Objectives

The primary objective of this tender is to procure after-service repair for the central air conditioning (HVAC) systems at Hlabisa Hospital. The scope includes replacing parts, detecting and repairing gas leaks, re-gassing units, commissioning, and providing a 12-month guarantee on repairs.

Scope

The scope of work involves:

• Replacing listed parts and components as specified.
• Detecting and repairing gas leaks in HVAC units.
• Re-gassing the units and commissioning after repairs.
• Providing a comprehensive report of services performed.
• Guaranteeing workmanship and parts for 12 months post-repair.
• Materials, components, and ancillary parts are to be supplied at firm prices, with detailed lists and unit costs where applicable.

Technical Requirements

The technical requirements include:

• Replacement of gas leaks, compressors, filters, driers, electronic switches, expansion valves, and other specified parts.
• Testing all compressor windings and pressure testing systems with nitrogen and 141b.
• Recharging units with appropriate refrigerants (R22/R507).
• Replacing faulty controllers, compressors, and wiring as identified.
• Performing system flushing, calibration, and commissioning.
• Guaranteeing repairs against defective parts and workmanship for 12 months.
• Providing detailed reports, invoices, and documentation upon completion.

Skills Requirements

The bidder must demonstrate:

• Valid CIDB Grade 3 ME certification.
• Proven experience with HVAC plant equipment (minimum of three previous jobs).
• Valid gas certification (SAQCC).
• Public liability insurance coverage of at least R3,000,000.
• Ability to provide warranty certificates for 3 months post-work completion.
• Competence in working with HVAC systems, including leak detection, compressor replacement, and system re-gassing.
• Capability to supply all required documentation, including tax clearance, BBBEE certificates, and CSD compliance.