Tenders are hereby invited for the following: Duvha Power Station HVAC upgrade for period of 6 (six) months. Scope of Works The works entail the detailed design, procurement, manufacture, quality control, supply, delivery, offloading, construction, installation, commissioning, testing, training and handing over of all materials and equipment necessary for the completion of HVAC: - New 2 x 100% package cooling units (heat pump or similar); - New return air fan; - Provide hydraulic analysis report for duct work and air flow; - Provide temporary scaffolding, hoisting, equipment rigging and temporary supports - New local control panels; - Power and distribution cabling (i.e: from HVAC Electrical Switchgear panel to equipment); - Structural supports and steel work for HVAC equipment; - Quality assurance; - Operating and Maintenance Manuals; - Test and commission the system; - Interface with the fire detection system. (投標 №87948959cn)