Supply, Installation, Testing, and Commissioning of the Schweitzer Engineering Laboratories (sel- 487e) Protection Scheme for the 20 Mva 66/11 Kv Transformer No. 3 at Unitra Substation, Including H-frame and Low Voltage (lv) Bus Support for a Period of Si

025/2025/26

2026-06-27 11:00

2026-07-09 12:00

King Sabata Dalindyebo Local Municipality

5 EP

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

Eastern Cape, Mthatha

King Sabata Dalindyebo Local Municipality

King Sabata Dalindyebo Local Municipality Tenders

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Tender Notice and Invitation to Tender
Supply, Installation, Testing, and Commissioning of the Schweitzer Engineering
Laboratories (SEL- 487E) Protection Scheme for the 20 MVA 66/11 kV
Transformer No. 3 at Unitra Substation, including H-Frame and Low Voltage (LV)
Bus Support for a period of six (06) months
Employer Tender Number: 025/2025/26
cidb Reference Number: 100113329
KING SABATA DALINDYEBO LOCAL MUNICIPALITY INVITES TENDERS FOR SUPPLY, INSTALLATION, TESTING, AND
COMMISSIONING OF THE SCHWEITZER ENGINEERING LABORATORIES (SEL- 487E) PROTECTION SCHEME FOR THE 20
MVA 66/11 KV TRANSFORMER NO. 3 AT UNITRA SUBSTATION, INCLUDING H-FRAME AND LOW VOLTAGE (LV) BUS
SUPPORT FOR A PERIOD OF SIX (06) MONTHS
It is estimated that tenderers should have a cidb contractor grading of 5EP or higher.
Preferences are offered to tenderers who 5EP or higher
Only tenderers who 5EP or higher are eligible to submit tenders.
Bid documents are available on the tender portal, they are not sold.
Queries relating to the issues of these documents may be addressed to:
Mr Bangiso
Tel No. 0630028302
E-mail. [email protected]
A clarification meeting with representitives of the Employer will take place at Unitra substation. Mthatha on 27 June 2026 starting at
11h00.
The closing time for receipt of Tenders is 12h00 on Thursday, July 9, 2026.
Late Tenders will not be accepted.
Tenders may only be submitted on the tender documentation that is issued.
Requirements for sealing, addressing, delivering, opening and assessment of Tenders are stated in the Tender Data.



Additional Information:
Employer Name: King Sabata Dalindyebo Local Municipality
Province: Eastern Cape
Municipality: O.R.Tambo District Municipality
Closing Date: 2026-07-09 12:00
Site Meeting: Yes
Briefing Date: 2026-06-27 11:00
CIDB Class: 5 EP
Subcategory:
Documents Available from: 04 February 2026

Tender Summary

Objectives

The primary objective of this tender is to supply, install, test, and commission the Schweitzer Engineering Laboratories (SEL-487E) Protection Scheme for the 20 MVA 66/11 kV Transformer No. 3 at Unitra Substation. This includes providing H-frame and Low Voltage (LV) Bus Support, ensuring the protection scheme is operational and reliable for a period of six months.

Scope

The scope of work encompasses:

  • Supply of the SEL-487E Protection Scheme equipment
  • Installation of the protection scheme at the specified substation
  • Testing of the installed protection system to ensure compliance and functionality
  • Commissioning of the protection scheme for operational readiness
  • Provision of H-frame and Low Voltage (LV) Bus Support
  • Support and maintenance activities over a six-month period

Technical Requirements

The technical requirements include:

  • Provision of a protection scheme compatible with the 66/11 kV transformer specifications
  • Installation of H-frame and LV bus support structures
  • Adherence to relevant standards and safety protocols during installation and testing
  • Successful testing and commissioning to ensure system reliability and performance
  • Availability of bid documents via the tender portal (not for sale)

Skills and Qualification Requirements

Eligible tenderers must meet the following criteria:

  • Have a CIDB contractor grading of 5EP or higher
  • Possess relevant experience and technical expertise in protection scheme installation and commissioning
  • Be capable of providing the necessary technical support and documentation
This summary is AI generated. Download the tender documents for all the information.

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