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

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

The evidence required to demonstrate competency in this Unit must be relevant to workplace operations and satisfy holistically all of the requirements of the performance criteria and required skills and knowledge and include achievement of the following:

establish the requirements of the system

implement operational procedures for the project

establish and organise resources

supervise on-site construction

commission the system.

Context of and specific resources for assessment

Competency requires the application of work practices under work conditions. Selection and use of resources for some worksites may differ due to the regional or enterprise circumstances.

Required skills include:

Ability to:

interpret irrigation designs

develop operational procedures

implement employment procedures

conduct OHS risk assessment

supervising installation tasks:

set out and prepare site

lay out and mark lateral location

inserting submains and flushing manifold

inserting risers and emitters

install irrigation components

complete installation work and test components

checking and cleaning backwash filter

start-up procedures

checking and cleaning backwash filter

operating specifications for pressures and flow rates

setting up irrigation controllers

use literacy skills to read, interpret and follow organisational policies and procedures, develop sequenced written instructions, record accurately and legibly information collected and select and apply procedures to a range of tasks

use oral communication skills/language competence to fulfil the job role as specified by the organisation including questioning, active listening, asking for clarification, negotiating solutions and responding to a wide range of views

use interpersonal skills to work with others and relate to people from a range of cultural, social and religious backgrounds and with a range of physical and mental abilities.

Required knowledge includes:

Knowledge of:

characteristics and operation of joints, valves and sprinkler components

water quality and water filtration techniques

calculations for installing low volume irrigation systems

behaviour of water on varying terrain and soil types

distribution uniformity

soil water retention testing techniques

volume and pressure requirements

pump capacity

types of pumps and water flow rates

start-up procedures

operating specifications for pressures and flow rates

setting up irrigation controllers

setting up fertigation equipment

commissioning procedures

employment procedures

project management principles

design interpretation

safe work practices for construction

licensing requirements for electrical work.

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.

Low volume irrigation systems may include:

any systems that operate under comparatively low volume and pressure including micro irrigation, pop-ups at less than 0.1 litres/second, and drippers.