18730 version 2

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Set out, cut and erect equal pitch timber gable and hip roof framing on site

Level / 4
Credits / 12

Purpose People credited with this unit standard are able to: determine materials required for equal pitch timber gable and hip roofs; set out, cut and erect timber roof framing; trim timber roof and ceiling framing members for openings; and complete work operations; on site.

Subfield / Construction Trades
Domain / Carpentry
Status / Registered
Status date / 25 January 2008
Date version published / 25 January 2008
Planned review date / 31 December 2012
Entry information / Open.
Replacement information / This unit standard and unit standard 18732 replaced unit standard 13050.
Accreditation / Evaluation of documentation and visit by NZQA and industry.
Standard setting body (SSB) / Building and Construction Industry Training Organisation
Accreditation and Moderation Action Plan (AMAP) reference / 0048

This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.

Special notes

1 Definitions

Plant is used as in the Health and Safety in Employment Act 1992 to mean appliances, equipment, fittings, furniture, implements, machines, machinery, tools, vehicles, plus parts, controls, and anything connected.

Site documents refer to any official documentation for the site, and may include consents, working drawings, plans and specifications, reports, producer statements, any relevant industry standards, or any other documentation critical to the construction process.

Work site practice refers to the documented procedures specific to a work site which set out the standard and required practices of that work site.

2 For all on site unit standards the practical assessment evidence must be provided in the context of commercial business construction operations, in the workplace, under normal workplace conditions.

3 Credit for this unit standard indicates compliance with industry practice. Industry practice refers to the ability to work unsupervised, demonstrating knowledge and skills that reflect the productivity, uniformity, finish quality and material economies currently accepted within industry.

4 Legislation relevant to this unit standard includes: Health and Safety in Employment Act 1992 and Health and Safety in Employment Regulations 1995;

Building Act 2004;

Resource Management Act 1991;

New Zealand Building Code.

Elements and performance criteria

Element 1

Determine materials required for equal pitch timber gable and hip roofs on site.

Performance criteria

1.1 Materials for roof framing members are identified from site documents, and a cutting list is prepared in accordance with work site practice.

1.2 Materials for roof braces required are identified from site documents, and a cutting list is prepared in accordance with work site practice.

Element 2

Set out, cut and erect timber roof framing on site.

Performance criteria

2.1 Roof member positions are set out in accordance with site documents.

2.2 Roof framing members are marked out and cut to length and bevels in accordance with site documents.

Range six of – common rafters and jack rafters, outriggers, flying rafters, hip and valley rafters, ridge, valley boards, ceiling joists, purlins.

2.3 Roof framing members are erected and fixed in accordance with site documents.

2.4 Support and bracing systems are set out, cut and fixed in accordance with site documents.

Range six of – under purlins, struts, strutting beams, collar ties and cleats, roof space braces, roof plane braces, purlins and ceiling battens, dragon ties.

2.5 Framing and trim for fascia boards, barge boards, soffits (eaves) and verges are constructed in accordance with site documents.

Element 3

Trim timber roof and ceiling framing members for openings on site.

Performance criteria

3.1 Ceiling space access and roof penetration openings are trimmed and framed in accordance with site documents.

Element 4

Complete work operations on site.

Performance criteria

4.1 All operations are safely completed; workplace, tools, plant and equipment are cleaned; and tools, plant and equipment are stored in accordance with work site practice.

Please note

Providers must be accredited by NZQA, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.

Industry Training Organisations must be accredited by NZQA before they can register credits from assessment against unit standards.

Accredited providers and Industry Training Organisations assessing against unit standards must engage with the moderation system that applies to those standards.

Accreditation requirements and an outline of the moderation system that applies to this standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The AMAP also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.

Comments on this unit standard

Please contact the Building and Construction Industry Training Organisation if you wish to suggest changes to the content of this unit standard.

Ó New Zealand Qualifications Authority 2008