# The scope of work (SOW) is limited to the design, manufacture, testing, supply, delivery (Inclusive of training and spares), installation and commissioning of the Online vibration monitoring system on oil filled HV Reactors

> This tender closed on 2026-06-30.

- **Reference:** E3037NTCSAMWP
- **Issuer:** [ESKOM](https://za.bidwunder.com/tenders/issuer/eskom-2.md)
- **Region:** National
- **Type:** Expression of interest
- **Published:** 2026-06-09
- **Closing date:** 2026-06-30 12:00 SAST
- **Sectors:** [Electrical equipment](https://za.bidwunder.com/tenders/sector/C27.md)

## Summary

#### Overview
**Procurement of an online vibration monitoring system for oil-filled HV reactors, including design, manufacture, testing, supply, delivery (with training and spares), installation and commissioning.** This is an NTCSA/Eskom RFI/EOI to gather information from manufacturers or distributors of HV vibration monitoring solutions and related services (instrumentation, data analytics, cybersecurity, and remote access). Target bidders: HV equipment suppliers, vibration monitoring specialists, and system integrators.

Documentation referenced: functional specification (RP-240-185000678.pdf) and RFI templates (559-333907402).

#### Requirements
- Continuous vibration measurement and data logging with accurate timestamps; data displayable per sensor.
- Local storage and live modelled display; ability to transmit to portable display; web access to data.
- Configurable alarm thresholds with push SMS notifications.
- Compliance with cybersecurity requirements; non-interference with reactor safety.
- Self-diagnostics for sensors and cabling; IP65 enclosure; outdoor use.
- Environment: outdoor installation, up to 1800 m altitude, -10°C to +40°C, high humidity, high UV, seismic 0.3g, C5 pollution.
- Power: reliable power source; built-in long-lasting batteries or AC supply.
- Installation: transducers on reactor tank side walls; secure attachment despite severe vibrations; include training on installation, operation, maintenance, commissioning, decommissioning.
- Documentation: OEM user manual required with submission.
- Support: minimum 5 years’ technical/maintenance support after commissioning.
- Measurement capability: displacement up to at least 500 µm peak-to-peak.
- Warranty/guarantees and installation scope to be clarified in response.
- Evaluation: NTCSA will use a technical evaluation framework; top proposals prioritized; no hard pass/fail described.

Key details sourced from RP-240-185000678.pdf (functional requirements) and related RFI docs (see filenames in parentheses).

#### How to Apply
- Deadline: 30 June 2026, 10:00 SA time. (RFI documents: E3037NTCSAMWP.pdf/.docx)
- Submission method: electronic via NTCSA E-tendering site; no physical submissions. No late submissions. 
- Documents to complete/submit: Part A describes the works; Part B is the response sheet to be completed (contact details, company type, experience, compliance evidence, customer list, warranties, indicative prices). Include evidence of Eskom standards compliance if available; provide type/test certificates, drawings, manuals as applicable. 
- Required registrations/pre-qualifications: Submit via NTCSA E-tendering; refer to supplier help manual on Eskom E-tendering page.
- Briefing: None indicated.
- Where to obtain bid documents: NTCSA Tender bulletin/e-tendering page (and the attached RFI templates). Reference documents: Request for Information online vibration for HV REACTORS_E3037NTCSAMWP.pdf/.docx and NTCSA RFI template 559-333907402.
- Contact: Mabatane Mariri, maririma@ntcsa.co.za, 011-800-4616. (See RFI documents for contact details.)

Note: The RFI is market-testing and does not guarantee eventual award; indicative prices may be requested in some responses. (RFI templates: 559-333907402)

## Description

The scope of work (SOW) is limited to the design, manufacture, testing, supply, delivery (Inclusive of training and spares), installation and commissioning of the Online vibration monitoring system on oil filled HV Reactors

The scope of work (SOW) is limited to the design, manufacture, testing, supply, delivery (Inclusive of training and spares), installation and commissioning of the Online vibration monitoring system on oil filled HV Reactors

Conditions: N/A Briefing Venue: None

## Documents

- Request for Information online vibration for HV REACTORS\_E3037NTCSAMWP.docx..docx
- Request for Information online vibration for HV REACTORS\_ E3037NTCSAMWP.pdf..pdf
- RP-240-185000678.pdf..pdf

Documents download with a free BidWunder account.

## Published on

- [eTenders.gov.za](https://www.etenders.gov.za)

More open tenders: https://za.bidwunder.com/tenders.md

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