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Elements and Performance Criteria

  1. Prepare to perform geodetic surveying.
  2. Perform computations on the reference surface.
  3. Perform computations on the projection plane.
  4. Finalise the task.

Required Skills

This section describes the essential skills and knowledge and their level required for this unit

Required skills

ability to relate to people from a range of social cultural and ethnic backgrounds and with a range of physical and mental abilities

analytical skills

communication skills to

consult effectively with clients and colleagues

impart knowledge and ideas through oral written and visual means

computer skills high technical user level to complete business documentation and apply surveying software

create extract and output information from engineering plans

literacy skills to

assess and use workplace information

locate and interpret legislation and other written documentation

prepare and manage documentation

read and write technical reports

research and evaluate

numeracy skills to

analyse errors

conduct image analysis

interpret and analyse statistics

perform mental calculations

record with accuracy and precision

undertake high level computations

organisational skills to

coordinate technical and human resource inputs to research activities

prioritise activities to meet contractual requirements

spatial skills to

exercise precision and accuracy in geodetic computations

perform spatial data archival and retrieval and train others in this task

perform spatial data management and manipulation and train others in this task

perform file management and train others in this task

solve problems relating to height depth breadth dimension direction and position in actual operational activity and virtual representation

understand implications of height depth breadth dimension and position to actual operational activity and virtual representation

Required knowledge and understanding

data formats

data management

data processing

apply the basic principles of algebra geometry and trigonometry

geodetic computations using appropriate computing aids including appropriate software

industry requirements and standards

interaction of surveying software with surveying equipment

organisational policies and guidelines

planning and control processes

relationships between different surfaces

safe work practices

spatial reference systems

plan design and presentation conventions

understanding and application of significance in calculations

vocational issues involving relevant reference surface and relevant projection surface

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge the range statement and the Assessment Guidelines for this Training Package

Overview of assessment

This unit of competency could be assessed on its own or in combination with other units relevant to the job function for example unit CPPSISA Manage advanced surveying computations

This unit of competency could be assessed on its own or in combination with other units relevant to the job function, for example unit CPPSIS5023A Manage advanced surveying computations.

Critical aspects for assessment and evidence required to demonstrate competency in this unit

A person who demonstrates competency in this unit must be able to provide evidence of

applying checks wherever necessary

applying formulae appropriately and obtaining correct results

applying solutions to a range of problems

assessing and recording computations from varied sources

defining terms used in geodetic surveying calculations

demonstrating a sound understanding of the requirement for accuracy in calculations

understanding mathematical concepts and techniques

performing calculations in a logical progression to solve geodetic surveying problems

taking responsibility for own outputs in work and learning

Specific resources for assessment

Resource implications for assessment include access to

assessment instruments including personal planner and assessment record book

assignment instructions work plans and schedules policy documents and duty statements

registered training provider of assessment services

relevant guidelines regulations and codes of practice

suitable venue and equipment

Access must be provided to appropriate learning and assessment support when required

Where applicable physical resources should include equipment modified for people with disabilities

Context of assessment

Holistic based on the performance criteria evidence guide range statement and required skills and knowledge

Method of assessment

Demonstrated over a period of time and observed by the assessor or assessment team working together to conduct the assessment

Demonstrated competency in a range of situations that may include customerworkplace interruptions and involvement in related activities normally experienced in the workplace

Obtained by observing activities in the field and reviewing induction information If this is not practicable observation in realistic simulated environments may be substituted

Guidance information for assessment

Assessment requires that the clients objectives and industry expectations are met If the clients objectives are narrowly defined or not representative of industry needs it may be necessary to refer to portfolio case studies of a variety of spatial information services requirements to assess competency

Oral questioning or written assessment and hypothetical situations scenarios may be used to assess underpinning knowledge in assessment situations where the candidate is offered a preference between oral questioning or written assessment questions are to be identical

Supplementary evidence may be obtained from relevant authenticated correspondence from existing supervisors team leaders or specialist training staff

All practical demonstration must adhere to the safety and environmental regulations relevant to each State or Territory

Where assessment is for the purpose of recognition recognition of current competencies RCC or recognition of prior learning RPL the evidence provided will need to be authenticated and show that it represents competency demonstrated over a period of time

In all cases where practical assessment is used it will be combined with targeted questioning to assess the underpinning knowledge

Assessment processes will be appropriate to the language and literacy levels of the candidate and any cultural issues that may affect responses to the questions and will reflect the requirements of the competency and the work being performed


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording in the performance criteria is detailed below. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts.

Geodetic surveying refers to:

surveying that takes into account the shape and size of the earth: points are marked on the ground to which topographic, land and engineering surveys can be related to provide additional coordinated points for mapping and other purposes.

Objectives may include:

agreed client requirements

written survey data specifications.

Pertinent standards are standards essential to the accuracy of:

calculation of horizontal and vertical information

fixing lines for maintaining areas

measurement

missing measurements

recording.

Project specifications refer to:

detailed technical descriptions of the survey data and its requirements.

Resource requirements may include:

calculators

computers

geodetic tables

software.

OHS may include:

Australian standards

development of site safety plan

identification of potential hazards

inspection of work sites

training staff in OHS requirements

use of personal protective clothing

use of safety equipment and signage.

Reference surface may include:

relevant reference ellipsoid

sphere.

Data may be:

measured or otherwise

geodetic data derived from:

global positioning system

total station.

Geodetic components may include:

geodetic control: a network of sites for which precise positions and heights are known and for which the shape and size of the earth are taken into account

geodetic latitude: the smaller angle to the earth's ellipsoid at the point and the plane of the equator

geodetic parameters

other information required on the relevant surface or projection plane.

Organisational documented and undocumented practices may include:

appropriate timelines

data processing requirements

final product formats

formal design parameters

teamwork.

Projection plane refers to:

any plane surface mathematically derived by a projection from a reference surface.

Required documentation may include:

field records

final product reports

survey plots.

Organisational guidelines may include:

code of ethics

company policy

legislation relevant to the work or service function, including equal employment opportunity (EEO)

manuals

OHS policies and procedures

personnel practices and guidelines outlining work roles and responsibilities.

Relevant personnel may include:

managers

site personnel such as field hands

supervisors

surveyors.