17330 version 2
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Demonstrate knowledge of the set-out and maintenance of road
drainage systems
Level
3
Credits
5
Purpose
People credited with this unit standard are able to describe the set-out of
stormwater and subsoil drainage systems, and drainage system
maintenance.
Subfield
Highway Construction and Maintenance
Domain
Road Construction
Status
Registered
Status date
25 September 2006
Date version published
25 September 2006
Planned review date
31 December 2012
Entry information
Recommended: Unit 6479, Locate and identify services
on civil construction works; or demonstrate equivalent
knowledge and skills.
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
The following legislation and regulations must be complied with: Health and Safety in
Employment Act 1992; and Health and Safety in Employment Regulations 1995.
2
Assessment against this unit standard must take place in a workplace 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 2016
17330 version 2
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3
Definitions
Company requirements include the policy, procedures, and methodologies of the
company. They include legislative and regulatory requirements which may apply
across the company or to 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.
Set-out means to set out site by survey method using pegs.
Road controlling authority in relation to a road, means the Minister, Department of
State, Crown entity, State enterprise, or territorial authority that controls the road.
Elements and performance criteria
Element 1
Describe the set-out of stormwater and subsoil drainage systems.
Performance criteria
1.1
Options for setting-out drainage lines are described in terms of drainage
situation.
Range
situations – open drain, subsoil drain, piped drain;
options may include – laser, boning rods, string lines.
1.2
Trench width is determined in accordance with road controlling authority
specifications.
1.3
Options for achieving the depth and gradient of trenching are described in
accordance with company requirements.
Range
options include – laser, sight bars, boning rods, spirit levels.
Element 2
Describe drainage system maintenance.
Performance criteria
2.1
Description identifies maintenance of pavement drainage, sumps, piped
stormwater drains, and subsoil drainage in accordance with company
requirements.
2.2
Description identifies inspection methods for the maintenance of drains,
culverts, and sumps in accordance with company requirements.
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.
 New Zealand Qualifications Authority 2016
17330 version 2
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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 2016