Service and Repair of 350kVA 11kV/400V Three-Phase Mini-Substation
Tender Overview
- Tender: Service and Repair of 350kVA 11kV/400V Three-Phase Mini-Substation at Grootvlei Prison Substation No. 2
- Tender Number: ID: 3236444 A
- CIDB Reference: 100116716
- Department: National Department of Public Works and Infrastructure
- Location: Bloemfontein
Tender Category: - Electrical Engineering
- Electrical Services
- Repair and Maintenance
- CIDB Requirement: 1EP or higher
- Closing Date: 27 May 2026 at 08:00
Project Description
The tender involves the servicing, maintenance, and repair of a:
- 350kVA
- 11kV/400V
- Three-phase mini-substation
located at:
- Grootvlei Prison Substation No. 2
The objective is to ensure the substation remains operational, safe, and compliant with electrical standards.
Scope of Work
Maintenance and Repairs
The appointed contractor will:
- Service the mini-substation.
- Repair identified faults and damaged components.
- Conduct inspections and diagnostics.
- Restore reliable electrical functionality.
Compliance and Safety
The contractor must:
- Ensure compliance with electrical safety standards.
- Follow operational and maintenance regulations.
- Use qualified personnel for all electrical work.
Technical Support
Responsibilities include:
- Providing technical reports and documentation.
- Recording maintenance and repair activities.
- Supporting operational reliability of the substation.
Minimum Requirements
CIDB Grading
Tenderers must have:
- CIDB grading of 1EP or higher.
Only contractors meeting this grading requirement may submit bids.
Technical Requirements
Applicants should demonstrate:
- Experience with medium-voltage substations.
- Electrical maintenance and repair capability.
- Qualified electrical personnel.
- Understanding of safety procedures and standards.
Important Tender Information
Tender Documents
- Available from: 13 May 2026
Closing Details
- Closing Date: 27 May 2026
- Time: 08:00
Late submissions will not be accepted.
Submission Rules
- Tenders must be submitted using the official tender documentation only.
- Sealing, addressing, delivery, and assessment procedures must comply with Tender Data instructions.
Department of Public Works and Infrastructure
The National Department of Public Works and Infrastructure manages government infrastructure projects and maintenance across South Africa.
Suitable Businesses for This Tender
This tender is best suited for:
- Electrical contractors
- Electrical engineering companies
- Substation maintenance specialists
- Medium-voltage electrical service providers
- Industrial electrical maintenance firms
Strong Tender Submission Areas
To strengthen a submission, contractors should highlight:
- CIDB 1EP registration
- Substation repair experience
- Medium-voltage electrical work
- Safety compliance records
- Qualified electricians and technicians
- Maintenance and fault-finding expertise
- Previous government or infrastructure projects
- Electrical compliance certifications