Refurbishment of ferric chloride and coagulant dosing equipment at rietvlei water purification plant, tshwane

Scope: Refurbishment of ferric chloride and coagulant dosing equipment at Rietvlei Water Purification Plant, Tshwane. Work includes refurbishment of pumps, valves, stands, installation, consumables, testing, and provision of manuals.

Refurbishment of 4 Grundfos DDE 60-10 AR-PVC/V/C pumps for coagulant dosing (60 l/h, 10 bar, PVC liquid end).

Refurbishment of 4 Grundfos DDE 60-10 AR-PVC/V/C pumps for ferric dosing.

Refurbishment of one 95730807 - MFV-G5/8-10 PVC/V U2-3-way valve.

Supply and installation of 2 polypropylene wall mounted pump stands (outdoor, each housing 3 pumps).

Mechanical consumables (FIP valves, PVC fittings, PVC piping).

Electrical consumables (glands, cables).

Painting and refurbishment of the bund.

FAT testing and internal commissioning.

Travelling (200 km).

Provision of OEM manuals and data book (1 set).

Bidders must complete Annexure C2.2 pricing schedule. Provide unit prices and quantities for each milestone/line item as listed. The schedule covers pump refurbishment, valve refurbishment, stand supply, installation, consumables, painting, testing, travelling, and manuals. Total cost must include VAT.

Pricing must be submitted on Annexure C2.2 pricing schedule.

Unit prices and quantities required for each line item.

Total must include VAT.

No bid security or guarantee mentioned.

Issue date: 27 October 2026

Briefing session: 03 November 2026 at 11:30 (non-compulsory)

Venue: City of Tshwane Rietvlei Water Treatment Plant, GPS 25°52'38.1"S and 28°15'50.2"E

Closing: 13 November 2026 at 16:00

Bid validity: at least 90 days from closing date

Buyer contact:

• Name: Lindelwa Mgwambe
• Telephone: 011 682 7050
• Email: [email protected]

Sourcing Manager contact:

• Name: Semakaleng Mangoali
• Telephone: 011 682 0396
• Email: [email protected]

Submission platform: https://bids.randwater.co.za/

Bids must be submitted online via the Rand Water Online Bids Application at https://bids.randwater.co.za/ . Email submissions will not be accepted. All submissions must be made on the official forms provided and must not be re-typed. One copy of the bid and all returnables must be submitted. Late bids will not be accepted.

Returnable documents: all must be completed, signed and submitted with the bid:

• Pre-qualifiers: CIDB registration certificate (or application), Letter of Good Standing (COIDA), and fully completed and signed Form of Offer and Acceptance.
• Pricing Schedule / Bill of Quantities (BoQ).
• Compulsory Enterprise Questionnaire (T2.2.1).
• SBD 6.1 Preference Points Claim (complete and sign).
• SBD 4 Bidder's Disclosure (complete and sign).
• Resolution Letter for the Contractor (authorising the signatory).
• Documents supporting functionality criteria (previous experience, HR capacity, equipment capacity, project programme).
• B-BBEE certificate or sworn affidavit.
• Record of addenda to bid documents.
• Alternative bid schedule (if applicable).
• Qualifications to bid.
• Detailed project programme in Gantt chart format, Level 2 schedule, resource-loaded schedule and monthly cash flows.
• Letter of Bid (Form of Offer and Acceptance) and Contract Agreement.

Bidders must not be persons in the service of the state, nor have directors or members in the service of the state. Clarifications/addenda will be issued at least three calendar days before closing.

Evaluation stages:

1. Pre-qualification: bidders must be CIDB registered (or capable before evaluation) for grade 1ME or higher; must submit a Letter of Good Standing (COIDA); and must fully complete and sign the Form of Offer and Acceptance.
2. Functionality: scored out of 100 across four criteria. A minimum score of 70 is required to proceed:

• Previous Related Experience (similar scope): Weight 25. Ratings: None=0%, Weak=33.3% (1 reference), Moderate=66.7% (2 references), Good=100% (3 references).
• Human Resource Capacity: Weight 25. Based on company organogram reflecting resource needs.
• Equipment Resource Capacity (plant, equipment, vehicles, software): Weight 25. Based on capacity to meet scope.
• Work Breakdown/Schedule/Project Programme: Weight 25. Credible and aligned with contractual requirements.

3. Price: Under the 80/20 preference point system, price scores a maximum of 80 points by formula Ps = 80(1 - (Pt - Pmin)/Pmin).
4. B-BBEE: maximum 20 points based on status level (Level 1=20, 2=18, 3=14, 4=12, 5=8, 6=6, 7=4, 8=2, non-compliant=0). Bidders not submitting a certificate or being non-compliant are not disqualified but score zero.

Total adjudication points = Price points + B-BBEE points. Rand Water does not bind itself to accept the lowest or highest score.

The scope of work is the refurbishment of ferric chloride and coagulant dosing equipment at the Rietvlei Water Purification Plant in Tshwane. Technical requirements are detailed in the bid documentation. Bidders must provide a detailed project programme including Gantt chart, Level 2 schedule, resource-loaded schedule and monthly cash flows.

Pricing must be submitted on the Pricing Schedule / Bill of Quantities. The 80/20 preference point system applies, indicating an estimated contract value of R0 to R50 million (incl. VAT). Price score is calculated using the formula Ps = 80 x (1 - (Pt - Pmin)/Pmin).

The following are mandatory:

• CIDB registration: grade 1ME or higher (or proof of application, must be registered before evaluation).
• Letter of Good Standing from the Department of Labour (COIDA).
• Central Supplier Database (CSD) registration and valid tax compliance status.
• B-BBEE: certificate or sworn affidavit (for EMEs and QSEs) to claim preference points.

Pre-qualification: CIDB 1ME or higher; Letter of Good Standing (COIDA); fully completed and signed Form of Offer and Acceptance. Functionality: minimum score 70/100 across four weighted criteria. Preference points: 80/20 system.