CPCCWP5002 — Design external above ground waterproofing
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What an assessment for CPCCWP5002 must cover
124 assessable components: 4 elements (20 performance criteria), 36 performance evidence and 68 knowledge evidence requirements. 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 Plan and prepare.
- 1.1Identify above ground areas to be waterproofed and determine external site conditions, waterproofing brief, challenges, waterproofing system design requirements, including finishes in consultation with stakeholder needs and drawings and specifications.
- 1.2Assess types of construction and their permeability to water and moisture, including concrete, masonry and framing to be managed and identify potential water ingress points for the construction.
- 1.3Identify site conditions, including wind speed, climate zone, water catchment area, and outfalls and overflow effects to adjoining buildings and occupancies below.
- 1.4Analyse areas impacted by waterproofing system failure for their intended use.
- 1.5Determine the management of surface water movement to a drainage point and sub-surface water materials by capillarity.
2 Carry out risk analysis.
- 2.1Assess risks to external wet areas for the purposes of providing designed systems, including service conditions, wind speed, climate zone, water catchment area, and outfall capacities and overflow effects.
- 2.2Assess risk of interstitial condensation within building elements as part of design.
- 2.3Determine ultraviolet (UV) exposure of materials and membranes.
- 2.4Determine effects of water and moisture on building elements.
- 2.5Assess consequence of defects in the waterproofing systems on identified impacted areas.
- 2.6Assess external wet area for provision of the proposed design of waterproofing.
3 Carry out waterproofing design.
- 3.1Identify structural requirements, including wind speeds and climate zone, and the effects on the building envelope and waterproofing systems.
- 3.2Develop design requirements for level of risk to moisture and water exposure.
- 3.3Identify above ground waterproofing systems available to suit the design that are appropriate for the conditions.
- 3.4Analyse and select waterproofing systems suitable for and compatible with site conditions and substrate.
- 3.5Provide a scope for the installation of the waterproofing system, including substrate considerations and compatibility with finishes, in accordance with principal design, stakeholder needs, compliance with relevant regulations, National Construction Code (NCC) performance requirements, Australian Standards, work health and safety (WHS), environmental requirements, manufacturers’ specifications, and drawings and specifications.
- 3.6Provide quality assurance inspection protocols for waterproofing system installation, including substrate assessment for suitability, compliance of membrane installation with manufacturers’ specifications, completion inspection processes, and repair and maintenance plan.
4 Evaluate waterproofing design.
- 4.1Assess effectiveness of waterproofing system design for suitability with site conditions and consequential affects where water bears at the maximum designed level, risk of moisture and condensation is present, defects are present in the waterproofing system and defects impact the usage of adjoining areas.
- 4.2Review repair and maintenance plan of waterproofing system.
- 4.3Record and report on compliant waterproofing design solutions to stakeholders in accordance with service conditions and manufacturers’ specifications, Australian Standards, and NCC performance requirements.
Performance evidence
- develop two (2) waterproofing designs.
- In doing so, the candidate must:
- develop one (1) design of a roof top podium deck which must include:
- a minimum 100 square meters
- details of construction joints
- an integrated planter box and drainage
- penetration for services and fixings
- cross-section design of the complete system, including:
- strata layers
- provision of falls
- threshold detail
- drainage termination detail
- compatible finishes for intended use
- develop one (1) design for multi-level external decks which must include:
- a semi-enclosed deck area
- falls provided to multiple drainage out falls
- where catchment areas and overflow affect lower bound levels requiring overflow provisions
- cross-section design of the complete system, including:
- strata layers
- provision of falls
- threshold detail
- drainage termination detail
- compatible finishes for intended use
- provide evidence of compliance with design requirement with National Construction Code (NCC) performance requirements
- The evidence of compliance report must detail:
- class of building
- wind speed
- climate zone
- water catchment area and outfalls
- overflow effects to adjoining and occupancies below
- compatibility chain of materials specified, including finishes
- provide a risk assessment report for the two required designs detailing:
- waterproofing system solution for the condition
- management of potential defects in the waterproofing system
- consequences of water entering the relevant space
- feasibility of repair of the waterproofing system.
Knowledge evidence
- key principles of water movement, drainage and hydrostatic pressure/capillarity
- various types of construction and their permeability to water and moisture, including:
- concrete
- masonry
- framed
- stakeholders:
- architect
- engineer
- builder
- building owner
- consumer
- design team
- construction team
- certifier
- building surveyor
- regulators
- use of space
- fit for purpose water proofing systems
- methods of damp-proofing and external above ground waterproofing appropriate to construction type
- compliance with required testing standards
- requirements of building codes and Australian Standards
- key design philosophies for above ground waterproofing, including:
- wind loads and the effects on the building envelope and waterproofing systems
- effects of loads on a material, deformation, stress/strain, especially flexural, compressive and tensile stresses
- incorporation of acoustic systems
- energy efficiency, including:
- insulated systems
- green roofs
- ventilation requirements in a building
- above ground waterproofing systems available and be able to select and design the appropriate system for the conditions, including:
- bonded and unbonded sheet membranes
- liquid applied membranes
- drainage cells
- isolation systems
- sealants
- input and expertise of allied consultants
- compliant processes installation of specified waterproofing systems
- methods for calculating the quantities of components required to complete the waterproofing works specified
- advantages and disadvantages of the different systems, including:
- combinations of different systems and their limitations
- maintenance and aftercare requirements
- the form and feasibility of remedial work
- impact of different systems
- how membranes work
- building elements and integration, including:
- product properties and compatibility with building elements
- installation methods and practices
- stages of installation and inspection benchmarks
- waterproofing systems design and relationship with building design
- permanent formwork
- a range of finishing systems, including decorative finishes
- maintenance of water management systems (drainage systems, sumps, pumps and channels)
- implications of dampness affecting timber in buildings, including:
- identification of timbers that have been affected by water, decay fungi or wood consuming insects
- providing suitable advice on the need for specialist assessment
- implications of dampness affecting structural steel in buildings
- properties of waterproofing systems available:
- substrate assessment and preparation
- combining components to form a system
- component compatibility in a combined system
- component properties for site conditions
- component installation practices
- system analysis for effectiveness
- assessment of complex water and moisture ingress situations:
- moisture and water remedial system relationships
- combination of systems to form multiple barriers
- environmental considerations and management
- relevant regulations and legislation.
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 CPCCWP5002
What does an assessment tool for CPCCWP5002 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for CPCCWP5002 needs to address all 124 unit components: 4 elements with 20 performance criteria, 36 performance evidence requirements, 68 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 CPCCWP5002?
Auditori pulls the current release of CPCCWP5002 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 CPCCWP5002 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing CPCCWP5002 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 CPCCWP5002, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
Related units
- CPCCWP2001 — Handle waterproofing materials and components
- CPCCWP2002 — Use waterproofing tools and equipment
- CPCCWP2004 — Prepare surfaces for waterproofing application
- CPCCWP3001 — Apply waterproofing system to below ground level wet areas
- CPCCWP3002 — Apply waterproofing process to internal wet areas
- CPCCWP3003 — Apply waterproofing process to external above-ground wet areas
- CPCCWP3004 — Apply waterproofing remedial processes
- CPCCWP3005 — Assess construction waterproofing processes
- CPCCWP5001 — Design below ground waterproofing
- CPCCWP5003 — Design waterproofing to internal wet area
- CPCCWP5004 — Determine origin of water and moisture ingress into buildings
- CPCCWP5005 — Prepare a scope of works for remedial waterproofing
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