# VERIFICATION AND CALIBRATION OF EXISTING FLOW METERS AT DRIEFONTEIN WORKS (COMPUTER BASED WORK)

> This tender closed on 2026-07-22.

- **Reference:** RFQJW51ZZ26
- **Issuer:** [Johannesburg Water](https://za.bidwunder.com/tenders/issuer/johannesburg-water.md)
- **Region:** Gauteng
- **Type:** Request for quotation
- **Published:** 2026-07-09
- **Closing date:** 2026-07-22 18:00 SAST
- **Briefing:** 2026-07-15 11:00 SAST (compulsory)
- **Sectors:** [Professional, scientific, technical](https://za.bidwunder.com/tenders/sector/M.md)

## Summary

#### Overview
**Verification and calibration of existing flow meters at Driefontein Works (computer based)**. Johannesburg Water invites bids from contractors with flow metrology/calibration expertise, on-site verification capability, and SANAS-accredited calibration capacity. The scope includes verification/calibration of Venturi and ultrasonic/open-channel meters, plus reporting and certificates; deliverables must include tolerance verification (within 5%) and individual meter certificates (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf). Submissions are via the e-tender portal, with a compulsory briefing 15 July 2026 and closing 22 July 2026.

#### Requirements
- Attend compulsory site briefing. (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Submit proof of one completed flow meter calibration project (completion certificate or client letter, dated and signed). (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Provide certified Metrologist Mert Cert certificate in liquid flow metrology. (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Quotes must be on company letterhead, include all applicable taxes, and be submitted by the closing date/time. (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Submit a valid BBBEE certificate or sworn affidavit; attach completed MBD forms; provide CSD/MAAA supplier number; and lease/municipal account where applicable. (Administrative Requirements; MBD forms) (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Compliance with JW supply chain policy and other mandatory pre-qualifications. (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)

#### How to Apply
- Submission deadline: 22 July 2026 at 16:00; Submissions via the E-tender Portal (www.etenders.gov.za) only. (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Mandatory briefing: 15 July 2026, 09:00, Plot 55 Clinic Road, Driefontein Wastewater Treatment Works. (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Guide to submitting: use CSD credentials, attach compulsory documents, and follow e-tender steps on the portal. (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Required documents to submit with bid: Pricing Schedule (MBD 3.1) and the full set of MBD forms (MBD 4, 6.1, 8, 9), CSD/MAAA registration, tax clearance, BBBEE documentation, and company registration documents. (Pricing Schedule – MBD 3.1; Administrative Requirements) (RFQJW51ZZ26_Flow Meters Verification and Calibration.pdf)
- Site safety: Minimum SHE requirements apply (induction, PPE, risk assessments, safety file, etc.). (Minimum SHE Requirements for Construction Related RFQ projects)

## Description

VERIFICATION AND CALIBRATION OF EXISTING FLOW METERS AT DRIEFONTEIN WORKS (COMPUTER BASED WORK)

VERIFICATION AND CALIBRATION OF EXISTING FLOW METERS AT DRIEFONTEIN WORKS (COMPUTER BASED WORK)

Conditions: ALL SUBMISSIONS MUST BE MADE ON THE E-TENDER PORTAL. EMAIL SUBMISSIONS WILL NOT BE ACCEPTED Briefing Venue: Plot 55 Clinic Road, Driefontein Wastewater Treatment Works

## Documents

- RFQJW51ZZ26\_Flow Meters Verification and Calibration.pdf..pdf

Documents download with a free BidWunder account.

## Published on

- [eTenders.gov.za](https://www.etenders.gov.za)

More open tenders: https://za.bidwunder.com/tenders.md

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> Source: https://za.bidwunder.com/tenders/verification-and-calibration-of-existing-flow-meters-at-driefontein-works-comput-b8b3bc9b