Removal and replacement of dn 900 valves (pumpsets 9 and 20) with dn 150 bypass valves – rand water RFQ

The procurement is for the removal and replacement of DN900 valves at pumpsets 9 and 20, including auxiliary DN150 bypass valves, at Rand Water's Palmiet Pumping Station. The work includes valve replacement, fabrication of stubs, rigging, crane hire, corrosion protection, and NDT testing.

Closing date: 24 November 2026 at 16:00

Briefing session (non-compulsory): 26 October 2026 at 10:00, at Palmiet Pumping Station, Van Bergen Street, Alberton, 1448

Issue date: 22 October 2026

Clarifications / addenda issued by Rand Water no later than three calendar days before closing date.

Bidding procedure enquiries:

• Contact: Pitsi Mpyana (Buyer)
• Email: [email protected]
• Telephone: 011 682 0604

Sourcing manager enquiries:

• Contact: Semakaleng Mangoali (Sourcing Manager)
• Email: [email protected]
• Telephone: 011 698 (number incomplete in source)

Submission address: Rand Water Online Bids Application at https://bids.randwater.co.za/

Submission method: online only via the Rand Water Online Bids Application at https://bids.randwater.co.za/. RFQs submitted by email will not be considered. Submissions must be received by the closing date and time; late submissions will not be accepted. All submissions must be made on the official forms provided (not re-typed). One copy of the bid document and returnables is required. Fully complete and sign the Letter of Bid (Form of Offer and Acceptance). Returnable documents must include:

• Pre-qualifiers: CIDB contractor registration certificate (or copy of application) and Letter of Good Standing from the Department of Labour (COIDA).
• Pricing Schedule / Bill of Quantities (BoQ).
• Compulsory Enterprise Questionnaire (T2.2.1) - completes and signs.
• SBD 6.1 Preference Points Claim form - completes and signs.
• SBD 4 Bidder's Disclosure - completes and signs.
• Resolution Letter for the Contractor (authority to sign).
• Functionality evaluation documents (as per T1.3.2).
• B-BBEE certificate or sworn affidavit.
• Record of addenda to bid documents (T2.2.2).
• Alternative bid schedule (T2.2.3) or mark NIL.
• Qualifications to bid (T2.2.4) or mark NIL.
• Record of previous experience, quality of workmanship and safety (T2.2.5).
• Human Resource Capacity Schedule (T2.2.6).
• Equipment Resource Capacity schedule (T2.2.7).
• Contract Agreement (C1.1.2).
• Detailed project programme: Gantt chart, Level 2 schedule activities, resource-loaded schedule, monthly cash flows, aligned to Rand Water's programme.

Disqualification risks include: submission after the closing time, omission of any returnable form, using persons in the service of the state as bidder or director/member, and failure to meet pre-qualification criteria.

Evaluation stages:

1. Pre-qualification: Must meet all of - Letter of Good Standing from Department of Labour or accredited institution; CIDB registration with grading designation of 3ME or higher; fully completed and signed Form of Offer and Acceptance.
2. Functionality evaluation - minimum qualifying score of 70/100. Criteria and weights:

• Previous Related Experience (similar to current RFQ scope): None=0%, Weak=1 reference, Moderate=2 references, Good=3 references. Weight 25.
• Human Resource Capacity: based on HR capacity schedule; None=0%, Weak=organogram not reflecting resource needs, Moderate=partially addressing, Good=adequately addressing. Weight 25.
• Equipment Resource Capacity (plant, equipment, vehicles, software): None=0%, Weak=minimal capacity, Moderate=capacity meets with some gaps, Good=capacity meets requirements. Weight 25.
• Work Breakdown / Schedule / Project Programme: None=0%, Weak=submitted but unclear, Moderate=submitted with some indication of duration, Good=submitted with clear duration and delivery date. Weight 25.

3. Price and B-BBEE preference points (80/20 system): Price points (max 80) calculated using formula Ps = 80

• (1 - (Pt - Pmin)/Pmin). B-BBEE points (max 20) per status level: Level 1=20, Level 2=18, Level 3=14, Level 4=12, Level 5=8, Level 6=6, Level 7=4, Level 8=2, Non-compliant=0. Total adjudication points = price points + B-BBEE points. Rand Water does not bind itself to accept the lowest or highest bid. Alternative bids must include full technical information and pricing; alternative price may not exceed main bid price.

Scope: Removal and replacement of DN 900 valves at pumpsets 9 and 20, including auxiliary DN 150 bypass valves, at Palmiet Pumping Station. Key work items from Bill of Quantities:

• Remove and install one DN900 delivery gate valve (9 tonnes, x70 bar), including bolting ancillaries.
• Fabricate two valve stubs for DN900 valve (6 tonnes, x70 bar) using free-issued materials.
• Remove and install DN900 x70 bar valve rig including DN150 bypass.
• Provide a 50-ton mobile crane for 44 hours, with a reliever for the crane operator and assistant if needed.
• Supply galvanic corrosion and sealant material for valves to be installed (6x DN900 and 2x DN200 Klinger Type 4438 steel reinforced full face).
• Perform NDT on all welding runs by dye penetrant and magnetic particle test, and submit a data book for all welding work in line with QCP and safety file.

Eligibility and pre-qualification:

• Must be registered with the CIDB (or capable of being so before evaluation) with a contractor grading designation of 3ME or higher. Joint ventures eligible if every member registered with CIDB and lead partner has grading designation 3ME or not lower than one level below, and combined grading meets requirement.
• Must provide a Letter of Good Standing from the Department of Labour (COIDA) or accredited institution.
• Must be registered on the Central Supplier Database (CSD) and provide a valid tax compliance status (SARS TCS PIN).
• Must not be persons in the service of the state, nor have directors/members who are.
• Must complete SBD 4 (Bidder's Disclosure) - discloses any employment by organ of state and relationships; false disclosure leads to disqualification.
• Must complete SBD 6.1 (Preference Points Claim) - claims B-BBEE points under 80/20 system.
• B-BBEE status: a valid B-BBEE certificate or sworn affidavit (for EMEs/QSEs) is required to claim preference points. Bidders not submitting a certificate will score zero for B-BBEE but will not be disqualified.
• Must complete Compulsory Enterprise Questionnaire (T2.2.1) - provides company particulars and authorises verification of tax clearance.
• Must provide a Resolution Letter authorising the signatory.