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.
 New Zealand Qualifications Authority 2016
18730 version 2
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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
2.3
six of – common rafters and jack rafters, outriggers, flying rafters,
hip and valley rafters, ridge, valley boards, ceiling joists, purlins.
Roof framing members are erected and fixed in accordance with site
documents.
 New Zealand Qualifications Authority 2016
18730 version 2
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2.4
Support and bracing systems are set out, cut and fixed in accordance with site
documents.
Range
2.5
six of – under purlins, struts, strutting beams, collar ties and cleats,
roof space braces, roof plane braces, purlins and ceiling battens,
dragon ties.
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
national.office@bcito.org.nz if you wish to suggest changes to the content of this unit
standard.
 New Zealand Qualifications Authority 2016