For the Design, Supply, Installation, Commissioning and Testing of the Sulphuric Acid Storage and Dilution Upgrade Project at Duvha Power Station for a Period of Twenty-four (24) Months

E3020GXMPDUV

2026-06-17 10:00

2026-06-29 10:00

Eskom Holdings SOC Limited Gauteng

5 ME

Architectural and Engineering Services, Electrical Engineering, Engineering Consulting, Plant Automation, PLC, SCADA, Building Management Systems, Professional Services, Supply and Installation of Machinery and Equipment

Mpumalanga

ESKOM

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Tender Notice and Invitation to Tender
For the Design, Supply, Installation, Commissioning and Testing of the Sulphuric
Acid Storage and Dilution Upgrade Project at Duvha Power Station for a period
of Twenty-Four (24) Months
Employer Tender Number: E3020GXMPDUV
cidb Reference Number: 100117687
ESKOM HOLDINGS SOC LIMITED GAUTENG INVITES TENDERS FOR FOR THE DESIGN, SUPPLY, INSTALLATION,
COMMISSIONING AND TESTING OF THE SULPHURIC ACID STORAGE AND DILUTION UPGRADE PROJECT AT DUVHA
POWER STATION FOR A PERIOD OF TWENTY-FOUR (24) MONTHS
It is estimated that tenderers should have a cidb contractor grading of 5ME or higher.
Preferences are offered to tenderers who CIDB ME5 OR HIGHER
Only tenderers who 1. Valid ISO 3834-2 Certification required. Complete
certification (all pages) of the valid ISO 3834-2 certificate
must be submitted, and it must clearly indicate
certification for the following Design Codes as a
minimum: BS EN 13480; BS EN 13445 or P5500 as well
as the following Material Groups as a minimum:1, 11 and
8 according to ISO 15608 for which the Contractor is
declared competent.
2. Professional registration of engineers for each disciplines
(Mechanical, Chemical, C&I and Electrical) design
engineers are required to be a professionally
recognised/registered engineer/technologist with ECSA.
3.The Sulphuric Acid Storage and Dilution System is
controlled via the Water treatment Plant Control system.
The Water Treatment Plant (WTP) Control System is ABB
Symphony Infi90 DCS and 800xA HMI. The tenderer must
demonstrate intent to interface the Sulphuric Acid Storage
and Dilution System with the ABB Symphony Infi90 DCS
and 800xA HMI. are eligible to submit tenders.
The Physical Address for collection of Tender documents is:
Eskom Tender Bulletin
National Treasury e-Tender Portal
Nil
1032
Documents may be collected during work hours after 08h00 on 08 June 2026
NIL
Queries relating to the issues of these documents may be addressed to:
Sibusiso Mthimkulu
Tel No. 0136900508

E-mail. [email protected]
A clarification meeting with representitives of the Employer will take place at MS Teams on 17 June 2026 starting at 10h00.
The closing time for receipt of Tenders is 10h00 on Monday, June 29, 2026.
Emailed and Late Tenders will not be accepted.
Tenders may only be submitted on the tender documentation that is issued.
Requirements for sealing, addressing, delivering, opening and assessment of Tenders are stated in the Tender Data.

Page: 2



Additional Information:
Employer Name: Eskom Holdings SOC Limited Gauteng
Province: Mpumalanga
Municipality: Nkangala District Municipality
Closing Date: 2026-06-29 10:00
Site Meeting: Yes
Briefing Date: 2026-06-17 10:00
CIDB Class: 5 ME
Subcategory:
Documents Available from: 08 June 2026

Tender Summary

Objectives

The primary objective of this tender is to design, supply, install, commission, and test an upgraded Sulphuric Acid Storage and Dilution System at Duvha Power Station. The project aims to enhance the safety, efficiency, and integration of the sulphuric acid handling processes within the power station's infrastructure over a period of twenty-four (24) months.

Scope

The scope of the project includes:

  • Design of the Sulphuric Acid Storage and Dilution System in accordance with relevant standards and certifications.
  • Supply of all necessary equipment and materials for the upgrade.
  • Installation of the system at Duvha Power Station.
  • Commissioning and testing of the system to ensure compliance and operational readiness.
  • Integration of the system with the existing Water Treatment Plant Control System (ABB Symphony Infi90 DCS and 800xA HMI).

Technical Requirements

The technical requirements include:

  • Valid ISO 3834-2 Certification, covering all pages of the certificate.
  • Design certification for the following codes: BS EN 13480, BS EN 13445, or P5500.
  • Material Group competence as per ISO 15608, specifically Groups 1, 11, and 8.
  • Mechanical, Chemical, Control & Instrumentation (C&I), and Electrical design engineers must be professionally recognized/registered with ECSA.
  • Interface capability with the existing Water Treatment Plant Control System (ABB Symphony Infi90 DCS and 800xA HMI).
  • Compliance with safety, quality, and operational standards relevant to acid storage and handling systems.

Skills Requirements

The tenderer must demonstrate the following skills and competencies:

  • Professional registration or recognition of Mechanical, Chemical, C&I, and Electrical engineers/technologists with ECSA.
  • Proven experience in designing and implementing sulphuric acid storage and dilution systems.
  • Capability to interface and integrate with existing control systems, specifically ABB Symphony Infi90 DCS and 800xA HMI.
  • Certification and competence in welding and fabrication as per ISO 3834-2 standards.
  • Project management skills to deliver the project within the stipulated twenty-four (24) months timeframe.
This summary is AI generated. Download the tender documents for all the information.

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