Refurbishment of Tutuka P/s Water Treatment Plant Vertical Sand Filter and Anion Supply Pumps on an “as and When” Required Basis for a Period of 5 Years.

E1906GXMPTUT

2025-09-30 11:00

Tender Closed on: 2025-10-13 10:00

Filtration Equipment, Supplies and Maintenance, Pumps, Valves, Pipes and Meters, Water Treatment Equipment, Supplies and Services, Wet Services / Water and Sanitation

Bethal, Mpumalanga, Standerton

ESKOM

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Tender Number: E1906GXMPTUT
Department: ESKOM
Tender Type: Request for Bid(Open-Tender)
Province: Mpumalanga
Closing Date: Monday, 13 October 2025 - 10:00
Place where goods, works or services are required: Standerton and Bethal Road - Standerton - Standerton - 2430
Special Conditions: N/A
ENQUIRIES:
Contact Person: Kwakhanya Ngema
Email: [email protected]
Telephone number: 017-749-5400
FAX Number: N/A
BRIEFING SESSION:
Is there a briefing session?: Yes Is it compulsory? NO
Briefing Date and Time: Tuesday, 30 September 2025 - 11:00
Briefing Venue: https://teams.microsoft.com/l/meetup-join/19%3ameeting_YTk5ZDVkZDItOTU5ZS00NjUzLTgzOWYtOTRiNWI0YjFiY
eSUBMISSION:
eSubmission Enabled: Submit Tender by eSubmission

This tender is also available from www.etenders.gov.za


Tender Summary

Objectives

The primary objective of this tender is to procure refurbishment and supply services for the Vertical Sand Filter and Anion Supply Pumps at Tutuka Power Station’s Water Treatment Plant (WTP). The work aims to ensure the pumps are fully refurbished, tested, and operational on an “as and when” required basis over a period of five years, maintaining water treatment efficiency and reliability.

Scope

The scope includes:

  • Full refurbishment of the Vertical Sandfilter and Anion Supply Pumps, including disassembly, component inspection, non-destructive testing, sourcing OEM-approved spare parts, re-assembly, and performance testing.
  • Transport of defective pumps from site to the contractor’s workshop and delivery of refurbished units back to Tutuka Power Station.
  • Replacement of worn or defective parts with OEM-approved components, including seals, bearings, impellers, shafts, and other critical parts.
  • Application of corrosion protection coatings and surface preparation as per standards.
  • Performance testing in accordance with ISO 9906 and vibration analysis.
  • Provision of comprehensive quality documentation, inspection reports, and certification.
  • Replacement of pump nameplates and installation of new guards conforming to safety standards.
  • Post-refurbishment condition monitoring and guarantee of pump integrity.

Technical Requirements

The technical requirements specify:

  • Adherence to standards such as ISO 9001:2015, ISO 9906 (2012), ISO 10816-6 (1995), and SANS standards.
  • Full pump disassembly, cleaning, NDT (Magnetic Particle Inspection, Liquid Penetrant, Ultrasonic Testing), and dimensional inspections.
  • Hydrostatic testing of pump casings to verify structural integrity.
  • Dynamic balancing of impellers and shafts to ISO 21940-11: Mechanical vibration — Rotor balancing – Grade G2.5.
  • Surface preparation involving abrasive blasting to Sa 2.5 cleanliness level, followed by application of epoxy and corrosion-resistant coatings.
  • Replacement of all worn components with OEM parts, sourced directly from the original manufacturer.
  • Performance testing including flow rate, head, efficiency, NPSH, vibration, and temperature monitoring.
  • Delivery of pumps with complete documentation, including test reports, certificates, and quality control records.

Skills Requirements

The contractor must demonstrate:

  • Proven experience in pump refurbishment, especially vertical centrifugal pumps, with verifiable references of completed similar projects.
  • Capability to perform detailed disassembly, inspection, NDT, and re-assembly according to OEM procedures.
  • Qualified personnel for surface preparation, coating application, and corrosion protection.
  • Expertise in pump dynamic balancing, shaft alignment, and vibration analysis.
  • Competence in hydrostatic testing, dimensional inspection, and performance testing as per ISO standards.
  • Ability to prepare comprehensive quality documentation, inspection reports, and certification packages.
  • Capacity to manage logistics, including transportation, handling, and timely delivery of refurbished pumps.
This summary is AI generated. Download the tender documents for all the information.

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