communication skills to interact in an ethical manner with clients from diverse social, economic and cultural backgrounds decision-making and problem-solving skills to identify faults in swimming pool and spa circulation and filtration systems literacy skills to read and interpret work instructions numeracy skills to read gauges and perform calculations, such as turnover rate, filter media rate and flow rate related to swimming pool and spa circulation and filtration systems research skills to locate manufacturer’s and other information on components and operation of swimming pool and spa circulation and filtration systems technology skills to use tools and equipment required to carry out routine maintenance on swimming pool and spa circulation and filtration systems Required knowledge Australian Competition and Consumer Commission product safety guidelines commonwealth, state or territory, and local government legislation and regulations, Australian standards, and codes of practice impacting on the routine maintenance of swimming pool and spa circulation and filtration systems 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 backwashing: flow operation period 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 control systems dosing systems gauges used to determine circulation performance motors piping pressure side elements suction side elements valves water meters used to determine circulation performance design direct suction flow rate: calculation purpose hydraulics maintenance procedures operating principles overflow testing, i.e. dye testing purpose of circulation system surface water removal system types total dynamic head: calculation purpose turnover rate: calculation purpose 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 pre-filter sand filtration water clarity problems, causes and remedies |