Provision of Quarterly Preventive Maintenance Services on the Standby Diesel Generator
Tender Details
- Tender Number: RFQ 25/2026
- Tender Type: Request for Quotation (RFQ)
- Department/Company: Postbank (SOC) Ltd
- Province: Free State
- Location: Freepen Building, 120A Henry Street, Westdene, Bloemfontein, 9301
- Tender Category: Generator Installation, Maintenance and Refueling
- Contract Period: 24 months
- Closing Date: 9 October 2026
- Closing Time: 11:00
- Briefing Session: No
- Briefing Compulsory: No
- Enquiries: Lihle Cindi
- Email: lihle.cindi@postbank.co.za
- Telephone: 074 032 1111
Tender Overview
Postbank (SOC) Ltd is inviting suitably qualified and experienced service providers to provide quarterly preventive maintenance services for a 450 kVA Volvo standby diesel generator over a 24-month contract period.
The appointed service provider will be responsible for scheduled preventive maintenance, diesel refuelling, annual load bank testing and emergency call-out support to ensure the standby generator remains reliable and operational.
Scope of Work
The contract will include:
- Eight quarterly preventive maintenance visits over the 24-month contract period.
- Preventive maintenance of the 450 kVA Volvo standby diesel generator.
- Diesel refuelling services as required.
- Two annual load bank tests, with one test conducted during each contract year.
- Up to four emergency call-outs per year.
- A mandatory two-hour on-site response time for emergency call-outs.
- Comprehensive service reporting after each maintenance visit.
Technical Requirements
During each quarterly maintenance visit, the successful service provider will be expected to:
- Inspect the complete generator set.
- Inspect engine, fuel, air and coolant systems.
- Replace engine oil and oil filters using OEM-approved lubricants and filters specified for the Volvo generator.
- Clean and inspect generator systems for contamination, sludge and water ingress.
- Conduct functional testing of the Auto-Transfer Switch (ATS).
- Test and calibrate applicable safety control parameters, including high-temperature and overspeed protection.
- Conduct required maintenance and corrective work.
- Provide a comprehensive service report detailing:
- Work completed.
- Components replaced.
- Generator condition.
- System status.
- Relevant test results.
Load Bank Testing
The appointed service provider must conduct two load bank tests during the contract period. Load bank testing applies a controlled electrical load to the generator to verify its operating capacity, voltage regulation and thermal performance under simulated operating conditions.
Emergency Support
The service provider must provide 24/7 emergency call-out support, with a guaranteed two-hour on-site response time.
Experience and Qualification Requirements
Service providers should be able to demonstrate:
- Proven experience in industrial diesel generator maintenance.
- Verifiable reference letters demonstrating relevant previous work.
- Technical capacity to maintain and service the specified generator equipment.
- Ability to provide scheduled and emergency maintenance services.
- Current registration on the Central Supplier Database (CSD).
- Valid business registration.
- Current tax compliance.
- Compliance with Postbank’s standard conditions of purchase.
- Compliance with the National Treasury’s General Conditions of Contract.
Mandatory Documentation
Bidders must complete and submit all required Standard Bidding Documents (SBDs) and annexures, including applicable declarations relating to:
- Conflicts involving state employees.
- Controlling interests.
- Anti-collusion requirements.
- Ownership and other prescribed disclosures.
Pricing must be submitted on official company letterhead and clearly distinguish between VAT-exclusive and VAT-inclusive amounts for:
- Quarterly generator servicing.
- Load bank testing.
- Emergency call-outs.
- Other applicable services or costs.
Preference Point System
The tender uses an 80/20 preference point system:
- 80 points: Price
- 20 points: Designated socio-economic goals
The stated socio-economic allocation includes:
- Historically Disadvantaged Individuals (HDI): 8 points
- Women-owned enterprises: 7 points
- Disabled individuals: 5 points
Bidders claiming preference points must provide the required valid documentary evidence.