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Elements and Performance Criteria

  1. Prepare to work with liquefied chlorine gas.
  2. Perform liquefied chlorine gas container changeover procedures.
  3. Implement emergency procedures.

Required Skills

This describes the essential skills and knowledge and their level required for this unit

Required skills

access interpret and apply relevant legislative and organisational requirements

access interpret and apply safety procedures

identify and report hazards

apply first aid procedures according to job requirements

select and use personal protective equipment

use tools and equipment

apply correct liquefied chlorine gas container procedures relating to

transport handling and storage

disconnection

connection

perform workrelated calculations

operate a vacuum chlorinator safely during disconnection and reconnection procedures

interpret material safety data sheets MSDS

work effectively as part of a team

complete records and logs

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

communicate effectively in the workplace

Required knowledge

personal protective equipment and its application

emergency equipment and its application

properties of liquefied chlorine gas

basic function and components of vacuum chlorinator systems

hazards of liquefied chlorine gas handling

relevant MSDS

procedures for liquefied chlorine gas container

transport handling and storage

disconnection

connection

maintenance procedures for personal protective equipment

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge the range statement and the Assessment Guidelines for the Training Package

Critical aspects for assessment and evidence required to demonstrate competency in this unit

The candidate should demonstrate the ability to changeover liquefied chlorine gas containers safely and correctly including

correctly selecting fitting and using PPE including airsupplied selfcontained breathing apparatus

implementing relevant Australian standards MSDS requirements and other legislative and organisational requirements as applicable

correctly transporting handling and storing liquefied chlorine gas containers

correctly disconnecting liquefied chlorine gas containers

correctly connecting liquefied chlorine gas containers

implementing emergency procedures relating to liquefied chlorine gas hazards

Context of and specific resources for assessment

Access to the workplace and resources including

documentation that should normally be available in a water industry organisation

relevant codes standards and government regulations

Where applicable physical resources should include equipment modified for people with disabilities

Access must be provided to appropriate learning and assessment support when required

Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed

Validity and sufficiency of evidence requires that

competency will need to be demonstrated over a period of time reflecting the scope of the role and the practical requirements of the workplace

where the assessment is part of a structured learning experience the evidence collected must relate to a number of performances assessed at different points in time and separated by further learning and practice

a decision of competence only taken at the point when the assessor has complete confidence in the persons competence over time and in various contexts

all assessment that is part of a structured learning experience must include a combination of direct indirect and supplementary evidence

where assessment is for the purpose of recognition RCCRPL the evidence provided will need to be authenticated and show that it represents competency demonstrated over a period of time

assessment can be through simulated projectbased activity and must include evidence relating to each of the elements in this unit

Questioning will be undertaken in a manner appropriate to the skill levels of the operator and cultural issues that may affect responses to the questions and will reflect the requirements of the competency and the work being performed


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts.

Procedures may include:

transport and handling of liquefied chlorine gas containers

liquefied chlorine gas container disconnection procedures

liquefied chlorine gas container connection procedures

storage of liquefied chlorine gas cylinders or drums.

Legislative and organisational requirements may include:

AS/NZS 2927 The storage and handling of liquefied chlorine gas

MSDS for liquefied chlorine gas

relevant federal and state or territory legislation and regulations

codes of practice, associated standards and guidance material

documented organisational policies, manuals and induction programs

relevant community planning and development agreements, such as land care agreements.

Tools and equipment may include:

wire brush

valve key.

First aid provisions may include:

cardiopulmonary resuscitation (CPR) instructions

safety shower

eyewash.

Appropriate personal protective equipment (PPE) may include:

protective clothing

safety footwear

chemical resistant gloves

air-supplied self-contained breathing apparatus.

Correct storage area may include:

indoor or shaded outdoor compound at treatment site or depot.

Disconnection procedures may include:

chlorinator shutdown and isolation

purging operations

leak testing.

Connection procedures may include:

component replacement

chlorinator start-up

leak testing

stand-by settings.

Emergency procedures may include:

raising alarm

contacting appropriate personnel

isolating liquefied chlorine gas containers

evacuation procedures.