Assessor Resource

AHCDRG303A
Troubleshoot drainage systems

Assessment tool

Version 1.0
Issue Date: April 2024


This unit is likely to be carried out under routine supervision within enterprise guidelines.

This unit covers the process of troubleshooting blockages in drainage lines and defines the standard required to: plan and prepare for the work; inspect the site to determine access to drainage lines; isolate appliances/fixtures/fittings and related assemblies (where required); use manual and mechanical drain clearing equipment; test the system and clean up after locating and clearing any blockages.

You may want to include more information here about the target group and the purpose of the assessments (eg formative, summative, recognition)

Employability Skills

This unit contains employability skills.



Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

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:

plan and prepare for the work

inspect the site to determine access to drainage lines

isolate appliances/fixtures/fittings and related assemblies (where required)

use manual and mechanical drain clearing equipment

test the system and clean up after locating and clearing any blockages.

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.

Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assingnment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)

Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

Required skills

isolate appliances/fixtures/fittings and related assemblies (where required)

repair or remove blockages

use manual and mechanical drain clearing equipment

level and align site

implement and follow relevant enterprise OHS and environmental policies and procedures

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

use oral communication skills/language competence to fulfil the job role as specified by the organisation, including questioning techniques, active listening, clarifying information and consulting with supervisors as required

use numeracy skills to estimate, calculate and record routine workplace measures

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

Required knowledge

types and operational parameters of drains

components used in drainage systems

isolation processes and procedures

levelling and alignment processes

regulatory requirements, codes of practice and relevant enterprise service standards relating to blockage removal, disconnection and reconnection activities

environmental impacts of drainage systems

application of OHS procedures when locating and clearing line blockages, use of personal protective equipment and materials handling.

The range statement relates to the unit of competency as a whole.

Drainage systems may include:

surface drains

culverts

mole drains

sand slit

sub-surface traps

pit and trap systems

dune and swale systems

reed beds

water-recycling pumps and baffles.

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Equipment is selected and checked for safe operation. 
Appropriate personal protective equipment and tools are selected and used according to Occupational Health and Safety (OHS) requirements. 
Site is inspected to locate blocked section of drainage lines. 
Work requirements and responsibility for repair is determined and appropriate authorities/persons notified of the intention to commence work. 
Plan of plumbing system is determined and access points located. 
Digging is carried out without unnecessary damage to buildings, site, environment or existing fixtures/fittings. 
Manual lifting and handling techniques are used according to OHS requirements. 
Hand tools and equipment are selected to perform work. 
Mechanical equipment is assembled and used according to manufacturer's instructions and OHS requirements. 
Access to drainage lines is obtained to allow blockage to be cleared. 
Blockage is cleared or blocked section is replaced according to enterprise, environmental and OHS procedures. 
Drainage line is tested to confirm blockage is cleared from pipe system. 
Drainage line is repaired/resealed to permit normal use. 
Relevant persons/authorities are advised that repairs have been completed and the drainage line has been commissioned for use. 
Work area is cleaned and aligned, with debris/waste disposed of according to enterprise, environmental and OHS procedures. 
Materials and equipment are maintained according to enterprise, environmental and OHS procedures, and returned to store. 

Forms

Assessment Cover Sheet

AHCDRG303A - Troubleshoot drainage systems
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:

Assessment Record Sheet

AHCDRG303A - Troubleshoot drainage systems

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: