Required skills include

Ability to

interpret pump curves

calculate pumping requirements

select pumps filters and valves

calculate pressure loss due to irrigation components

position pumps valves and filters

open and closing valves

pressure test pumps

monitor performance of pumps valves and filters

service maintain and replace pumps valves and filters

use pressure testing equipment

use recorded information to review energy and water efficiency for an irrigation system

identify adverse environmental impacts of irrigation pumping activities and appropriate remedial action

implement and follow relevant enterprise OHS and environmental policies and procedures

Required knowledge includes

Knowledge of

the relevant statutory and authority requirements related to the installation of commissioning domestic irrigation pumps

levelling and alignment processes

the application of mechanical hydraulic and electrical principles

properties of water including pressure and flow rates

selection factors for pumps

source of water and lift

the required pumping flow rate and pressure

the total suction head

the total dynamic head

types of pumps and application in irrigation

centrifugal

vertical turbine

submersible

propeller

advantages and disadvantages of each pump type

types suitable as booster and floating pumps

pump power requirements

discharge and flow rates

pump efficiency

minimum pressures for emitters and sprinkler heads

types of impellers and their use

cavitation cause and effect

net positive suction head NPSH

pump positioning driver alignment and suction length

pump components and their principles of operation

pump gauges and controls

types of valves

automatic pump switches

timers

pressure switches

irrigation controllers

flow switches

installation factors

adequate space head room ventilation and lighting

correct alignment procedures of pump and motor shafts with direct coupled units

provision for adjustment and ease of dismantling

priming and operating pumps

pump performance and pressure testing

the sources of information and the processes for the calculation of material requirements and flow rates

the process of installing and commissioning domestic irrigation pumps

routine preventative maintenance

overhaul or repair operations

environmental procedures for installing and maintaining irrigation pumping systems

OHS legislation

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

select pumps and pumping equipment to meet design requirements

install and test pumps

develop procedures to maintain pumping systems

commission and test the pumping system

carry out troubleshooting

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

Irrigation pumping systems may include:

Types of pumps may include:

Types of valves may include:

Types of filters may include:

Irrigation controllers may include: