List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the range of conditions. |
1. | Prepare for geodetic surveying computations. | 1.1. | Task requirements are identified and required geodetic computations determined in consultation with appropriate persons. |
| 1.2. | Industry-accepted standards relating to accuracy and tolerances are identified according to organisational requirements. |
| 1.3. | Computational equipment is selected according to task and organisational requirements. |
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2. | Perform computations on reference surface. | 2.1. | Relevant reference surface is selected according to required geodetic computations. |
| 2.2. | Geodetic data is reduced to identified reference surface according to industry-accepted standards and using computational equipment. |
| 2.3. | Geodetic components for reference surface are identified and computed according to industry-accepted standards. |
| 2.4. | Computations on reference surface are identified and performed according to standards. |
| 2.5. | Reference surface computations are checked and problems resolved according to standards and organisational requirements. |
| 2.6. | Reference surface (spheroid) coordinates are converted to projection plane coordinates according to standards. |
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3. | Perform computations on projection plane. | 3.1. | Relevant projection plane is selected according to required geodetic computations. |
| 3.2. | Data is reduced to required projection plane according to standards. |
| 3.3. | Geodetic components for projection plane are identified and computed according to standards. |
| 3.4. | Projection plane coordinates are converted to reference surface (spheroid) coordinates according to standards. |
A person demonstrating competency in this unit must satisfy the requirements of the elements, performance criteria, foundation skills and range of conditions of this unit. The person must also accurately perform geodetic surveying computations for two different surveying tasks.
While performing the above geodetic surveying computations, the person must:
apply formulas to geodetic data and obtain correct results
communicate clearly with others to clarify work tasks
comply with organisational requirements and relevant standards essential to accuracy of:
calculating geodetic data
recording computations
exercise precision and accuracy in geodetic computations
perform calculations in a logical progression to solve geodetic surveying problems
perform point to point calculations on:
projection plane
spheroid
relate reference surfaces to geodetic components
check accuracy of computations and resolve errors
select and use the following computational equipment to perform geodetic surveying computations: scientific or programmable calculator or a software application that includes surveying calculations
comply with organisational requirements relating to completing records and documentation.
A person demonstrating competency in this unit must demonstrate knowledge of:
industry-accepted standards relating to accuracy and precision for geodetic surveying data
common terms used in geodetic surveying calculations
computing aids and software used to perform geodetic computations
data reduction techniques
industry-accepted methods for validating data to identify errors and discrepancies
methods to perform projection plane computations relating to the following:
angle or bearing calculations on Map Grid of Australia (MGA)
arc to chord corrections
grid bearings
grid convergence
latitude and longitude to grid coordinates
point and line scale factor
point to point calculations
project zone calculations
transforming coordinate axes
using MGA and Geocentric Datum of Australia software
zone to zone transformations
methods to perform reference surface computations relating to the following:
meridian convergence
point to point calculations
principle radii
spheroidal distance from observed distance.
The following must be present and available to learners during assessment activities:
equipment:
as specified in the performance evidence
specifications:
task requirements
relationships with team members and supervisor:
working in a team.
Timeframe:
as specified by task and organisational requirements.
Assessor requirements
As a minimum, assessors must satisfy the assessor requirements in the Standards for Registered Training Organisations (RTOs) current at the time of assessment.