Maintenance of 6.6kV PowerFlex 7000 variable speed drives at Rand Water's Zuikerbosch facility. Bidders must demonstrate related experience, qualified technicians, suitable equipment and a one-month work programme, with a minimum 70% functionality score required.
Rand Water has issued a Request for Quotation (RFQ, reference 10417759 R) for the maintenance of 6.6kV PowerFlex 7000 variable speed drives (VSDs) at its Zuikerbosch facility. The 6.6kV PowerFlex 7000 is a medium-voltage drive used to control large motors in industrial and water-treatment processes, so the work requires specialised electrical knowledge, appropriate test and diagnostic equipment, and experienced technicians. The supporting RFQ services template (RW SCM 00016 F, Rev 11) governs the submission requirements. The estimated project duration is one month, and the work breakdown and programme must fall within the estimated timelines.
Bids are evaluated on functionality, with a total score out of 100 and a minimum of 70% required before a bid proceeds to further evaluation. The criteria and weights are: previous related experience on comparable scope (30 points, with three or more verifiable company references rated as 'Good'; references must include contact details, project start and end dates, and contract value or completion certificates); human resource capacity, assessed through an organogram that adequately addresses the required qualified technicians (25 points); equipment resource capacity, including laptop and software for drive communication and diagnostics, rated against the scope requirements (25 points); and a work breakdown, schedule and project programme that is credible, contractually aligned, and shows a clear duration within the estimated timelines (20 points). Bidders must also complete the prescribed pricing schedule and sign the declaration that the procuring institution may reject the bid or take action if the declaration is false.
For suppliers, this opportunity offers a defined one-month maintenance contract with a major public water utility, which can serve as a strong reference for future medium-voltage drive work. Successful bidders will need to show that their technical team and tools can meet the scope without gaps. The tender is currently listed with a draft status and the supporting document extract is partially incomplete, so bidders should confirm the full scope of work, site access requirements, and final closing details on the official eTenders portal and with Rand Water's Supply Chain Management office before submitting a bid.
This tender is suited to electrical and mechanical engineering contractors with experience maintaining medium-voltage (6.6kV) variable speed drives, particularly Allen-Bradley/Rockwell PowerFlex 7000 systems in industrial or water-utility settings. Applicants should have at least three verifiable references for comparable work, qualified electrical technicians (ideally with high-voltage and drive-specific training), a laptop and software suitable for drive communication and diagnostics, and the ability to deliver a credible one-month programme. Small businesses may apply if they can meet these requirements or form a partnership with a company that can. Generalist electrical contractors without medium-voltage drive experience are unlikely to score well on the experience and capacity criteria.
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