Servicing of Transformers, Repair of Oil Leaks 2026
Tender Details
Tender Title: Appointment of Service Provider for Servicing of Transformers, Repair of Oil Leaks and Maintenance of T3 and K3 Switchgear (Re-advert)
Tender Number: SCM/TSW/10/2025–2026 (READVERT)
Tender Type: Request for Bid (Open Tender)
Client / Department: Tswelopele Local Municipality
Province: Free State
Evaluation Method: 80/20 Preference Point System (PPPFA)
Tender Locations
Bultfontein
Hoopstad
Primary Address Reference: 1 Bosman Street, Bultfontein, 9670
Tender Overview
Tswelopele Local Municipality invites suitably qualified and experienced electrical service providers to submit bids for the servicing of transformers, repair of oil leaks, and maintenance of T3 and K3 switchgear at substations located in Bultfontein and Hoopstad.
The objective of this tender is to ensure safe, reliable, and compliant power distribution infrastructure by maintaining critical electrical equipment, extending asset lifespan, and reducing operational risks.
Scope of Work
The scope of work includes, but is not limited to:
Servicing of electrical transformers
Repair of oil leaks on transformers and associated switchgear
Maintenance of T3 and K3 switchgear
Testing and sampling of transformer oil
Switching, isolation, and restoration procedures
Provision of transport and logistical support for personnel and equipment
Technical Requirements
The bidder must provide:
Qualified personnel, including:
CVs and proof of relevant qualifications
Trade test certificates and professional certifications
Testing and maintenance equipment, with proof of ownership or rental agreements, including:
Primary and secondary injection test sets
High-voltage testing and diagnostic equipment
A detailed project methodology, including:
Work plan and timelines
Resource allocation
Compliance with environmental legislation, including:
National Environmental Management Act (NEMA)
National Environmental Management: Waste Act (NEMWA)
Compliance with Occupational Health and Safety Act, including:
Safety agreements
Risk assessments and site safety controls
Proof of:
Municipal rates and taxes compliance
Tax clearance
Financial stability
Skills & Capability Requirements
The successful service provider must demonstrate:
Project Managers with at least 5 years’ experience in transformer and switchgear servicing
Qualified electrical artisans with:
Trade tests
ORHVS certification for HV, MV, and LV maintenance
Skilled personnel experienced in:
Transformer oil testing and sampling
Electrical inspection and diagnostic testing
Availability of:
Field service vehicles (proof of ownership or lease required)
Testing equipment such as HV line phase comparators and injection sets
Strong knowledge of:
Electrical safety standards
Environmental and occupational health legislation
Evaluation Criteria
Bids will be evaluated in accordance with the Supply Chain Management Policy of Tswelopele Local Municipality:
Stage 1: Administrative Compliance (Returnable Documents)
Stage 2: Functionality
Stage 3:
Price – 80 points
Specified Goals – 20 points (Race, Gender, Disability, Youth)
Important Dates
Closing Date: Friday, 13 February 2026
Closing Time: 12:00
Briefing Session: Not required
Enquiries
Contact Person: Mr TJ Matyesini
Email: matyesin@gmail.com
Telephone: 051 853 1111
Additional Notes
This is a re-advertised tender; previous non-compliant bidders may reapply if requirements are now met.
Tender documents are available via www.etenders.gov.za
Late or non-compliant submissions will not be considered.
This summary is AI-generated; bidders must rely on official tender documents for full and binding requirements.



