Knowledge of: purpose and basic principles of the chilling process, including the purpose of both washing and chilling as it affects bacterial load basic operating principles of equipment, such as main equipment components, status and purpose of guards, equipment operating capacities and applications, and the purpose and location of sensors and related feedback instrumentation services required and action to take if services are not available the effect of each stage on the quality of end product, including the relationship between immersion time, water temperature, and agitation on the amount of water absorbed by the carcass and on washing efficiency the flow of the chilling process and the effect of outputs on downstream processes quality characteristics to be achieved by the chilling process quality requirements of carcasses and materials and effect of variation on chilling process performance operating requirements and parameters and corrective action required where operation is outside specified operating parameters, such as specifications for temperature range of washers and chillers typical equipment faults and related causes, including signs and symptoms of faulty equipment and early warning signs of potential problems methods used to monitor the chilling process, such as inspecting, measuring and testing as required by the process inspection or test points (control points) in the chilling process and the related procedures and recording requirements, including procedures for measuring deep muscle temperature changeover procedures contamination/food safety risks associated with the chilling process and related control measures common causes of variation and corrective action required occupational health and safety (OHS) hazards and controls, including the limitations of protective clothing and equipment relevant to the work process requirements of different shutdowns as appropriate to the chilling process and workplace production requirements, including emergency and routine shutdowns and procedures to follow in the event of a power outage isolation, lock out and tag out procedures and responsibilities procedures and responsibility for reporting production and performance information environmental issues and controls relevant to the chilling process, including waste/rework collection and handling procedures related to the process basic operating principles of process control, where relevant, including the relationship between control panels and systems and the physical equipment sampling and testing associated with chilling process monitoring and control where relevant routine maintenance procedures where relevant cleaning and sanitation procedures where relevant |