HVAC installation, repair and commissioning services – nmisa (RFQ 12996)

The procurement covers HVAC installation, repair, and commissioning across multiple buildings at NMISA, including controllers, heaters, air conditioners, chillers, ducting repairs, and electrical fault-finding. Work is split across Buildings 4, 5, 6, and 7. Contractor must provide dust protection for equipment and remove all old units to the facilities storeroom.

Closing: 9 November 2026 at 12:00

Compulsory site briefing: 5 November 2026 at 11:00

Venue: CSIR Campus, Building 5, Meiring Naude Road, Brummeria, Pretoria 0182

Commercial enquiries

• Contact: Supply Chain
• Email: [email protected]
• Telephone: 012 947 2788

Technical enquiries

• Contact: Kamogelo Seroka
• Telephone: 012 947 2749

Quotations must be submitted by email to [email protected].

Quotations must reach NMISA by 9 November 2026 at 12:00.

Include company letterhead where possible, or complete the pricing table in the terms of reference.

Submissions are subject to the attached SBD forms; complete and sign all of them.

Quotations must be firm and valid for at least 30 days.

Clearly state the delivery period.

HVAC trade certificate required, with at least two technicians holding it.

B-BBEE certificate required for pricing above R2,000.00.

Compliance with all attached SBD forms is mandatory.

Attendance at the compulsory site briefing is mandatory.

Evaluation likely based on price and compliance, but no points split or minimum score is stated.

Scope of work covers HVAC installation, repair, and commissioning across multiple buildings at NMISA.

Work locations and tasks include:

• Building 7: install and commission 8 lab controllers; install and wire heaters; rewire DB board for AHU 2 and replace its controller; replace AHU 1 controller; repair leaking ducting from AHU 1; replace actuator valve; supply and install water balancing valve on York chiller.
• Building 6 roof (clint chiller): replace compressor; pressure test, vacuum, and run chiller.
• Building 6 room 106: fault find and repair air conditioner.
• Building 6 lab 33: replace under-ceiling air conditioner (60,000 BTU); commission; protect server room equipment from dust with cover sheets.
• Building 6 room 103: fault find and repair air conditioning.
• Building 6 dosimetry: remove old units, supply and install new under-ceiling units (48,000 BTU); commission; protect laboratory equipment.
• Building 5 3rd floor room 406: repair leaking duct and insulation.
• Building 5 server room: remove old unit, supply and install new under-ceiling unit (60,000 BTU); protect server equipment; commission.
• Building 5 1st floor: fault find and repair electrical (humidifier not getting power); commission AHU for humidity and temperature.
• Building 5 1st floor quantum: remove old unit, supply and install new hide-away unit (60,000 BTU); replace damaged ceiling; commission.
• Building 5 ground floor Freiges: remove old unit, supply and install new cassette unit (36,000 BTU); replace damaged ceiling; commission.
• Building 5 basement (FIBSEM): change pipe work from aluminium to copper; major service; check for leaks, regas, and set unit to work.
• Building 4 east 3rd floor: remove old unit, supply and install new cassette unit (60,000 BTU); replace ceiling tiles; commission; protect laboratory equipment.
• Building 4 East ARI labs: clean air ventilation in all labs.

Provide cover sheets/material to protect equipment from dust wherever construction occurs.

Contractor must remove all old air conditioners and move them to the facilities storeroom.

Pricing format: Quotation must show unit price and total price per item (excl. VAT), plus 15% VAT and grand total (incl. VAT).

Prices must be firm and valid for at least 30 days.

Quotations must indicate the delivery period.

Quotations must be sent to [email protected] and reach NMISA by 9 November 2026 at 12:00.

Pricing: Quotation must show unit prices (excl. VAT), total price (excl. VAT), 15% VAT, and grand total (incl. VAT).

VAT: 15% must be applied.

Payment: NMISA is a Schedule 3A public entity under the PFMA; payments are made only after all goods and services are delivered in full.

Quotation validity: at least 30 days.

Delivery period must be stated.

Quotations should be on company letterhead where possible.

B-BBEE certificate required for pricing above R2,000.00.

HVAC trade certificate: Must be held by at least two technicians.

B-BBEE: Attach a B-BBEE certificate if the quotation exceeds R2,000.00.

Attached SBD forms: Complete all SBD forms provided with the tender.

Safety file: Must be submitted after the purchase order is issued.

Safety file: Must be submitted after the purchase order is issued.

Protection of equipment: Contractor must cover all servers and laboratory equipment with dust-proof sheets wherever construction takes place to prevent dust damage.

Warranty: 6-month warranty on all units and components after commissioning.

Completion certificate: Contractor must provide a signed-off completion certificate listing all work performed.

Removal of old units: All old air conditioners must be moved to the facilities storeroom.

Department: Supply Chain Management

Returnable documents — the SBD 4 (Bidder's Disclosure) form must be completed, signed, and submitted with the quotation. The form requires declarations on any state employment, connections to procuring institution staff, interests in related enterprises, and certification of independent bid preparation. Submissions must be received before the closing time; late submissions are disqualified.

Bidders listed on the Register for Tender Defaulters or the List of Restricted Suppliers are automatically disqualified. The bid must include a properly signed SBD 4 Declaration. The evaluation process and preference point system are not specified in the available document.

The procurement concerns the HVAC heater for Building 7 (reference RFQ 12996). Further technical specifications are not stated in the available document.

Bidders must not appear on the Register for Tender Defaulters or the List of Restricted Suppliers. No other compliance requirements are stated in the available document.

Bidders must not be on the Register for Tender Defaulters or the List of Restricted Suppliers. The SBD 4 form must declare no prohibited relationships or interests and certify independent bid preparation. No additional evaluation criteria are stated.