# UPGRADE AND REFURBISHMENT OF WINBURG WATER TREATMENT WORKS

> This tender closed on 2026-06-19.

- **Reference:** VCW410/WINWTW/25
- **Issuer:** [Vaal Central Water](https://za.bidwunder.com/tenders/issuer/vaal-central-water.md)
- **Region:** Free State
- **Type:** Open tender
- **Published:** 2026-05-25
- **Closing date:** 2026-06-19 12:00 SAST
- **Briefing:** 2026-06-04 13:00 SAST (compulsory)
- **Sectors:** [Civil engineering](https://za.bidwunder.com/tenders/sector/F42.md), [Electrical equipment](https://za.bidwunder.com/tenders/sector/C27.md), [Machinery](https://za.bidwunder.com/tenders/sector/C28.md)

## Summary

#### Overview
**Upgrading and refurbishing the Winburg Water Treatment Works, covering civil, mechanical and electrical works to upgrade water treatment capacity.** Vaal Central Water invites service providers to tender for a construction contract requiring CIDB registration of at least 7 EP PE or 7 ME PE/HIGHER (or approved/eligible for PE), with LEP participation targets. Bidders must be CIDB-registered, adhere to PPPFA and register on the Central Supplier Database (CSD), have SARS Tax Status and COIDA coverage, and meet LEP and social‑economic deliverables. The scope includes civil, mechanical and electrical refurbishments and related works at Winburg WTW, Free State. Prospective bidders should be prepared for PPPFA evaluation (90/10 or 80/20) and procurement with potential for part-awards or multiple awards.

#### Requirements
- CIDB registration and grading: 7 EP PE or 7 ME PE/HIGHER (or approved/eligible for PE).
- Compliance with PPPFA and registration on the Central Supplier Database (CSD).
- Valid Tax Compliance Status PIN from SARS and COIDA (with good standing) compliance.
- Participation in LEP targets, including a minimum 30% LEP subcontracting of the final contract price.
- Attendance at compulsory clarification briefing; submission of required Returnable Documents (SBD Forms 1, 3.1, 4, 6.1) and environmental/Safety documentation as per tender data.
- CIDB pre-qualifications verified; adherence to Environmental Management Plan and HSE requirements.

#### How to Apply
- Submission deadline: 19 June 2026 at 12:00 (Tender Volume 1).  Compulsory briefing: 4 June 2026 at 11:00 at Winburg WTW (Tender Volume 1).
- Submission method: One-envelope system; deposit at the Tender Box, Vaal Central Water reception, 2 Mzuzu Street, Pellissier, Bloemfontein 9322; envelopes clearly marked with Contract VCW410/WINWTW/25 and bidder details (Tender Volume 1).
- Documents to complete/submit: Form of Offer and Acceptance; Pricing Data; Schedule of Quantities; banking details; SBD forms 1, 3.1, 4, 6.1; CSD report; Tax clearance; COIDA; LEP documentation; Annexures A–D and Environmental/Safety plans (Tender Volume 2 and Tender Data).
- Registrations/Pre-qualifications: CIDB; SARS; COIDA; CSD; B-BBEE; Local Subcontractor targeting for LEP (minimum 30%).
- Briefing session details: Compulsory briefing, 4 June 2026, Winburg WTP (Tender Volume 1).
- Bid documents availability: National Treasury etenders (www.etenders.gov.za); Vaal Central Water site (www.vaalcentralwater.co.za); CIDB (www.cidb.org.za).

## Description

UPGRADE AND REFURBISHMENT OF WINBURG WATER TREATMENT WORKS

## Documents

- Tender Volume 1
- Tender Volume 2
- Drawings
- Validity Extension
- Tender BOQ

Documents download with a free BidWunder account.

## Published on

- [Vaal Central Water Tenders](https://vaalcentralwater.co.za/advertised-tenders/)
- [CIDB i-Tender Register](https://registers.cidb.org.za/PublicTenders/TenderSearch)
- [eTenders OCDS API](https://www.etenders.gov.za/Home/opportunities?id=1)

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> Source: https://za.bidwunder.com/tenders/upgrade-and-refurbishment-of-winburg-water-treatment-works-456d7eae