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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Monitor chloramination process performance
   • Conduct and analyse process tests and compare performance to plant operational requirements.
   • Collect samples and test chlorine residuals.
   • Identify and report process faults and the operational condition of plant.
2. Prepare and apply chloramination chemical dosing
   • Use, handle and store chemicals.
   • Prepare chemical dosing according to system specifications and organisational requirements.
   • Maintain information related to chlorine and ammonia supply and usage.
3. Operate and control chloramination processes
   • Carry out routine plant inspections.
   • Make adjustments to dosing to optimise system performance.
4. Complete documentation
   • Collect and record process data.
   • Report observations outside defined parameters for further action.
5. Monitor chloramination process performance
   • Conduct and analyse process tests and compare performance to plant operational requirements.
   • Collect samples and test chlorine residuals.
   • Identify and report process faults and the operational condition of plant.
6. Prepare and apply chloramination chemical dosing
   • Use, handle and store chemicals.
   • Prepare chemical dosing according to system specifications and organisational requirements.
   • Maintain information related to chlorine and ammonia supply and usage.
7. Operate and control chloramination processes
   • Carry out routine plant inspections.
   • Make adjustments to dosing to optimise system performance.
8. Complete documentation
   • Collect and record process data.
   • Report observations outside defined parameters for further action.

Performance Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. If not otherwise specified the candidate must demonstrate evidence of performance of the following on at least one occasion.

operating control and chemical dosing equipment

performing chloramination process calculations including at least one of:

chlorine and ammonia dose rate

chlorine to ammonia ratio

dichloramine concentration

collecting samples and conducting tests including at least one of:

total chlorine

free chlorine

monochloramine

ammonia and hypochlorite strength

pH

analysing tests

identifying and reporting process and operational faults

monitoring chloramination systems

making appropriate system adjustments including at least one of:

flow rate

chlorine feed rate

ammonia feed rate

chlorine to ammonia ratio

calibration of chemical dosing equipment

preparing and applying chloramination chemical dosing, including at least one of:

liquefied chlorine gas

sodium hypochlorite

anhydrous ammonia

aqua ammonia

pH correcting chemicals including lime soda ash

sodium hydroxide

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Knowledge Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. If not otherwise specified the depth of knowledge demonstrated must be appropriate to the job context of the candidate.

microbiological aspects of water quality

chloramination process theory

chlorine and ammonia dosing equipment

operational problems including nitrification

lockout procedures for mechanical and electrical installations

risk factors and potential hazards associated with chloramination processes

equipment operation, capacity and limitations

control and communications systems

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