Supply and Delivery of Various VSDs
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REQUEST FOR QUOTATIONS
NamWater is Inviting Registered and Reputable Firms to Submit Bids for the Following Procurement.
DESCRIPTION: Supply and Delivery of Various VSDs for NamWater Pump Station Onayena
REFERENCE NUMBER: G/RFQ/NW-004/2027
CLOSING DATE: 11 June 2026 @ 11H00
TENDER DOCUMENT: G_RFQ_NW-004_2027-Supply-and-Delivery-of-Various-VSDs-NWacp.pdf (7 downloads )
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ESTIMATED PROJECT SIZE: Medium Opportunity
ESTIMATED PROJECT VALUE: Approximately N$250,000 – N$800,000 (estimate only)
KEY ITEMS / WORKS / SERVICES REQUIRED:
- Supply and delivery of 3 x 30kW Variable Speed Drives (VSDs).
- Equipment for NamWater Onayena Pump Station.
- Supply of approved brands or equivalent compliant units.
- Provision of technical documentation and manufacturer support information.
IMPORTANT QUANTITIES OR SCOPE:
- 3 units of 30kW VSDs required.
- Suitable for 3-phase 400V squirrel cage induction motors.
- Drives intended for centrifugal pump applications.
- Continuous operation capability required (24/7 operation).
- Modbus TCP communication interface required.
- Delivery required within 3 to 4 weeks after award.
- Supply includes supporting manuals and technical documentation.
MANDATORY REQUIREMENTS:
- Certified Company Registration Certificate.
- Valid Good Standing Tax Certificate.
- Valid Good Standing Social Security Certificate.
- Affirmative Action Compliance Certificate or exemption.
- Signed Bid Securing Declaration.
- Labour Act undertaking.
- Manufacturer authorization letter for representatives.
- Manufacturer-issued technical literature proving compliance.
- Completed Specifications and Compliance Sheet.
TECHNICAL OR EXPERIENCE REQUIREMENTS:
- VSDs must comply with detailed industrial pump control specifications.
- ISO 9001 manufactured equipment required.
- IP21 protection rating required.
- Modbus TCP communication capability mandatory.
- Advanced digital PWM and IGBT technology required.
- RFI protection and harmonic mitigation requirements apply.
- Fault logging, PID control, automatic restart and energy-saving functions required.
- Supplier must provide repair and technical support capability.
BIDDER SUITABILITY: Suitable for industrial electrical suppliers, automation specialists, pump control system integrators, ABB, Schneider, Danfoss and Allen Bradley distributors, and experienced electrical engineering companies.
AI QUICK ASSESSMENT: Highly technical electrical and automation procurement with strict compliance requirements. This opportunity favours established industrial automation suppliers with access to major VSD manufacturers and strong technical support capability. Detailed technical literature and manufacturer authorization are critical. Competition is likely to be limited to specialised electrical and automation firms rather than general suppliers. :contentReference[oaicite:0]{index=0}
Disclaimer: The information above, including estimated project value and requirements, is AI-generated for guidance purposes only and may contain errors or omissions. Unified Tender Solutions will not be held liable for any inaccuracies. Bidders are advised to inspect the official bidding documents before making any decision.
More Information
- Contact Person for Administrative Enquiries Procurement Management Unit | E-mail: bids@namwater.com.na
- This tender has expired!
- Total Tenders 17 Tenders
- Address Windhoek
- Latest Annual Procurement Plan Namibia-Water-Corporation-NamWater-Annual-Procurement-Plan-2026-27.pdf
