Project record · 2024–2025
Manufacture and supply of 18 conveyor pulleys — Eskom power station
Eighteen conveyor pulleys manufactured to Eskom drawing under a quality control plan counter-signed by Eskom Quality Assurance before manufacture began, together with bearings, pillow blocks, idler frames and drive components.
| Client | Eskom Holdings SOC Ltd |
|---|---|
| Sector | Power generation |
| Location | Mpumalanga |
| Role | Principal supplier |
| Reference | Eskom purchase order and counter-signed QCP/ITP on file |
| Period | Order October 2024 · manufactured March–April 2025 · delivered to site stores |
Evidence held on file: Purchase order; QCP/ITP counter-signed by Eskom QA and the site engineer; delivery notes.. Contract value available to prospective clients on request.
Scope of work
- Twelve take-up pulleys: Ø550 mm drum, 1 200 mm face, 10 mm lagging.
- Two head pulleys and two drive pulleys: Ø950 mm drum, 1 200 mm face, lagged.
- Two high-tension snub pulleys, Ø550 mm.
- Pillow blocks, spherical roller bearings and adaptor sleeves.
- Gate valves, idler frames, wire rope slings and grid couplings supplied against the same order.
Method and quality
Outcome
All eighteen pulleys and the associated components were manufactured and delivered against the order between March and April 2025, with Eskom goods-received acknowledgement.
Services delivered on this project
PulleysConveyor Pulley Manufacture & Refurbishment
Head, drive, take-up and snub pulleys manufactured to client drawing under a quality control plan the client counter-signs before we cut steel.
Service details →SparesPlant Spares & Machined Components Supply
Bearings, pillow blocks, couplings, idler frames, valves, slings and machined spares supplied to drawing or part number against a single order, with material certification and a quality control plan where the client requires one.
Service details →
Gearboxes & machiningGearbox Repair, Shaft Manufacture & CNC Machining
Conveyor and drive gearboxes stripped, assessed and rebuilt with shafts, bushes and machined components manufactured in our Benoni South engineering workshop under a 15-ton overhead crane.
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Read the project record →Technical background to this work
The reviewed articles behind the method used on this job.
Conveyor pulley failure: when to refurbish and when to replace
Lagging wear, shell cracking, locking-element slip and bearing failure are the four ways a pulley takes a conveyor down. This article sets out how each shows itself, what to inspect, and how to decide between re-lagging, refurbishment and a new pulley.
Reviewed by the Welding Coordinator · September 2026
Read the article →Have a similar scope?
Tell us the plant, the equipment and the window. We will come back with questions, a site-visit date or a priced quotation with a quality plan outline.
Office +27 17 007 0135 · WhatsApp +27 72 535 1598 · info@umbussoengineers.co.za
