Elements and Performance Criteria

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 if the candidate, accessibility of the item, and local industry and regional contexts.
Wastewater collection systems may include:
gravity pipe systems
pressure pipe systems
pump stations and pumping systems
odour control systems
gully traps, manholes and valve pits
overflow storage and treatment systems
stormwater infiltration control systems
trade waste and domestic connections and drains
Historic system information may include:
previous studies
impact of weather
relevant hydrological information
system models
Legislative requirements may include:
relevant federal legislation
relevant state or territory legislation
relevant local government by-laws
trade waste policies
relevant government and quasi government authorities' rules (e.g. Great Barrier Reef Marine Park Authority, Environment Protection Authority)
Monitoring and testing may include:
physical analysis of water:
pH
conductivity
colour
turbidity
chemical analysis of water:
chlorine
alkalinity
chemical oxygen demand
heavy metals
sulphides
microbiological analyses:
coliforms
plate counts
physical measures:
power
chemicals
water flows
sludge volumes
mechanical testing:
vibration
noise
temperature
fauna and flora surveys
gas detection and testing
odour testing
stakeholder surveys
Stakeholders may include:
conservation groups
community action groups
general community
industry groups and companies
catchment users
government (all levels)
quasi government organisations
treatment plant operator enterprises
chemical suppliers
consultants
equipment suppliers

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 implement and manage the plans for wastewater collection networks and systems including:
gathering, interpreting and synthesising information (including historical data, current legislation and standards, stakeholder views and the results of wastewater testing and monitoring) to underpin the implementation of the wastewater collection management plan
planning and implementing testing processes and programs
monitoring and evaluating the outcomes of the wastewater collection management plan
providing advice and communicating with stakeholders and users
preparing reports and recommendations for future action
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/or 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 should only be made when the assessor has complete confidence in the person's 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 (RCC/RPL), 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 project-based activity and must include evidence relating to each of the elements in this unit
In all cases where practical assessment is used it will be combined with targeted questioning to assess the underpinning knowledge. Questioning will be undertaken in a manner appropriate to the skill levels of the operator, any cultural issues that may affect responses to the questions, and reflecting the requirements of the competency and the work being performed.