Maintain and repair wastewater collection systems

Formats and tools

Unit Description
Reconstruct the unit from the xml and display it as an HTML page.
Assessment Tool
an assessor resource that builds a framework for writing an assessment tool
Assessment Template
generate a spreadsheet for marking this unit in a classroom environment. Put student names in the top row and check them off as they demonstrate competenece for each of the unit's elements and performance criteria.
Assessment Matrix
a slightly different format than the assessment template. A spreadsheet with unit names, elements and performance criteria in separate columns. Put assessment names in column headings to track which performance criteria each one covers. Good for ensuring that you've covered every one of the performance criteria with your assessment instrument (all assessement tools together).
Wiki Markup
mark up the unit in a wiki markup codes, ready to copy and paste into a wiki page. The output will work in most wikis but is designed to work particularly well as a Wikiversity learning project.
Evidence Guide
create an evidence guide for workplace assessment and RPL applicants
Competency Mapping Template
Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners. A template for developing assessments for a unit, which will help you to create valid, fair and reliable assessments for the unit, ready to give to trainers and students
Observation Checklist
create an observation checklist for workplace assessment and RPL applicants. This is similar to the evidence guide above, but a little shorter and friendlier on your printer. You will also need to create a seperate Assessor Marking Guide for guidelines on gathering evidence and a list of key points for each activity observed using the unit's range statement, required skills and evidence required (see the unit's html page for details)

Self Assessment Survey
A form for students to assess thier current skill levels against each of the unit's performance criteria. Cut and paste into a web document or print and distribute in hard copy.
Moodle Outcomes
Create a csv file of the unit's performance criteria to import into a moodle course as outcomes, ready to associate with each of your assignments. Here's a quick 'how to' for importing these into moodle 2.x
Registered Training Organisations
Trying to find someone to train or assess you? This link lists all the RTOs that are currently registered to deliver NWP257B, 'Maintain and repair wastewater collection systems'.
Google Links
links to google searches, with filtering in place to maximise the usefulness of the returned results
Reference books for 'Maintain and repair wastewater collection systems' on This online store has a huge range of books, pretty reasonable prices, free delivery in Australia *and* they give a small commission to for every purchase, so go nuts :)

Elements and Performance Criteria



1Investigate reported system problems.

1.1 Investigate customer complaints.

1.2 Locate problems using inspection points and system fault location techniques.

1.3 Identify organisational and customer responsibilities for faults.

1.4 Select remedial action according to organisational procedures.

2Plan and prepare for maintenance and repair.

2.1 Determine work requirements for maintenance and repair of assets from specifications and instructions.

2.2 Select and check equipment and tools required to meet task and site safety requirements.

2.3 Select, fit and use personal protective equipment.

3Maintain and repair assets, pipes and fittings.

3.1 Controlflows to allow maintenance and repair of assets.

3.2 Repair or replace leakages and damaged assets according to organisational procedures.

3.3 Select fittings and tools and lay or join assets according to manufacturer guidelines and organisational requirements.

3.4 Conduct preventative maintenance according to organisational maintenance programs.

3.5 Locate system chokes and blockages and arrange removal.

3.6 Perform cleaning and flushing according to legislative and organisational requirements.

3.7 Inspect minor structures and determine and apply appropriate repair techniques.

4Finalise work.

4.1 Check, maintain and store equipment, tools and materials to manufacturer guidelines and organisational procedures.

4.2 Restore work site to meet environmental and organisational requirements.

Qualifications and Skillsets

NWP257B appears in the following qualifications:

  • NWP20107 - Certificate II in Water Operations
  • UEE21310 - Certificate II in Remote Area Essential Service