# DESIGN AND SUPPLY TRANSFORMER CORES AND SHUNTS FOR A PERIOD OF 5 YEARS AT ERI - **Reference:** E2226TSSERI - **Issuer:** [Eskom - Eskom enterprises](https://za.bidwunder.com/tenders/issuer/eskom-eskom-enterprises.md) - **Region:** Gauteng - **Type:** Works - **Published:** 2026-10-09 - **Closing date:** 2026-10-30 10:00 SAST - **Sectors:** [Electrical equipment](https://za.bidwunder.com/tenders/sector/C27.md), [Machinery](https://za.bidwunder.com/tenders/sector/C28.md) ## Summary #### Overview **Procurement of design and supply transformer cores and shunts for a 5-year period at ERI.** Eskom invites bidders with capabilities in electrical equipment design, transformer components manufacture, ISO 9001-based QMS and SHE compliance to bid for the design and supply of transformer cores and shunts for Eskom ERI over five years. #### Requirements - ISO 9001-based Supplier Quality Management System with evidence: Quality Plan, Contract Quality Plan, Quality Control Plan and QMS for supplier and sub-suppliers. - Post-contract QA: contract execution, supplier quality performance monitoring, and supplier quality audits. - SHE and health and safety compliance: adhere to Eskom Contractor Health and Safety Requirements (32-136), SHE Rules, inductions, Permits to Work, and contractor management; Annexure B acknowledgement. - Tender returnables: complete SBD 1, SBD 4, SBD 6.1, SBD 6.2 and attach Annexures A–J, Tax Questionnaire; CIDB/CSDG where applicable; local content declarations if designated materials. - Clarification/Scope: design and supply of transformer cores and shunts for 5 years; non-compulsory clarification meeting (19 Oct 206) via Teams. #### How to Apply - Submission deadline: 30 October 2026 at 08:00; electronic submission via Eskom e-tendering site. - Clarification meeting: Non-compulsory, 19 October 206 at 10:00 via Microsoft Teams (link in tender documents). - Documents to obtain/submit: Invitation to Tender Shunts & Cores 09102026.pdf; Annexures A–J; SBD forms; Tax/corporate registration requirements; Local Content declarations for designated materials (as applicable). ## Description DESIGN AND SUPPLY TRANSFORMER CORES AND SHUNTS FOR A PERIOD OF 5 YEARS AT ERI DESIGN AND SUPPLY TRANSFORMER CORES AND SHUNTS FOR A PERIOD OF 5 YEARS AT ERI Tender Office Location: ERI Lower Germiston Road Roscherville Johannesburg South ## Documents - Tender documents (15 files).zip - 240-106084675 Annexure C 3.docx..docx - 240-126469599 (Rev 2) - Method Statement - Template.docx..docx - E-tendering Help Manual for supplier - 27 January 2025.docx..docx - 240-108987034 Environmental Tender Evaluation and Scoring Card (High, Medium and Low risk work).docx..docx - Shunts and cores Scope of Work.pdf..pdf - Functional evaluation criteria- shunts and cores - Annexure 1.pdf..pdf - 240-77471499 (2) Annexure B - Acknowledgement Form for Eskom SHE Rules and other Requirements (2).pdf..pdf - 240-105658000 Supplier QM Spec Rev 3-QM 58.pdf..pdf - 240-12248652\_List of Tender Returnables\_Cat 4\_ Rev 7.pdf..pdf - Contractor Health and Safety Requirements (Latest Revision) (2).pdf..pdf - 240-68099512 Form A\_Cat 4\_ Rev 9.pdf..pdf - 240-106084675 Annexure C3 OHS Tender Evaluation Low risk.pdf..pdf - Invitation to Tender Shunts Cores 09102026.pdf..pdf - NEC-Complete Supply Contract-Transformer cores and shunts .pdf..pdf - E-tendering Help Manual for supplier - 27 January 2025.docx - 240-106084675 Annexure C 3.docx - 240-126469599 (Rev 2) - Method Statement - Template.docx - 240-108987034 Environmental Tender Evaluation and Scoring Card (High, Medium and Low risk work).docx - Invitation to Tender Shunts Cores 09102026.pdf - Shunts and cores Scope of Work.pdf - 240-12248652\_List of Tender Returnables\_Cat 4\_ Rev 7.pdf - 240-105658000 Supplier QM Spec Rev 3-QM 58.pdf - Contractor Health and Safety Requirements (Latest Revision) (2).pdf - 240-68099512 Form A\_Cat 4\_ Rev 9.pdf - Functional evaluation criteria- shunts and cores - Annexure 1.pdf - NEC-Complete Supply Contract-Transformer cores and shunts .pdf - 240-106084675 Annexure C3 OHS Tender Evaluation Low risk.pdf - 240-77471499 (2) Annexure B - Acknowledgement Form for Eskom SHE Rules and other Requirements (2).pdf Documents download with a free BidWunder account. ## Published on - [Eskom Tender Bulletin](https://tenderbulletin.eskom.co.za/tender/96533) - [eTenders OCDS API](https://www.etenders.gov.za/Home/opportunities?id=1) - [eTenders.gov.za](https://www.etenders.gov.za) More open tenders: https://za.bidwunder.com/tenders.md --- > Source: https://za.bidwunder.com/tenders/design-and-supply-transformer-cores-and-shunts-for-a-period-of-5-years-at-eri-854a934b