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

> This tender closed on 2026-07-27.

- **Reference:** RFQJW029NS26-27
- **Issuer:** [Johannesburg Water](https://za.bidwunder.com/tenders/issuer/johannesburg-water.md)
- **Region:** Gauteng
- **Type:** Request for quotation
- **Published:** 2026-07-14
- **Closing date:** 2026-07-27 18:00 SAST
- **Sectors:** [Specialised construction](https://za.bidwunder.com/tenders/sector/F43.md)

## Summary

#### Overview
**Procurement of verification and calibration of existing flow meters at Northern Works (computer based), including in-situ verification, accuracy testing within 5%, and issuing verified certificates and reports.** Bidders should have flow metrology/calibration expertise, SANAS-accredited capabilities for clamp-on ultrasonic meters on closed conduits and level gauges on open channels, and be prepared to operate at Johannesburg Water’s Northern Works (Diepsloot, R511±8 km north of Fourways). RFQ number RFQJW029NS26-27. Briefing 20 July 2026; Submission deadline 27 July 2026 16:00 via the E-tender Portal.

#### Requirements
- Attended compulsory briefing session (mandatory).
- Provide proof of one completed flow meter calibration project (completion certificate or client reference letter on letterhead).
- Certified Metrologist certificate in liquid flow metrology.
- SANAS calibration certificate for clamp-on ultrasonic flow meters (closed conduits) and for level gauge/meter on open channels prior to starting verification.
- Scope covers multiple meters across Units 1–5 with open-channel and in-line meters; all verifications/calibrations to be within 5% error tolerance; deliver reports and certificates per meter.
- Administrative: output on PDF on company letterhead; attach datasheets, proof of certification, accreditation, etc.; no RFQ from state employees; no blacklisted bidders; POPIA/privacy considerations apply.
- Mandatory documents (returnable): tax clearance, BBBEE certificate or sworn affidavit, CSD registration, lease or municipal account not older than 3 months, MBD forms (Declaration of Interest, Past SCM practices, Independent Bid Determination, etc.), pricing on the MBD3.1 schedule.
- Compliance: comply with PPPFA 2022 (80/20 or 90/10, depending on value) and specific goals; lowest acceptable tender guides points allocation.

#### How to Apply
- Submission: on the E-tender Portal (https://www.etenders.gov.za/) by 27 July 2026 16:00. Briefing session details: Northern Wastewater Treatment Works (Diepsloot), 20 July 2026, 09:00–10:00 (mandatory) (see RFQ document RFQJW029NS26-27...).
- Documents to complete/submit: firm-priced Pricing Schedule (MBD3.1) and all mandatory returnables (MBD4, MBD6.1, MBD8, MBD9), BBBEE documentation, tax clearance, CSD supplier number, lease/meter statements, completed BOQ/spec, datasheets, and proof of certifications.
- Pre-qualifications: CSD registration; valid tax clearance; BBBEE certificate or sworn affidavit; municipal rates; proof of no prior disqualifications; POPIA consent forms as included.
- Where to obtain bid documents: via the E-tender portal (RFQ JW029NS26-27) and the attached RFQ document (RFQJW029NS26-27(VERIFICATION AND CALIBRATION OF EXISTING FLOW METERS AT NORTHERN WORKS (COMPUTER BASED WORK)14-29 JULY.pdf)).

## Description

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

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

Delivery Location: R511+- 8KM NORTH OF FOURWAYS - Diepsloot - Johannesburg - 2107

## Documents

- RFQJW029NS26-27(VERIFICATION AND CALIBRATION OF EXISTING FLOW METERS AT NORTHERN WORKS (COMPUTER BASED WORK)14-29 JULY.pdf

Documents download with a free BidWunder account.

## Published on

- [eTenders OCDS API](https://www.etenders.gov.za/Home/opportunities?id=1)

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> Source: https://za.bidwunder.com/tenders/verification-and-calibration-of-existing-flow-meters-at-northern-works-computer-3151f385