NZQA registered unit standard
20759 version 2
Page 1 of 4
Title
Air dry timber or round wood
Level
3
Purpose
Credits
3
People credited with this unit standard are able to: demonstrate
knowledge of air drying of timber or round wood; and air dry
timber or round wood.
This unit standard is for people who are engaged in the air
drying of timber or round wood.
Classification
Solid Wood Manufacturing > Timber Drying and Treatment
Available grade
Achieved
Entry information
Recommended skills
and knowledge
Unit 143, Fillet timber for further processing; Unit 159,
Demonstrate knowledge of environmental issues in wood
manufacturing industries; and Unit 162, Demonstrate
knowledge of the principles of wood drying.
Explanatory notes
1
Reference
Competence in this unit standard requires knowledge of the Approved Code of
Practice for Safety and Health in Forest Operations, Part 5: Timber Stacking,
Packeting and Transportation (Wellington: Occupational Safety and Health Service of
the Department of Labour, 1994); available from Bennett’s Government Bookshops
or online at http://www.osh.govt.nz. This is referred to below as the ‘OSH Approved
Code of Practice’.
2
The following apply to the performance of all outcomes of this unit standard:
a
All work practices must meet recognised codes of practice and documented
worksite health and safety and environmental procedures (where these exceed
the code) for personal, product and worksite health and safety, and must meet
the obligations required under current legislation, including the Health and
Safety in Employment Act 1992, the Resource Management Act 1991, and their
subsequent amendments.
b
All work practices must meet documented worksite operating procedures. This
includes the recording (by electronic or non-electronic means) of activities,
events, and decisions.
c
All evidence of communications gathered in relation to this unit standard must
be in accordance with worksite procedures for content, recipient, timing and
method.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
3
20759 version 2
Page 2 of 4
Definition
Worksite policies and procedures refer to documented policies and to documented or
other directions provided to staff. These include, but are not limited to, ways of
managing health and safety, environmental considerations, quality, and production,
and must conform to legislation. Examples include standard operating procedures,
company health and safety plans, on-site briefings, and supervisor’s instructions.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of air drying of timber or round wood.
Evidence requirements
1.1
The theory of air movement in relation to air drying is explained.
1.2
The importance of drainage, airflow, and phytosanitary conditions in yard siting
with relation to other process requirements, ease of access and stack rotation,
and layout are explained in accordance with the OSH Approved Code of
Practice and worksite policies and procedures.
1.3
Timber or round wood stack requirements are identified in accordance with the
OSH Approved Code of Practice and worksite policies and procedures.
Range
packet build, alignment to prevailing wind, stack heights, stack
height above ground, stack spacing, bearers, safety aspects,
packet, stack identification and date in stack.
1.4
Benefits of using stack covers and antisapstain are explained in accordance
with worksite policies and procedures.
1.5
Phytosanitary procedures and remedial action are described in accordance with
the OSH Approved Code of Practice and worksite policies and procedures.
Range
weed control, insect and/or fungal degraded timber, degrade hot
spots.
1.6
Advantages and disadvantages of air drying compared with kiln drying are
described in terms of time, energy, inventory costs, defects, yard space, and
management cost.
1.7
Types of air drying defects are identified and causes explained.
Range
poor rotation, insect, rot, poor filleting, poor stacking, forklift.
Outcome 2
Air dry timber or round wood.
Evidence requirements
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
2.1
Hazards associated with air drying timber or round wood are identified and
actions to be taken to isolate, minimise or eliminate the hazard are described in
accordance with worksite policies and procedures.
hazards may include but are not limited to – dust, noise, moving
equipment.
Range
2.2
20759 version 2
Page 3 of 4
Safe work practices and housekeeping requirements associated with air drying
timber or round wood are identified and used in accordance with worksite
policies and procedures and legislative requirements.
practices may include but are not limited to – isolation procedures,
manual handling techniques, wearing appropriate safety
equipment.
Range
2.3
Drying times are estimated with regard to species, seasonal influences, regional
variations and yard location.
2.4
Moisture content is measured and compared with specifications in accordance
with worksite policies and procedures.
2.5
Timber or roundwood product is inspected for defects, and corrective action is
identified and taken in accordance with worksite policies and procedures.
2.6
Air dried timber or roundwood is de-filleted, bundled and identified in
accordance with worksite policies and procedures.
2.7
Approved dry storage conditions and location are identified and used in
accordance with worksite policies and procedures.
2.8
Records and documentation are completed in accordance with worksite policies
and procedures.
Planned review date
31 December 2018
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
18 December 2006
31 December 2014
Review
2
18 April 2013
N/A
Consent and Moderation Requirements (CMR) reference
0173
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
20759 version 2
Page 4 of 4
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 (CMRs). 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 Competenz at info@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