Close Menu
SUBSCRIBE
Tenders

TNPA Seeks Contractor for Water Pipeline Repairs in Durban

MoBy No Comments3 Mins Read

The Transnet National Ports Authority (TNPA) has issued Request for Proposal TNPA/2026/07/0005/114605/RFP for the repairs to a portable stainless steel water pipeline. This strategic six-month contract targets experienced civil and marine engineering contractors to maintain critical infrastructure at the Port of Durban.

Scope of Works and Infrastructure Repairs

The primary scope involves re-welding and repairing a stainless-steel potable water pipeline located at various elevations on the pipe rack, with work required at heights of up to 6.5 metres . Key deliverables include:

  • Remedial Welding: Back grinding existing seam welds to the root and re-welding using Tungsten Inert Gas (TIG) welding, adhering to SANS standards.
  • Sleeve Installation: Fabricating and welding stainless steel sleeves (in two halves) around the repaired sections for reinforcement.
  • Non-Destructive Testing (NDT): Conducting Liquid Penetrant Inspection (LPI) on all welds to verify integrity.
  • Installation: Supplying and installing stainless steel air bellows with flanges and 80mm ball valves.
  • Completion: Supplying as-built drawings, NDT reports, material certificates, and a data pack.

The estimated quantities include work on approximately 120 welds for 200mm diameter pipes and 60 welds for 150mm diameter pipes .

Mandatory and Pre-Qualification Criteria

To be considered, bidders must meet stringent administrative, substantive, and technical pre-qualification criteria :

  • CIDB Grading: Bidders must be registered with the CIDB, or capable of being so, in a contractor grading designation of 3ME or higher.
  • Compulsory Attendance: A representative of the tendering entity must attend the compulsory clarification meeting.
  • Technical Certifications: Submission of valid trade test certificates and proof of registration with the Plumbing Industry Registration Board (PIRB). The plumber must be authorised to issue Certificates of Compliance (COC).
  • Safety Officer: Proof of registration with the South African Council for the Project and Construction Management Professions (SACPCMP) for the Safety Officer.
  • Welding: Proof of welding trade test certificate for personnel conducting welding activities.

Compulsory Briefing Session Protocols

Attendance at the pre-bid clarification meeting is strictly mandatory. Bidders who fail to attend and sign the register will be automatically disqualified. Original ID documents are required for site access verification.

  • Date: Thursday, 06 August 2026
  • Time: 10:00
  • Venue: 237 Mahatma Gandhi Road, Durban, 4000

Mandatory Health and Safety Compliance

Given the operational nature of the Island View precinct, strict adherence to TNPA’s safety protocols is non-negotiable. Bidders must submit comprehensive Health and Safety Specifications, including risk assessments for working at heights and near operational machinery, as detailed in the annexures.

Strict Submission Guidelines

Sealed bid proposals must be clearly marked with the tender number and deposited in the official TNPA tender box. Late, emailed, or faxed submissions will not be accepted under any circumstances.

  • Closing Date: Tuesday, 18 August 2026
  • Closing Time: 14:00

Related opportunity: Sentech Seeks Waterproofing Contractor for Riversdale Site

Enquiries and Document Access

For technical and supply chain queries, contact Hlengiwe Dlamini at TNPAtenderenquiriesdbn@transnet.net or 031-361-8735.

Stay Updated

Want to stay informed about more tenders, funding opportunities, and business tips? Follow our updates on the StepApp Network:

Related Posts