NZQA registered unit standard
Title
Weld wide bandsaws
Level
4
652 version 5
Page 1 of 4
Credits
15
Purpose
People credited with this unit standard are able to: manage
hazards associated with welding wide bandsaws; clean and
prepare wide bandsaws for welding; weld wide bandsaws; heat
treat welded area; and dress welds.
Classification
Solid Wood Manufacturing > Saw Doctoring
Available grade
Achieved
Explanatory notes
1
Range
welding equipment – MIG welder, TIG torch;
welds – evidence is required of one butt weld, and one of: vee; crack; or tooth.
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
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.
3
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
Manage hazards associated with welding wide bandsaws.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
652 version 5
Page 2 of 4
Evidence requirements
1.1
Hazards associated with welding wide bandsaws are identified and actions to
be taken to isolate, minimise or eliminate the hazard are described in
accordance with worksite policies and procedures.
Range
1.2
hazards may include but are not limited to – eye damage, sparks,
hot objects, sharp objects.
Safe work practices associated with welding wide bandsaws are identified and
used in accordance with worksite policies and procedures and legislative
requirements.
Range
practices may include but are not limited to – isolation procedures,
lock-outs, emergency stops, machine guarding, wearing
appropriate safety equipment.
Outcome 2
Clean and prepare wide bandsaws for welding.
Evidence requirements
2.1
Saw and work areas are cleaned of all foreign matter that could affect the
welding process.
2.2
For butt welding, saw ends are checked for flatness and squareness.
2.3
Welding equipment is selected, assembled, and prepared, in accordance with
worksite policies and procedures.
Range
preparation includes but is not limited to – manual anvil pre-heated
or auto table set to required temperature.
2.4
Saw is positioned and clamped to prevent movement during further processing.
2.5
Weld line is pre-heated to dull blue colour.
2.6
Weld is tagged at both ends.
Outcome 3
Weld wide bandsaws.
Evidence requirements
3.1
Weld penetrates the full depth of the saw for the full length of the weld.
3.2
Weld is free of defects.
Range
Competenz
SSB Code 101571
uneven bead, blow-out, porosity (holes), cracking.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
652 version 5
Page 3 of 4
Outcome 4
Heat treat welded area.
Evidence requirements
4.1
Welded area is annealed, air cooled and tempered to manufacturer’s
specifications for time and temperature.
4.2
Weld structure and hardness resemble those of parent material.
Outcome 5
Dress welds.
Evidence requirements
5.1
Weld is dressed to the same thickness as the parent metal.
Range
5.2
disc or belt sander or file.
Weld surface is smooth polished.
Range
belt sander or emery cloth.
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
27 January 1994
31 December 2015
Review
2
24 October 1996
31 December 2015
Review
3
10 February 1999
31 December 2015
Review
4
18 December 2006
31 December 2015
Review
5
20 March 2014
N/A
Consent and Moderation Requirements (CMR) reference
0173
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.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
652 version 5
Page 4 of 4
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 Competenz 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