23869 version 1
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Demonstrate knowledge of hydrographic surveying in support of
coastal zone management
Level
6
Credits
8
Purpose
This unit standard is for people working in the hydrography sector of the
surveying profession.
People credited with this unit standard are able to demonstrate knowledge of
hydrographic surveying in support of coastal zone management.
Subfield
Surveying
Domain
Hydrography
Status
Registered
Status date
25 February 2008
Date version published
25 February 2008
Planned review date
31 December 2012
Entry information
Open.
Replacement information
This unit standard and unit standard 23868 replaced unit
standard 11148.
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 documentation must be complied with:
TH Standard 31 Standards for Hydrographic Surveys (HYSPEC) v3 (Wellington:
National Topographic/Hydrographic Authority, 2001), available at
http://www.linz.govt.nz;
IHO Standards for Hydrographic Surveys, Special Publication No 44 (Monaco:
International Hydrographic Organisation, 1998) (IHO standards), available at
http://www.iho.shom.fr;
 New Zealand Qualifications Authority 2016
23869 version 1
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Guidelines of Good Practice for Hydrographic Surveys in New Zealand Ports and
Harbours (Wellington: Maritime Safety Authority of New Zealand, 2004), available at
http://www.msa.govt.nz;
World Ocean Circulation Experiment Standard, available from National Institute of
Water and Atmospheric Research, Telephone 0800 746464 (NIWA standard);
job specifications;
equipment manufacturer’s instructions.
2
Definition
Maritime practice refers to documented practices and procedures that meet the
standards of Maritime New Zealand and the International Maritime Organisation.
Elements and performance criteria
Element 1
Demonstrate knowledge of hydrographic surveying in support of coastal zone
management.
Performance criteria
1.1
Techniques for coastal zone management surveys are identified in accordance
with job specifications, HYSPEC, and IHO standards.
Range
surveys at scales of 1:5000 or larger – dredging, harbour, pipeline
outfall, marina;
dredging surveys – pre, interim, post;
evidence is required of five surveys.
1.2
Techniques for examination, search, and removal of obstructions in port and
coastal zones are identified in accordance with HYSPEC and IHO standards.
1.3
Survey requirements particular to dredging surveys are identified in accordance
with job specifications, HYSPEC, and IHO standards.
Range
1.4
requirements – types of dredges, calculation of volumes,
horizontal control, vertical datum, processing of data.
Methods and instrumentation used for water flow surveys are identified in
accordance with job specifications and the NIWA standard.
Range
two water flow surveys.
1.5
Requirements for identifying hazards, and marking hazards and channels with
navigational aids are identified in accordance with HYSPEC and maritime
practice.
1.6
Siltation and erosion processes are identified and explained with respect to the
coastal environment.
Range
one each of – siltation, erosion.
 New Zealand Qualifications Authority 2016
23869 version 1
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1.7
Geotechnical sampling equipment and techniques for the gathering and storing
of samples are identified and described in accordance with job specifications,
the NIWA standard, and maritime practice.
Range
equipment – grab sampler, corer, dredge.
Please note
Providers must be accredited by NZQA, 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 NZQA 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