Developing Repair Procedures for HP Turbine Rotor Discs
Eskom
In plain English
Eskom is seeking information for developing repair procedures for creep-aged high-pressure turbine rotor discs. Companies with experience in weld repair procedures for turbine rotor discs can bid.
Always check the official documentDescription
Eskom is seeking information to develop repair procedures for creep-aged high-pressure turbine rotor discs. The work involves creating and qualifying weld repair methodologies, including mock-up testing and engineering reports for rotor discs at the Hendrina power station. Key deliverables include a technically sound repair methodology, welding procedure specifications, and validation through non-destructive testing and heat treatment. This project aims to establish industry-compliant repair standards for turbine components. The submission deadline is 20 January 2027.
Full requirements
- Proven experience in turbine rotor disc weld repairs
- Compliance with ISO 15614-1 L2 and ISO 14732 welding standards
- Access to required technical personnel and specialist resources
Contact & how to apply
Name: Palesa Mauwane
Email: mauwanp@eskom.co.za
Phone: 011-800-5914
How to apply: Submit all documents electronically via the Eskom E-tendering site at https://eTendering.eskom.co.za. Files must be in PDF or Excel format, with no zip files, and must not exceed 500MB per document or 4GB in total.
Related tenders
Machining and welding services at Vanderkloof Power Station.
Eskom seeks onsite and offsite machining, welding, and line-boring services at Vanderkloof Hydroelectric Power Station for five years. The work includes turbine refurbishment, maintenance, and quality control under an NEC3 Term Service Contract. Deliverables include repair records and inspection reports. Compliance with ISO 9001, ISO 3834-2, and safety standards is required. Bidders must show technical capability, and a non-compulsory meeting will be held via Microsoft Teams.
Maintenance and repair services for power station boilers.
Eskom Holdings SOC Ltd seeks tenders for maintenance and outage repair services, including scaffolding and insulation for boiler pressure parts and high-pressure pipework at 14 fossil-fired power stations over 5 years. Key deliverables include service reports, data books, and adherence to quality and safety standards. A clarification meeting is on 22 October 2026 via Microsoft Teams. Tender closes on 11 November 2026.
Supply and Delivery of Turbine Auxiliaries Spares
Eskom Holdings SOC Ltd seeks tenders for supplying and delivering turbine auxiliaries off-the-shelf spares to Hendrina Power Station over 5 years on an 'as and when required' basis. Deliverables include seals, gaskets, bearings, filters, valves, and pumps, with necessary documentation. A technical threshold of 70% is required, considering company experience, method statement, quality control, and personnel qualifications. The tender closes on 26 October 2026 at 10:00, with price adjustments for inflation and strict delivery and safety protocols.
Repair and Refurbishment at Grootvlei Power Station.
Eskom invites tenders for the service, repair, and refurbishment of mill yoke stems, gearboxes, motor bases, and on-site valve machining at Grootvlei Power Station. The contract is for 60 months, requiring compliance with Eskom specifications and safety standards. Closing date is 15 December 2026.
Supply and refurbishment of fluid drives for Eskom.
Eskom Holdings SOC Ltd seeks tenders for a five-year contract to supply, refurbish, test, commission, and deliver fluid drives for industrial rotating equipment at Matla Power Station. The project involves 189 new units and 129 refurbishments, including routine maintenance, vibration monitoring, precision alignment, and emergency breakdown support. Work must comply with OEM specifications and international standards, with detailed documentation required. The contract follows the NEC3 Term Service Contract framework, requiring qualified personnel and a workshop for precision tasks, adhering to safety, environmental, and quality management systems.
Supply and Delivery of Equipment for Hendrina Power Station
Eskom Holdings SOC Limited seeks tenders for supplying and delivering operational equipment to Hendrina Power Station, including a vacuum truck, excavators, mobile oil purifiers, high-pressure cleaning machines, a forklift, a turbine oil transfer pipe, and gas analyzers. The contract follows the NEC3 Supply Short Contract framework, requiring fully functional equipment, technical documentation, operator training, and a three-year service plan for major assets. The tender is valid for 120 days, with a non-compulsory clarification meeting on 22 October 2026. Submissions close on 05 November 2026 at 10:00.