3. introduction (2-3 pages) what is a spa? what types of water equipment is used by a spa? why water recycling is important in australia how much water does the average spa treatment use? (look this up at the hydro-co web link below http://www.hydroco.com/products/hydrotherapy/tubs/hydrotonel.asp ) - click on the plumbing guideline pdf documents and you will find more information). 4. properties of water (2 pages) 5 benefits of water (2pages) effects on various body systems such as the respiratory, cardiovascular, nervous, endocrine, skeletal and muscular systems. 6 water source – e.g. ground water / surface water (1 page) groundwater - where located, aquifer, springs, oasis, wetlands, extraction wells surface water (define) – stream, river, lake, sea 7 disinfection & amp; chemicals (2 pages) • why water hygiene is important? • micro-organisms found in spa pools – e.g. hep a, legionella, e-coli, cryptosporidium parvum etc • disinfection practice / means of disinfection e.g. chlorine, bromine, ozone, ultraviolet, light-hydrogen peroxide etc 8 recycling equipment (3 pages including graphics – this is the most important section) • filtration systems • circulation pumps • heaters, pipe work and valves. 9 spa health and safety (2 pages) 10 spa pool operations (3 pages) • keeping a balance - alkalinity ph • water testing • filter • pool cover • routine cleaning • spa water replacement • backwash water discharge • common spa pool problems • precautions when handling chemicals • precautions for storing chemicals • warning notice • government regulations / local and national government laws and regulations.(http://www.health.nsw.gov.au/public- health/ehb/general/pools/publicpools.html) The Public Health (Swimming Pools and Spa Pools) Regulation 2000 contain the legislation which controls the public health risk associated with public swimming and spa pools. 11. Conclusion (minimum 3 paragraphs) 12. Bibliography / References (1-2 page) MINIMUM OF 15 SOURCES ARE TO BE LISTED IN THE BIBLIOGRAPHY