CPCPPS5002 — Design gas reticulation systems

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What an assessment for CPCPPS5002 must cover

51 assessable components: 4 elements (24 performance criteria), 1 performance evidence and 25 knowledge evidence requirements, plus 1 foundation skills. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Evaluate design parameters.

1.1Establish scope of work for gas reticulation systems.
1.2Establish system performance requirements.
1.3Determine design requirements from plans, specifications and client brief.
1.4Review and analyse statutory and regulatory requirements and Australian and New Zealand Standards for the design of gas reticulation systems.
1.5Conduct research, including a desktop study to identify a range of system options.
1.6Interpret manufacturer requirements and trade and technical manuals for gas reticulation systems.
1.7Conduct a cost-benefit analysis to compare materials and system designs.

2 Plan and detail system components.

2.1Plan layout of pipework systems including the type and location of fittings and valves.
2.2Calculate pipe sizes for a range of applications.
2.3Specify ventilation and flue requirements of applications.
2.4Conduct gas metering and measurement of gas consumption.
2.5Detail distribution pressures and specifications of regulators and appliances for applications.
2.6Design and detail cylinder and tank systems.
2.7Specify safety, ignition, thermostat and gas control devices in compliance with relevant standards and codes.
2.8Plan pipe fixings for applications.
2.9Specify approved materials, jointing methods and installation requirements for gas reticulation systems.

3 Design and size systems.

3.1Design and size range of gas reticulation systems.
3.2Design and size pressure loss through pipework, valves and meters.
3.3Design and size ventilation systems for gas systems and appliances.
3.4Design and layout plantroom containing liquefied petroleum gas (LPG) appliances.

4 Prepare documentation.

4.1Prepare plans for gas reticulation systems.
4.2Prepare specification for gas reticulation systems.
4.3Prepare testing and commissioning schedule.
4.4Produce operation and maintenance manual.

Performance evidence

evaluating and documenting design parameters for at least two gas reticulation systems, including: - preparing and producing a plan for layout of gas reticulation systems using appropriate software.

Knowledge evidence

common terminology and definitions used in design of gas reticulation systems for all classes of building
principles of technology used in design of gas reticulation systems
requirements of state regulatory authorities, Australian Standards and manufacturer specifications, including hazards identified in relation to devices and systems
work health and safety (WHS) requirements, including relevant statutory regulations, codes and standards
scope of work: - interpretation of plans and specifications - sizing and documenting layout of gas reticulation systems for applications, including residential, commercial and industrial - new projects or existing structures being renovated, extended, restored or maintained
design requirements: - architectural specifications - builder specifications - owner requirements - specialist use applications - cost-benefit analysis
statutory and regulatory requirements and Australian and New Zealand Standards: - Acts, regulations and local and state government policies, including group and strata titling - AS/NZS 1596 The storage and handling of LP gas - AS/NZS 5601.1 Gas installations - General installations - National Construction Code (NCC) - gas utility and supplier information and requirements - industry standards
requirements from manufacturers: - material specifications - pump tables - sizing tables - technical and trade manuals
desktop study including collection and interpretation of existing data for design purposes: - architectural and building plans - council plans - developer plans - applications - reports as available
layout of pipework systems: - have principles of economy, serviceability, durability and fit for use applied - not unduly affect building integrity and aesthetic appeal
fittings and valves: - bends - couplings - regulators - tees - unions
calculations for: - energy - gas volume - pressure - sizing - storage
ventilation and flue requirements which must include appliance flue design and ventilation requirements according to standards, regulations and gas authorities’ requirements
specifications of regulators: - adjustment procedures of regulators - excessive pressure protection types of regulators - gas regulation method - identification, analysis and documentation of regulator faults - principles of operation - selection and installation requirements - sizing of regulators - types of gas regulators
specifications of appliances: - commercial appliances - components - construction of the appliance - domestic appliance design - electronic controls - industrial appliances
design of cylinder and tank systems based on: - anticipated use - appropriate time period between refilling - gas storage requirements calculations
pipe fixings: - anchors - bracket spacing - corrosion protection - cover - hanging brackets - material requirements - saddles - wall and ceiling brackets
materials: - copper (Cu) - fittings and fixtures - galvanised steel - polyethylene (PE) - unplasticised polyvinyl chloride (uPVC)
jointing methods: - brazing and threading - gluing - mechanical joints - rubber ring - solvent cement welding
installation requirements: - clipping, bedding and installation detail - installation requirements for mobile, marine installation and portable appliances (high and low-pressure) - jointing requirements - level of workmanship
plans: - axonometrics - cross-sections - details - elevations - sections - isometrics - schematics which may be produced using: - computer generation - drawing equipment
specification: - appliances - bedding - clipping - details of specialised components - jointing - manufacturer requirements - materials - valves - workmanship
testing for: - bubble leak - electronic gas leak detection - flow - inspection checklist - pressure - quality assurance (QA) audit
commissioning schedule information: - checking for burrs and obstructions - commissioning appliances - confirming fit for purpose - purging system - removing contaminants
information for operation and maintenance manuals: - check for blockages - leak detection - regular inspection - regular maintenance requirements.

Foundation skills

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

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing CPCPPS5002

What does an assessment tool for CPCPPS5002 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for CPCPPS5002 needs to address all 51 unit components: 4 elements with 24 performance criteria, 1 performance evidence requirements, 25 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for CPCPPS5002?

Auditori pulls the current release of CPCPPS5002 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for CPCPPS5002 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing CPCPPS5002 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of CPCPPS5002, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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