copy of authority to act as an agent must be submitted if an agent signs on the bidder's behalf.

Tenders must be signed by a duly authorised representative.

No late tenders will be accepted for any reason. The e-tendering system closes automatically at the closing time.

Do not deposit tenders into the Eskom tender box when e-tendering is used.

Eskom is not responsible for misplacement or premature opening if the outer package is not sealed or references are incorrect.

Corrections to documents must not use correction fluid or tape; initial all alterations.

Sub-contracting 100% of the scope is not permitted and will disqualify the bid.

Bidders must not be under any restriction to do business with Eskom or State-Owned Companies.

All costs of preparing and submitting the tender are for the bidder's own account.

Bidders must keep all tender information confidential and use Eskom documents only for preparing the tender.

Bidders must hold their tender valid for a specified period after closing; failing to extend validity when requested may exclude them from consideration.

Alternative tenders are only allowed if a main tender is also submitted and only if permitted by the Invitation to Tender.

Evaluation stages:

1. Basic compliance: tender must meet all stated requirements or it is non-responsive.
2. Mandatory returnables: missing mandatory documents at closing disqualifies the bid.
3. Pre-qualification criteria (if stipulated): bidders must meet these to proceed; criteria are not double-counted across phases.
4. Functionality (if applicable): scored against stated criteria; bidders must meet the minimum threshold stated in the Tender Data to continue.
5. Price evaluation: evaluated per Tender Data factors including CPA, FOREX, commodity exposure, unconditional discounts, technical adjustment, present value, and forecasted invoicing rates.
6. Specific Goals: scored on supporting documentation; zero points if not met or not submitted at closing.
7. B-BBEE scoring: based on CSD report, certificate, or affidavit; if not provided at closing, bidder scores zero but is not disqualified (except where B-BBEE is a pre-qualification criterion).

Ranking: sum of Price and Specific Goals scores, ranked highest to lowest. The contract is awarded to the highest ranked bidder unless objective criteria under Section 2(1)(f) of the PPPFA are stated in the Invitation.

Financial analysis: Eskom assesses the bidder's financial risk; if risk is too high and no mitigating factors agreed, the bidder is not considered for award.

Arithmetical errors: corrected according to stated rules; if the bidder does not accept corrections, the tender is rejected.

Reverse e-auction: if used, prices must not be included in the tender; including prices will result in them not being considered.

Misrepresentation or falsified information may lead to disqualification and reporting to the B-BBEE Commission.

Scope: PF (Pulverised Fuel) sampling and particle size analysis on Units 1 to 6 mills at the specified Eskom power station.

Contract period: three (3) years.

The service must be delivered at the Eskom site in Mpumalanga.

Bidders must provide the service in accordance with Eskom's safety, health, environment and quality (SHEQ) requirements.

All costs and personnel associated with SHEQ must be included in the tender price.

Proof of SHEQ systems, policies and capabilities must be provided to Eskom's satisfaction at closing or contract award.

All costs and personnel associated with SHEQ must be reflected in the tender.

Quality requirements are part of the SHEQ proof; no separate quality standards are specified in the available document.

Rates and prices must be in South African Rand, fixed for the contract duration.

Include all duties, taxes (including VAT) and levies applicable 14 days before closing.

Prices must be quoted in the format specified in the Invitation to Tender.

Arithmetical errors in pricing will be corrected as per Eskom's rules; if the bidder does not accept corrections, the tender is rejected.

Where reverse e-auction is used, tenders must not contain prices; if prices are included, they will not be considered.

Pricing: rates and prices must be in South African Rand, fixed for the contract duration, and include all duties, taxes (including VAT) and levies applicable 14 days before closing.

Prices must be quoted in the format specified in the Invitation to Tender (e.g., schedule of rates, bill of quantities).

Insurance: Eskom does not guarantee full insurance cover; bidders should obtain professional advice on required cover.

Security for performance: if required, the bidder must nominate at least two financial institutions it intends to approach for the security; Eskom may reject institutions it deems unsuitable.

No compensation is paid for tender preparation costs.

B-BBEE: proof of B-BBEE level (certificate, CSD number, or CSD report) must be provided at closing if B-BBEE is a pre-qualification criterion; otherwise, provide for PPPFA point allocation. Expired or fraudulent documents result in zero points for B-BBEE.

CIDB: where a CIDB grading is stipulated in the Tender Data, bidders must be registered with CIDB at closing or be capable of registration within 21 working days of closing. Proof of registration must be submitted at closing; if only an application is available, the CIDB database printout must be provided by contract award.

Tax compliance: valid tax clearance (SARS) is required.

CSD registration: required for B-BBEE scoring and as proof of status.

SHEQ: proof of safety, health, environmental and quality systems must be provided at closing or contract award.

Legislative compliance: comply with National Treasury Instruction Notes, PPPFA Regulations, Amended B-BBEE Codes, COIDA, OHS Act, and other applicable laws.

Contract Skills Development Goals (CSDG): for contracts of R5 million or more or lasting 12 months or more, the contractor must achieve the applicable skills development goals.

Contract Participation Goals (CPG): for construction works contracts meeting specified conditions, the contractor must achieve the participation goals.

Designated materials and thresholds: information must be submitted no later than contract award; failure to do so means the tender will not be considered for award.

SDL&I Undertaking: must be completed and submitted by contract award.

Misrepresentation or fronting may result in suspension from doing business with State-Owned Companies for up to 10 years and criminal prosecution.

Bidders must provide proof of safety, health, environment and quality (SHEQ) systems and capabilities.

Compliance with the OHS Act and Eskom's SHEQ requirements is mandatory.

All costs related to health and safety must be included in the tender price.

Tender validity: bidders must keep their tender valid for the period stated in the Tender Data, and extend if requested; failure to extend may result in exclusion.

Confidentiality: all procurement matters must be kept confidential; documents from Eskom may be used only for preparing the tender.

Eskom's right to negotiate: Eskom may enter mandated negotiations with selected tenders.

Eskom's right to cancel: Eskom may cancel the tender at any time before contract conclusion, with reasons on request.

Contract formation: the successful bidder must check the final draft contract and sign the Form of Agreement.

Contract duration: services are for a period of three (3) years.

Sub-contracting: 100% sub-contracting of the scope is not permitted.

Liability: Eskom is not liable for any losses or damages arising from the tender process.

Misrepresentation: falsified information may lead to disqualification and reporting to the B-BBEE Commission.

Contract Skills Development Goals (CSDG) and Participation Goals (CPG) apply as described in the compliance section.

Additional evaluation criteria: functionality, if applicable, must meet a minimum threshold stated in the Tender Data.

Specific Goals: scored based on supporting documentation; zero points if not met or not submitted at closing.

B-BBEE level is scored as stated on the CSD report or certificate/affidavit.

Financial analysis: bidder's financial statements are assessed for risk; high risk without mitigating factors may result in non-consideration.

Arithmetical errors are corrected as per Eskom's rules; failure to accept corrections leads to rejection.

Detailed scope of work and technical requirements are in a separate attachment (document identifier 559-1026771031). The tender is an open invitation for PF sampling and particle size analysis on Unit 1–6 mills for three years.

Closing: 27 November 2026 at 10h00

Clarification meeting (non-compulsory): 05 November 2026 at 13h00 via Microsoft Teams

Meeting ID: 366 653 469 244 534 5

Passcode: Zd3Jc2b8

Join link: https://teams.microsoft.com/meet/3666534692445345?p=TFvfJnPew3mlRFDckA

Clarification queries deadline: 10 working days before the tender closing date.

Eskom Representative

Name: Victoria Selepe

Telephone: +27 13 690 0514

Email: [email protected]

Procurement Manager (signatory on ITT): Mandla Mkhonza

Fraud and corruption reporting

Telephone: 0800 11 2722

Email: [email protected]

Eskom Standard Conditions of Tender available at www.eskom.co.za.

Submission method: electronic only via the Eskom E-tendering site (Eskom Tender Bulletin). No hard copies accepted. Upload under the folders Technical, Commercial, Financial and Other. All documents in PDF format (price list PDF included in the NEC document). Max upload size per document 500 MB; total submission 4 GB. No zip/compressed files. If resubmitting, the latest version stands and earlier submissions are void. Ensure submission status is shown as complete. Late tenders are not accepted.

Mandatory returnables at closing (disqualifiable if missing/incomplete/unsigned):

• Annexure A Authorisation Form: authorises the signatory to submit the tender, with the appropriate resolution or power of attorney attached.
• Annexure B Acknowledgement Form.
• Annexure C Tenderer's Particulars: bidder identity and contact details.
• Annexure D Integrity Declaration Form: confirms adherence to the Eskom Supplier Integrity Pact.
• Annexure E CPA Requirements for Local Goods/Services (if applicable).
• Annexure F CPA(IG) for Foreign Goods/Services (if applicable).
• Annexures G1–G4 (SBD 6.2) Local Production and Content Declaration: required only if designated materials are included.
• Annexure H (SBD 1) Invitation to Bid: completed by all tenderers.
• E-tendering Help Manual acknowledgement form.

Returnables at closing for evaluation (non-disqualifiable; score zero if omitted):

• Annexure I (SBD 6.1) Preference Points Claim Form in terms of PPPFA 2022.
• Annexure J (SBD 4) Bidders Disclosure.

Other documents:

• Tax clearance: certified copy of tax clearance certificate required from foreign tenderers with a SA footprint not on CSD and without a SARS PIN, and from local tenderers not providing a SARS e-filing PIN or CSD profile. Foreign suppliers with no SA footprint complete SBD 1 but need no tax compliance proof.
• Employment Equity: designated employers must provide proof of compliance, including proof of EE report submission to the Department of Labour (South African tenderers only).
• JV/consortium: letter of intent or valid JV agreement confirming rights, obligations and profit-sharing; written confirmation the JV operates as a single business entity; details of a single designated bank account in the JV name.

Note: non-disqualifiable returnables missing or incomplete at closing may be requested in writing; the bidder has 5 working days to submit, otherwise disqualified.

Evaluation stages:

1. Eligibility and basic compliance.
2. Functionality (technical) evaluation with a minimum qualifying threshold.
3. Price and specific goals (preference points) scoring under PPPFA.
4. Contractual requirements checked after ranking.

Functionality criteria (minimum weighted score: 70%):

• Supervisor PF sampling qualifications (10%): national diploma technical or higher, or N6 National Certificate, or National Senior Certificate.
• Supervisor PF sampling experience (30%): proof via employment verification letter or CV with job descriptions.
• Company experience with PF sampling and mill performance (30%): proof via SAP purchase order or contract screenshots; for non-Eskom, traceable certified reference.
• Test results reflecting Pulverised Fineness, PF Distribution, Air distribution, Test Parameters, Rosin-Rammler graph (% mass flow vs fineness), calculations and checklist of recommendations (30%).

Price score: out of 80 points, formula Ps = 80 [1 - (Pt - Pmin)/Pmin], prices inclusive of VAT.

Specific goals score: out of 20 points under PPPFA; failure to submit evidence scores zero for that goal but no disqualification.

Preference point system: 80/20 system applies (estimated value ≤ R50 million excluding VAT).

Specific goals (SDL&I objectives): Black Owned 4%, Black Women Owned 3%, Black Youth Owned 2%, plus job creation and skills development targets and 100% local procurement content target.

Tenderers failing the 70% functionality threshold are disqualified.

Scope: PF sampling and particle size analysis on Unit 1–6 mills for a period of three (3) years.

Mandatory technical requirement: the bidder must own or hire the equipment used for PF sampling (single point sampler only).

Detailed technical evaluation criteria are in separate document identifier 559-1026771031.

Contract type: NEC3 Term Services Contract (TSC3).

Supervisor must have a National Diploma technical or higher, N6 National Certificate, or National Senior Certificate (10%). Supervisor must have PF sampling experience proven by an employment verification letter or CV with job descriptions (30%). Company must have experience with PF sampling and mill performance, proven by SAP purchase order/contract screenshots or traceable certified references (30%). Test results must cover Pulverised Fineness, PF Distribution, Air distribution, Test Parameters, Rosin-Rammler graph, calculations and recommendations (30%).

Pricing schedule must be completed and submitted in PDF (included in the NEC document). Prices inclusive of VAT. Arithmetic errors will be corrected for evaluation. Contingency amounts excluded. The catalogue line item, if required, must be quoted.

Payment terms: for contracts below R50 million including VAT, Eskom pays within 30 days of undisputed invoice; above R50 million, within 60 days.

Performance security: not applicable.

Pricing: prices evaluated inclusive of VAT; arithmetic errors corrected for evaluation; contingency amounts excluded; unconditional discounts considered; conditional discounts applied at payment.

Pricing schedule must be submitted in PDF (included in the NEC document).

Cataloguing: if required, the pricing schedule must include a line item for cataloguing, which Eskom will pay.

Mandatory contractual requirements (assessed after ranking, prior to award):

• Proof of valid CSD registration (CSD number or CSD report).

Additional contractual requirements (if applicable):

• COIDA: original certificate of good standing or proof of application from the Compensation Fund or licensed insurer (South African tenderers only).
• Quality: comply with the attached Quality requirements.
• Safety/quality: comply with attached Safety and Quality requirements.
• Environmental: comply with attached Environmental requirements.
• Financial viability: audited financial statements for the previous 18 months or last year; for JV/SPV, statements for each participant; start-ups (formed within 12 months) exempt but must furnish first-year statements once available.

Eligibility:

• No restriction on doing business with Eskom or State-Owned Companies.
• Not on any international sanctions list (applies to subcontractors/suppliers too).
• No multiple submissions (except e-tendering size-limit exception).
• No conflict of interest.
• Tender must be signed by an authorised person.
• Not restricted by National Treasury or on the Tender Defaulters List.
• No 100% subcontracting of the scope of work.
• Alternative tenders not allowed.
• CIDB grading, Contract Skills Development Goals and Contract Participation Goals: not applicable.

Contractual requirements include a COIDA certificate of good standing or proof of application (South African tenderers only), and compliance with the attached Safety and Quality requirements. SHEQ requirements may apply as a contractual requirement.

The bidder must comply with the attached Environmental requirements.

Contract conditions: NEC3 Term Services Contract (TSC3). Tender validity: 180 days from closing. No performance security required. Alternative tenders not accepted. Successful bidder may be required to provide cataloguing information per item after award; all delivered materials must be labelled per Eskom specifications.

The functionality threshold is 70%. Price is scored out of 80 using the formula Ps = 80[1 - (Pt - Pmin)/Pmin]. Specific goals scored out of 20 under PPPFA; no evidence means zero for that goal. The 80/20 preference point system applies.

Selection of the applicable category on the Cover tab determines which quality requirements apply. Only one category may be selected; selecting more than one causes an error.

Bidders must complete the Excel template by selecting the applicable category on the 'Cover' tab (by typing 1 in one of the marked boxes, selecting only one category). The 'Returnables' tab then shows the applicable requirements. Complete the required details, then save as PDF and sign, or sign and lock the sheet before sending. Avoid hiding un-applicable rows where they affect the print area.

Quality documentation is evaluated against a weighted scorecard with five sections: Section A (Quality Management System Requirements, weight 25%), Section B (Evidence of QMS in operation, weight 25%), Section C (Contract Quality Plan, weight 20%), Section D (Quality Control Plan, weight 20%), Section E (User-defined additional requirements, weight 10%).

• Section A offers two options: Option 1 requires a valid ISO 9001 certificate from an accredited body; Option 2 requires alternative evidence (QMS manual, quality policy and objectives approved by top management, documented control of information, and documented control of nonconforming outputs, etc.).
• Section B requires documented roles, responsibilities and authorities, control of externally provided processes, and (if applicable) internal/external audit reports and management review records.
• Section C requires a draft Contract/Project Quality Plan specific to the scope of work.
• Section D requires a QCP/Checklist/ITP as per the scope of work.
• Section E requires Form A completed and signed, plus any other requirements as per scope.
• Bidders must ensure they can explain to auditors why any indicator was excluded, if they choose to modify scoring.

The scope of work is PF Sampling and Particle size analysis on Unit 1 – 6 mills for a period of three (3) years. The tender covers services, general.

Bidders must demonstrate a working Quality Management System. If the bidder does not hold a valid ISO 9001 certificate, they must submit the alternative evidence under Section A Option 2. The bidder must complete and sign Form A. Reference specification: 240-105658000 or 240-51544462.