22272 version 1
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Demonstrate knowledge of bulldozers in civil construction
Level
3
Credits
3
Purpose
People credited with this unit standard are able to demonstrate knowledge of
bulldozers in civil construction.
Subfield
Civil Plant Operation and Management
Domain
Civil Plant Operation
Status
Registered
Status date
25 September 2006
Date version published
25 September 2006
Planned review date
31 December 2012
Entry information
Open.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
Infrastructure ITO
Accreditation and Moderation Action Plan (AMAP) reference
0101
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
Assessment against this unit standard may take place in a workplace and/or provider
environment.
Assessment parameters will be dependent on company and site specific equipment,
procedures, and practices. Practices must reflect industry best practice and comply
with legislative requirements.
2
Definitions
Manufacturer’s instructions may include specifications, installation, handling, use and
maintenance instructions and safety data sheets.
Batter refers to an earthworks cut or wall with a sloping face.
Bench refers to an earthwork ledge.
 New Zealand Qualifications Authority 2016
22272 version 1
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Elements and performance criteria
Element 1
Demonstrate knowledge of bulldozers in civil construction.
Performance criteria
1.1
Bulldozers are identified in terms of their components.
Range
1.2
Bulldozer attachments are identified in terms of their functions.
Range
1.3
components – operator equipment, tracks and track rollers,
engine, frame, transmission, power shift, direct drive and final
drives, steering clutches, brakes, under carriage, track adjusters,
idlers.
blades – straight, angling, pusher, bull;
rippers – parallelogram, hinged, swivel, shank and ripper tips;
winches and hydraulic control;
scoops – cable, hydraulic;
ground-engaging tools – rake, scraper, towed roller;
functions may include – rip, clear, push, stockpile, excavate,
winch, cut drain, cut bench, cut batter, cut to fill, trim, backfill,
push-load, scrape, lay cable, tow plant.
The fitting and removal of bulldozer attachments is described in accordance
with manufacturer’s instructions.
Range
attachments may include – blade, rippers, rake, scraper, towed
roller, winch.
Please note
Providers must be accredited by the Qualifications Authority, 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 accredited by the Qualifications Authority before
they can register credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
 New Zealand Qualifications Authority 2016
22272 version 1
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Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP 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 Infrastructure ITO askus@infratrain.co.nz if you wish to suggest changes to
the content of this unit standard.
 New Zealand Qualifications Authority 2016