Domain - Drinking-Water

Domain - Drinking-Water

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Assessment Standards

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Level 3

Describe drinking-water microbiology of Public Health and drinking-water supplies
This standard has expired and is no longer available.

Version 4 This unit standard has been replaced by unit standard 24906.

18460 Unit Standard 4 Credits

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People credited with this unit standard are able to describe: the purpose and history of drinking-water supply systems; pathogenic micro-organisms; common water borne diseases; the use of indicator organisms for water quality and for water-supply performance monitoring; the principles of epidemiology; the chemistry of drinking-water supplies and the chemicals of public health significance that may be found in drinking water supplies; and public health toxicological principles as they apply to drinking-water.

Standard-setting body:

Primary Industry Training Organisation - Water Primary Industry Training Organisation

Level 4

Demonstrate knowledge of, and evaluate, a small drinking-water supply
This standard has expired and is no longer available.

Version 2 This unit standard was replaced by unit standard 29965.

22873 Unit Standard 6 Credits

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People credited with this unit standard are able to, for a small drinking-water supply, demonstrate knowledge of: the factors affecting the quality and quantity of water available from water sources and catchments; water treatment processes; the components used for drinking-water reticulation from storage to taps; monitoring and recording procedures to determine the safety and quality of drinking-water; and evaluate a small drinking-water supply for improvements.

Standard-setting body:

Connexis Infrastructure ITO

Demonstrate knowledge of, and develop, a PHRMP for a small drinking-water supply
This standard has expired and is no longer available.

Version 2 This unit standard was replaced by unit standard 29996.

22874 Unit Standard 6 Credits

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People credited with this unit standard are able to: demonstrate knowledge of risk, and the intention of Public Health Risk Management Plans (PHRMPs) for a small drinking-water supply; and develop a PHRMP for a specified small drinking-water supply.

Standard-setting body:

Connexis Infrastructure ITO

Level 5

Demonstrate knowledge of legislation relating to drinking-water and drinking-water suppliers
This standard has expired and is no longer available.

Version 4 This unit standard and unit standard 18445 have been replaced by unit standard 24896.

18438 Unit Standard 4 Credits

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People credited with this unit standard are able to: demonstrate knowledge of legislation, by-laws, standards, and codes or practice relating to drinking-water and drinking-water suppliers; and analyse legislation for criteria relevant to specified drinking-water situations.

Standard-setting body:

Primary Industry Training Organisation - Water Primary Industry Training Organisation

Describe the contribution of catchment characteristics to raw water quality management
This standard has expired and is no longer available.

Version 4 This unit standard has been replaced by unit standard 24897 and unit standard 24898.

18448 Unit Standard 10 Credits

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People credited with this unit standard are able to: demonstrate knowledge of the environmental factors affecting surface water sources; demonstrate knowledge of environmental factors and hydraulics of groundwater sources and their influence on the suitability of groundwater as a source for drinking-water supply; carry out sanitary survey of a drinking-water surface water catchment and groundwater recharge zone; demonstrate knowledge of abstraction and pre-treatment processes for surface water sources of potable water; demonstrate knowledge of pre-treatment processes for groundwater sources of potable water; describe processes affecting water quality and management techniques for raw water reservoirs; identify critical points of processes, and identify hazards, preventive actions, and corrective actions in raw water abstraction processes and management techniques.

Standard-setting body:

Primary Industry Training Organisation - Water Primary Industry Training Organisation

Describe the management of the separation process of water and solids
This standard has expired and is no longer available.

Version 4 This unit standard and unit standard 19348 were replaced by unit standard 29970.

18449 Unit Standard 4 Credits

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People credited with this unit standard are able to describe: the purpose and effectiveness of separation processes used in water treatment; gravity settlers, and ways of optimising the performance of gravity settlers used in water treatment; buoyant media clarifiers, and air-based flotation systems; and identify critical points, hazards, preventive actions, and corrective actions of processes and systems.

Standard-setting body:

Connexis Infrastructure ITO

Describe the management of coagulation and flocculation processes
This standard has expired and is no longer available.

Version 4 This unit standard and unit standard 19349 have been replaced by unit standard 29971.

18450 Unit Standard 6 Credits

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People credited with this unit standard are able to describe: the optimising of the process of coagulation as used in water treatment; the links between coagulation and flocculation and optimising the process of flocculation as used in water treatment; and the identification of critical points, hazards, preventive actions, and corrective actions of coagulation and flocculation processes.

Standard-setting body:

Connexis Infrastructure ITO

Describe the management of pH, alkalinity, hardness, and corrosion control
This standard has expired and is no longer available.

Version 4 This unit standard and unit standard 19356 were replaced by unit standard 29979.

18451 Unit Standard 5 Credits

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People credited with this unit standard are able to: describe the factors that influence the pH, alkalinity, and hardness of drinking-water undergoing water treatment; describe the processes used in drinking-water treatment to control pH; describe the causes and treatment options for hardness in drinking-water; describe the chemistry and parameters of corrosion and plumbosolvency in water treatment; and identify critical points, hazards, preventive actions, and corrective actions of the pH and alkalinity adjustment process.

Standard-setting body:

Connexis Infrastructure ITO

Describe drinking-water treatment filtration processes, and management of critical points
This standard has expired and is no longer available.

Version 4 This unit standard has been replaced by unit standard 24899.

18452 Unit Standard 6 Credits

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People credited with this unit standard are able to demonstrate knowledge of: the purpose and principles of filtration as it is applied in drinking-water treatment; rapid sand filters, and optimising the operation and performance of rapid sand filters; membrane filters, and optimising the operation and performance of membrane filters; optimising Ion Exchange and Diatomaceous Earth filters; critical points of processes, and identify hazards, preventive actions, and corrective actions; and other filtration methods.

Standard-setting body:

Primary Industry Training Organisation - Water Primary Industry Training Organisation

Describe drinking-water treatment disinfection processes, and management of critical points
This standard has expired and is no longer available.

Version 4 This unit standard has been replaced by unit standard 24900, unit standard 24901, and unit standard 24902.

18453 Unit Standard 8 Credits

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People credited with this unit standard are able to demonstrate knowledge of: the purpose of disinfection in drinking-water treatment; chlorine compounds and their use for disinfection of water; ozonation processes in the water treatment industry; ultra-violet disinfection processes in the water treatment industry; chlorine dioxide and its use for disinfection of water; and to identify critical points of processes, and identify hazards, preventive actions, and corrective actions.

Standard-setting body:

Primary Industry Training Organisation - Water Primary Industry Training Organisation

Describe water treatment waste management processes, and management of critical points
This standard has expired and is no longer available.

Version 4 This unit standard has been replaced by unit standard 24903.

18454 Unit Standard 2 Credits

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People credited with this unit standard are able to: describe procedures to optimise the volumes and qualities of waste water streams from water treatment operations; describe waste water recycling and minimisation processes used to reduce losses in water treatment; identify critical points of drinking-water waste management processes, and identify hazards, preventive actions, and corrective actions; and describe waste handling processes used in the water treatment industry to manage the solid wastes generated.

Standard-setting body:

Primary Industry Training Organisation - Water Primary Industry Training Organisation

Describe process control in a water treatment plant, and management of critical points
This standard has expired and is no longer available.

Version 4

18455 Unit Standard 3 Credits

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People credited with this unit standard are able to describe: drinking-water process control methods and their suitability for different processes; the purpose and principles of automated process control in water plants; process monitoring and alarms in water treatment plants; and to identify critical points of automated process control equipment, and identify hazards, preventive actions, and corrective actions.

Standard-setting body:

Primary Industry Training Organisation - Water Primary Industry Training Organisation

Describe abstraction and pre-treatment processes for potable water
This standard has expired and is no longer available.

Version 2 This unit standard and unit standard 19347 were replaced by unit standard 29967.

24898 Unit Standard 8 Credits

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People credited with this unit standard are able to describe: abstraction and pre-treatment processes for surface water sources of potable water; abstraction and pre-treatment processes for groundwater sources of potable water; and processes affecting water quality, and management techniques for raw water reservoirs; and identify critical points, hazards, preventive actions, and corrective actions of processes and management points.

Standard-setting body:

Connexis Infrastructure ITO

Describe the management of drinking-water treatment filtration processes
This standard has expired and is no longer available.

Version 2

24899 Unit Standard 10 Credits

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People credited with this unit standard are able to describe: sand filtration processes; mechanical filtration processes; membrane filtration processes; and diatomaceous earth filtration processes; and identify critical points, hazards, preventive actions, and corrective actions of treatment filtration processes.

Standard-setting body:

Connexis Infrastructure ITO

Describe the management of chlorine and chlorine dioxide disinfection processes
This standard has expired and is no longer available.

Version 2 This unit standard and unit standard 24970 were replaced by unit standard 29969.

24900 Unit Standard 8 Credits

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People credited with this unit standard are able to describe for chlorine and chlorine dioxide disinfection processes: mechanisms, variables which determine their effectiveness, design features, the equipment used, methods of application, safety considerations, and operating issues; and identify critical points, hazards, preventive actions, and corrective actions of chlorine and chlorine dioxide disinfection processes.

Standard-setting body:

Connexis Infrastructure ITO

Describe the management of ozone disinfection processes
This standard has expired and is no longer available.

Version 2 This unit standard and unit standard 24971 were replaced by unit standard 29978.

24901 Unit Standard 5 Credits

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People credited with this unit standard are able to describe: ozone disinfection, variables which determine effectiveness, design features; the methods of on-site generation of ozone, monitoring equipment, and safety considerations; operating issues associated with ozone disinfection; and identify critical points, hazards, preventive actions, and corrective actions of ozone disinfection processes.

Standard-setting body:

Connexis Infrastructure ITO

Describe the management of ultraviolet (UV) disinfection processes
This standard has expired and is no longer available.

Version 2 This unit standard and unit standard 24972 were replaced by unit standard 29968.

24902 Unit Standard 5 Credits

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People credited with this unit standard are able to describe: UV disinfection processes, variables which determine their effectiveness, and design features; methods of UV generation, monitoring equipment, safety considerations; and operating issues associated with UV disinfection; and identify critical points, hazards, preventive actions, and corrective actions of UV disinfection processes.

Standard-setting body:

Connexis Infrastructure ITO

Describe the management of water treatment plant waste management processes
This standard has expired and is no longer available.

Version 2 This unit standard and unit standard 24973 were replaced by unit standard 29980.

24903 Unit Standard 8 Credits

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People credited with this unit standard are able to describe: the sources of wastes in a water treatment plant; processes for managing wastes; and the operational issues associated with waste management and disposal; and identify critical points, hazards, preventive actions, and corrective actions of drinking-water waste management processes.

Standard-setting body:

Connexis Infrastructure ITO

Level 6

Assess a water treatment plant for optimal output
This standard has expired and is no longer available.

Version 4 This unit standard has been replaced by unit standard 24905.

18457 Unit Standard 12 Credits

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People credited with this unit standard are able to: assess the raw water source of a drinking-water treatment plant; assess plant tuning in a drinking-water treatment plant; describe how the unit processes in the plant interact, and how to optimise plant output; describe the overall operation of a drinking-water treatment plant; describe emergency situations and process failure conditions in a drinking-water treatment plant; demonstrate knowledge of critical points of drinking-water treatment plant operation that may affect continuous operation, and identify hazards, preventive actions, and corrective actions.

Standard-setting body:

Primary Industry Training Organisation - Water Primary Industry Training Organisation

Data as at 21 May 2022