SAQA All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.
SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Observe the position of a survey point by trilateration 
SAQA US ID UNIT STANDARD TITLE
14241  Observe the position of a survey point by trilateration 
ORIGINATOR
SGB Surveying 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 12 - Physical Planning and Construction Physical Planning, Design and Management 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 4  NQF Level 04 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 
2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
A person who has successfully completed this unit standard is able to observe the position of a survey point by trilateration in any working environment.

A person credited with this unit standard is able to:
  • Demonstrate knowledge related to trilateration
  • Plan and prepare to observe a survey point by trilateration
  • Observe a survey point by trilateration
  • Complete the work sequence 

  • LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    Open.

    Level 3 numeracy and literacy, and the ability to set up a survey instrument will facilitate better understanding and proficiency in this unit standard. 

    UNIT STANDARD RANGE 
    Range statements are included with specific outcomes as necessary. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Demonstrate knowledge related to trilateration. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Theory and principles associated with trilateration are explained. 

    ASSESSMENT CRITERION 2 
    2. Theory and principles associated with positions of points are explained. 

    ASSESSMENT CRITERION 3 
    3. Operating principles and adjustments of survey instruments are explained. 

    ASSESSMENT CRITERION 4 
    4. The importance of trilateration surveys is explained. 

    ASSESSMENT CRITERION 5 
    5. The importance of completing the work sequence is explained. 

    SPECIFIC OUTCOME 2 
    Plan and prepare to observe a survey point by trilateration. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Tools, equipment and survey instruments required for the task are verified for use in accordance with manufacturers' specifications. 

    ASSESSMENT CRITERION 2 
    2. Personal protective equipment is verified for use in accordance with manufacturers' specifications. 

    ASSESSMENT CRITERION 3 
    3. Permission to enter the work place, if necessary, is obtained in accordance with discipline specific requirements. The consequences of non-compliance are explained. 

    ASSESSMENT CRITERION 4 
    4. Details of the work place and other relevant information, if required, are obtained in accordance with task specific requirements and job instruction. 

    ASSESSMENT CRITERION 5 
    5. Workplace hazards and sub-standard conditions are explained and, if found during continuous examination, dealt with in accordance with task specific requirements. The consequences of non-compliance are explained. 

    SPECIFIC OUTCOME 3 
    Observe a survey point by trilateration. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Work related hazards and associated risks are explained, and if found, dealt with in accordance with legal and task specific requirements. The consequences of non-compliance are explained. 

    ASSESSMENT CRITERION 2 
    2. Personal protective equipment is used throughout in accordance with manufacturers' specifications. The consequences of non-compliance are explained. 

    ASSESSMENT CRITERION 3 
    3. Reference survey stations and new survey point are located and identified in accordance with the job instruction. 

    ASSESSMENT CRITERION 4 
    4. Instrument and targets are set up at required survey stations, orientated and prepared for use in accordance with task specific requirements and manufacturers' specifications. 

    ASSESSMENT CRITERION 5 
    5. Observations are recorded in accordance with task specific and accuracy requirements. The consequences of non-compliance are explained. 
    ASSESSMENT CRITERION RANGE 
    Observations include horizontal and inclined distances.
     

    ASSESSMENT CRITERION 6 
    6. Levelling and centering of the survey instrument are continuously monitored and if found out of alignment corrective steps are taken in accordance with task specific requirements. The consequences of non-compliance are explained. 

    ASSESSMENT CRITERION 7 
    7. Communicated instructions are interpreted and responded to in accordance with task specific requirements. 
    ASSESSMENT CRITERION RANGE 
    Communicated instructions include instructions by means of hand signals, verbal communication, radio transmission, cellular phones.
    Evidence is required of hand signals and any two other communication methods.
     

    SPECIFIC OUTCOME 4 
    Complete the work sequence. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Tools, equipment and survey instruments are collected and accounted for before leaving the work place. 

    ASSESSMENT CRITERION 2 
    2. Tools, equipment and survey instruments are maintained in accordance with manufacturers' specifications. 

    ASSESSMENT CRITERION 3 
    3. Tools, equipment and survey instruments found defective are dealt with in accordance with managerial instructions. 

    ASSESSMENT CRITERION 4 
    4. Reporting requirements are dealt with in accordance with managerial instructions. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
    1. Anyone assessing a learner against this unit standard must be registered as an assessor with the relevant ETQA.
    2. Any institution offering learning that will enable achievement of this unit standard must be registered with the FE/HE Registrar.
    3. Any institution wishing to receive skill development grants must be accredited with the relevant ETQA. Such an institution will also be registered with the relevant CETA.
    4. Moderation of assessment will be done by the relevant ETQA at its discretion. 

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    (i) Theory and principles associated with trilaterations and positions of survey points, equipment operating principles and adjustments.

    (ii) Relevant sections of the statutory and legal requirements that may be required in this unit standard.

    (iii) Discipline specific safety procedures.

    Essential embedded knowledge is dealt with under the specific outcomes section where "Display KNOWLEDGE and UNDERSTANDING" is required. 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Solve problems - refer to the following assessment criteria:
  • Tools, equipment and survey instruments required for the task are verified for use in accordance with manufacturers` specifications.
  • Personal protective equipment is verified for use in accordance with manufacturers` specifications.
  • Reference survey stations and new survey point are located and identified in accordance with the job instruction.
  • Instrument and targets are set up at required survey stations, orientated and prepared for use in accordance with task specific requirements and manufacturers` specifications.
  • Observations are recorded in accordance with task specific and accuracy requirements. The consequences of non-compliance are explained.
  • Levelling and centering of the survey instrument are continuously monitored and if found out of alignment corrective steps are taken in accordance with task specific requirements. The consequences of non-compliance are explained.
  • Communicated instructions are interpreted and responded to in accordance with task specific requirements.
  • Tools, equipment and survey instruments are collected and accounted for before leaving the work place.
  • Tools, equipment and survey instruments are maintained in accordance with manufacturers` specifications. 

  • UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team/group/organisation or community - refer to the following assessment criteria:
  • Permission to enter the work place, if necessary, is obtained in accordance with discipline specific requirements. The consequences of non-compliance are explained.
  • Details of the work place and other relevant information, if required, are obtained in accordance with task specific requirements and job instruction.
  • Work related hazards and associated risks are explained, and if found, dealt with in accordance with legal and task specific requirements. The consequences of non-compliance are explained.
  • Tools, equipment and survey instruments are collected and accounted for before leaving the work place.
  • Tools, equipment and survey instruments are maintained in accordance with manufacturers` specifications. 

  • UNIT STANDARD CCFO ORGANISING 
    Organise and manage oneself and one`s activities responsibly and effectively - refer to the following assessment criteria:
  • Permission to enter the work place, if necessary, is obtained in accordance with discipline specific requirements. The consequences of non-compliance are explained.
  • Details of the work place and other relevant information, if required, are obtained in accordance with task specific requirements and job instruction.
  • Work related hazards and associated risks are explained, and if found, dealt with in accordance with legal and task specific requirements. The consequences of non-compliance are explained.
  • Personal protective equipment is used throughout in accordance with manufacturers` specifications. The consequences of non-compliance are explained.
  • Reference survey stations and new survey point are located and identified in accordance with the job instruction.
  • Instrument and targets are set up at required survey stations, orientated and prepared for use in accordance with task specific requirements and manufacturers` specifications.
  • Observations are recorded in accordance with task specific and accuracy requirements. The consequences of non-compliance are explained.
  • Levelling and centering of the survey instrument are continuously monitored and if found out of alignment corrective steps are taken in accordance with task specific requirements. The consequences of non-compliance are explained.
  • Communicated instructions are interpreted and responded to in accordance with task specific requirements.
  • Tools, equipment and survey instruments are collected and accounted for before leaving the work place.
  • Tools, equipment and survey instruments are maintained in accordance with manufacturers` specifications. 

  • UNIT STANDARD CCFO COLLECTING 
    Collect, organise and critically evaluate information - refer to the following assessment criteria:
  • Details of the work place and other relevant information, if required, are obtained in accordance with task specific requirements and job instruction.
  • Work related hazards and associated risks are explained, and if found, dealt with in accordance with legal and task specific requirements. The consequences of non-compliance are explained.
  • Observations are recorded in accordance with task specific and accuracy requirements. The consequences of non-compliance are explained.
  • Levelling and centering of the survey instrument are continuously monitored and if found out of alignment corrective steps are taken in accordance with task specific requirements. The consequences of non-compliance are explained.
  • Communicated instructions are interpreted and responded to in accordance with task specific requirements. 

  • UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively using visual, mathematics and language skills in the modes of oral and written presentations - refer to the following assessment criteria:
  • Theory and principles associated with trilateration are explained.
  • Theory and principles associated with positions of points are explained.
  • Operating principles and adjustments of survey instruments are explained.
  • The importance of trilateration surveys is explained.
  • The importance of completing the work sequence is explained. 

  • UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically (showing responsibility towards the environment and health of others) - refer to the following assessment criteria:
  • Tools, equipment and survey instruments required for the task are verified for use in accordance with manufacturers` specifications.
  • Details of the work place and other relevant information, if required, are obtained in accordance with task specific requirements and job instruction.
  • Instrument and targets are set up at required survey stations, orientated and prepared for use in accordance with task specific requirements and manufacturers` specifications.
  • Observations are recorded in accordance with task specific and accuracy requirements. The consequences of non-compliance are explained.
  • Levelling and centering of the survey instrument are continuously monitored and if found out of alignment corrective steps are taken in accordance with task specific requirements. The consequences of non-compliance are explained.
  • Communicated instructions are interpreted and responded to in accordance with task specific requirements.
  • Tools, equipment and survey instruments are collected and accounted for before leaving the work place.
  • Tools, equipment and survey instruments are maintained in accordance with manufacturers` specifications. 

  • UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems - refer to the following assessment criteria:
  • Theory and principles associated with trilateration are explained.
  • Theory and principles associated with positions of points are explained.
  • Operating principles and adjustments of survey instruments are explained.
  • The importance of trilateration surveys is explained.
  • The importance of completing the work sequence is explained. 

  • UNIT STANDARD CCFO CONTRIBUTING 
    Contribute to the full development of each learner and the social and economic development of society at large - refer to the following assessment criteria:
  • Theory and principles associated with trilateration are explained.
  • Theory and principles associated with positions of points are explained.
  • Operating principles and adjustments of survey instruments are explained.
  • The importance of trilateration surveys is explained.
  • The importance of completing the work sequence is explained.
  • Observations are recorded in accordance with task specific and accuracy requirements. The consequences of non-compliance are explained.
  • Levelling and centering of the survey instrument are continuously monitored and if found out of alignment corrective steps are taken in accordance with task specific requirements. The consequences of non-compliance are explained.
  • Communicated instructions are interpreted and responded to in accordance with task specific requirements. 

  • UNIT STANDARD ASSESSOR CRITERIA 
    For an applicant to register as an assessor, the applicant needs:
  • A minimum of 2 (two) years` practical, relevant occupational experience
  • Declared competent in all the outcomes of the National Assessor Unit Standards as
    stipulated by SAQA
    Detailed documentary proof of educational qualification, practical training undergone, and experience gained by the applicant must be provided (Portfolio of Evidence). 

  • REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  20486   National Certificate: Surveying  Level 4  Level TBA: Pre-2009 was L4  Passed the End Date -
    Status was "Reregistered" 
    2023-06-30  CETA 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    1. Academy for Construction Skills (Pty) Ltd (ACS) 
    2. IZWE TRAINING AND DEVELOPMENT 
    3. Raubex Construction Pty (Ltd) 
    4. Tjeka Training Matters Pty Ltd 



    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.