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Produce a topographical survey plan
Level
5
Credits
8
Purpose
This unit standard is for people working, or who intend to work, in the
surveying profession as a survey technician.
People credited with this unit standard are able to: prepare for a
topographical survey; perform a topographical survey; process field
observations from the topographical survey; and develop and present a
topographical plan.
Subfield
Surveying
Domain
Survey Practice
Status
Registered
Status date
25 February 2008
Date version published
25 February 2008
Planned review date
31 December 2012
Entry information
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
1
Evidence for this unit standard must comprise a topographical plan for an urban
development site with existing services. The plan must be produced using computer
aided design software.
2
A reference for this unit standard is: Price, WF, and Uren, J, Surveying for Engineers
(UK: Palgrave Macmillan 2005), available at http://www.fishpond.co.nz.
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Definitions
Job requirements take account of site conditions to meet contract specifications, and
accord with procedures and work instructions written in quality manuals.
Workplace procedures refer to documented procedures specific to an enterprise
which set out the quality management requirements for the business practice and
activities of that enterprise.
Elements and performance criteria
Element 1
Prepare for a topographical survey.
Performance criteria
1.1
Job requirements are determined in accordance with workplace procedures.
Range
requirements include – spot levels, contours, physical features,
buried services, boundaries.
1.2
Survey methods and equipment are selected in accordance with job and
accuracy requirements.
1.3
The plan scale, contour interval, and level of detail are identified in accordance
with job requirements.
1.4
Feature coding is chosen to suit the task within software capabilities in
accordance with workplace procedures.
Element 2
Perform a topographical survey.
Performance criteria
2.1
Features, breaklines, strings, and ground heights are surveyed in accordance
with job requirements.
2.2
Spot height density is surveyed to accurately reflect ground topography in
accordance with job requirements.
Element 3
Process field observations from the topographical survey.
Performance criteria
3.1
Field data are reduced in accordance with triangulated irregular network
software instructions.
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3.2
Analysis of the triangulated irregular network eliminates errors and omissions
from the data in accordance with software instructions.
Range
3.3
triangle orientation, long triangle, breaklines, include boundary,
exclude boundary.
Contours are generated using computer-aided design in accordance with job
requirements.
Element 4
Develop and present a topographical plan.
Performance criteria
4.1
The draft topographical plan is developed in accordance with client
requirements for format.
Range
4.2
The reliability of the draft topographical plan is confirmed by a field audit that is
documented to suit the task.
Range
4.3
format – electronic, printed.
includes but is not limited to – scale, contour interval, level of
detail.
The final topographical plan is presented in accordance with workplace
procedures.
Range
presentation includes but is not limited to – title block, scale bar,
north point, legend, symbols, limitations, disclaimers, datum notes,
contour interval, contour label, boundaries.
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.
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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