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Elements and Performance Criteria

  1. Calculate water usage.
  2. Identify excessive water and energy usage.
  3. Evaluate measures to conserve water and energy.
  4. Report findings.

Required Skills

Required skills

Required skills for this unit are

accurately applying design principles relating to hydraulic systems design concepts measurements and calculations

applying and interpreting documentation from a wide range of sources including legislation standards drawings and specifications

communication skills to

communicate with others to ensure safe and effective work practices

confirm job specifications and client requirements

enable clear and direct communication using questioning to identify and confirm requirements share information listen and understand

read and interpret

plans specifications drawings and design briefs

standards and manufacturer requirements and manuals

statutory and regulatory requirements

use language and concepts appropriate to cultural differences

use and interpret nonverbal communication such as hand signals

written skills to prepare a water and energy audit report

complying with OHS and organisational quality procedures and processes

innovation skills to develop creative and responsive approaches to conserving water and energy

numeracy skills to apply measurements and calculations

planning and organisational skills to

research collect organise and understand information relating to water use

take initiative and make decisions

problem solving skills to

analyse requirements

carry out tests

consider options

recommend appropriate water and energy saving measures

teamwork skills to work with others to action tasks and relate to people from a range of cultural and ethnic backgrounds and with varying physical and mental abilities

Required knowledge

Required knowledge for this unit is

hazards associated with devices and systems used in the hydraulic sector

installation methods used in hydraulic systems

nature of materials and effect of their performance in a variety of conditions

preparation and interpretation of work drawings and specifications

requirements of state regulatory authorities Australian and New Zealand standards manufacturer specifications Building Code of Australia BCA and other applicable codes or standard operating procedures relevant to the sector

terminology and definitions used in hydraulic design

variety of applications of technology principles in design of water and energyefficient usage systems for all classes of building

Evidence Required

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

Overview of assessment

This unit of competency could be assessed in the workplace or a close simulation of the workplace environment providing that simulated or projectbased assessment techniques fully replicate plumbing and services workplace conditions materials activities responsibilities and procedures

It could be assessed on its own or as part of an integrated assessment activity involving audit of water and energy use in at least two different types of building and the preparation of comprehensive reports

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

A person who demonstrates competency in this unit must be able to provide evidence of

conducting a water audit

conducting pressure and flow measurements

interpreting and applying statutory and local government requirements for the use of water and energy

reporting water wasting practices and processes including leaks

specifying sensors and automatic systems for a range of applications

recommending recycling and reuse processes

preparing a water and energy audit report

conducting a costbenefit analysis including investment return period

identifying and reporting on environmental benefits and water and energy savings

Context of and specific resources for assessment

This competency is to be assessed using standard and authorised work practices safety requirements and environmental constraints

Assessment of essential underpinning knowledge will usually be conducted in an offsite context

Assessment is to comply with relevant regulatory or Australian standards requirements

Resource implications for assessment include

an induction procedure and requirement

realistic tasks or simulated tasks covering the minimum task requirements

relevant specifications and work instructions including design brief drawings specifications codes design concepts and construction schedules

tools and equipment appropriate to applying safe work practices including computers software and calculators

workplace instructions relating to safe working practices and addressing hazards and emergencies

material safety data sheets

research resources including industry related systems information

Reasonable adjustments for people with disabilities must be made to assessment processes where required This could include access to modified equipment and other physical resources and the provision of appropriate assessment support

Method of assessment

Assessment methods must

satisfy the endorsed Assessment Guidelines of the Construction Plumbing and Services Training Package

include direct observation of tasks in real or simulated work conditions with questioning to confirm the ability to consistently identify and correctly interpret the essential underpinning knowledge required for practical application

reinforce the integration of employability skills with workplace tasks and job roles

confirm that competency is verified and able to be transferred to other circumstances and environments

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 with a decision on competency only taken at the point when the assessor has complete confidence in the persons demonstrated ability and applied knowledge

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

Assessment processes and techniques should as far as is practical take into account the language literacy and numeracy capacity of the candidate in relation to the competency being assessed

Supplementary evidence of competency may be obtained from relevant authenticated documentation from third parties such as existing supervisors team leaders or specialist training staff


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. 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) may also be included.

Scope of work includes:

compiling reports

identifying:

alternative procedures, practices and products that reduce water and energy consumption

wasted water

water-saving initiatives

producing a cost-benefit analysis.

Client requirements include:

compliance with regulatory requirements

more efficient use of water resources

reduction in water and energy costs

reserve capacity.

Types of meter and flow measuring devices include:

applications, which may include:

domestic supply

irrigation

mechanical

sanitation

trade waste

direct

electronic

hand-held

indirect

in-line

mechanical.

Flow and pressure tests include:

interpretation of flow and pressure tests conducted by a contractor

on-site measurement of flow (l and s), velocity (m and s) and pressure (kPa).

Statutory and local government regulatory requirements include:

Acts and regulations

BCA

state and local government policies.

Manufacturer requirements include:

material specifications

pump tables

sizing tables

technical and trade manuals.

Desktop study includes:

research and evaluation of water-saving products, processes and procedures currently available.

Performance requirements include:

flow, velocity, pressure and discharge requirements, established using Australian and New Zealand standards, local authority plans and BCA.

Leak identification processes include:

electronic leak detection

listening devices

metering

pipe inspection cameras.

Sensors include:

energy

entry and exit

heat

high and low level

moisture

motion.

Automatic systems include:

electronic and mechanical timer

pressure-activated

sprinkler

sun-tracking

use-activated

wind-activated.

Alternative processes and practices include:

processes such as wash-down processes and order of operation

alternatives may include:

change in materials used in a process

change in timing of a process

discontinuation of a process

modification of a process

practices include:

running dishwashers and washing machines with full loads

testing pipe systems with air instead of water

washing teeth with the tap off

watering before sunrise and after sunset.

Alternative fixtures and fittings include:

continuous-flow gas water heaters

heat-pump heated water systems

irrigation systems

low-energy and water-use appliances, include:

air conditioners

cisterns

cooling towers

dishwashers

freezers

low volume toilet flushing systems

refrigerators

tapware

urinals

washing machines

low-flow shower roses

outlet-flow control devices

solar heated water systems.

Rainwater harvesting includes:

collection, storage and distribution of rainwater, including the use of tanks and dams.

Recycling and re-use processes include:

recycling water from washing down floors

re-use of rinse water from washing processes

grey water re-use options.

Cost-benefit analysis includes:

comparison of installation and set-up costs and cost recovery period with environmental water and energy savings.

Water and energy audit report is a comprehensive report written to industry standards that includes:

methodology

results

analysis

conclusions

recommendations.