NZQA registered unit standard
22114 version 3
Page 1 of 3
Title
Demonstrate knowledge of stormwater systems and their
maintenance, management and treatment options
Level
4
Purpose
Credits
5
People credited with this unit standard are able to demonstrate
knowledge of: the components of stormwater systems, their
function and maintenance; stormwater flows and their
management; and stormwater quality and treatment options.
This unit standard is for people who supervise maintenance
and operations in water reticulation, and people who work in
specialist water reticulation activities.
Classification
Water Industry > Water Reticulation
Available grade
Achieved
Explanatory notes
1
Legislation includes but is not limited to the Resource Management Act 1991.
2
Definition
Water reticulation – in this context refers to all pipe systems, pumping systems, and
components that contribute to the collection and disposal of wastewater and
stormwater.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of the components of stormwater systems, their function and
maintenance.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
22114 version 3
Page 2 of 3
Evidence requirements
1.1
Components of stormwater systems are described in terms of their features.
Range
1.2
Components of stormwater systems are described in terms of their function.
Range
1.3
includes but is not limited to – property drainage, open drains,
cesspits, downpipes, manholes, streams, canals, pipe systems,
street drainage, ponds, flapgates, penstocks.
Stormwater pipes are described in terms of their design features and capacity.
Range
1.4
includes but is not limited to – property drainage, open drains,
cesspits, downpipes, manholes, streams, canals, pipe systems,
street drainage, ponds, flapgates, penstocks.
inlet and outlet structures, retention ponds.
Stormwater system maintenance is described in terms of the procedures and
requirements.
Outcome 2
Demonstrate knowledge of stormwater flows and their management.
Evidence requirements
2.1
Stormwater flows are described and differentiated in terms of causes and
effects of variations of flow.
Range
2.2
peak flow, wet weather flow.
Stormwater flows are described in terms of their management.
Range
includes but is not limited to – retention dams, secondary flow
paths.
Outcome 3
Demonstrate knowledge of stormwater quality and treatment options.
Evidence requirements
3.1
Stormwater is described in terms of the management of water quality.
3.2
Silt control, and stormwater treatment options are described for specified
situations.
Range
includes but is not limited to – emergencies – oil spill, pollution;
runoff from earthworks, pollutional load after rainfall.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Planned review date
22114 version 3
Page 3 of 3
31 December 2016
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
26 October 2005
31 December 2016
Rollover
2
20 February 2009
31 December 2016
Rollover
3
21 July 2011
N/A
Consent and Moderation Requirements (CMR) reference
0179
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 (CMRs). 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 Primary Industry Training Organisation standards@primaryito.ac.nz if
you wish to suggest changes to the content of this unit standard.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016