For the Supply and Install 11 Kv Transformer at Cambridge Diesel Depot Substation, East London

TFR/2025/11/0002/111773/RFQ

2025-12-02 11:00

Tender Closed on: 2025-12-11 12:00

Transnet SOC Ltd

Electrical Engineering, Electrical Equipment and Supplies, Engineering Consulting, Transformer Supplies, Installation and Maintenance

East London, Eastern Cape

Transnet SOC Ltd

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Title: WRAC PE 54497 INSTALL 11 KV TRANSFORMER
Tender Number: TFR/2025/11/0002/111773/RFQ
Description: FOR THE SUPPLY AND INSTALL 11 KV TRANSFORMER AT CAMBRIDGE DIESEL DEPOT SUBSTATION, EAST LONDON
Closing Date: 2025-12-11 12:00
Briefing Date: 2025-12-02 11:00
Briefing Date Details: A Compulsory Tender Clarification Meeting will be on the 02 December 2025 conducted at Transnet Building, 1A Cambridge Street, East London @ 11 am for a period of ± 2 (two) hours. [Tenderers to provide own transportation and accommodation]. The Compulsory Tender Clarification Meeting will start punctually, and information will not be repeated for the benefit of Tenderers arriving late. Contact Persons: Gamalandile Makhabeni ; Cell Number: : 066 210 9438/ 063 1610604 A Site visit/walk will take place, tenderers are to note: • Tenderers are required to wear safety shoes, goggles, long sleeve shirts, high visibility vests and hard hats. • Tenderers without the recommended PPE will not be allowed on the site walk. • Tenderers and their employees, visitors, clients and customers entering Transnet Offices, Depots, Workshops and Stores will have to undergo breathalyser testing. • All forms of firearms are prohibited on Transnet properties and premises. • The relevant persons attending the meeting must ensure that their identity documents, passports or drivers licences are on them for inspection at the access control gates. Certificate of Attendance in the form set out in the Returnable Schedule T2.2-02 hereto must be completed and submitted with your Tender as proof of attendance is required for a compulsory site meeting and/or tender briefing. Tenderers are required to bring this Returnable Schedule T2.2-02 to the Compulsory Tender Clarification Meeting to be signed by the Employer’s Representative. Tenderers failing to attend the compulsory tender briefing will be disqualified.
Tender Type: RFQ
Contact Person: Ronelle Blom Transnet Freight Rail UTH
Contact Person Email: [email protected]
Location Of Service: CAMBRIDGE DIESEL DEPOT SUBSTATION
Name Of Institution: TFR
Tender Category: Goods & Services

Tender Summary

Objectives

The primary objective of this tender is to supply and install an 11 kV oil-immersed distribution transformer at the Cambridge Diesel Depot Substation in East London, compliant with relevant standards such as SANS 780. The project aims to ensure reliable power distribution, including step-down functions for various systems like freight rail reticulation, transmission lines, signal relay rooms, and traction substations.

Scope

The scope encompasses the supply and installation of a distribution transformer suitable for indoor or outdoor use, adhering to SANS 780 specifications. The work includes:

  • Design and construction of the transformer tank with welded joints and handles/lifting lugs (for transformers ≥200kVA)
  • Provision of external tap-changing gear (manual, off-load, rotary type)
  • Application of corrosion protection and coatings suitable for coastal/heavily polluted environments, including galvanizing and painting
  • Installation of rating plates with detailed technical information
  • Supply of drawings, instruction manuals, and maintenance manuals
  • Inspection, testing, and certification in accordance with SANS 780 and relevant standards
  • Guarantee and defect liability period of 12 months from commissioning

Technical Requirements

The technical specifications include:

  • Transformer type: oil-immersed, distribution class, indoor/outdoor
  • Design to operate under specified atmospheric and electrical conditions, including altitude, temperature, humidity, pollution, and harmonic distortion
  • Construction features: welded tank cover, external tap changers, handles/lifting lugs, lockable drain valves
  • Corrosion protection: hot-dip galvanizing, painting with specified colors, protective coatings for internal/external surfaces
  • Rating plate with comprehensive technical data (manufacturer, serial number, ratings, impedance, etc.)
  • Compliance with relevant standards (SANS 780, IEC 60076, BS 171)
  • Inspection and testing at manufacturer’s premises, witnessed by Transnet QA staff, with certificates valid for up to five years
  • Guarantee against design, material, and workmanship defects for 12 months post-commissioning

Skills and Skills Requirements

The tenderer must demonstrate:

  • Relevant experience in transformer repair, testing, and installation, with references for transformers ≥11 kV
  • Qualified personnel including:
    • Project manager registered with ECSA (Pr Eng, Pr Tech Eng, Pr Techni Eng, or Pr Cert Eng)
    • Electrician or technician with trade test (Red Seal/Blue Seal) or Certificate of Competence (COC) or Wireman’s License
    • Safety officer registered with SACPCMP (with SAMTRAC, SHEMTRAC, or Safety Diploma)
  • Capability to prepare and manage project plans, management organograms, and CVs of key personnel
  • Proficiency in developing and implementing quality assurance, health & safety, environmental management, and risk management systems
  • Experience in corrosion protection, galvanizing, painting, and compliance with relevant standards
  • Ability to supply detailed drawings, manuals, and test certificates
  • Proven track record of successful transformer installation, testing, and maintenance in similar environments

The tenderer must also demonstrate capacity to mobilize resources, manage subcontractors, and adhere to safety, quality, and environmental standards throughout the project lifecycle.

This summary is AI generated. Download the tender documents for all the information.

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