Demonstrate knowledge of self-propelled rollers in civil construction
22271 version 1
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Demonstrate knowledge of self-propelled rollers in civil construction
Level 3
Credits 3
Purpose People credited with this unit standard are able to demonstrate knowledge of self-propelled rollers in civil construction.
Subfield Civil Plant Operation and Management
Domain
Status
Status date
Date version published
Civil Plant Operation
Registered
25 September 2006
25 September 2006
Planned review date
Entry information
31 December 2012
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
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.
New Zealand Qualifications Authority 2020
22271 version 1
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Elements and performance criteria
Element 1
Demonstrate knowledge of self-propelled rollers in civil construction.
Performance criteria
1.1 Self-propelled rollers are identified in terms of their types.
Range types – smooth-wheeled, drum, static, grid, pneumatic, multi-tyred, vibrating, sheepsfoot.
1.2 Rollers are described in terms of the effect of their static weight, impact force, and vibration on various materials.
Range frequency and amplitude; materials include but are not limited to – silt, clay, aggregates.
1.3 Ballasting is described in terms of adding and removing ballast and its use for specific jobs.
1.4 Rolling is described in terms of the effects of layer thickness, watering, drying, speed, ballasting, roller weight, roller pressures, and density and water content.
Range surface conditions, surface response, specified stages.
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.
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 2020
