AHCIRG309
Install irrigation pumps


Application

This unit of competency describes the skills and knowledge required to install and commission irrigation pumps.

It applies to individuals who take responsibility for own work and for the quality of the work of others. They use discretion and judgement in the selection, allocation and use of available resources. All work is carried out to comply with workplace procedures.

No occupational licensing, legislative or certification requirements are known to apply to this unit at the time of publication.


Elements and Performance Criteria

Element

Performance criteria

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1. Plan and sequence installation tasks from instructions

1.1 Obtain drawings and specifications

1.2 Plan and sequence tasks

1.3 Select tools and equipment and check for serviceability

2. Source irrigation system requirements

2.1 Determine location of pump

2.2 Identify pump base requirements

2.3 Identify, order and collect materials and equipment

2.4 Check materials and equipment for acceptable condition and compliance

3. Install and commission pumping and flow control components

3.1 Set out and construct pump base

3.2 Install pump and pump controls

3.3 Connect suction and discharge lines and flow control devices

3.4 Connect delivery and distribution components to pump

3.5 Conduct pressure testing of pumping system

3.6 Test pump

4. Complete work

4.1 Clear work area and dispose of, reuse or recycle materials

4.2 Clean, check, maintain and store tools and equipment

4.3 Restore work site to meet environmental requirements

4.4 Complete documentation

Evidence of Performance

The candidate must be assessed on their ability to integrate and apply the performance requirements of this unit in a workplace setting.

The candidate must provide evidence that they can:

follow plans, charts and instructions

handle materials safely

identify and respond to operational problems

match pump output and flow rate to pipe diameter

monitor the performance of valves

open and close valves

organise equipment and materials for installation work

perform work-related calculations

position pumps and valves

prime and operate pumps

set out and prepare the site

use power tools and hand tools

weld in both poly and steel


Evidence of Knowledge

The candidate must explain:

advantages and disadvantages of each pump type

automatic pump switches including timers, pressure switches, irrigation controllers and flow switches

basic principles of hydraulics (flow vs. pressure), energy loss due to friction

characteristics and application of different valves, pipes and fittings including fixing and joining techniques and methods

discharge and flow rates

impellers, rotors, stators

installation procedures for irrigation pumps

properties of water including pressure and flow rates

pump components and their principles of operation

pump gauges and controls

pump performance and pressure testing

servicing requirements for pumps

types of pumps and their application in irrigation, such as centrifugal, vertical turbine, submersible and propeller

types of valves

types suitable as booster and floating pumps


Assessment Conditions

Assessors must satisfy current standards for RTOs.


Foundation Skills

Foundation Skills essential to performance are explicit in the performance criteria of this unit of competency.


Range Statement


Sectors

Irrigation (IRG)