Supply, delivery and dosing of cooling water chemicals – grootvlei power station

Scope: Supply, delivery and dosing of cooling water chemicals at Grootvlei Power Station for a period of 60 months.

Pre-contract award quality requirements: Category 4 applies (refer to clause 3.5 of specification 240-105658000). Main supplier and sub-supplier capability and capacity assessment is not required.

Post-contract award requirements: Contract execution (clause 3.7) and supplier quality performance monitoring phase (clause 3.7) apply.

Standard conditions applicable: Eskom rights of access, Eskom rights to information, preservation, quality audits related conditions, management of nonconformities and nonconforming outputs identified by Eskom, and special processes (all per clause 3.8 of specification 240-105658000).

ISO 9001 clauses applicable: Clause 4 (Context of the Organisation), Clause 5 (Leadership), Clause 6 (Planning), Clause 7 (Support), Clause 8 (Operation), Clause 9 (Performance Evaluations), Clause 10 (Improvement).

Quality management principles applicable: Customer focus, Leadership, Engagement of people, Process approach, Improvement, Evidence-based decision making, Relationship management.

Applicable ISO 9001 clauses and quality principles define the expected approach:

• Clause 4 Context of the Organisation / Principle 1 Customer focus
• Clause 5 Leadership / Principle 2 Leadership
• Clause 6 Planning / Principle 3 Engagement of people
• Clause 7 Support / Principle 4 Process approach
• Clause 8 Operation / Principle 5 Improvement
• Clause 9 Performance Evaluations / Principle 6 Evidence-based decision making
• Clause 10 Improvement / Principle 7 Relationship management

Quality requirements are governed by specification 240-105658000 (effective January 2022, review date January 2027) and ISO 9001 standard.

Pre-contract award: Category 4 selected (clause 3.5). Main supplier and sub-supplier capability and capacity assessment not required.

Post-contract award: Contract execution (clause 3.7) and supplier quality performance monitoring phase (clause 3.7) apply.

Standard conditions (clause 3.8): Eskom rights of access, Eskom rights to information, preservation, quality audits related conditions, management of nonconformities and nonconforming outputs identified by Eskom, special processes.

ISO 9001 clauses applicable: 4 (Context of the Organisation), 5 (Leadership), 6 (Planning), 7 (Support), 8 (Operation), 9 (Performance Evaluations), 10 (Improvement).

Quality principles applicable: Customer focus, Leadership, Engagement of people, Process approach, Improvement, Evidence-based decision making, Relationship management.

Eskom quality representative: Mmaphuti Moloto, QA Officer, signed 2026/01/27.

No specific requirements found

appointment of contractors or suppliers for the commencement

of work

OHS compliance requirements for the main supplier and its subcontractors:

• Comply with Eskom Contractor Health and Safety Requirements Standard 32-136.
• Comply with the project-specific OHS specification/requirements provided by Eskom.
• Comply with the Occupational Health and Safety Act (Act 85 of 1993).
• Comply with the Compensation for Occupational Diseases and Illnesses Act (Act 130 of 1993).
• After contract award, fully align company processes to Eskom's OHS requirements (policies, procedures, standards).
• Penalties apply to the main supplier for any non-conformance to Eskom or statutory OHS requirements by the main supplier, its contractors, or suppliers.
• Ensure all employees (including contractors and suppliers) undergo the relevant Eskom induction and the company's own induction.
• Demonstrate to Eskom the process and selection criteria used when appointing contractors and suppliers.
• Notify Eskom prior to appointing contractors or suppliers for commencement of work.
• Ensure contractors and suppliers have adequate resources and competencies.
• Remain accountable for the management of contractors and suppliers to ensure compliance with applicable legal and Eskom requirements.
• Monitor contractors and suppliers through audits and assessments for OHS compliance during execution.
• Define grounds for termination of work done by contractors or suppliers.
• Deal with all non-conformances or non-compliance by contractors and suppliers (all tiers) directly in terms of performance and penalty processes.
• Eskom reserves the right to verify compliance; the contractor may be instructed to provide testimonials, references, and contact details of clients (including Eskom) for similar previous work.
• A signed acknowledgement form (Annexure B) must be submitted by an authorised person (CEO, Director, or Managing Director) with two witnesses, confirming understanding of the OHS requirements and consequences of non-compliance.

OHS legal and other requirements (Annexure B, effective May 2025):

• The supplier, contractor, or tenderer must understand and comply with the following documents when working at or rendering a service to Eskom:

a. Eskom Contractor Health and Safety Requirements Standard 32-136.

b. OHS specification/requirements provided by Eskom for the specific contract.

c. Occupational Health and Safety Act (Act 85 of 1993).

d. Compensation for Occupational Diseases and Illnesses Act (Act 130 of 1993).

• After contract award, the supplier is responsible for fully aligning the company's processes to Eskom's OHS requirements (policies, procedures, standards, etc.).
• Penalties shall be enforced on the main supplier for non-conformances (identified for the main supplier and/or its contractor and/or supplier) pertaining to Eskom and/or statutory OHS requirements.
• Ensure all employees (including contractors and suppliers) undergo the relevant Eskom induction and the company's own induction.
• A signed acknowledgement form must be submitted by an authorised person (CEO, Director, or Managing Director) with two witnesses, confirming that copies of the above documents have been obtained and are fully understood, including the consequences of non-compliance.

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Technical evaluation will assess the service provider's qualifications and experience in cooling water microbiological treatment, including service history and performance capability. Quality requirements are set in the Scope of Work; the contractor must adhere to these and the employer will check performance before delivery. Acceptance criteria are specified and mandatory technical evaluation applies for non-compliance. Certificate of Analysis and Scope Compliance are checked on delivery against specification criteria.

Supply, delivery and dosing of cooling water chemicals for Grootvlei Power Station. Contractor must provide chemicals meeting the specification in the Scope of Work and perform cooling water microbiological treatment. Contractor to provide training for operation of dosing pumps; a procedure for operating dosing pumps will be developed. Pre-job risk assessment required. Work plan to be agreed to ensure continuous supply of cooling water treatment. Controls include minimising leaks on vessels, optimising dosing concentrations, water pre-treatment and raw water system regeneration. Procurement plan to be managed and tracked. Contractor employees may be injured when offloading chemicals; dangers and hazards may cause personal injuries during offloading or chemical spillages. Contractor shall submit a safety plan complying with safe work procedures for employer acceptance. Permit to work and acid-resistant PPE required; equipment to be used at all times. Induction provided by Protective Services for site access; medical reports accepted per security requirements. Compliance with Eskom safety, environmental and quality standards required; Eskom safety file available to contractor. Disaster Recovery Plan required for emergencies such as Covid-19; contingency plans developed per Eskom procedures.

Service provider qualification and experience in cooling water microbiological treatment defined and requested. Employer to check performance; service history of contractor evaluated during technical evaluation. Poor chemicals quality may compromise station cooling water quality and result in plant challenges on the Turbine plant.

Quality requirements: chemicals specification set in Scope of Work; contractor must adhere to quality requirements; employer to check performance before delivery. Quality of deliverables specified; acceptance criteria defined; mandatory technical evaluation for non-compliance. Certificate of Analysis and Scope Compliance checked on delivery. Technical evaluation against specification criteria.

Cost of implementation considered; risk of over budgeting or under budgeting identified. Renegotiation of agreement for new contract may be required. Detailed quantity surveyor estimates done; overexpenditures or under expenditures monitored.

Compliance with Eskom safety, quality and environmental standards and regulations required; environmental department evaluates compliance. Contractual terms captured and referred to legal; non-compliance with contract terms identified as risk; contract terms to be complied with at all times. Disaster Recovery Plan required. CIDB compliance, implementation programme, licence fees, running costs, learning curve, external consultants, interfacing equipment, downtime disruption, staff morale, working conditions, job descriptions, maintenance costs, weather conditions, time constraints, scope increase, cost analysis, skills availability, employment requirements, change management, procurement risks, communication risks — all identified as risk statements with Y/N responses in the risk assessment. No specific CIDB grading, B-BBEE level, or local content percentage stated in the provided document.

Contractor employees may be injured when offloading chemicals; dangers and hazards may cause personal injuries during offloading or chemical spillages. Contractor shall submit a safety plan complying with safe work procedures for employer acceptance. Permit to work and acid-resistant PPE required; equipment to be used at all times. Pre-job risk assessment required. Induction provided by Protective Services for site access; medical reports accepted per security requirements. Contract specifies compliance with Eskom safety, environmental and quality standards; Eskom safety file available to contractor. Disaster Recovery Plan required for emergencies such as Covid-19; contingency plans developed per Eskom procedures. Protests at the station may affect delivery; regular communication about protest status and safety required.

Contract specifies compliance with Eskom environmental standards and regulations; environmental department evaluates compliance. Chemical spillages identified as risk.

Contractual terms captured and referred to legal; non-compliance with contract terms identified as risk; contract terms to be complied with at all times. Contract period to be sufficient; duration of contract to suffice.

Mandatory requirements: IBI training specified in contract; quality requirements/objectives set in contract; acceptance criteria specified; compliance with Eskom safety, quality and environmental standards; Disaster Recovery Plan required; legal requirements captured. Risk statements with Y/N responses cover: CIDB compliance, implementation programme, licence fees, running costs, learning curve, external consultants, interfacing equipment, downtime disruption, staff morale, working conditions, job descriptions, maintenance costs, weather conditions, time constraints, scope increase, cost analysis, skills availability, employment requirements, change management, procurement risks, communication risks.

Scope: Supply, delivery and dosing of cooling water chemicals at Grootvlei Power Station for a period of 60 months.

Environmental requirements:

• Comply with all Eskom Grootvlei Power Station environmental policies, standards and procedures (work instructions).
• Appoint personnel in writing with basic environmental knowledge responsible for implementing environmental/SHE requirements on the contract.
• Adhere to the Station Waste Management Procedure and colour coding at all times.
• Communicate all environmental requirements to relevant employees.
• Observe the 'Duty of Care' under section 28 of the National Environmental Management Act.
• Adhere to applicable environmental legislation, licences, permits and other requirements.
• Ensure all chemical materials are packed and transported in accordance with the manufacturer's requirements and relevant legislation.
• Provide a Safety Data Sheet (SDS) for each chemical at the time of delivery.
• Identify and document all aspects and impacts that could result in negative environmental impacts from operations.
• Establish documented objectives and targets for significant aspects and impacts, and convey them to all contractor personnel.
• Manage all incidents according to Eskom Environmental Incident Management Procedure 240-133087117.
• Apply polluter-pays principle: the contractor is responsible for cleaning all spillages and rehabilitating polluted land, including associated costs.
• Participate in regular environmental audits conducted by client personnel and execute corrective actions.
• Address non-conformances issued for deviations from Grootvlei Power Station procedures or other environmental requirements.
• Make all environmental system documentation, records and reports available for review when requested.

Client personnel will conduct regular environmental audits; contractors must participate and ensure corrective actions are executed. Eskom Grootvlei Power Station will issue non-conformances for deviations from station procedures or other environmental requirements. All environmental system documentation, records and reports must be made available for review when requested.

Adherence to the 'Duty of Care' as stipulated in section 28 of the National Environmental Management Act.

A date of 04 February 2026 appears on the evaluation template as the signature date of the Eskom OHS Representative (Maki Mofokeng). The official tender closing date from the tender record is 05 October 2026 at 10:00. No compulsory briefing or site visit dates are stated in the provided document.

Eskom OHS Representative: Maki Mofokeng, Safety Officer OHS. No email, phone, or submission address is provided in the document.

Returnable documents required with the tender:

• Annexure B: Acknowledgement of Eskom's OHS legal and other requirements, signed and submitted by the tenderer.
• Health and Safety Plan addressing the project/scope of work OHS risks and aligned with the health and safety specification or requirements.
• Detailed costing for Health and Safety management, broken down (not a lump sum), based on the overall scope of work/service; the scope of work and risk assessment may serve as a guideline.
• Baseline OHS Risk Assessment (BRA) with identification, assessment and management of OHS risks related to the scope of work; the methodology used for the risk assessment must be provided together with the BRA.
• Valid Letter of Good Standing (COIDA or equivalent).
• OHS policy signed by the CEO, complying with Section 7 of the Occupational Health and Safety Act.
• OHS Competency: Safety Officer with a recognised 3-year qualification/diploma; CV and qualifications/certificates must be submitted (competencies required to be listed).

All returnables are evaluated on a Yes/No/Not Applicable basis; omission or incomplete submission may lead to disqualification.

The tender uses an OHS Tender Evaluation Template (High risk) (Document Identifier 240-77471651 Rev 3) to assess returnable documents. Each returnable is scored Yes/No/Not Applicable. A recommendation of Recommended or Not Recommended is made based on the evaluation. No price/functionality split, minimum qualifying score, or preference point system (80/20 or 90/10) is stated in the provided document. Explanatory notes for OHS requirements are referenced in document 240-77433139 Annexure A: Supplier Risk Category 1.

Scope of work: Supply, Delivery and Dosing of Cooling water chemicals at Grootvlei Power Station for a period of 60 months. The Health and Safety Plan must address the project/scope of work OHS risks and be aligned with the health and safety specification or requirements. The Baseline OHS Risk Assessment must cover identification, assessment and management of OHS risks related to the scope of work, with the methodology provided.

Detailed costing for Health and Safety management must be submitted, broken down (not a lump sum), based on the overall scope of work/service to be performed. The scope of work and risk assessment may serve as a guideline for the costing. No pricing schedule, bond, guarantee, insurance, or payment terms are stated in the provided document.

Mandatory compliance documents:

• Registration on the Central Supplier Database (CSD) and a valid SARS tax clearance certificate or tax compliance status PIN (from tender record).
• Valid Letter of Good Standing (COIDA or equivalent).
• OHS policy signed by the CEO, complying with Section 7 of the Occupational Health and Safety Act.
• Safety Officer with a recognised 3-year qualification/diploma; CV and certificates to be submitted.
• Acknowledgement of Eskom's OHS legal and other requirements (Annexure B) signed and submitted.
• Health and Safety Plan aligned with the health and safety specification.
• Baseline OHS Risk Assessment with methodology.

No specific CIDB grading, B-BBEE level, local content thresholds, or professional-body registrations are stated in the provided document.

Mandatory OHS returnables:

• Annexure B: Acknowledgement of Eskom's OHS legal and other requirements, signed and submitted.
• Health and Safety Plan addressing project/scope of work OHS risks, aligned with the health and safety specification.
• Detailed OHS costing (broken down, not lump sum) based on overall scope of work; scope and risk assessment may guide costing.
• Baseline OHS Risk Assessment (BRA) with identification, assessment and management of OHS risks; methodology must be provided.
• Valid Letter of Good Standing (COIDA or equivalent).
• OHS policy signed by CEO, complying with OHS Act Section 7.
• Safety Officer with a 3-year qualification/diploma; CV and certificates to be submitted (competencies listed).

Evaluation uses Yes/No/Not Applicable scoring; final recommendation Recommended/Not Recommended. Eskom OHS Representative: Maki Mofokeng, Safety Officer OHS (signed 04 February 2026).

Evaluation is performed using the OHS Tender Evaluation Template (High risk) (Document Identifier 240-77471651 Rev 3). Each OHS returnable is assessed as Yes/No/Not Applicable. A final recommendation of Recommended or Not Recommended is recorded. Explanatory notes for OHS requirements are referenced in document 240-77433139 Annexure A: Supplier Risk Category 1.

Returnable documents required:

• Completed and signed Form A (E.1).
• QMS Manual or document defining the QMS scope or Quality Method Statement (A.1).
• Quality Policy approved by top management (A.2).
• Quality Objectives approved by top management (A.3).
• Documented information for defined roles, responsibilities and authorities, including organisation chart and responsibility matrix covering the quality management function (B.1).
• Documented information for control of externally provided processes, products and services, including criteria for evaluation, selection, monitoring and re-evaluation of external providers per ISO 9001:2015 clause 8.4 (B.2).
• Documented proof of compliance of all materials and equipment to Eskom and other national/international standards, including valid calibration/test certificates for all equipment (B.3).
• Documented information for preservation of goods (identification, handling, contamination control, packaging, storage, transportation, protection), proof of adequate workshop and warehousing facility (owned or leased), and procedure for handling of chemicals (B.4).
• Documented information for project-related risks and opportunities (risk register and action plan or template); OHS risk assessment must not be submitted (B.5).
• Dosing process/procedure (E.2).

Form A must be completed and signed (E.1).

Quality evaluation scored across three sections (indicator = 1):

• Section A (Quality Management System Requirements ISO 9001): maximum 3 points (A.1, A.2, A.3 each 1 point).
• Section B (Evidence of QMS in Operation): maximum 5 points (B.1 to B.5 each 1 point).
• Section E (User-defined Additional Requirements): maximum 2 points (E.1 Form A completed and signed, E.2 Dosing process/procedure, each 1 point).

Total quality score: 10 points. No price/functionality split, preference point system (80/20 or 90/10), or minimum qualifying thresholds stated in this document.

Scope: Supply, delivery and dosing of cooling water chemicals at Grootvlei Power Station for a period of 60 months.

Quality requirements:

• QMS must comply with ISO 9001 (certified or documented evidence of compliance).
• Documented roles, responsibilities and authorities with organisation chart and responsibility matrix including quality management function.
• Control of externally provided processes, products and services per ISO 9001:2015 clause 8.4.
• All materials and equipment must comply with Eskom and other national/international standards; valid calibration/test certificates required for all equipment.
• Preservation of goods covering identification, handling, contamination control, packaging, storage, transportation and protection; adequate workshop and warehousing facility (owned or leased); procedure for handling of chemicals.
• Project risk register and action plan or template (OHS risk assessment excluded).
• Dosing process/procedure to be submitted.

Bidders must submit a documented dosing process/procedure (E.2) as part of the returnable documents.

No explicit CSD registration, tax compliance, B-BBEE, CIDB, CIPC, professional registration or local content requirements stated in this document. Compliance with ISO 9001 quality management system requirements is mandatory.

Quality evaluation across three sections (indicator = 1):

• Section A (Quality Management System Requirements ISO 9001): 3 points total (A.1 QMS Manual/Quality Method Statement, A.2 Quality Policy, A.3 Quality Objectives — each 1 point).
• Section B (Evidence of QMS in Operation): 5 points total (B.1 Roles/responsibilities/authorities with org chart and responsibility matrix, B.2 Control of externally provided processes/products/services per ISO 9001:2015 clause 8.4, B.3 Compliance of materials/equipment with standards and valid calibration certificates, B.4 Preservation of goods with facility proof and chemical handling procedure, B.5 Project risk register/action plan — OHS risk assessment excluded — each 1 point).
• Section E (User-defined Additional Requirements): 2 points total (E.1 Form A completed and signed, E.2 Dosing process/procedure — each 1 point).

Total quality score: 10 points.