Assessor Resource

CPCPCM5010A
Design complex sanitary plumbing and drainage systems

Assessment tool

Version 1.0
Issue Date: March 2024


This unit of competency supports development of skills and knowledge required for competent workplace performance in a consultancy or supervisory capacity in relation to plumbing services and construction hydraulics.

This unit of competency specifies the outcomes required to undertake the hydraulic engineering design of complex sanitary plumbing and drainage installation and to prepare specifications for a range of residential, commercial and industrial buildings.

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

Prerequisites

Nil


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

This unit of competency could be assessed in the workplace or a close simulation of the workplace environment providing that simulated or project-based assessment techniques fully replicate plumbing and services workplace conditions, materials, activities, responsibilities and procedures.

It may be assessed on its own or as part of an integrated assessment activity involving carrying out the effective performance and application of drainage principles and detailing system components used in the drainage industry.

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

A person who demonstrates competency in this unit must be able to provide evidence of the ability to:

design, size and document the layout details of a complex sanitary plumbing and drainage system, including a specification for a high rise mixed development building; using two approved sanitary plumbing systems, to an effective height above 25 metres, inclusive of a basement, to include fixtures on each floor level (fixtures are included in the basement) and:

applying sustainability principles and concepts throughout to achieve a star rating under the Green Building Council of Australia rating scheme

evaluating and documenting design parameters, including client, regulatory, manufacturer and relevant Australian standard and code requirements for a range of complex sanitary plumbing and drainage systems

evaluating health risks associated with the sanitary plumbing and drainage system

planning and detailing system components, including:

access chambers (manholes)

gullies

anchorage blocks

pumpwells

piping systems

designing and sizing a complex sanitary plumbing and drainage system

applying drainage principles in the design and sizing of a complex elevated pipe system

designing and sizing a rising main

designing and sizing a fully vented or fully vented modified system

designing and sizing a single stack or single stack modified system

preparing plans to industry standards for a range of complex sanitary plumbing and drainage systems

preparing a specification for a complex sanitary plumbing and drainage system

preparing a testing and commissioning schedule

preparing an operation and maintenance manual

complying with WHS regulations applicable to workplace operations

communicating with others to ensure safe and effective workplace operations.

Context of and specific resources for assessment

This competency is to be assessed using standard and authorised work practices, safety requirements and environmental constraints.

Assessment of essential underpinning knowledge will usually be conducted in an off-site context.

Assessment is to comply with relevant regulatory or Australian standards' requirements.

Resource implications for assessment include:

an induction procedure and requirement

realistic tasks or simulated tasks covering the minimum task requirements

relevant specifications and work instructions

tools and equipment appropriate to applying safe work practices

support materials appropriate to activity

workplace instructions relating to safe work practices and addressing hazards and emergencies

material safety data sheets

research resources, including industry-related systems information.

Reasonable adjustments for people with disabilities must be made to assessment processes where required. This could include access to modified equipment and other physical resources, and the provision of appropriate assessment support.

Method of assessment

Assessment methods must:

satisfy the endorsed Assessment Guidelines of the Construction, Plumbing and Services Training Package

include direct observation of tasks in real or simulated work conditions, with questioning to confirm the ability to consistently identify and correctly interpret the essential underpinning knowledge required for practical application

reinforce the integration of employability skills with workplace tasks and job roles

confirm that competency is verified and able to be transferred to other circumstances and environments.

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, with a decision on competency only taken at the point when the assessor has complete confidence in the person's demonstrated ability and applied knowledge

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

Assessment processes and techniques should as far as is practical take into account the language, literacy and numeracy capacity of the candidate in relation to the competency being assessed.

Supplementary evidence of competency may be obtained from relevant authenticated documentation from third parties, such as existing supervisors, team leaders or specialist training staff.


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

communication skills to:

confirm job specifications and client requirements and to communicate with others to ensure safe and effective work practices

use clear and direct questioning to:

identify and confirm requirements

listen and understand

share information

use and interpret non-verbal communication

use language and concepts appropriate to cultural differences

initiative and enterprise skills to:

develop creative and responsive approaches

identify and accurately report to appropriate personnel any faults in tools, equipment or materials

literacy skills to:

read and interpret:

manufacturer requirements and manuals

plans, specifications, drawings and design briefs

standards

statutory and regulatory requirements

produce written information, including:

documentation, such as plans, specifications and schedules

an operation and maintenance manual

planning and organising skills to:

research, collect, organise and understand information relating to the design of complex sanitary and plumbing drainage systems

take initiative and make decisions

problem-solving skills to analyse requirements, consider options and design an appropriate system

teamwork skills to work with others to action tasks and relate to people from a range of cultural and ethnic backgrounds and with varying physical and mental abilities

technology skills to:

access and understand site-specific instructions in a variety of media

use mobile communication technology

Required knowledge

AS/NZS3500 National plumbing and drainage

AS2200 Design charts for water supply and sewerage

common terminology and definitions used in design of complex sanitary plumbing and drainage systems for all classes of building

National Construction Code

other relevant Australian standards, codes or standard operating procedures

principles of technology in the design of hydraulic systems

procedures for maintaining air balance within the systems

requirements of state regulatory authorities, Australian standards and manufacturer specifications, including hazards identified in relation to devices and systems used

workplace safety requirements, including relevant statutory regulations, codes and standards

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. 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) may also be included.

Scope of work:

must include:

interpretation of plans and specifications

sizing and documenting layout of complex sanitary plumbing and drainage systems for applications, including residential, commercial and industrial

may be for:

existing structure being renovated, extended, restored or maintained

new projects.

Design requirements may include:

architectural plans

building specifications

fire rating of penetrations

owner requirements

pipework identification

soil quality

specialist waste applications

unstable or water-charged ground.

Cost-benefit analysis:

compares the range of suitable materials and system choices available to enable cost-effective choices to be made without compromising integrity of the project

may include:

design styles

expected design life

labour costs

material costs

safety factors

speed of installation

suitability of materials

system choices.

Statutory and regulatory requirements may include:

Acts and regulations

local and state government requirements

preparation of documentation for authorities’ approval.

Australian standards and codes may include:

AS/NZS3500 National plumbing and drainage

state or territory requirements

National Construction Code

other relevant Australian standards and codes.

Manufacturer requirements may include:

material specifications

pump tables

sizing tables

recommended specific fixings for pipework

technical and trade manuals.

Desktop study may include collection and interpretation of data for design purposes, such as:

architectural and building plans

developer plans

manufacturers’ data

documents, which may include:

applications

brochures

forms

policies

other reports as available.

Performance requirements must include:

flow, velocity, pressure and discharge requirements, established using relevant Australian standards, codes and local authority plans.

Layout of pipework systems:

will be based on principles of economy, serviceability, durability and fit for use

may include:

drainage

elevated pipework

low pressure pump

vacuum

vented stack systems.

Fittings and valves may include:

bends

junctions

air admittance valves

reflux valves

inspection openings

expansion joints.

Access chamber details may include:

benching requirements

flow

gradient requirements

inlet and outlet connections

ladder access

lids

open and closed channel

sizing.

Gullies can cover details such as size, location, bedding and concrete support, and also include:

boundary traps

disconnector gullies (DG)

floor waste (FW)

overflow relief gullies (ORG).

Calculations for complex sanitary plumbing and drainage systems may include:

determination of flow and fixture loadings

gradient calculations

interpretation of design charts and tables

pipe sizing calculations

reduced level calculations

self-cleaning velocities.

Anchor blocks design elements may include:

flow forces to be resisted

keying and anchorage points

sizes

soil characteristics.

Pipe supports may include:

anchors

bedding

bracket spacing

concrete support

corrosion protection

cover

hanging brackets

manufacturer-recommended specific fixings

material requirements

provision for expansion

saddles

wall and ceiling brackets.

Pumpwell, pump and pump control requirements may include:

access covers

automatic controls

capacity

chains

corrosion-resistant materials

detailing

emergency storage

high and low-level water controls and alarms

impeller sizing

inlet and outlet design requirements

installation and mounting requirements

ladder access

macerator requirements

odour control

pump selection

pump sizing

pumpwell sizing

space requirements

step irons

valve requirements

ventilation

warning system.

Materials may include:

cast iron (CI)

concrete

copper (CU)

earthenware (VCP)

high density polyethylene (HDPE)

unplasticised polyvinyl chloride (PVC-U)

other approved material

fittings and fixtures, including:

measures to prevent the spread of fire

sound attenuation requirements.

Jointing methods may include:

brazing and threading

electrofusion welding

mechanical joints

rubber ring

solvent cement welding.

Installation requirements must include:

bedding

clipping

concrete support

fire rating of penetrations

installation details

jointing requirements

level of workmanship.

Rising main systems may include:

approved pressure pipe and fittings

calculated rise and pump delivery requirements

pipe velocities

pump sizing to meet calculated flow conditions.

Sustainability principles and concepts:

cover the current and future social, economic and environmental use of resources

may include:

selecting appropriate material to ensure minimal environmental impact

efficient use of material

efficient energy usage/capital outlay comparison

effect on the environment due to overflow or leakage

water efficiency

consideration of the Green Building Council of Australia rating scheme

local environment consideration regarding overflow, disposal and reuse.

Plans:

may include:

axonometrics

cross-sections

details

elevations

isometrics

schematics

sections

may be produced using:

computer generation

drawing equipment.

Specification may include:

bedding

commissioning

concrete support and detailing specialised components

jointing

access chambers (manholes)

manufacturer requirements

materials

pumps

safety (WHS)

support

testing

workmanship.

Testing may include:

air pressure

drainage inspection

hydrostatic

performance

quality assurance (QA) audit.

Commissioning schedule may include:

charging traps

checking leaks

checking for foreign material

checking for system defects

checking that system functions as per design

checking trap water seal retention

cleaning grates

system certification.

Operation and maintenance manual may include:

construction drawings

results of commissioning test

certification documentation

maintenance schedules

manufacturer brochures and technical information

manufacturer warranties.

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
Scope of workis established for complex sanitary plumbing and drainage systems for wide span and high-rise building projects. 
Design requirementsare determined from relevant Australian standards, codes, plans, specifications and client brief. 
Cost-benefit analysisis conducted comparing a range of pipe materials and system designs. 
Statutory and regulatory requirementsfor the design of complex sanitary plumbing and drainage systems are interpreted. 
Australian standards and codes for the design of complex sanitary plumbing and drainage systems are analysed and applied. 
Manufacturer requirementsand trade and technical manuals are interpreted. 
Additional research, including a desktop study, is conducted to outline design parameters. 
Performance requirements are established, considering safety of system users or building occupants. 

Forms

Assessment Cover Sheet

CPCPCM5010A - Design complex sanitary plumbing and drainage systems
Assessment task 1: [title]

Student name:

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

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Result: Competent Not yet competent

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Assessment Record Sheet

CPCPCM5010A - Design complex sanitary plumbing and drainage systems

Student name:

Student ID:

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

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Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

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