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 dosing systems literacy skills to read and interpret work instructions numeracy skills to interpret mathematical and graphical information related to swimming pool and spa dosing systems research skills to locate manufacturer’s and other information on components of swimming pool and spa dosing systems technology skills to use tools and equipment required to carry out routine maintenance on swimming pool and spa dosing systems Required knowledge Australian Competition and Consumer Commission product safety guidelines chlorine chemistry: hazards production role in sanitisation types of chlorine 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: electrical regulations controlling conduct of electrical work environmental health private and public swimming pools and spas work health and safety dosing: chemicals hazards purpose procedures electrical safety principles safe chemical-handling principles swimming pool and spa dosing systems: common faults components electrically interlocking chemical feeder and pool pump systems: procedure purpose maintenance operating principles of dosing systems purpose of dosing systems types, operating principles and servicing of dosing systems: dosing control systems erosion feeders or flow-through chemical feed systems: pressure differential feeders, pressure erosion dry chemical feeders, pressure to vacuum feeders, and spray erosion dry chemical feeders gas feed systems, excluding chlorine gas systems: carbon dioxide and ozone ionisers liquid solution feeds salt water pool chlorinators: brine method and in-line ultraviolet (UV) systems water testing: parameters techniques test results |