NZQA registered unit standard
6477 version 6
Page 1 of 3
Title
Identify, hand spread, and assist in compacting materials for
infrastructure works
Level
2
Credits
3
Purpose
People credited with this unit standard are able to: identify and
describe infrastructure works materials and compaction;
prepare for compacting operations; accept and hand spread
materials; and assist with compaction of materials.
Classification
Infrastructure Works > Generic Infrastructure Works
Available grade
Achieved
Explanatory notes
1
The following code of practice must be complied with: Code of Practice for Manual
Handling (Wellington: Department of Labour, 2001). It is available from the
Occupational Safety and Health service at http://www.business.dol.govt.nz
2
Assessment against this unit standard must take place in a workplace environment.
Assessment parameters will depend on company and site specific equipment,
procedures, and practices. Practices must reflect industry best practice and comply
with legislative requirements.
3
Definitions
Company requirements include the policy, procedures, and methodologies of the
company. They include legislative and regulatory requirements applicable to the
company or a specific site. Requirements are documented in the company’s health
and safety plans, traffic management plans, contract work programmes, quality
assurance programmes, policies, and procedural documents.
Job instructions are those given to the operator prior to undertaking a job. They may
include site safety instructions, contract drawings, and written memos.
Outcomes and evidence requirements
Outcome 1
Identify and describe infrastructure works materials and compaction.
Evidence requirements
1.1
The terms durability, grade, and cleanliness are explained in relation to
infrastructure works materials.
1.2
Types of aggregates are identified and described.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Range
1.3
hardfill, sub-base grade, base course grade, topcourse grade,
running course, sealing chips, drainage, bedding.
Types of manufactured mixes are identified and described.
Range
1.4
6477 version 6
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asphaltic concrete, cold mix.
Compaction equipment is identified and compaction techniques are explained
according to company requirements.
Range
plate compactor, roller, tamper.
Outcome 2
Prepare for compacting operations.
Evidence requirements
2.1
Job instructions are confirmed with supervisor in accordance with company
requirements.
Range
2.2
location and extent of works, material type, depth of fill,
compaction requirements.
Tools and equipment are selected in accordance with supervisor’s instructions.
Range
may include but is not limited to – hand shovels, rake, broom,
wheelbarrow, screed, tamper.
Outcome 3
Accept and hand spread materials.
Evidence requirements
3.1
Delivered material is accepted in accordance with job instructions for grade,
mix, and quality.
3.2
Materials are hand spread in accordance with supervisor’s instructions.
Outcome 4
Assist with compaction of materials.
Evidence requirements
4.1
Material is placed in layers for compacting in accordance with job instructions.
4.2
Water is added to dense aggregates to assist compaction in accordance with
company requirements.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
4.3
6477 version 6
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Surface finish matches adjacent surfaces and job instructions.
Planned review date
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
30 July 1996
31 December 2014
Revision
2
9 March 1999
31 December 2014
Review
3
30 May 2000
31 December 2014
Review
4
25 September 2006
31 December 2014
Review
5
18 February 2011
31 December 2016
Review
6
19 February 2015
N/A
Consent and Moderation Requirements (CMR) reference
0101
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 Infrastructure ITO qualifications@infrastructureito.org.nz if you wish to
suggest changes to the content of this unit standard.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016