Upgrade of cip chemical loading system at lethabo power station to enhance safety and efficiency

Closing date for submission of the E-Tendering Training Acknowledgement Form: 27 January 2025.

Scope: Design, manufacturing, supply, installation, quality assurance, commissioning, and handover of the eductor system for the Spiral Reverse Osmosis (SRO) Chemical Cleaning in Place (CIP) system at Lethabo Power Station. The eductor system aims to reduce manual labour and improve safety for chemical loading and offloading. Key deliverables: Detailed design, procurement of materials, fabrication (including FAT), delivery to site, construction, commissioning, testing, training, and configuration management. Site access and safety: Safety File approval, safety induction, and access to plant area are required as per the accepted program. Risk Register and Site Information are provided in Part 4 of the document.

Pricing: Option A (Priced contract with activity schedule) under NEC3 ECC3. Submit pricing data in Part C2. Payment terms: 30 calendar days after signed assessment and valid tax invoice (60 days for contracts above R50,000,000). Interest rate: Prime rate as quoted by Standard Bank of South Africa. Retention: 10% of every payment certificate. Advance payment: As per Option X14 (if applicable). Price adjustment for inflation: Base date is one month prior to tender closing date (Option X1). Bonds/guarantees: Performance Bond (Option X13), Parent Company Guarantee (Option X4), and Advance Payment Guarantee (if applicable).

B-BBEE: Contractor must notify Eskom within 7 days of any change in B-BBEE status and submit an updated verification certificate within 30 days. Failure to notify may result in contract termination or renegotiation. CIDB registration: Required (tenderer’s CIDB registration number must be provided in the Form of Offer). Joint ventures: Must notify Eskom of the key person authorised to bind the contractor and cannot alter the composition without Eskom’s written consent. Health and Safety: Contractor may be appointed as Principal Contractor under Construction Regulations 2014. Must comply with all applicable health, safety, and environmental laws. Insurance: Contractor must provide insurance as per Insurance Table A (e.g., loss of/damage to works, equipment, liability for bodily injury/death). Security Clearance: Criminal verification record security clearance certificates required for all personnel accessing Eskom sites (valid for 26-52 weeks, issued by SAPS-accredited providers). POPIA Compliance: Both parties must comply with the Protection of Personal Information Act (POPIA) for shared personal information. Asbestos: Employer ensures ambient air meets asbestos safety standards; contractor may stop work if unsafe conditions are identified.

Completion date for the whole of the works: Six months from the official start date. Defects date: 52 weeks after completion. Defect correction period: 4 hours for defects affecting system availability; 2 weeks for latent defects or non-critical defects. Assessment interval for payments: Between the 25th of each month and the date of the signed assessment. Payment due: 30 calendar days after signed assessment and valid tax invoice (60 days for contracts above R50,000,000).

Project Manager and Supervisor are based at Lethabo Power Station, Deneysville Rd, Viljoensdrift. Employer: Eskom Holdings SOC Ltd, Registered office at Megawatt Park, Maxwell Drive, Sandton, Johannesburg. Submission address for signed documents: Lethabo Power Station, Deneysville Vaal Dam Road, Vereeniging, 1930.

Scope: Loading of SRO CIP Chemicals at Lethabo Power Station. Deliverables: Operational plan for provision of services (per ISO 9001:2015 Clauses 6,7,8), documented control of nonconforming outputs (per Clause 8.7), Draft Contract Quality Plan (per ISO 10005), Quality Control Plan/Checklist/ITP (per scope of work), and Product/Service Risk Register (excluding Safety Baseline Risk Assessment).

ISO 9001 certification (Option 1) OR documented QMS compliant with ISO 9001:2015 (Option 2). Must demonstrate capability to deliver the Loading of SRO CIP Chemicals scope.

Scope: Loading of SRO CIP Chemicals at Lethabo Power Station. The document itself is a PAYE Questionnaire for Eskom service contracts, designed to determine tax classification (Independent Contractor, PSP, Labour Broker, or Dependent Contractor) based on the Income Tax Act. It does not specify technical deliverables for the chemical loading service.

Tax compliance: Must complete and sign the PAYE Questionnaire (Evaluation Pack A for Companies/CCs/Trusts or Pack B for Individuals) to determine tax status. Required affidavits/declarations (Appendices 1-9) must be signed to avoid PAYE withholding. Non-residents must sign Appendix 9. Labour Brokers must provide a valid IRP30 exemption certificate (Appendix 6) to avoid PAYE withholding. Contractors must notify Eskom of any changes in their status or information provided.

Closing date: 12 June 2026 at 11:00. Pack is valid for the 2023/2024 tax year (1 March 2023 to 28 February 2024).

For submissions or queries, contact your Eskom contractor representative. Copy Group Tax at: [email protected]. For tax-related clarifications, consult Eskom’s Corporate Tax Department in Megawatt Park.

Scope: Design, manufacture, supply, install, commission, and handover a chemical loading system for SRO CIP Chemicals at Lethabo Power Station to minimize manual handling and improve safety. Key deliverables: (1) Chemical handling and storage system with eductor for dry/wet chemicals (max 625 kg/hr dry, 420L/hr wet). (2) Mechanical: Pumping/piping (150NB, PN16, EN 13480), valves (butterfly/non-return/ball), eductor (PN10, 500kPa, 162m³/hr motive water), bunded area (SANS 10089/310). (3) C&I: Local pressure gauges, Siemens S7-300 PLC integration, Wonderware InTouch SCADA. (4) Electrical: Compliance with Eskom standards (240-56227443, 240-56356396). (5) Civil: Foundations, structural design (240-56364545). Standards: OHSACT, SANS (10108, 10142, 347, 10227), Eskom standards (e.g., 240-89147446, 240-56355754). Testing: Factory Acceptance Test (FAT) for pumps, Site Integration Test (SIT), commissioning. Training: On-site for 8 operators, 6 maintenance (2 electrical, 2 C&I, 2 mechanical), 6 engineering (2 electrical, 2 C&I, 2 mechanical), 6 chemistry staff. Documentation: As-built drawings, data books, maintenance/operating manuals, cable schedules, earthing test results. Additional requirements: Contractor must provide method statement and project schedule with tender submission. Contractor must appoint its own Authorised Supervisor (AS) to execute project scope. All flanged connections must use non-asbestos gaskets (MSDS required) and bolts torqued to 60% yield strength in a star sequence.

Compliance with OHSACT 1993, SANS standards (10108, 10142, 347, 10227), Eskom Generation Plant Safety Regulations, and site-specific procedures. Provide Material Safety Data Sheets (MSDS) for all chemicals and gaskets. Non-asbestos gaskets required. Waste management must align with Lethabo Power Station’s procedures (LBE22004, LBA00174) and Eskom Waste Standard (32-245). Quality Control Plan (QCP) must be approved by Employer’s QC and Engineering. All permits must be established before work commencement. Professional engineering certification required for civil works (ECSA registered engineer for design sign-off). Contractor must comply with Eskom SHEQ Policy and environmental standards (240-56031741, 240-56031742).

Scope: Loading of SRO CIP Chemicals at Lethabo Power Station.

• Suppliers must develop, implement, and maintain a Quality Management System (QMS) based on ISO 9001.
• Contract Quality Plan (CQP) and Quality Control Plan (QCP)/Inspection and Test Plan (ITP) required for all products, services, and processes.
• Special processes (e.g., welding, non-destructive testing) require pre-qualification, operator certification, and Eskom approval.
• Preservation programs for materials/equipment must comply with Eskom’s engineering and project-specific requirements.
• Sub-suppliers must meet the same QMS and quality documentation standards as the main supplier.
• Eskom reserves the right to audit, inspect, and oversee all quality-related activities at any stage.

Mandatory compliance requirements:

• ISO 9001 certification (or equivalent QMS standard) for the supplier and sub-suppliers, unless excluded per tender category.
• Completion of Form A (240-68099512) and submission of all returnables listed in the List of Tender Returnables (240-12248652).
• B-BBEE: Minimum Level 1 (as per PPPFA and Eskom’s Procurement Policy).
• CIDB registration (if applicable for construction-related work).
• Compliance with Eskom’s Procurement and Supply Chain Management Policy (32-1033) and Procedure (32-1034).
• Adherence to SHEQ Policy (32-727) and relevant safety/environmental standards.
• Documentation of roles, responsibilities, and training records for quality personnel (aligned with SETA requirements).

No specific dates provided in the document beyond the tender closing date (refer to tender record).

Department: Supply Chain Management (SCM). No specific names, emails, phones, or addresses provided in the document.

Scope: Loading of SRO CIP Chemicals at Lethabo Power Station. Mandatory technical requirement: Project lead discipline (Tender Engineer Mechanical) must be professionally registered with ECSA (Pr. Eng or Pr. Tech). Proof of registration (certificate + number) must be submitted. Functionality criteria apply (70% qualitative threshold). Designated local content components (if applicable) include: Joining/connecting components (100%), wire products (100%), fasteners (100%), fabricated structural steel (100%), cement (100%), reinforcing bars (100%), HDPE pipes (100%), steel pipes ≥150mm (100%). Local procurement content target: 100%. Subcontracting: 15% of scope must be allocated to EME/QSE with ≥51% black ownership (non-subsidiary, preferably local to site). Job creation/retainment proposals required. Cataloguing information may be required post-award (Eskom pays for this).

Pricing must be inclusive of VAT, exclude contingencies, and allow for arithmetical error corrections. Unconditional discounts are considered in evaluation; conditional discounts applied at payment. Payment terms: ≤R50M contracts: 30 days from undisputed invoice receipt. >R50M contracts: 60 days from undisputed invoice receipt. Pricing schedule must be submitted in PDF + Excel. SDL&I penalty: 1% of contract value for non-compliance. Eskom retains 1% of each invoice (excluding VAT) as security for SDL&I obligations; released upon fulfilment. Quarterly SDL&I compliance reports required. SDL&I Implementation Schedule due 28 days post-award.

Mandatory: CSD registration (CSD number/report), CIDB grading 3ME or higher (valid proof required at closing), COIDA certificate of good standing (South African tenderers only), tax clearance certificate (local tenderers without SARS PIN/CSD profile; foreign tenderers with SA footprint without CSD/SARS PIN), Employment Equity compliance proof (if designated employer), ECSA registration for lead engineer, SBD forms (1, 4, 6.1, 6.2), Integrity Pact Declaration, and valid B-BBEE certificate/sworn affidavit (EME: ≤R10M revenue; QSE: ≤R50M revenue, unless ≥51% black-owned; >R50M: SANAS certificate). Joint ventures: All members must be CIDB-registered; lead partner must have ≥3ME or one level below; combined grading must meet tender value. Additional: SHEQ requirements (see SHEQ folder), financial statements (audited/management accounts, no drafts), public interest score (if not audited), ITA34C for current/previous years (if not audited). B-BBEE Improvement Plan required within 30 days of contract award (milestones: Level 4→3 in Year 1; Level 5-8→4 in Year 1, then improve one level annually).

Closing date: 12 June 2026 at 10:00 AM. Non-compulsory clarification meeting: 03 June 2026 at 10:00 AM via Microsoft Teams (link: Clarification Meeting : Loading of SRO CIP Chemicals at Lethabo Power Station E2782GXMPLETR | Meeting-Join | Microsoft Teams). Confirm attendance by email to [email protected] by 02 June 2026 at 15:00. Clarification queries deadline: 5 working days before closing (05 June 2026). Tender validity period: 120 days from closing date.

Eskom Representative: Carron Mashilwane. Tel: 016 457 5514. Email: [email protected]. Secondary contact: Simon Ndlakuse, Email: [email protected]. Submission portal: Eskom E-Tendering (Eskom Tender Bulletin). Fraud/corruption reporting: 0800 11 2722 or [email protected].

Submit detailed costing for OHS management, broken down (not lump sum). Costing must be based on the overall scope of work and risk assessment. Use the scope of work and risk assessment as a guideline for the cost breakdown.

1) Valid Letter of Good Standing (COIDA or equivalent). 2) OHS policy signed by CEO, compliant with OHS Act Section 7. 3) Proof of OHS competency (CVs, qualifications/certificates). 4) Signed acknowledgement of Eskom's OHS legal and other requirements (Annexure B).

Scope: Loading of SRO CIP Chemicals at Lethabo Power Station. Category 2 (refer to clause 3.5-105658000) is selected as applicable. Post-Contract Award requirements include Contract Execution, Supplier Quality Performance Monitoring, Eskom Rights of Access, Eskom Rights to Information, Preservation, Quality Audits, and Management of Nonconformities. ISO 9001 Standard clauses 4-10 are applicable, including Context of the Organisation, Leadership, Planning, Support, Operation, Performance Evaluations, and Improvement.

Compliance with Eskom Supplier Quality Requirements (240-105658000) and ISO 9001 Standard is mandatory. Tenderer must complete and sign Form A to confirm acceptance of these requirements.

Closing date: 04 February 2026. Quality and Audit Support Officer signature date: 04 February 2026.

CSD (Central Supplier Database) number is mandatory to access the eTendering system. No other compliance requirements (e.g., B-BBEE, CIDB, tax clearance) explicitly stated in the document.

Closing date: 2026-06-12 at 11:00. No other dates (e.g., briefings, site visits, clarification deadlines) specified in the document.

For system issues: Contact the buyer responsible for the published tender. Automated submission confirmations sent from: [email protected]. No direct SCM/technical contact details provided.

Closing date for Integrity Pact-related submissions: 27 June 2023. Note: Tender closing date is 12 June 2026 at 11:00 (from tender record).

Ethics office: [email protected]. Forensic office: [email protected]. Hotline: 0800 11 27 22.

Mandatory compliance with: Eskom Contractor Health and Safety Requirements Standard 32-136; OHS specifications/requirements provided by Eskom; Occupational Health and Safety Act; Compensation for Occupational Diseases and Illnesses Act. Post-award: align company processes with Eskom’s OHS policies, procedures, and standards. Penalties apply for non-conformance by the main supplier or its sub-contractors/suppliers. Eskom may verify compliance and request evidence of past work.

Scope: Design, manufacture, install, test, and commission a new CIP (Clean In Place) chemical loading system at Lethabo Power Station to eliminate manual handling of hazardous chemicals. Current process requires operators to carry dry chemical bags up stairs to the CIP tank, creating safety risks. Key deliverables: Detailed design and engineering of the system. Manufacturing of all components. Decommissioning/removal of existing equipment where applicable. Installation: Welding of sampling lines, valves, and probes; provision of scaffolding; installation of C&I and electrical equipment. Testing and commissioning of the installed system. Supply of manuals and specifications for the new system. Training: Theoretical and practical training for Chemical Services, Maintenance, and Operating staff. Context: Lethabo Power Station (Free State) operates a desalination plant (500 m³/h capacity) using ultrafiltration (UF) and reverse osmosis (RO) processes. The CIP system cleans membranes to restore performance. The new system must minimize manual handling and improve operator safety.

Mandatory compliance: Project lead discipline engineer (mechanical) must be professionally registered with ECSA (Pr. Eng or Pr. Tech). Proof of registration (certificate + number) must be submitted. Failure to comply results in technical disqualification. Structural: Lead Structural Design Engineer/Technologist must have ≥5 years relevant design experience and be ECSA-registered as Professional Engineer or Technologist. If subcontracted, a signed letter of intent specifying roles/responsibilities is required. Welding: ISO 3834-2 certification required for steel piping. For HDPE piping, the fusion welding standard to be used must be explicitly stated. Electrical: Electrical Technician must possess a trade test and have ≥4 years of experience. C&I: Instrument Technician must have ≥1 year of relevant experience (scoring increases with experience: 1-2 years = partial, ≥5 years = full).