NZQA Expiring unit standard
Title Install glass in timber joinery
20515 version 4
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Level
Purpose
4 Credits 5
This unit standard is for experienced people working in the glazing industry.
People credited with this unit standard are able to: demonstrate knowledge of glazing systems for glazing timber joinery; and prepare to install and install glass in timber joinery.
Classification Glass and Glazing > Flat Glass
Available grade Achieved
Explanatory notes
1 Definition
Worksite requirements
– refer to instructions to staff on policy and procedures which are documented in memo or manual format and are available in the workplace.
These requirements include but are not limited to – company specifications and procedures, work instructions, manufacturer’s specifications, product quality specifications, legislative requirements.
2 All work to be done in accordance with the requirements of the Health and Safety in
Employment Act 1992, Building Act 2004, New Zealand Standard (NZS) 4223.3:1999
Code of practice for glazing in buildings
– Human impact safety requirements
, NZS
4223.4:2008 Code of practice for glazing in buildings – Wind, dead, snow, and live actions , available at http://www.standards.co.nz
.
3 This unit standard applies to annealed, toughened, laminated, and leadlight glass.
Outcome 1
Demonstrate knowledge of glazing systems for glazing timber joinery.
Range includes but is not limited to
– putty fronting, bead glazing with putty, bead glazing with butyl tape, bead glazing with foam tape, bead glazing with sealants, combination methods.
Evidence requirements
1.1 Installation process for each glazing system used for glazing timber joinery is described in accordance with worksite requirements.
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New Zealand Qualifications Authority 2020 Building and Construction Industry Training
Organisation
SSB Code 101562

NZQA Expiring unit standard
1.2
20515 version 4
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Sealant and glazing materials used for glazing timber joinery are identified in accordance with worksite requirements.
Range evidence is required for each of the glazing systems in the element range.
Outcome 2
Prepare to install glass in timber joinery.
Evidence requirements
2.1 Selection of glazing materials and sealants reflects their suitability for the installation method and the job specifications for the work.
2.2 All necessary equipment, tools, and installation materials are checked and assembled before work begins in accordance with worksite requirements.
2.3 Timber frame to be glazed is checked in accordance with worksite requirements.
Range includes but is not limited to – obstruction free, clean, dry, primed and/or sealed, compatibility with glazing material and glazing system.
Outcome 3
Install glass in timber joinery.
Evidence requirements
3.1 Installation of glass meets job specifications and worksite requirements.
Range requirements include but are not limited to – correct blocking, glass is plumb and square, tapes are sealed at corners, putty meets correct angle and site line, tooled joints are finished correctly.
3.2 Operations are completed without injury to personnel or damage to product and equipment in accordance with job specifications and worksite requirements.
3.3 Installation is cleaned and work area is left clear and cleaned in accordance with worksite requirements.
3.4 Customer is advised of any relevant maintenance requirements in accordance with worksite requirements.

New Zealand Qualifications Authority 2020 Building and Construction Industry Training
Organisation
SSB Code 101562

NZQA Expiring unit standard
Replacement information
20515 version 4
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This unit standard, unit standard 20516, and unit standard 20517 were replaced by unit standard 28757
This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process Version Date Last Date for Assessment
Registration
Review
1
2
27 April 2004
21 May 2010
31 December 2017
31 December 2017
Review 3 18 June 2015 31 December 2017
Rollover 4 15 October 2015 31 December 2020
Consent and Moderation Requirements (CMR) reference 0073
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do
.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR 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.
Building and Construction Industry Training
Organisation
SSB Code 101562

New Zealand Qualifications Authority 2020