communication skills to interact in an ethical manner with clients from diverse social, economic and cultural backgrounds decision-making and problem-solving skills that involve applying logical processes, basic principles, system knowledge and experience in conjunction with information in 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 dosing systems numeracy skills to perform calculations related to troubleshooting faults in swimming pool and spa dosing systems research skills to identify and locate technical information on swimming pool and spa dosing systems technology skills to use tools and equipment associated with installing, fault finding, repairing and commissioning swimming pool and spa dosing systems Required knowledge Australian Competition and Consumer Commission product safety guidelines bromine: hazards methods of providing hypobromous acid properties chlorine: hazards levels properties smell testing uses and effectiveness of unstabilised chorine chlorine chemistry: combined chlorine free chlorine hypochlorous acid chlorination: benefits levels techniques commonwealth, state or territory, and local government legislation and regulations, Australian standards, and codes of practice impacting on the installation, services and repair of swimming pool and spa dosing 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 electrical safety principles safe chemical-handling principles swimming pool and spa dosing system: basic operating principles common faults components electrically interlocking chemical feeder and pool pump systems: procedure purpose maintenance procedures operating principles purpose types, operation, installation, commissioning and servicing of dosing systems: chlorine gas feeders dosing control systems erosion feeders or flow-through chemical feed systems: pressure differential feeders pressure erosion dry chemical feeders pressure to vacuum feeders spray erosion dry chemical feeders gas feed systems ionisers liquid solution feeders ozone systems salt water pool chlorinators: brine method and in-line ultraviolet (UV) systems water testing: equipment parameters techniques test results |