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Elements and Performance Criteria

1. Prepare for basic surveying computations.
   • Computational requirements are identified in consultation with appropriate persons.
   • Computational procedures are identified according to industry and organisational requirements.
   • Computational equipment is selected according to computational and organisational requirements.
2. Calculate basic surveying data.
   • Computations are performed on angles and bearings according to computational requirements and using computational equipment.
   • Conversions between polar and rectangular coordinates are performed according to computational requirements.
   • Computations are performed on the coordinates of a simple closed traverse.
3. Finalise work processes.
   • Computations and conversions are finalised and their accuracy confirmed according to computational requirements.
   • Data is recorded according to organisational requirements.

Range Statement

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.
Appropriate persons must include at least one of the following:	experienced computational colleague qualified surveyor supervisor or line manager.

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Performance Evidence

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 basic computations for two different surveying computational tasks, demonstrating the ability to:

calculate perimeter and areas of simple regular figures

calculate adjusted coordinates of points on a closed traverse

convert between:

polar and rectangular coordinates

vertical angles and gradients and vice versa

check accuracy of above computations.

During the above surveying computational tasks, the person must:

communicate clearly with others to clarify work tasks and computational results

comply with organisational requirements and industry-accepted methods for systematically and legibly laying out computations

use organisational documents to complete required records.

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Knowledge Evidence

A person demonstrating competency in this unit must demonstrate knowledge of:

common surveying and mathematical terms used in basic surveying computations

industry-accepted methods for performing and laying out different types of basic surveying computations

organisational policies and procedures for completing surveying records and documentation.

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