ESKOM tender: installation of elevated drains at ash dam (12-Month contract, mpumalanga)

The contact information is not stated in the available document text.

The document does not state the submission guidelines. Bidders should prepare returnable documents, but the specific requirements are not stated in the available document text.

The evaluation criteria are not stated in the available document text.

The technical specifications include the installation of elevated drains at the ash dam, with specific details on silt traps, solution trenches, side drain collectors, and piezometer lines. The specifications also reference various drawings, including DRW P047-R0056-005, DRW P047-R0056-006, and DRW P047-R0056-007.

The financial requirements are not stated in the available document text.

No specific compliance requirements are stated in the available document text.

Scope: Installation of elevated drains at an ash dam over 12 months. Key deliverables and specifications:

• Layered foundation construction: Approved graded filter sand layer (600mm thick), top rock bedding (100mm–200mm dia, 500mm thick), middle rock layer (200mm–300mm dia, 500mm thick), bottom rock layer (>300mm dia, 500mm thick).
• Drainage components: 200mm dia uPVC pipes and 160mm dia perforated Drainex drainpipes (or Engineer-approved equivalents).
• Geotextile: A4 bidim or similar, approved by the Engineer.
• Seepage collector box: Class 35/19 MPa concrete with Ref 395 wire mesh in the floor slab.
• Drainage system must discharge into a solution trench.
• Foundation width: 2.9m–3.0m.
• Cross-sections and plan views provided at 1:50 scale (A3).
• All materials, methods, and equivalents require Engineer’s approval.

{"name": "Tshepiso Mahlake", "email": "[email protected]", "phone": "013 690 0508", "department": "Eskom Representative", "address": null}

• Submit electronically via https://etendering.eskom.co.za by 09 June 2026 at 10h00 a.m. Late submissions will not be accepted.
• Upload documents under folders: Technical, Commercial, Financial, and Other. All documents must be in PDF format (max 500MB per file, total submission max 4GB). Price list must be submitted in both PDF and Excel.
• No ZIP files or hard copies accepted. Resubmissions will override previous versions; only the latest submission is valid. Ensure submission status is marked as 'complete'.
• Mandatory returnables include: Authorisation Form (Annexure A), Acknowledgement Form (Annexure B), Tenderer’s Particulars (Annexure C), Integrity Declaration Form (Annexure D), CPA Requirements for Local Goods/Services (Annexure E), SBD 1 (Annexure H), SBD 6.1 (Annexure I), SBD 4 (Annexure J), Tax Evaluation Questionnaire, and Pricing Schedule/BOQ.
• Failure to submit mandatory documents or upload tender documents will render the tender non-responsive.
• Alternative tenders are not allowed.

• Evaluation stages: Commercial responsiveness (Basic Compliance), Functionality (Technical responsiveness), SDL&I Requirements, Price & Special Goals (80/20 or 90/10), Contractual Requirements (SHEQ Evaluation), Financial Analysis and Evaluation.
• Price evaluation: Scored out of 80 points. Includes VAT, excludes contingencies, corrected for errors, adjusted for acceptable variations, and compared via Net Present Value. Unconditional discounts are considered; conditional discounts are not.
• Specific Goals (B-BBEE): Scored out of 20 points under PPPFA. Points awarded based on B-BBEE Status Level (e.g., Level 1 = 20 points, Level 2 = 18 points). Failure to submit evidence results in 0 points for Specific Goals but does not disqualify.
• Ranking: Tenderers ranked by total points (Price + Specific Goals). Contract awarded to the highest scorer.
• SDL&I: Commitments form part of contractual obligations but do not affect scoring. Non-compliance may result in penalties (2.5% of invoice/contract value) and retention of 2.5% of invoices until obligations are met.

• Scope: Installation of elevated drains at the ash dam for a 12-month contract period at Duvha Power Station.
• Deliverables: Install two side drain collectors, main pipe drainage system, construct two concrete seepage collector boxes, prepare foundation bedding layer, and seepage collector.
• Health and Safety: Submit Health and Safety Plan, Baseline OHS Risk Assessment (BRA), Valid Letter of Good Standing (COIDA), OHS Policy signed by CEO, detailed OHS costing, and OHS Competency (e.g., Legal Liability certificate, Supervisor Course, SHE Rep Certificate).
• Environmental: Submit Environmental Policy (ISO 14001:2015), Roles & Resources Procedure, Emergency Preparedness Procedure, Contractor’s Environmental Management Plan (EMP), Site Environmental Representative Appointment Letter, Method Statements, Waste Management Plan, and Rehabilitation Plan.
• Quality: ISO 9001 certification (Option 1) or documented QMS (Option 2). Submit QMS Manual, Quality Policy, Quality Objectives, Control of Documented Information, Nonconforming Outputs, Corrective Action, Internal Audit, Management Review Records, Contract Quality Plan, and Quality Control Plan/Inspection and Test Plan (ITP).

• Pricing Schedule/BOQ must be submitted in PDF and Excel format.
• Payment terms: For contracts below R50M (incl. VAT), payment within 30 days of undisputed invoices. For contracts above R50M (incl. VAT), payment within 60 days.
• Financial viability: Submission of latest audited financial statements (previous 18 months or last year) may be required. For JVs/SPVs, submit audited statements for each participant.
• SDL&I: 2.5% of invoice/contract value retained until SDL&I obligations are fulfilled. Penalties of 2.5% apply for non-compliance.

• Mandatory: CSD registration, CIDB 3CE or higher (valid proof required for main contractor, JV, and/or sub-contractor by tender closing or within 21 working days if agreed with Eskom).
• B-BBEE: Valid B-BBEE certificate (SANAS-accredited) or sworn affidavit (for EMEs with revenue ≤ R10M or QSEs with revenue ≤ R50M and ≥51% Black-owned). Submit proof of ownership/shareholding, certified ID copies of shareholders, and disability proof (if applicable). Consolidated B-BBEE certificate required for trusts, consortia, or JVs.
• Local Content: Submit Local Content Declaration (Annexures G1-G4) if designated materials are included. Eskom target: 100% local procurement content.
• Tax: Tax Evaluation Questionnaire required to determine personal service provider status for PAYE.
• Additional: SBD 1, SBD 6.1 (PPPFA 2022), SBD 4 (Bidders Disclosure), Integrity Declaration Form, and CPA Requirements for Local Goods/Services (Annexure E).

Name of Buyer: Phindile Sibeko

Compiled by: Thabitha Makua, Senior Advisor, Supplier Development Localisation and Industrialisation

Date: 19 January 2026

The following documents are required to claim preference points:

• Valid B-BBEE certificate issued by a SANAS accredited verification agency / sworn affidavit / CIPS affidavit. Eskom will not accept a sworn affidavit with an electronic signature.
• Proof of ownership / shareholding (preferably CIPC documentation) inclusive of shareholding breakdown.
• Certified ID copies of shareholder(s).
• Proof of Disability (where applicable).
• In a case of a trust, consortium or joint venture (including incorporated consortia and joint ventures), a consolidated B-BBEE status level verification certificate.

Tenderers failing to provide documentation for the allocation of preference points will not be disqualified, but:

• May only score points out of 90 for price.
• Scores 0 points out of 10 for specific goals.

The contract will be awarded to the tenderer scoring the highest points.

Points are awarded based on a 90/10 or 80/20 system, with points allocated for price and specific goals (B-BBEE Status Level).

B-BBEE Status Level Points Allocation:

• Level 1: 10 points (90/10 system) / 20 points (80/20 system)
• Level 2: 9 points (90/10 system) / 18 points (80/20 system)
• Level 3: 6 points (90/10 system) / 14 points (80/20 system)
• Level 4: 5 points (90/10 system) / 12 points (80/20 system)
• Level 5: 4 points (90/10 system) / 8 points (80/20 system)
• Level 6: 3 points (90/10 system) / 6 points (80/20 system)
• Level 7: 2 points (90/10 system) / 4 points (80/20 system)
• Level 8: 1 point (90/10 system) / 2 points (80/20 system)
• Non-compliant contributor: 0 points.

SDL&I Objectives do not form part of scoring but commitments will form part of contractual obligations.

Scope of Work: Installation of Elevated Drains

Duration of the Project: Twelve (12) months

Budget: R2 340 000.00

Eskom will retain 2% of every invoice (excluding VAT) as security for the fulfilment of all SDL&I Obligations. The retained amounts will be released upon:

• Eskom receiving the SDL&I progress report(s) from the contractor.
• Fulfilment of all SDL&I obligations by the contractor.
• Submission of an approved compliance report by the SDL&I Department.

B-BBEE Requirements:

• A valid B-BBEE certificate or Sworn Affidavit is a condition for contract award.
• If annual Total Revenue is R10 Million or less: Exempted Micro Enterprise (EME) - can submit Sworn Affidavit.
• If annual Total Revenue is R50 Million or less: Qualifying Small Enterprise (QSE) - must comply with QSE scorecard elements, unless at least 51% Black owned, then a Sworn Affidavit is required.
• If Annual Total Revenue is above R50m: Must submit a Valid B-BBEE certificate.
• Sworn affidavits must meet specific validity criteria (deponent details, enterprise details, ownership percentages, total revenue, financial year-end, B-BBEE status level, empowering supplier status, date of signature, Commissioner of Oath details).
• Eskom will not accept a sworn affidavit with an electronic signature.

SDL&I Objectives:

• Transformation – B-BBEE Improvement or Retention Plan: Tenderers are requested to submit their B-BBEE improvement or retention plan within 30 days of signing the contract.
• Level 1 tenderers must maintain their status.
• Level 2 or 3 tenderers may improve/maintain their status.
• Level 4 tenderers must achieve Level 3 by the end of the first year and improve by one level higher each subsequent year.
• Level 5 to 8 or non-compliant tenderers must achieve Level 4 by the end of the first year and improve by at least one B-BBEE Level higher each year from the second year.
• Local Procurement Content: Tenderers are required to submit proposals indicating local procurement content. Eskom target is 100%.
• Jobs: Tenderers are required to submit proposals for the type and number of jobs to be created and retained in South Africa.
• Procurement spends on entities with a minimum 51% black ownership: Tenderers are encouraged to procure/spend on designated groups.
• Eskom Target for Black Owned: 4.0%
• Eskom Target for Black Women Owned: 3.0%
• Eskom Target for Black Youth Owned: 2.0%
• Eskom Target for Black Persons with Disability: 1.0%

Penalties:

• Eskom will apply a penalty of 1.5% of the invoice amount for failure to meet SDL&I obligations.
• Eskom will apply a penalty of 1.5% of the Contract Value for failure to meet SDL&I obligations.

Reporting:

• Suppliers shall submit a quarterly report to Eskom on their compliance with SDL&I obligations.
• Eskom will review reports within 30 days and notify suppliers of non-compliance.
• Upon notification, suppliers must implement corrective measures, or retention clauses will be invoked.
• An SDL&I Implementation Schedule must be completed by suppliers and returned 28 days after contract award.

• Compliance: All work must adhere to local authority by-laws, National Building Regulations, Construction Regulations 2014, and SANS 1200. \n Site verification: Check all dimensions and levels on-site before starting work; report discrepancies to the Engineer in writing. \n Engineer’s role: May assist with initial line staking; Contractor must then maintain all setting-out pegs and survey beacons for the duration of construction. \n Materials and components: \n - 110 mm diameter PVC pipe (perforated Drainex or Engineer-approved equivalent). \n - 110 mm × 160 mm PVC reducer. \n - 160 mm PVC pipe, 45° elbow, T-piece, and link fittings. \n - Drainex or similar approved drainage systems. \n Backfill and bedding: Use coarse ash material for backfill and approved graded filter sand layer. 19 mm stone bedding for joint details. \n Joint details: 160 mm Drainex must link with 110 mm Drainex side collectors. \n Drawings: Provide detailed sections (B-B, C-C) at scales 1:20 and 1:50 as specified.

Employer’s representative: Mlungisi Mfeka

Address: Duvha Power Station, PO Box 2199

Tel: 013 691 6520

Email: [email protected]

Registered office: Megawatt Park, Maxwell Drive, Sandton, Johannesburg.

• Submit a signed Form of Offer and Acceptance, including any Schedule of Deviations if applicable.
• Attach required returnable documents: CIDB registration certificate, tax clearance certificate, B‑BBEE verification certificate, proof of insurance, and any securities/bonds/guarantees required by the Contract Data.
• Deliver the complete package to the Employer’s agent (details in Contract Data) within one week of receiving the fully signed Agreement.
• All signatures must be from duly authorised representatives; incomplete or unsigned submissions may be treated as repudiation and lead to disqualification.

Scope of work: Install elevated drain pipe system at Eskom Duvha Ash Dam (V‑section) to intercept seepage and improve dam stability.

Key deliverables:

• Clear and prepare ~570 m² area for foundation bedding.
• Construct 1.5 m thick stone/rock base and 600 mm sand blanket filter (compacted to 95 % Proctor).
• Install A4 geotextile between rock layers and sand.
• Build two concrete seepage collector boxes (incl. baffle wall) with class 35/19 MPa concrete.
• Install main drainage (3 × 160 mm perforated pipes) and side drains (110 mm perforated pipes) with stone cover and geotextile.
• Provide drainage to solution trenches via 200 mm HDPE pipes.
• Landscape and meet environmental specifications.

Standards & requirements:

• Follow NEC3 Engineering & Construction Short Contract (April 2013) and associated guidance notes.
• Comply with SANS 1200, SANS 10100/2, and relevant design standards for foundations, concrete, and drainage.
• Health & safety: Contractor may be appointed Principal Contractor; must submit approved safety file and conduct site inductions.
• Environmental: Adhere to asbestos regulations, obtain AAIA‑approved monitoring where required, and manage waste per Eskom procedures.
• Documentation: Provide method statements, quality control records, and training records for all personnel.

Pricing:

• Submit total price exclusive of VAT and inclusive of VAT (15%).
• Include a detailed price list as per Part 2 of the contract.

Payment & invoicing:

• Issue tax invoice within one week of receiving the payment certificate; include Employer’s VAT number 4740101508.
• Retention: 10 % of each payment retained until final completion.

Delay damages:

• R 3 000 per calendar day, capped at 10 % of the contract value.

Insurance:

• Provide certificates for loss/damage to works, equipment, plant, materials, and liability for property/bodily injury (Insurance Table A).
• Employer will provide asset/all‑risk, contract works, environmental liability, general/public liability, transportation, motor fleet, terrorism, and cyber liability cover (Insurance Table B).

Bonds/guarantees:

• Deliver any required securities, bonds, or guarantees within one week of receiving the signed Agreement, as stipulated in the Contract Data.

• CIDB registration: Tenderer must provide CIDB registration number on the Offer form.
• B‑BBEE: Notify Employer of any change in B‑BBEE status within 7 days; submit updated verification certificate within 30 days. Failure may lead to termination.
• Ethics (Z‑clauses): Prohibited actions (coercive, collusive, corrupt, fraudulent, obstructive) are grounds for termination.
• Health & safety: Comply with Construction Regulations 2014 (OHS Act) and all related safety standards; Contractor may be appointed Principal Contractor.
• Environmental: Meet all applicable environmental laws, including asbestos management per South African standards; AAIA‑approved monitoring may be required.
• Tax: VAT compliance mandatory; include Employer’s VAT number on all invoices.
• Registrations: Valid CIPC registration, professional engineering registrations where required, and any other licences referenced in the Contract Data.

Scope: Installation of elevated drains at an ash dam over a 12-month contract period.

Materials and Standards:

• Comply with local authority by-laws, National Building Regulations, Construction Regulations 2014, and SANS 1200.
• Use 110mm and 160mm diameter PVC pipes, including 110x160 PVC reducers, 160mm PVC 45-degree elbows, and 160mm PVC cross-pieces.
• Approved alternatives: Drainex or similar 110mm/160mm perforated drainpipes, 19mm stone, and A4 Bidim (or similar) geotextile fabric, subject to Engineer’s approval.
• Backfill with coarse ash material and approved graded filter sand.

Construction Requirements:

• Verify all dimensions and levels on-site before commencing work. Report discrepancies to the Engineer in writing.
• Engineer may assist with staking lines; Contractor must maintain all setting-out pegs and survey beacons during construction.
• Adhere to specified slopes (e.g., 0.5% dam slope).

Drawings and Details:

• Follow provided detail sections (e.g., C-C, B-B) at scales 1:20 or 1:50.
• Joint details must link 160mm Drainex with 110mm Drainex side collectors.

Scope: Install elevated drains at the V-section of the ash dam’s northern side to collect seepage and discharge it into the solution trench.

Purpose: Address erosion and saturation risks affecting the dam’s stability.

Key deliverables:

• Design and construction of elevated drain system.
• Integration with existing solution trench.
• Works must comply with the Scope of Work (referenced in evaluation criteria).