SERVICE AND MAINTENANCE OF CENTRIFUGES AND VORTEX MIXERS

Agency: UNDP | Reference: UNDP-ZWE-02085 | Type: Request for quotation SCOPE OF WORKGeneral ObligationsThe firm shall:•    Deploy a sufficient team of qualified specialists to complete all preventive maintenance within the contract period.•    Replace worn or defective components using genuine or manufacturer-approved spare parts only. Equivalent-specification parts may be used only with prior written approval from UNDP.•    Use calibrated test instruments for all measurements and document all findings, adjustments, faults, parts replaced and post-service verification results.•    Submit all reports, job cards and deliverables to UNDP (primary recipient) with copies to MoHCC Directorate of Laboratory Services.•    Comply with facility infection prevention and control (IPC) protocols and applicable HSE regulations at all times.Centrifuge - Preventive MaintenanceScope: 158 centrifuges at designated facilitiesFrequency: Once per yearFor each centrifuge, the firm shall:The activities listed below constitute the mandatory minimum maintenance standard. All activities shall be performed on every centrifuge unit. No alternative methodology shall be proposed.•    Inspect rotor, rotor chamber, rotor lock mechanism and release for wear, cracking, corrosion and secure fit.•    Inspect lid, lid gasket, safety interlock switches and automatic lid lock; test interlock function.•    Inspect bearings for noise, vibration and wear; lubricate to manufacturer specification.•    Inspect brushes and holders (where applicable); replace if below minimum wear limit.•    Inspect drive belt (where applicable) for wear, cracking and tension.•    Inspect electrical connections, power cable, switch and motor for insulation integrity and secure connections.•    Verify speed accuracy at multiple set-points using a calibrated tachometer; adjust or calibrate as required.•    Verify timer function and accuracy.•    Perform imbalance detection test and verify safety auto-stop function.•    Clean rotor chamber, lid interior, external surfaces and ventilation grilles.•    Complete a post-service functional check under load and verify safe operation.•    Record all measurements and findings on the approved centrifuge service checklist.3.3 Vortex Mixer - Preventive MaintenanceScope: All vortex mixers at designated facilities (quantity TBC — to be confirmed during inception site survey) Frequency: Once per yearFor each vortex mixer, the firm shall:The activities listed below constitute the mandatory minimum maintenance standard. All activities shall be performed on every vortex mixer unit. No alternative methodology shall be proposed.•    Inspect power cable, switch, speed control and electrical connections for wear, damage and secure fit.•    Inspect motor for abnormal noise, vibration or heat; replace brushes if below minimum wear limit (where applicable).•    Inspect and replace cup head / platform rubber if worn, cracked or deformed.•    Verify operation across the full speed range; adjust speed control calibration as required.•    Inspect rubber feet / anti-vibration base for deterioration; replace as required.•    Clean exterior, ventilation slots and platform surface.•    Perform post-service operational check and record findings on the approved vortex mixer service checklist.3.4  Condition Assessment and Priced Bill of Quantities (BOQ)•    Conduct a thorough physical inspection and functional assessmenInterested suppliers must submit their offer directly in the system as instructed in the solicitation document, following the instructions in the available user guide.In case you have never registered before, you can register a profile using the registration link shared via the procurement notice and following the instructions in guides available in the UNDP website:https://www.undp.org/procurement/business/resources-for-bidders.Do not create a new profile if you already have one. Use the forgotten password feature in case you do not remember the password or the username from previous registration.Search for the specific tender using search filters and subscribe to the tender in order to get notifications in case of amendments of the tender document. If you need support with the online system, you can contact the contact details of this tender as indicated in the solicitation document.THIS PROCUREMENT OPPORTUNITY IS OPEN TO ZIMBABWEAN FIRMS ONLY.[UNDP ZIMBABWEPROCUREMENT UNIT] CONTACT: • Email: oscar.zindoga@undp.org