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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. Plan and prepare for work
   • Determine work requirements from job specifications and plans.
   • Select and check equipment required to meet safety requirements of task and site.
   • Select, fit and use personal protective equipment.
2. Operate and control process
   • Carry out routine inspection on assets.
   • Collect process samples.
   • Carry out routine tests when required.
   • Identify and report process faults and operational condition of assets.
   • Carry out basic process adjustments to enhance process performance.
   • Monitor process to maintain parameters of operation.
3. Report on process
   • Collect, interpret, record and complete process data.
   • Identify data that falls outside normal parameters and report for further action.
4. Plan and prepare for work
   • Determine work requirements from job specifications and plans.
   • Select and check equipment required to meet safety requirements of task and site.
   • Select, fit and use personal protective equipment.
5. Operate and control process
   • Carry out routine inspection on assets.
   • Collect process samples.
   • Carry out routine tests when required.
   • Identify and report process faults and operational condition of assets.
   • Carry out basic process adjustments to enhance process performance.
   • Monitor process to maintain parameters of operation.
6. Report on process
   • Collect, interpret, record and complete process data.
   • Identify data that falls outside normal parameters and report for further action.

Range Statement

Processes include:

oxidation manganese coated filters sequestering ion exchange

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Performance Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. The candidate must be assessed in at least one of the processes listed in the Range of Conditions. If not otherwise specified the candidate must demonstrate evidence of performance of the following on least one occasion.

identifying and reporting faults

completing logs

preparing and applying chemical dosing

monitoring test results and processes

conducting routine process inspections

taking samples and performing basic tests including at least either jar testing or iron and manganese analyses

applying basic process formulae including at least either chemical dosage or detention time

making basic process adjustments according to instructions including at least one of:

dosage

flow rate

detention time

pH

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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.

chemical forms and occurrence of iron and manganese

impact of stratification in reservoirs

problems associated with iron and manganese in drinking water systems

chemistry of common oxidation removal processes including aeration, chlorination, potassium permanganate

manganese coated filtration removal processes including greensand

ion exchange removal processes

sequestering with polyphosphates

chemical dosing processes

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