Verification and Calibration of Flow Meters at Driefontein Works
Johannesburg Water
Compulsory briefing — you must attend to bid
15 July 2026 at 09:00 · Driefontein Wastewater Treatment Works, Plot 55 Clinic Road, Muldersdrift, 1747
In plain English
Johannesburg Water is procuring services for the verification and calibration of existing flow meters at Driefontein Works. Bidders must be registered on the Central Supplier Database and provide a valid B-BBEE certificate or sworn affidavit.
Always check the official documentDescription
Johannesburg Water invites bids for the verification and calibration of five existing flow meters at the Driefontein Wastewater Treatment Works in Muldersdrift. The project requires the successful bidder to perform on-site calibration of Venturi and ultrasonic flow meters to ensure they operate within a 5% error tolerance. Key deliverables include a detailed report on meter accuracy and the provision of official calibration results certificates for each unit. The work must be completed by a qualified specialist. A compulsory site briefing is scheduled for 15 July 2026, and the final submission deadline is 22 July 2026.
What you need to qualify
- CSD registration — Registration on the Central Supplier Database — required to do business with government.
- Tax clearance — A valid SARS tax compliance status (PIN) showing your tax affairs are in order.
- B-BBEE certificate — A B-BBEE certificate or sworn affidavit confirming your contribution level.
- Letter of Good Standing — COID registration and a Letter of Good Standing from the Compensation Fund.
- Other registration — An industry registration the tender requires (e.g. PSIRA, NHBRC, a professional or trade licence).
Full requirements
- Registered on the Central Supplier Database (CSD)
- Valid SARS Tax Clearance PIN
- Valid B-BBEE certificate or sworn affidavit
- Proof of relevant project experience via completion certificates or reference letters
- Certified Metrologist with certification in liquid flow metrology
- Valid SANAS calibration certificate for testing equipment
- Valid Letter of Good Standing from the Compensation Commissioner
- Medical fitness certificates for all employees
Contact & how to apply
Name: Ziyanda Zulu
Email: ziyanda.zulu@jwater.co.za
Phone: 011-688-6550
How to apply: Submissions must be uploaded via the official eTender portal at https://www.etenders.gov.za/ using CSD credentials. All documents must be submitted in PDF format on company letterhead.
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