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Evidence Guide: NWP253B - Install and repair water services

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

From the Wiki University

 

NWP253B - Install and repair water services

What evidence can you provide to prove your understanding of each of the following citeria?

Plan and prepare for service installation.

  1. Determine work requirements for installation of services from plans, specifications and organisational procedures.
  2. Determine materials and configuration from plans, specifications and organisational procedures.
  3. Determine location of other utilities and services according to legislative and organisational requirements.
  4. Identify and apply system operation requirements.
  5. Select, fit and use equipment, including personal protective equipment.
  6. Determine location, size and number of tappings from plans, specifications and organisational procedures.
Determine work requirements for installation of services from plans, specifications and organisational procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Determine materials and configuration from plans, specifications and organisational procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Determine location of other utilities and services according to legislative and organisational requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify and apply system operation requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Select, fit and use equipment, including personal protective equipment.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Determine location, size and number of tappings from plans, specifications and organisational procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Drill and tap main pipe.

  1. Set up and operate tapping machine according to manufacturer specifications and organisational procedures.
  2. Install main tap according to specifications and organisational requirements.
  3. Recognise and correct faults or malfunctions in drilling and tapping.
  4. Apply corrosion protection measures where required.
Set up and operate tapping machine according to manufacturer specifications and organisational procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Install main tap according to specifications and organisational requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Recognise and correct faults or malfunctions in drilling and tapping.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Apply corrosion protection measures where required.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Install conduits under roads and pathways.

  1. Coordinate installation of conduits with road and path construction.
  2. Install conduits according to specifications, drawings and organisational requirements.
Coordinate installation of conduits with road and path construction.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Install conduits according to specifications, drawings and organisational requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Install pipes and fittings.

  1. Measure pipes and cut to length within acceptable tolerance for length and squareness.
  2. Prepare pipe ends and make joints according to manufacturer specifications.
  3. Set out configuration of pipes and fittings according to plans, specifications and organisational requirements, with allowance for thermal movement if required.
  4. Recognise and correct joining faults or malfunctions.
  5. Select bedding and backfill material and place according to manufacturer specifications and organisational requirements.
Measure pipes and cut to length within acceptable tolerance for length and squareness.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Prepare pipe ends and make joints according to manufacturer specifications.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Set out configuration of pipes and fittings according to plans, specifications and organisational requirements, with allowance for thermal movement if required.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Recognise and correct joining faults or malfunctions.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Select bedding and backfill material and place according to manufacturer specifications and organisational requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Maintain water system hygiene.

  1. Store service pipes and fittings clear of potential pollutants or damaging substances and remove debris or filling from pipes before installation.
  2. Flush service pipe work before final commissioning.
  3. Plug pipe openings during work breaks.
Store service pipes and fittings clear of potential pollutants or damaging substances and remove debris or filling from pipes before installation.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Flush service pipe work before final commissioning.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Plug pipe openings during work breaks.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Locate and repair leaks.

  1. Determine locations of leaks and isolate and dewater.
  2. Identify and apply electrical safety procedures.
  3. Identify and apply appropriate repair techniques to maintain integrity of service.
Determine locations of leaks and isolate and dewater.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify and apply electrical safety procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify and apply appropriate repair techniques to maintain integrity of service.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Test water service.

  1. Apply test or operational pressures to service and all joints.
  2. Check pipes, connections and fittings are operable without leakage under test or operational conditions.
Apply test or operational pressures to service and all joints.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Check pipes, connections and fittings are operable without leakage under test or operational conditions.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Finalise work.

  1. Check, maintain and store equipment, tools and materials according to manufacturer guidelines and organisational procedures.
  2. Restore work site to meet environmental and organisational requirements.
  3. Complete workplace records and process as required.
Check, maintain and store equipment, tools and materials according to manufacturer guidelines and organisational procedures.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Restore work site to meet environmental and organisational requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Complete workplace records and process as required.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, the range statement and the Assessment Guidelines for the Training Package.

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

The candidate should demonstrate the ability to install and repair water services between the main supply and customer connection by:

planning work and preparing work site

performing installation and repair tasks according to manufacturer specifications and legislative and organisational requirements

ensuring system hygiene and operational performance

checking work, restoring work site, storing equipment and completing documentation.

Context of and specific resources for assessment

Access to the workplace and resources including:

documentation that should normally be available in a water industry organisation

relevant codes, standards and government regulations.

Where applicable, physical resources should include equipment modified for people with disabilities.

Access must be provided to appropriate learning and assessment support when required.

Assessment processes and techniques must be culturally appropriate, and appropriate to the language and literacy capacity of the candidate and the work being performed.

Validity and sufficiency of evidence requires that:

competency will need to be demonstrated over a period of time reflecting the scope of the role and the practical requirements of the workplace

where the assessment is part of a structured learning experience the evidence collected must relate to a number of performances assessed at different points in time and separated by further learning and practice

a decision of competence should only be made when the assessor has complete confidence in the person's competence over time and in various contexts

all assessment that is part of a structured learning experience must include a combination of direct, indirect and supplementary evidence

where assessment is for the purpose of recognition (RCC/RPL), the evidence provided will need to be authenticated and show that it represents competency demonstrated over a period of time

assessment can be through simulated project-based activity and must include evidence relating to each of the elements in this unit.

In all cases where practical assessment is used it will be combined with targeted questioning to assess the underpinning knowledge. Questioning will be undertaken in a manner appropriate to the skill levels of the operator and cultural issues that may affect responses to the questions, and will reflect the requirements of the competency and the work being performed.

Required Skills and Knowledge

This describes the essential skills and knowledge and their level, required for this unit.

Required skills:

install and repair service pipes and fittings

identify control system faults

use safety equipment and personal protective equipment

use tools and equipment

identify hazards

work effectively as part of a team

perform work-related calculations

identify and respond to operational problems

use communication systems

interpret plans, instructions and procedures

follow procedures and standards

complete documentation

use literacy skills in regard to verbal and written communication in the workplace

communicate with customers and other employees.

Required knowledge:

OHS procedures

personal work site safety

risk factors

equipment operation

environmental aspects of service installation

pipe systems and installation requirements

characteristics of pipe materials

work-related calculations

systems' operation

testing systems

corrosion principles applicable to service pipes and fittings

operation of water meters.

Range Statement

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. Add any 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.

Work requirements may include:

confined spaces

lifting and moving materials in a trench.

Legislative and organisational requirements may include:

relevant federal and state or territory legislation and regulations

codes of practice, associated standards and guidance material

documented organisational policies, manuals and induction programs

relevant community planning and development agreements, such as land care agreements.

Equipment used may include:

hand and power tools

lifting and winching equipment

mechanical excavation equipment

pneumatic and motorised equipment

pressure drilling and tapping machines

pipe cutting and bending apparatus

thread cutting equipment

communication equipment

bridging clamps

insulating gloves

personal protective equipment.

Pipes may include:

copper

polybutylene

brass

polyethylene

polyvinyl chloride (PVC)

galvanised steel.

Joints may be:

threaded

electrofusion

push fit

solvent welded

butt welded

compression

silver soldered.

Fittings may include:

tapping bands

main taps

ferrules

ball valves

dirt boxes

meter boxes.