# Onsite and offsite machining, welding and line boring services at Vandekloof Hydroelectric Power Station for a period of 5 years. - **Reference:** E3692GXPOU - **Issuer:** [Eskom Holdings SOC Limited Gauteng](https://za.bidwunder.com/tenders/issuer/eskom-holdings-soc-limited-gauteng.md) - **Region:** Northern Cape - **Type:** Open tender - **Published:** 2026-10-19 - **Closing date:** 2026-11-19 12:00 SAST - **Briefing:** 2026-11-09 10:00 SAST - **Sectors:** [Construction](https://za.bidwunder.com/tenders/sector/F.md), [Specialised construction](https://za.bidwunder.com/tenders/sector/F43.md) ## Summary #### Overview **Procurement of onsite and offsite machining, welding and line boring services at Vanderkloof Hydroelectric Power Station for a period of 5 years.** This is an open Eskom tender (E3692GXPOU) using NEC3 Term Service Contract (TSC3); suitable for firms with heavy-machining, welding and line-boring capabilities and experience at large facilities. The contract uses NEC3 TSC3 with a 60-month service period and requires EPC-like governance through Task Orders. Documents indicate: scope and contract data are in Annexure O (NEC TSC3.pdf) and Scope of Work in Annexure N; pricing in Annexure O; quality, safety and SDL&I elements in Annexures R, S, Q; and tax/compliance forms in Annexures K, etc. (Invitation to Tender (ITT) - Welding at VDK.pdf) #### Requirements - Eligibility and compliance: meet Tender Data criteria, not restricted to Eskom/State-Owned Companies, not on sanctions or Tender Defaulters lists. CIDB-related requirements apply (CIDB/CSDG), per Annexure Q. - Documentation: complete mandatory SBD forms and annexures (e.g., Annexure A–L, SBD 1, SBD 6.1, SBD 4, Tax Evaluation questionnaires). Local content declarations (Annexures C–G) and ISO 9001-related quality requirements (Annexure R) apply. Pricing in NEC format; pricing schedule to be submitted in PDF and Excel (no zip) (ITT instructions; Annexure O). - Quality and safety: adhere to Eskom Supplier Quality Management requirements (ISO 9001 alignment; Annexure R) and Occupational Health and Safety returnables (Annexure S1–S3) (Annexure R, Annexure S). - Tax and procurement rules: PAYE/tax questionnaires for independent contractor status (Annexure K); SDL&I strategy and PPPFA considerations (Annexure Q) (Annexures K, Q). Cited documents: NEC3 TSC3 (Annexure O); Scope of Work (Annexure N); Quality/Safety (Annexures R, S); SDL&I/Tax (Annexures Q, K); SBDs and other forms (Annexures A–L) (Invitation to Tender (ITT) - Welding at VDK.pdf). #### How to Apply - Clarifications: non-compulsory briefing on 09 November 2026, 10:00–12:00 via Microsoft Teams; site briefing address Vanderkloof (Invitation to Tender (ITT) - Welding at VDK.pdf). - Submission deadline: 19 November 2026 at 10:00; late tenders not accepted. Submissions via Eskom E-tendering; PDFs uploaded under Technical, Commercial, Financial, Other folders; pricing in PDF plus Excel; no hard copy; no zip files (ITT, 2.7–2.12; 2.11). - How to obtain documents: Tender documents are provided as Annexures A–S within the ITT (see ITT - Welding at VDK.pdf); Pricing Schedule in Annexure O and linked documents (NEC TSC3) (Annexure O). - Contacts and questions: Eskom Representative Siyabulela Kekana (KekanaSU@eskom.co.za) for queries; briefings listed in the ITT (Invitation to Tender (ITT) - Welding at VDK.pdf). Notes: Tender validity is 12 weeks from closing (84 days) as per the NEC/Contract Data; contract is for five years with Task Orders; currency is Rand; payment terms: 30 days after valid tax invoice (Annexure O data). ## Description Onsite and offsite machining, welding and line boring services at Vandekloof Hydroelectric Power Station for a period of 5 years. Onsite and offsite machining, welding and line boring services at Vandekloof Hydroelectric Power Station for a period of 5 years. Documents available from: 20 October 2026 Site Meeting: Yes Municipality: Pixley Ka Seme District Municipality ## Documents - Tender documents (10 files).zip - Annexure Q.pdf..pdf - Annexure M E-Tendering Help Manual for Supplier Form.pdf..pdf - Annexure S 1 Occupational Health and Safety OHS Tender Returnables.pdf..pdf - Annexure L Tenderers E-Tendering Training Acknowledgement Form.pdf..pdf - Annexure R Quality Tender Returnables.pdf..pdf - Annexure S 3 Occupational Health and Safety OHS Tender Returnables.pdf..pdf - Invitation to Tender (ITT) - Welding at VDK.pdf..pdf - Annexure S 2 Occupational Health and Safety OHS Tender Returnables.pdf..pdf - Annexure N Technical Specification.pdf..pdf - Annexure P Technical Evaluation Criteria.pdf..pdf - Annexure O - NEC TSC3.pdf..pdf - Annexure K Tax Evaluation questionnaire.pdf..pdf - Annexure S 2 Occupational Health and Safety OHS Tender Returnables.pdf - Annexure M E-Tendering Help Manual for Supplier Form.pdf - Annexure S 1 Occupational Health and Safety OHS Tender Returnables.pdf - Annexure N Technical Specification.pdf - Annexure L Tenderers E-Tendering Training Acknowledgement Form.pdf - Annexure K Tax Evaluation questionnaire.pdf - Annexure R Quality Tender Returnables.pdf - Annexure P Technical Evaluation Criteria.pdf - Annexure S 3 Occupational Health and Safety OHS Tender Returnables.pdf - Annexure Q.pdf - Invitation to Tender (ITT) - Welding at VDK.pdf - Annexure O - NEC TSC3.pdf Documents download with a free BidWunder account. ## Published on - [eTenders.gov.za](https://www.etenders.gov.za) - [CIDB i-Tender Register](https://registers.cidb.org.za/PublicTenders/TenderSearch) - [eTenders OCDS API](https://www.etenders.gov.za/Home/opportunities?id=1) - [Eskom Tender Bulletin](https://tenderbulletin.eskom.co.za/tender/96633) More open tenders: https://za.bidwunder.com/tenders.md --- > Source: https://za.bidwunder.com/tenders/onsite-and-offsite-machining-welding-and-line-boring-services-at-vandekloof-hydr-3a9f12f1