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Evidence Guide: NWPTRT055 - Operate chlorine dioxide processes

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

From the Wiki University

 

NWPTRT055 - Operate chlorine dioxide processes

What evidence can you provide to prove your understanding of each of the following citeria?

Plan and prepare for work

  1. Determine work requirements from standard operating procedures.
  2. Select and check equipment and tools required to meet safety requirements of task and site.
  3. Select, fit and use personal protective equipment.
Determine work requirements from standard operating procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Select and check equipment and tools required to meet safety requirements of task and site.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Select, fit and use personal protective equipment.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Monitor system performance

  1. Monitor chlorine dioxide processes.
  2. Collect process samples and conduct standard tests.
  3. Maintain and monitor relevant WHS requirements.
Monitor chlorine dioxide processes.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Collect process samples and conduct standard tests.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Maintain and monitor relevant WHS requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Prepare and apply chemical dosing

  1. Handle, use and store chemicals.
  2. Prepare chemical dosing.
  3. Maintain information relating to chemical supply and usage according to statutory requirements.
Handle, use and store chemicals.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Prepare chemical dosing.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Maintain information relating to chemical supply and usage according to statutory requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Complete documentation

  1. Collect and report process data.
  2. Review information and contribute to enterprise processes for continuous improvement and incident management.
Collect and report process data.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Review information and contribute to enterprise processes for continuous improvement and incident management.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Plan and prepare for work

  1. Determine work requirements from standard operating procedures.
  2. Select and check equipment and tools required to meet safety requirements of task and site.
  3. Select, fit and use personal protective equipment.
Determine work requirements from standard operating procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Select and check equipment and tools required to meet safety requirements of task and site.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Select, fit and use personal protective equipment.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Monitor system performance

  1. Monitor chlorine dioxide processes.
  2. Collect process samples and conduct standard tests.
  3. Maintain and monitor relevant WHS requirements.
Monitor chlorine dioxide processes.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Collect process samples and conduct standard tests.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Maintain and monitor relevant WHS requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Prepare and apply chemical dosing

  1. Handle, use and store chemicals.
  2. Prepare chemical dosing.
  3. Maintain information relating to chemical supply and usage according to statutory requirements.
Handle, use and store chemicals.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Prepare chemical dosing.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Maintain information relating to chemical supply and usage according to statutory requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Complete documentation

  1. Collect and report process data.
  2. Review information and contribute to enterprise processes for continuous improvement and incident management.
Collect and report process data.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Review information and contribute to enterprise processes for continuous improvement and incident management.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the range of conditions section.

1. Plan and prepare for work

1.1 Determine work requirements from standard operating procedures.

1.2 Select and check equipment and tools required to meet safety requirements of task and site.

1.3 Select, fit and use personal protective equipment.

2. Monitor system performance

2.1 Monitor chlorine dioxide processes.

2.2 Collect process samples and conduct standard tests.

2.3 Maintain and monitor relevant WHS requirements.

3. Prepare and apply chemical dosing

3.1 Handle, use and store chemicals.

3.2 Prepare chemical dosing.

3.3 Maintain information relating to chemical supply and usage according to statutory requirements.

4. Complete documentation

4.1 Collect and report process data.

4.2 Review information and contribute to enterprise processes for continuous improvement and incident management.

Required Skills and Knowledge

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the range of conditions section.

1. Plan and prepare for work

1.1 Determine work requirements from standard operating procedures.

1.2 Select and check equipment and tools required to meet safety requirements of task and site.

1.3 Select, fit and use personal protective equipment.

2. Monitor system performance

2.1 Monitor chlorine dioxide processes.

2.2 Collect process samples and conduct standard tests.

2.3 Maintain and monitor relevant WHS requirements.

3. Prepare and apply chemical dosing

3.1 Handle, use and store chemicals.

3.2 Prepare chemical dosing.

3.3 Maintain information relating to chemical supply and usage according to statutory requirements.

4. Complete documentation

4.1 Collect and report process data.

4.2 Review information and contribute to enterprise processes for continuous improvement and incident management.

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.

applying policies, regulatory standards and standard operating procedures

giving and receiving instructions

performing chlorine dioxide calculations

identifying control system faults and operational problems

identifying hazards

conducting microbiological and chlorine dioxide residual sampling

using literacy skills in regard to verbal and written communication in the workplace

interpreting material safety data sheets (SDS)

scheduling work

selecting and using appropriate tools and equipment, including personal protective equipment

monitoring chlorine dioxide disinfection processes

collecting process samples and performing standard tests

collecting and reporting process data, including at least one of:

pH

chlorine dioxide residuals

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

pH adjustment (lime, soda ash or caustic)

generation of chlorine dioxide (sodium chlorite, hydrochloric acid, sodium hypochlorite and/or liquefied chlorine)

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.

properties and chemistry of chlorine dioxide

pH

microbiological water quality guidelines

chlorine dioxide system layout

lockout procedures for mechanical and electrical installations

policies, standard operating procedures and legislation

communication systems

hazardous substances handling

risk factors and potential hazards associated with chlorine dioxide

work-related chlorine dioxide calculations

chlorine dioxide dosing processes

chlorine dioxide generation equipment operation, capacity and limitations

effects of weather and conditions on operation of site or plant

pumping and valving systems

automatic feed rate control systems

SDS

understanding of the risk management principles of ADWG and/or AGWR