NZQA registered unit standard
28161 version 1
Page 1 of 3
Title
Demonstrate knowledge of unfired pressure equipment used in the
energy and chemical industry
Level
3
Purpose
Credits
5
This theory-based unit standard is for entry-level people
working as boiler and energy and chemical process operators.
People credited with this unit standard are able to demonstrate
knowledge of: unfired pressure equipment used in the energy
and chemical industry; and unfired pressure equipment used in
an energy and chemical plant.
Classification
Energy and Chemical Plant > Operation of Energy and
Chemical Plant
Available grade
Achieved
Explanatory notes
1
Definitions
Energy and chemical plant may be in – petrochemical, agri-nutrient, power
generation, dairy processing, meat processing, and wood fibre manufacturing, or
other plants that operate with a combination of high temperatures, pressures, steam
and/or chemicals in gas, liquid or solid form.
Plant – the operational unit, equipment and/or workplace at which the person is
working.
Unfired pressure equipment – equipment that is operated under pressure but is not
directly fired.
2
Legislation relevant to this unit standard includes but is not limited to – Hazardous
Substances and New Organisms Act 1996, Health and Safety in Employment Act
1992, Resource Management Act 1991.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of unfired pressure equipment used in the energy and chemical
industry.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28161 version 1
Page 2 of 3
Evidence requirements
1.1
Types of unfired pressure equipment are identified and described in terms of
their use.
Range
evidence is required of four types.
1.2
The use of carbon steel and alloy steel in the construction of unfired pressure
vessels is explained in terms of its purpose.
1.3
Internal features of unfired pressure vessels are described in terms of their
purpose.
internal features include but are not limited to – impingement
plates, deflectors, stand pipes, boots, trays, packing, demister
pads, weirs, distributors.
Range
1.4
External features of unfired pressure vessels are described in terms of their
purpose.
external features include but are not limited to – gauge glass,
safety valves, compensation plates, instrumentation, vents, drains.
Range
Outcome 2
Demonstrate knowledge of unfired pressure equipment used in an energy and chemical
plant.
Evidence requirements
2.1
Unfired pressure equipment used at a plant are identified and described in
terms of their types.
Range
evidence is required of three types of equipment.
2.2
The different types of unfired pressure equipment are identified and described
in terms of the plant identification coding system and their purpose.
2.3
The components of the unfired pressure equipment are described in term of the
process flows and normal operating parameters of the equipment.
Planned review date
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
24 October 2014
Primary Industry Training Organisation
SSB Code 101558
N/A
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28161 version 1
Page 3 of 3
Consent and Moderation Requirements (CMR) reference
0079
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 Primary Industry Training Organisation standards@primaryito.ac.nz if
you wish to suggest changes to the content of this unit standard.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016