NZQA registered unit standard
18573 version 5
Page 1 of 3
Title
Demonstrate knowledge of principles and practices of lamb and
sheep pelt liming, deliming and bating
Level
3
Credits
Purpose
8
This unit standard is for people new to the fellmongery or
leather processing industries.
People credited with this unit standard are able to: describe
processing vessels used for lamb and sheep pelt processing;
describe lamb and sheep pelt liming; and demonstrate
knowledge of lamb and sheep pelt deliming and bating.
Classification
Fellmongery and Leather Processing > Fellmongery
Processing Knowledge
Available grade
Achieved
Explanatory notes
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
Describe processing vessels used for lamb and sheep pelt processing.
Evidence requirements
1.1
The different types of vessels used for pelt processing are described in terms of
their advantages and disadvantages.
Range
vessels may include but are not limited to – dollies, drums, mixers.
Outcome 2
Describe lamb and sheep pelt liming.
Primary Industry Training Organisation
Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
18573 version 5
Page 2 of 3
Evidence requirements
2.1
The process of pelt liming is described in terms of its principles, purposes and
practices.
Range
2.2
Liming chemicals are identified and described in terms of their use in the liming
process.
Range
2.3
practices may include but are not limited to – dolly liming, drum or
mixer liming.
chemicals may include but are not limited to – hydrated lime,
sodium sulphide.
Liming methods are identified and described in terms of their effectiveness.
Range
effectiveness may include but is not limited to – control of the
process, testing (alkalinity, sulphides).
Outcome 3
Demonstrate knowledge of lamb and sheep pelt deliming and bating.
Evidence requirements
3.1
The principles and purposes of the deliming process are described in terms of
the removal of alkali and the lowering of pH levels.
3.2
Deliming agents are identified and described in terms of their use in the
deliming process.
Range
deliming agents may include but are not limited to – ammonium
salts, boric acid, carbon dioxide.
3.3
The principles and purposes of bating are described in terms of pelt quality.
3.4
Deliming and bating methods are identified and described in terms of controls.
Range
3.5
controls may include but are not limited to – time, temperature, pH.
The purpose of washout in the process of bating is described in terms of time
and pelt quality.
Planned review date
31 December 2017
Primary Industry Training Organisation
Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
18573 version 5
Page 3 of 3
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
26 September 2001
31December 2013
Review
2
24 November 2005
31 December 2013
Review
3
19 June 2009
31December 2013
Review
4
19 April 2012
31 December 2015
Review
5
21 February 2013
N/A
Consent and Moderation Requirements (CMR) reference
0033
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
Code 101558
 New Zealand Qualifications Authority 2016