Objectives

The primary objective of this tender is to replace the existing VRF air-conditioning system at Townhill Office Park with split type air conditioning units, ensuring improved climate control and operational efficiency within the facility.

Scope

The scope of work includes:

• Disconnection and removal of 25 existing VRF indoor units.
• Supply, installation, and commissioning of various non-inverter split type air conditioning units, including mid-wall and cassette types, with specified cooling capacities (e.g., 9000 BTU/hr, 12000 BTU/hr, 18000 BTU/hr, 24000 BTU/hr, 36000 BTU/hr).
• Provision of wiring, piping, condensate drainage, wall mounting, and vibration dampening brackets.
• Electrical connections, including circuit breakers and isolators, compliant with relevant standards.
• Testing, commissioning, and handover of the installed units with necessary certificates of conformity and compliance.
• Provision of a 12-month maintenance service post-installation.

Technical Requirements

The technical specifications mandate:

• Installation of non-inverter split type mid-wall and cassette units with a minimum EER of 3.
• Compliance with KwaZulu-Natal Province Standard Specification for Refrigeration and Air-conditioning Services, SANS standards (1125, 10142, 10147, 10400), and relevant health and safety legislation.
• Use of ozone-friendly refrigerants and corrosion-protected mounting equipment.
• Electrical wiring conforming to SANS 10142 and Department of Health policies.
• All units to have a minimum 5-year manufacturer warranty, with installed systems guaranteed for 12 months.
• Installation to be executed with minimal disruption to ongoing operations, adhering to safety and health regulations.

Skills and Qualification Requirements

Eligible contractors must demonstrate:

• Proof of active CIDB registration with a minimum grading of 2ME or above.
• Registration with SAQCC Gas, Category A, and possession of a valid Wireman's License.
• Proven experience in installing and commissioning split type air conditioning systems, supported by traceable references.
• Competence in mechanical and electrical works, including compliance with relevant standards and safety regulations.
• Capability to execute the project within the specified timeframe (2 months) and with minimal operational disruption.