communication skills to interact in an ethical manner with clients from diverse social, economic and cultural backgrounds decision-making and problem-solving skills to apply logical processes, including the application of basic principles, system knowledge and experience, in conjunction with technical manuals to ensure efficient and accurate troubleshooting of faults literacy skills to read and interpret technical manuals and specifications related to swimming pool and spa circulation and filtration systems numeracy skills to perform calculations related to troubleshooting faults in swimming pool and spa circulation and filtration systems research skills to identify and locate technical information on swimming pool and spa circulation and filtration systems technology skills to use tools and equipment associated with installing, fault finding, repairing and commissioning swimming pool and spa circulation and filtration systems Required knowledge Australian Competition and Consumer Commission product safety guidelines backwashing: flow operation period commonwealth, state or territory, and local government legislation and regulations, Australian standards, and codes of practice impacting on the routine maintenance of swimming pools and spas related to: dangerous goods electrical and plumbing regulations controlling conduct of electrical and plumbing work environment protection environmental health work health and safety private and public swimming pools and spas waste disposal entrapment: causes consequences safety measures to minimise risk of entrapment: design maintenance filtration principles: clarity turbidity flocculation or coagulation causes and remedies swimming pool and spa circulation system: common faults components: circulation pumps: motor and wet end control systems dosing systems filters: gravity and ultrafine piping pressure side elements: chemical feeders electronic control systems flow meters heaters pressure filters return inlets separation tanks suction side elements: collection or balance tanks gutters main drains skimmers vacuum fittings vacuum filters vacuum gauges valves design flow rate hydraulics maintenance procedures operating principles purpose of circulation system surface water removal testing, i.e. dye testing turnover rate types of circulation systems swimming pool and spa filtration system: common faults filtration filter area filter media filter media changeover: bather load cleaning regime location (indoor or outdoor) pool volume pool water temperature turnover water balance filter media rate limits of filtration maintenance procedures operating principles purpose of filtration system types of filter: cartridge filtration diatomaceous earth sand filtration water clarity problems, causes and remedies |