NZQA registered unit standard
19612 version 3
Page 1 of 2
Title
Demonstrate knowledge of glass properties
Level
3
Purpose
Credits
5
This theory-based entry-level unit standard is for people who
work in the glass processing or glazing sectors of the glass
industry.
People credited with this unit standard are able to demonstrate
knowledge of glass properties.
Classification
Glass and Glazing > General Glass and Glazing
Available grade
Achieved
Explanatory notes
In the context of this unit standard, selected references are those documents or parts of
documents identified as standard references by the industry.
New Zealand Standards (NZS)
NZS 4223 Parts 1 and 2:1985 Code of practice for glazing in buildings;
NZS 4223.3:1999 Glazing in buildings - Human impact safety requirements;
NZS 4223.4:2008 Glazing in buildings - Wind, dead, snow and live actions.
Australian and New Zealand Standards (AS/NZS)
AS/NZS 4666:2012 Insulating glass units;
AS/NZS 4667:2000 Quality requirements for cut-to-size and processed glass;
AS/NZS 4668:2000 Glossary of terms used in the glass and glazing industry.
The industry-endorsed list of catalogues and reference guides is available from the
Building and Construction Industry Training Organisation.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of glass properties.
Evidence requirements
1.1
The general properties of glass are identified and described in terms of
composition, and affects of variation of component materials.
1.2
The physical properties of glass are identified and described in terms of
thickness, weight, size, strength, and breakage characteristics.
Building and Construction Industry Training
Organisation
SSB Code 101562
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
19612 version 3
Page 2 of 2
1.3
The solar properties and performance data of glass are identified and described
in terms of light and heat reflection and transmission, shading coefficients, and
ultraviolet values and elimination.
1.4
The sound properties of glass are identified and described in terms of
transmission loss and class, and sound and damage weighted transmission.
1.5
Glass properties are identified and described in terms of the selected
references.
Planned review date
31 December 2020
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
20 September 2002
31 December 2013
Review
2
21 November 2008
31 December 2017
Review
3
18 June 2015
N/A
Consent and Moderation Requirements (CMR) reference
0048
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.
Comments on this unit standard
Please contact the Building and Construction Industry Training Organisation
info@bcito.org.nz if you wish to suggest changes to the content of this unit standard.
Building and Construction Industry Training
Organisation
SSB Code 101562
 New Zealand Qualifications Authority 2016