# Supply, Installation and Commissioning on Line Partial Discharge Monitoring System 11KV Electrical Equipment

> This tender closed on 2026-07-17.

- **Reference:** 74393
- **Issuer:** [Airports Company of South Africa](https://za.bidwunder.com/tenders/issuer/airports-company-of-south-africa.md)
- **Region:** Gauteng
- **Type:** Expression of interest
- **Published:** 2026-06-24
- **Closing date:** 2026-07-17 14:00 SAST
- **Sectors:** [Specialised construction](https://za.bidwunder.com/tenders/sector/F43.md)

## Summary

#### Overview
**This Request for Information seeks information for the supply, installation and commissioning of a permanent on-line Partial Discharge Monitoring System for 11kV electrical equipment at O.R. Tambo International Airport.** Bidders with expertise in high-voltage PD monitoring, OEM partnerships, SCADA/integration capabilities, training and aftersales should respond to help ACSA assess viable solutions and implementation options for the ORTIA precincts (Terminal Building, Cargo, Airside). This is a pilot project with potential quantity adjustments.

#### Requirements
- Permanent on-line PD monitoring system for 11kV equipment, including cables, switchgear, transformers, current transformers, and busbars.
- Minimum 24 sensors; powered by 230V AC; data via fiber optic or LAN; compatible with ACSA laptops.
- Remote data access, AI analytics, dashboards/reports, and alerting (email/SMS).
- System must discriminate PD sources from external interference; retain historical data; support SCADA integration and interface with IMC and existing IT servers.
- OEM presence during commissioning; training for ACSA personnel; aftersales support; license rights for software/features/data analysis tools.
- Coverage of entire cable lengths (including tunnels/underground), DGA monitoring on transformers, and scalable for future installations.
- Documentation on licensing, integration options, and compatibility with existing infrastructure.

#### How to Apply
- Clarifications to theo.nkomo@airports.co.za by 10 July 2026 16:00 CAT.
- Submit electronic responses to ACSARfq@airports.co.za by 17 July 2026 12:00 CAT (subject: “RFI 74393”).
- Structure responses to align with the technical information and scope of works (see attached document for scope: “RFI 74431 Supply Installation and Commissioning on Line Partial Discharge Monitoring System.pdf”).
- Briefing session details: 1 Jones Aviation Park, Kempton Park, 1634 (payment not specified as mandatory in the document).
- Deadline, format and any required forms will follow the National Treasury/ACSA guidance; the RFI response may influence budgeting, with the stated 120-day validity period.

## Description

Supply, Installation and Commissioning on Line Partial Discharge Monitoring System 11KV Electrical Equipment

Supply, Installation and Commissioning on Line Partial Discharge Monitoring System 11KV Electrical Equipment

Conditions: Please submit on this email address ACSARfq@airports.co.za

## Documents

- RFI 74431 Supply Installation and Commissioning on Line Partial Discharge Monitoring System.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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> Source: https://za.bidwunder.com/tenders/supply-installation-and-commissioning-on-line-partial-discharge-monitoring-syste-905c3655