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.

1.

Plan and organise the assessment of household water use.

1.1.

Need for assessment of household water use is clarified with client.

1.2.

Effective communication strategies are used to assist in establishing rapport with client and in responding to client questions and concerns.

1.3.

Potential hazards are identified to ensure risks are suitably managed.

1.4.

Assessment is planned ensuring that health and safety of self and others are not compromised.

1.5.

Assessment documentation is prepared.

1.6.

Tools, equipment and other requirements for the assessment are identified and arrangements are made to ensure their availability on day of assessment.

1.7.

Owner or occupier status of client is determined.

1.8.

Client is advised of information that should be obtained prior to assessment and details of assessment are confirmed.

1.9.

Authority to proceed is obtained from client prior to commencement and reconfirmed as appropriate during the assessment.

2.

Gather data on household water use and costs.

2.1.

Information to be gathered on household water use and costs is confirmed.

2.2.

Information on household water use and costs is collated.

2.3.

Information on internal water services is gathered from resident and from measurements and observations made during inspection of residence.

2.4.

Information on external water services is gathered from resident and from measurements and observations made during inspection of residence.

2.5.

Information on behaviour and preferences of household members that impact on water use is gathered from resident and from observations made during inspection of residence.

2.6.

Information is verified for accuracy and recorded using a relevant data collection tool.

3.

Analyse data on household water use, costs and emissions.

3.1.

Information is analysed to identify key characteristics of household water use, costs and emissions.

3.2.

Government rebates and other assistance programs relating to improving efficiency of household water use are identified.

3.3.

Options for improving efficiency of water use and reducing costs and emissions are evaluated.

3.4.

Cost of options for improving household water efficiency is estimated.

3.5.

Estimated water, emissions and cost savings generated from improving household water efficiency are estimated.

4.

Assess opportunities for rainwater harvesting, greywater use and other water conservation measures on the property.

4.1.

Sources of technical advice on incorporating rainwater harvesting, greywater technologies and other water conservation measures in residential buildings are identified.

4.2.

Advantages and disadvantages of rainwater harvesting, greywater technologies and other water conservation measures are identified.

4.3.

Rainwater harvesting, greywater technologies and other water conservation measures suitable for use in residential buildings are identified.

4.4.

Government rebates and other assistance programs for incorporating rainwater harvesting, greywater technologies and other water conservation measures in residential buildings are identified.

4.5.

Opportunities for rainwater harvesting, greywater technologies and other water conservation measures are evaluated.

4.6.

Estimates of cost of installing rainwater harvesting, greywater technologies and other water conservation measures are produced and associated impact on household water efficiency and costs is determined in line with organisational procedures.

5.

Report outcomes of water use assessment.

5.1.

Results and recommendations, along with supporting evidence, are collated and documented.

5.2.

Estimated cost of proposed recommendations, associated reductions in household water costs and emissions, and improvements in household water efficiency are documented.

5.3.

Results and recommendations, including estimated costs and improvements in household water efficiency, are explained to client.

This section describes the language, literacy, numeracy and employment skills essential to performance in this unit but not explicit in the performance criteria.

Skill

Performance feature

Learning skills to:

maintain up-to-date knowledge of options for improving efficiency of water use in residential buildings.

Numeracy skills to:

extract and interpret data from water accounts and interpret water plans and tariff structures

read, calculate and interpret water meter data.

Oral communication skills to:

ask questions to clarify customer requirements.

Reading skills to:

identify and interpret documents, reports and information on key matters associated with water use, such as:

rating of appliances

water consumption of appliances

use of rainwater harvesting, greywater technologies and other water conservation measures.

Technology skills to:

enter data and use the functions of water use calculators and general purpose software packages.

Writing skills to:

complete standards forms

prepare routine reports on household water use.

Self-management skills to:

interact with clients from diverse social, economic and cultural backgrounds.

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Need for assessmentmust include at least one of the following:

determining water use profile, identifying opportunities for reducing water use and improving water efficiency

legislative, regulatory and compliance purposes

providing building design advice.

Information on internal water services must include:

characteristics of internal water services

number and type of internal water services.

Information on external water servicesmust include:

characteristics of external water services

number and type of external water services

rainwater harvesting

water recycling options.

Information on behaviour and preferences must include at least three the following:

attitudes of other household members not participating in the assessment process

attitudes to reducing, re-using and recycling water

resident perception of water consumption

gardening practices

factors that may impact on inefficient water use:

car washing

medical conditions of household

setting, programming and using timers and other controls

showering times

use of appliances

use of evaporative cooling systems

use of hot water

use of swimming pools and spas.

washing of external surfaces.

Data collection toolmust include at least one of the following:

checklist and form

calculator

graph

measuring tool

questionnaire

software program.