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NWPTRT009 — Operate and control coagulation and flocculation processes

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What an assessment for NWPTRT009 must cover

35 assessable components: 5 elements (13 performance criteria), 10 performance evidence and 12 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare for work

  • 1.1Determine work requirements from job specifications and plans
  • 1.2Select and check equipment to meet safety requirements of task and worksite
  • 1.3Select, fit and use required safety equipment, including personal protective equipment (PPE)

2 Control chemical use

  • 2.1Handle and store chemicals according to workplace procedures
  • 2.2Maintain chemical supply and usage records according to workplace procedures

3 Monitor coagulation and flocculation processes

  • 3.1Conduct routine inspections according to workplace procedures
  • 3.2Identify and report process faults to relevant personnel
  • 3.3Collect process samples according to workplace procedures

4 Operate and control coagulation and flocculation processes

  • 4.1Conduct jar tests and determine optimum chemical dosages
  • 4.2Perform process calculations and adjust chemical dosing according to jar test results
  • 4.3Collect and test samples to confirm dosage adjustments

5 Complete documentation

  • 5.1Collect, interpret and record process data according to workplace procedures and process requirements
  • 5.2Identify data outside of normal operational parameters and report to relevant personnel for further action

Performance evidence

  • applying optimised jar test results to the process
  • completing required documentation including at least one of the following: process set point changes, routine maintenance reports, routine plant inspection and safety checks, water quality and safety incident reports, water quality sampling and test results
  • conducting routine plant inspections
  • identifying and reporting system faults
  • making system adjustments including at least one of the following: coagulant or flocculant dosing, pH correction
  • preparing and applying chemical dosing
  • preparing jar test solutions and solutions strengths
  • producing reports
  • performing process calculations for at least one of the following: dry and liquid chemical feed rates, jar test dosages, mixing intensity, preparation of dosing solutions
  • taking samples, performing a jar test and at least two of the following: alkalinity, true colour, dosage feed rate review and checks, drop tests, flocculation growth and size, flocculation time, mixing energy, mixing time, pH, residual aluminium or iron, turbidity

Knowledge evidence

  • chemical dosing procedures
  • chemical handling and storage procedures
  • chemicals including: coagulants, flocculants, pH correction
  • coagulation and flocculation control systems
  • effects of weather and conditions on operation of site or plant
  • features and components of coagulation and flocculation systems including mixing
  • jar testing principles
  • plant layout
  • principles of coagulation and flocculation processes
  • safety data sheets
  • relevant legislation, regulations and workplace procedures
  • risk factors and controls for potential hazards related to coagulation and flocculation systems

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing NWPTRT009

What does an assessment tool for NWPTRT009 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for NWPTRT009 needs to address all 35 unit components: 5 elements with 13 performance criteria, 10 performance evidence requirements, 12 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for NWPTRT009?

Auditori pulls the current release of NWPTRT009 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for NWPTRT009 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing NWPTRT009 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of NWPTRT009, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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