Appointment of a Contractor for the Supply, Installation and Commissioning of 11kv Indoor Switchgear for Bulk Supply Strengthening at Vredefort Switching Station.

NLM: TEC 02 [03/2026]

2026-03-16 12:00

Tender Closed on: 2026-03-23 12:00

Electrical Equipment and Supplies, Electrical Services, Supply and Installation of Machinery and Equipment

Free State, Parys, Vredefort

Ngwathe Local Municipality

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Ngwathe Local Municipality Tenders

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Tender Number: NLM: TEC 02 [03/2026]
Department: Ngwathe Local Municipality
Tender Type: Request for Bid(Open-Tender)
Province: Free State
Closing Date: Monday, 23 March 2026 - 12:00
Place where goods, works or services are required: Liebenbergstrek - Parys - Parys - 9585
Special Conditions: N/A
ENQUIRIES:
Contact Person: Me Patricia Morokolo
Email: [email protected]
Telephone number: 056-816-2700
FAX Number: N/A
BRIEFING SESSION:
Is there a briefing session?: Yes Is it compulsory? Yes
Briefing Date and Time: Monday, 16 March 2026 - 12:00
Briefing Venue: Ngwathe Local Municipality

This tender is also available from www.etenders.gov.za


Tender Summary

Objectives

The primary objective of this tender is to appoint a qualified contractor to supply, install, test, and commission 11kV indoor switchgear at Vredefort Switching Station. The project aims to upgrade the existing medium voltage switchgear to enhance operational reliability, safety, and capacity for future load demands.

Scope

The scope includes:

  • Supply, delivery, installation, and commissioning of 11kV indoor metal-enclosed switchgear with vacuum circuit breakers and protection relays.
  • Provision of associated equipment such as metering units, battery systems, and control systems.
  • Removal and disposal of existing switchgear.
  • Installation of incoming and outgoing cables, earthing system integration, and system testing.
  • Configuration, programming, and testing of protection relays.
  • Training municipal personnel on operation and maintenance.
  • Documentation including as-built drawings, test certificates, and manuals.

Technical Requirements

The technical specifications mandate:

  • Factory-assembled, IEC 62271-200 compliant indoor switchgear rated at 11kV, 1250A, 25kA.
  • Internal arc classification AFLR 25kA, 1 second.
  • Vacuum circuit breakers with minimum 10,000 operations.
  • Protection relays with functions such as overcurrent, earth fault, and communication capabilities.
  • DC battery system with minimum 8 hours autonomy and automatic charging.
  • Metering systems for voltage, current, power, and energy measurement.
  • Proper cable termination, earthing, and interlocking systems.
  • Compliance with IEC standards, municipal standards, and occupational health and safety regulations.
  • Type testing and certification for all equipment.

Skills and Qualification Requirements

The contractor must demonstrate:

  • Registration of key personnel with relevant authorities (ECSA registration advantageous).
  • Minimum 5 years’ experience in MV switchgear installation and commissioning.
  • Qualified management and supervisory staff, including:
    • Electrical engineers or technologists (NQF 6 or higher).
    • Trade-tested electricians with valid wireman’s licenses.
    • Protection and commissioning technicians with relevant experience.
  • Provision of certified CVs and qualifications for key personnel.
  • Experience in factory acceptance testing (FAT), site acceptance testing (SAT), and commissioning.
  • Compliance with occupational health and safety standards, including appointment of a qualified safety officer.
  • Ability to provide comprehensive training and documentation.
  • Registration on the National Treasury Central Supplier Database and CIDB contractor grading of 4EP or higher.
This summary is AI generated. Download the tender documents for all the information.

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