Supply, delivery, installation and repairs of two single-stage diaphragm pumps for the ppecb laboratory

Closing date: 30 October 2026 at 16:00

Opening date: 16 October 2026

Bid validity period: 90 days from closing date

Contact: Portia Jonginyanga

Role: Contact person for bidding procedure and technical enquiries

Email: [email protected]

Telephone: 021 930-1134

Submission email: [email protected]

Delivery address (for the pump): PPECB Laboratory, Centurion Close, 119 Gerhard Street, Centurion, 0157

Submission method: email only, to [email protected]

Closing time: 30 October 2026 at 16:00

Returnable documents (all must be completed, signed and submitted):

• SBD1 (Invitation to Bid): bidder and contact details, signed as the offer cover page; include the CSD Master Registration Number.
• SBD4 (Bidder's Disclosure): declares any interest or relationship with state employees or the procuring institution; false disclosure disqualifies the bid.
• SBD6.1 (Preference Points Claim Form): claims preference points for specific goals; must be supported by proof.
• Valid Tax Clearance Certificate or SARS PIN.
• Valid B-BBEE Certificate or EME/QSE Affidavit.
• CSD Registration Report (proof of registration).
• SBD3.2 (Pricing Schedule): total inclusive cost with VAT and a price breakdown.
• Signed general terms and conditions (attached to the RFQ).
• Annexure A: company experience and references table.

Disqualification risks:

• Late submissions are not accepted for any reason.
• Bidders not registered on the CSD at closing time, or prohibited from doing business with the state, are disqualified.
• Any returnable document missing or unsigned disqualifies the bid.
• Bidders in the service of the state, or with directors/members in the service of the state, are not considered.

Evaluation stages (failure at any stage disqualifies):

Stage 1 – Compliance: all returnable documents submitted and signed.

Stage 2 – Functional/technical evaluation (total 112 points):

• Warranty: minimum three-year warranty covering all parts – 10 points
• Spare parts availability: at least three years – 10 points
• Service and maintenance plan: comprehensive three-year annual plan – 10 points
• Minimum requirements: laboratory use, chemical resistance, single-stage oil-free design – 6 points
• Technical specifications: pumping speed, ultimate vacuum, noise level, wetted material, weight – 11 points
• References: 3 references = 15, 2 = 10, 1 = 5, 0 = 0 – 15 points
• Lead time: 4-5 weeks = 10, 6-8 weeks = 5, 9+ weeks = 0 – 10 points
• Company experience: more than 5 years = 20, 2-5 years = 10, less than 2 years = 0 – 20 points

Minimum functional threshold: 90 points. Bidders scoring below 90 are disqualified.

Bidders scoring 50 or more will be contacted for a demonstration.

Stage 3 – Price and specific goals: 80/20 preference point system (80 points price, 20 points specific goals).

Stage 4 – Objective criteria: PPECB may consider risk of fruitless and wasteful expenditure, abnormally low bid, material irregularity, litigation with PPECB, and poor past performance.

The PPECB requires supply, delivery, installation and repairs of two single-stage diaphragm vacuum pumps for its laboratory in Centurion. The successful bidder enters a three-year service and maintenance contract.

Pump requirements:

• Single-stage diaphragm pump, oil-free operation.
• Suitable for laboratory applications: mobile phase filtration, degassing.
• Wetted parts made of PTFE (Teflon) or PTFE-coated for chemical resistance.
• Quiet operation, low noise and vibration, capable of handling water/chemical vapour.
• Equipped with control to manage water and solvent vapour loads.
• Designed for ease of maintenance or no maintenance.
• Compatible with single-connection Millipore or equivalent filtration systems; suitable tubing must be supplied.
• Constructed from chemically resistant materials for common laboratory solvents.

Technical specifications:

• Pumping speed/flow rate: 35 to 75 L/min (or 2.0 to 4.5 m3/h)
• Ultimate vacuum: 70 to 120 mbar
• Noise level: 50 dB or below
• Wetted material: PTFE or PTFE-coated diaphragm
• Weight: 20 kg maximum

Price must be inclusive of delivery to the PPECB Laboratory in Centurion.

Bidders must provide a list of contactable references (Annexure A) for similar services/products sold. References scored: 3 references = 15 points, 2 = 10, 1 = 5, 0 = 0.

Company experience: more than 5 years = 20 points, 2-5 years = 10, less than 2 years = 0.

Pricing schedule (SBD 3.2): bidders must provide total inclusive cost for the services, including VAT, and a price breakdown. Offer valid for 90 days from closing date.

Pricing format: SBD3.2 – total inclusive cost for the services, including VAT, plus a price breakdown.

Offer validity: 90 days from closing date.

Payment terms: PPECB pays within 30 days of receipt of a correct, undisputed invoice.

Prices are fixed and not subject to change, including exchange rate fluctuations.

No bid security or guarantee is specified.

CSD registration: mandatory at closing time; include Master Registration Number in SBD1.

Tax compliance: valid Tax Clearance Certificate or SARS PIN required; each party in a consortium/JV must submit separately.

B-BBEE: valid B-BBEE certificate or EME/QSE affidavit required to claim preference points.

Specific goals (20 points total):

• Black-owned enterprises: 70-100% shareholding = 10 points, 50-<70% = 5, below 50% = 1
• Black women-owned enterprises: 70-100% = 10, 51-<70% = 5, 30-<51% = 3, below 30% = 0

Supporting evidence: SANAS approved certificate, commissioned affidavit, or shareholding certificate.

No CIDB grading required (not construction).

Bidders must not be in the service of the state.

Specific goals for preference points: Black-owned enterprises (70-100% shareholding = 10 points, 50-<70% = 5, below 50% = 1) – max 10 points; Black women-owned enterprises (70-100% = 10, 51-<70% = 5, 30-<51% = 3, below 30% = 0) – max 10 points. Total specific goals = 20 points. Supporting evidence required: SANAS approved B-BBEE certificate, commissioned affidavit, or shareholding certificate.

Contract duration: three-year service and maintenance contract.

Insurance: the successful bidder is responsible for its work, materials, tools, equipment and property issued in connection with the RFQ.

Data protection: personal information provided during bidding may only be processed for the purposes of this bid; consent to processing is given by submission.

News releases: no news releases concerning the RFQ or award without PPECB consent.

Disclaimer: the RFQ is a request for quotation only, not an offer; submission implies acceptance of all terms and conditions; PPECB makes no representation or warranty regarding the RFQ.

Purchase order terms:

• Prices are fixed unless otherwise agreed in writing.
• Payment within 30 days of receipt of a correct, undisputed invoice.
• Invoices must be submitted within 7 days of delivery and reflect the PPECB order number.
• Delivery must be on time; late delivery may lead to cancellation and recovery of losses.
• Non-compliant goods may be returned at the supplier's cost.
• Goods must be accompanied by a delivery note and waybill.
• Confidentiality obligations apply.
• Supplier indemnifies PPECB against loss or damage.
• Warranty: at least 12 months from delivery, free replacement of defective goods.
• Supplier indemnifies PPECB against trademark/patent claims.

Only bids from suppliers registered on the Central Supplier Database (CSD) will be considered. Bidders must include their CSD Master Registration Number in the SBD1. Bidders not registered on CSD at closing time or prohibited from doing business with the state will be disqualified. Bidders must comply with all terms and conditions of the RFQ and submit all returnable documents as listed in Section 9.

Evaluation process: Stage 1 – Compliance evaluation (must submit all returnable documents); Stage 2 – Functional/technical evaluation with weighted criteria (minimum threshold 90 points, bidders scoring 50+ contacted for demonstration); Stage 3 – Price and specific goals using the 80/20 preference point system; Stage 4 – Objective criteria (risk of fruitless and wasteful expenditure, abnormally low bid, material irregularity, litigation with PPECB, poor past performance).