Request for Proposal [rfp] [goods] for the Rewinding of Various Coils for a Period of Twelve Months to Rotary Machines Business Durban

TE/2025/08/0007/104120/RFP

2025-10-10 11:00

Tender Closed on: 2025-10-22 10:00

https://tenderbulletins.co.za/tender-award/tender-award-request-for-proposal-rfp-goods-for-the-rewinding-of-various-coils-for-a-period-of-twelve-months-to-rotary-machines-business-durban/

AC/DC Electric Motor and Variable Speed Drives Supply and Maintenance

Durban, KwaZulu-Natal

Transnet SOC Ltd

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Tender Number: TE/2025/08/0007/104120/RFP
Department: Transnet SOC Ltd
Tender Type: Request for Proposal
Province: KwaZulu-Natal
Closing Date: Wednesday, 22 October 2025 - 10:00
Place where goods, works or services are required: 150 Eel Road at Umbilo in Durban - Rossburgh - KZN - 3610
Special Conditions: A compulsory pre-proposal site meeting and RFP briefing will be conducted at 150 Eel Road on the 10 OCTOBER 2025, at 11h00 AM for a period of ± 1 hours. [Respondents to provide own transportation and accommodation]. The briefing session will start punctually and information will not be repeated for the benefit of Respondents arriving late.
ENQUIRIES:
Contact Person: Leon Peach
Email: [email protected]
Telephone number: 031-361-4470
FAX Number: N/A
BRIEFING SESSION:
Is there a briefing session?: Yes Is it compulsory? Yes
Briefing Date and Time: Friday, 10 October 2025 - 11:00
Briefing Venue: 150 Eel Road at Umbilo in Durban

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


Tender Summary

Objectives

The primary objective of this tender is to procure services for the rewinding of various coils on rotary machines, specifically motor alternators of type MA 97AZ, over a period of twelve months. The aim is to ensure the coils are rewound according to specified technical drawings and standards to maintain machine performance and reliability.

Scope

The scope includes:

  • Rewinding of coils for motor alternators as detailed in the technical drawings and specifications.
  • Use of specified materials such as copper conductors, connectors, insulators, and insulating papers.
  • Application of winding techniques including covering first and last three turns with item 8 (glass sleeve) and silver soldering of specified components.
  • Adherence to detailed winding diagrams and sectional views to ensure correct coil configuration and wiring.
  • Provision of all necessary materials, tools, and expertise to complete the rewinding process within the contract period.

Technical Requirements

The technical requirements are based on the provided drawings and specifications, including:

  • Following the detailed winding diagrams, views, and sectional details for armature and coil configurations.
  • Use of specified materials such as copper conductors (900 turns, IEC standards), copper strips, insulating papers (Nomex 414 and 411), glass sleeves, and epoxy putty.
  • Covering the first and last three turns with glass sleeve (item 8).
  • Silver soldering of conductors and terminals as specified.
  • Applying insulation and securing coils as per the detailed views and notes.
  • Ensuring dimensions and winding configurations conform to the provided drawings, with permissible variations within specified tolerances.

Skills Requirements

The successful tenderer must possess:

  • Expertise in coil winding and rewinding of rotary electrical machines, particularly motor alternators.
  • Proficiency in handling and applying specialized materials such as copper conductors, insulating papers, and epoxy compounds.
  • Experience in interpreting detailed technical drawings, sectional views, and winding diagrams.
  • Capability to perform precise soldering, insulation, and assembly work adhering to technical standards.
  • Knowledge of safety and quality standards relevant to electrical coil manufacturing and rewinding processes.
This summary is AI generated. Download the tender documents for all the information.

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