NZQA Expiring unit standard
3235 version 7
Page 1 of 4
Title
Install copper pipe work according to plans and specifications under
supervision
Level
3
Credits
10
Purpose
This unit standard is for people who work, or intend to work, in
the heating, ventilation and air conditioning sector of the
engineering industry. People credited with this unit standard
are able, under supervision, to: procure materials for copper
pipe work installation and set out a job; install hangers, pipes
and fittings and join copper pipe; and test the pipe work.
Classification
Mechanical Engineering > Heating, Ventilating, and Air
Conditioning
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Prerequisite: Unit 2679, Join metals using torch brazing and
soldering or demonstrate equivalent knowledge and skills.
Explanatory notes
1
Work site documents include contracts and any documented installation and
operating procedures for the system, mechanical service, and pipe work to be
installed.
2
All work site practices must meet recognised codes of practice and documented
safety procedures and safety plans (where these exceed code) for personal and work
site safety, and obligations required under current legislation.
3
Installation programme refers to any documented programme for installing the
system (eg, a construction programme).
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
3235 version 7
Page 2 of 4
Outcomes and evidence requirements
Outcome 1
Prepare to install pipe work.
Evidence requirements
1.1
Materials required for job match work site documents and supervisor’s
instructions.
1.2
Quantities of materials requisitioned and received are checked against
inventory.
1.3
Setting out of job is in accordance with work site documents and supervisor’s
instructions.
Outcome 2
Install pipe work.
Evidence requirements
2.1
Hangers are installed to structural and seismic standards specified in work site
documents.
2.2
Copper pipe is cut, bent, fabricated, and joined to the industry standard
specified in work site documents, including purging.
2.3
Hangers and copper pipe are installed and spaced in accordance with work site
documents and operational practice.
2.4
Installation is completed without unplanned cost or waste.
2.5
Installation is completed so that commissioning and maintenance can be carried
out without alteration to installation.
2.6
Installation is completed so that control instructions and identifications can be
read.
2.7
Installation is completed so that conflicts with other systems and components
have been resolved.
2.8
Installation meets installation programme schedule and requirements.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
3235 version 7
Page 3 of 4
Outcome 3
Test the pipe work.
Evidence requirements
3.1
Pipe work test shows pipe work meets operational requirements specified in
work site documents.
3.2
Test record is produced and passed by inspecting authority specified in work
site documents.
Replacement information
This unit standard, unit standard 3234, and unit standard
3237 have been replaced by unit standard 26334.
This unit standard is expiring. Assessment against the standard must take place
before the expiry date set out below.
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
30 January 1995
31 December 2016
Revision
2
14 April 1997
31 December 2016
Revision
3
5 January 1999
31 December 2016
Revision
4
18 May 2001
31 December 2016
Revision
5
16 April 2002
31 December 2016
Review
6
16 July 2010
31 December 2016
Rollover
7
19 November 2015
31 December 2020
Consent and Moderation Requirements (CMR) reference
0013
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, 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 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.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
3235 version 7
Page 4 of 4
Consent requirements and an outline of the moderation system that applies to this
standard are outlined in the 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 Competenz at qualifications@competenz.org.nz if you wish to suggest
changes to the content of this unit standard.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016