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External Plastering

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Licensing Class:

External Plastering

Descriptor:

This licensing class covers practitioners applying external solid plaster, or proprietary plaster systems to any category of building.

Explantory Note:

This licensing class includes Solid Plastering, and Proprietary Plaster Cladding Systems (PPCS).

Competencies:

These competencies may be demonstrated by meeting some or all of the following performance indicators.

Performance indicators:

Competency 1: Demonstrate knowledge of the regulatory environment of the building construction industry

1.1

Explain the purpose of the Building Act, Building Code, Resource Management Act, and their relationship with the construction process.

1.2

Describe the key features of the Licensed Building Practitioner Scheme.

Includes but not limited to - the licensing classes, restricted building work, and accountability to the Building Practitioners Board.

1.3

Describe the roles and responsibilities of key parties involved in the design and building process.

Roles may include but not limited to - licensed building practitioners (Design, Site, Specialist, Trade), engineers, other trades (e.g. electrical, plumbing, tiling), building consent authorities (BCAs), and clients.

1.4

Describe how external plastering fits within the building consent process.

Includes but not limited to - trigger points for consent, application, inspection, code compliance certificates, and consequences of non-compliance.

1.5

Explain the importance of, and operate within scope of individual competence, and recognise when other expertise is required.

Includes but not limited to - the implications of the different external plastering areas of practice.

Competency 2: Demonstrate knowledge of current external plastering trade practice

2.1

Explain relevant technical external plastering terms and construction methods.

2.2

Explain relevant external plastering methods and trade practice.

For Solid Plastering, includes but not limited to: substrates, fixing centres, flashings, reinforcing, dissimilar cladding junctions, cladding clearances, control joints, mix design, raw materials, application, finishes and curing.

And/or

For PPCS, includes but not limited to: substrates, fixing centres, flashings, reinforcing, dissimilar cladding junctions, cladding clearances, control joints, proprietary plastering materials, mixing procedures, application, finishes, and curing.

2.3

Access and interpret relevant technical information.

For Solid Plastering, may include but not limited to building plans and specifications, NZS 4251, manufacturers' technical information.

And/or

For Stucco, may inclyde but not limited to building plans and specifications, E2/AS1, NZS4251.

And/or

For PPCS, may include but not limited to building plans and specifications, E2/AS1, manufacturers' technical information.

2.4

Demonstrate knowledge of interactions with other trades.

May include but not limited to - carpentry, electrical, plumbing, tiling, drainlaying, gasfitting, excavating, bricklaying and blocklaying, roofing, landscaping, joinery, decorating, and waterproofing.

2.5

Describe the management of environmental issues on site.

May include but not limited to - site runoff (wash out water), building waste and hazardous materials disposal.

2.6

Explain preliminary site set-up requirements.

May include but not limited to - access, site signage, temporary water and electricity, toilet, shed/store, phone, and scaffolding.

Competency 3: Carry out planning for external plastering work

3.1

Read and interpret approved building consent documents, working drawings, specifications, programme schedules.

May include but not limited to – building consent authority requirements, correct establishment of substrate and flashings, position of control joints, and planning of workflows to suit site exposure.

3.2

Order and coordinate material supply to site.

May include but not limited to – ability to measure, calculate and estimate quantities.

Competency 4: Work safely

4.1

Explain the purpose of the Health and Safety at Work Act.

4.2

Describe safe working practices on site.

May include but not limited to - personal protective equipment, safety barriers, scaffolding, alkali exposure, and dust from operations.

4.3

Work safely.

May include but not limited to – taking part in ‘tool box’ meetings, having a Site Specific Safety Plan, keeping a hazard register

Competency 5: Carry out external plastering work

This competency may be demonstrated by meeting some or all of the performance indicators in one or more of the following areas of practice.

Area of practice 1: Solid plastering / rendering over masonry and other substrates

5.1.1

Manage environmental issues on site.

May include but not limited to - site runoff (wash out water), building waste and hazardous materials disposal, alkali exposure, dust from operations, complying with the Resource Management Act requirements.

5.1.2

Where a building consent has been issued for the work, comply with the requirements of the approved building consent documents.

5.1.3

Comply with the requirements of current New Zealand Standards or the current specification of the proprietary system being used.

Includes but not limited to NZS 4251 and E2/AS1.

5.1.4

Check and prepare existing and new solid surfaces for plastering and apply scratch coat.

Includes but not limited to frame construction and substrate.

5.1.5

Apply flanking coat to prepared walls.

5.1.6

Apply plaster finishing coat to prepared exterior surfaces.

5.1.7

Cure plastered surfaces.

Area of practice 2: Proprietary Plaster Cladding Systems (PPCS)

5.2.1

Manage environmental issues on site.

May include but not limited to - site runoff (wash out water), building waste and hazardous materials disposal, alkali exposure, dust from operations, complying with the Resource Management Act requirements.

5.2.2

Where a building consent has been issued for the work, comply with the requirements of the approved building consent documents.

5.2.3

Comply with the requirements of the current specification for the proprietary system being used.

5.2.4

If installation of the substrate is required, install the substrate in accordance with the current specification.

5.2.5

If installation of the substrate has been completed, check installation of substrate, ground clearances, flashings, control joints and junctions with other material.

5.2.6

Apply jointing compound to rebated joints as system requires.

5.2.7

Apply base coat, and reinforce.

5.2.8

Apply a proprietary levelling plaster to a solid substrate.

5.2.9

Apply finishing coats to prepared proprietary plaster cladding substrates.

 

Last updated 20 December 2016

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