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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD: 

Interpret photographic detail from aerial photography for annotation purposes 
SAQA US ID UNIT STANDARD TITLE
11725  Interpret photographic detail from aerial photography for annotation purposes 
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
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 
This unit standard has been developed for the surveying occupational area and is intended for persons who aim to achieve career advancement within social and economic transformation by gaining surveying skills leading to a qualification based on unit standards. A person who has successfully completed this unit standard is able to interpret photographic detail from aerial photography for annotation purposes

A qualifying learner credited with this unit standard will be able to:
  • Describe the theory and principles associated with aerial photography.
  • Plan and prepare for annotation in the field.
  • Understand the legal, ethical and hazardous working environment of annotating photographs in the field.
  • Add place names and other important annotated detail as required on aerial photography for mapping purposes.
  • Interpret and annotate aerial photographic images for mapping purposes. 

  • LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    NQF Level 4, and numeracy and literacy that will facilitate better understanding and proficiency in this unit standard. The ability to obtain information from a plan will facilitate better understanding and proficiency in this unit standard. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Describe the theory and principles associated with aerial photography. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Elements of aerial photography are understood and explained 
    ASSESSMENT CRITERION RANGE 
    i) Types and uses of aerial photography, e.g. colour, continuous tone (Black and white), infra red photography
    ii) Aerial photography reference frames (e.g. fiducial marks, principle point, clocks, strip, job and photo numbers)
    iii) Photograph orientation
    iv) Overlaps and sidelaps
    v) Scales of aerial photography (various scales and uses, formula)
    vi) History of aerial photography
     

    ASSESSMENT CRITERION 2 
    2. Factors influencing interpretation of photographic images are understood and explained 
    ASSESSMENT CRITERION RANGE 
    i) Limitations of interpretation of aerial photography
    ii) Quality of photography (Factors affecting resolution, e.g. exposure, shutter speed, atmospheric effects, film quality/speed, developing and printing processes.)
    iii) Interpretation of tonal and image characteristics on aerial photography
     

    SPECIFIC OUTCOME 2 
    Plan and prepare for annotation in the field. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Identification and orientation of aerial photographs to be used for annotation using flight plans and maps is demonstrated. 

    ASSESSMENT CRITERION 2 
    2. Preparation of aerial photographs, diapositives, enlargements and maps for annotation for fieldwork is demonstrated. 

    ASSESSMENT CRITERION 3 
    3. Details of the work area and other relevant information, if required, are obtained. 

    ASSESSMENT CRITERION 4 
    4. Details of field control and any other information indicated on aerial photographs is understood and explained. 

    ASSESSMENT CRITERION 5 
    5. Interpretation of photographic detail in the office is demonstrated. 

    ASSESSMENT CRITERION 6 
    6. Marking of working areas on photographs and plans is demonstrated. 

    ASSESSMENT CRITERION 7 
    7. The limitations of annotation done in the office is understood and explained. 

    SPECIFIC OUTCOME 3 
    Understand the legal, ethical and hazardous working environment of annotating photographs 
    OUTCOME NOTES 
    Understand the legal, ethical and hazardous working environment of annotating photographs in the field. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Relevant knowledge with respect to courtesy to property owners and working on private property is understood and explained. 

    ASSESSMENT CRITERION 2 
    2. Permission to enter a working area, if necessary, is obtained in accordance with discipline specific requirements. The consequences of non-compliance are understood and explained 

    ASSESSMENT CRITERION 3 
    3. Personal protective equipment1 is verified for use in accordance with manufacturers' specifications 

    ASSESSMENT CRITERION 4 
    4. Workplace hazards and sub-standard conditions are understood and explained and, if found during continuous examination, dealt with in accordance with task specific requirements. The consequences of non-compliance are understood and explained. 

    ASSESSMENT CRITERION 5 
    5. Work related hazards and associated risks are understood and explained, and if found, dealt with in accordance with legal and task specific requirements. The consequences of non-compliance are understood and explained. 

    ASSESSMENT CRITERION 6 
    6. Dealing with emergency situations and emergency personnel is understood and explained. 
    ASSESSMENT CRITERION RANGE 
    i) Basic emergency procedures to be followed for emergency situations.
    ii) The correct emergency service contacted for specific emergency situation.
    iii) The correct communication with emergency dispatcher and emergency personnel.
     

    SPECIFIC OUTCOME 4 
    Add place names and other important annotated detail as required on aerial photography for mapping 
    OUTCOME NOTES 
    Add place names and other important annotated detail as required on aerial photography for mapping purposes 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. The importance of place names on maps or plans is understood and explained. 

    ASSESSMENT CRITERION 2 
    2. The confirmation of official place names according to procedures is understood and explained. 

    ASSESSMENT CRITERION 3 
    3. The use and importance of official as opposed to unofficial place names on plans or maps is understood and explained. 

    ASSESSMENT CRITERION 4 
    4. The importance of other map specific detail that is to be to be annotated for thematic mapping, i.e. attribute annotation such as clinics, schools, route numbers etc., is understood and explained. 

    SPECIFIC OUTCOME 5 
    Interpret and annotate aerial photographic images for mapping purposes. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    1. Theory and principles of annotation of aerial photography are understood and explained. 
    ASSESSMENT CRITERION RANGE 
    i) Purposes of annotation.
    ii) Annotation for large scale and small-scale mapping.
    iii) Full and partial (additions and deletions) annotation.
    iv) Symbology and colours used for annotating on the photographs.
    v) Materials and equipment used for annotation.
     

    ASSESSMENT CRITERION 2 
    2. Interpretation of photographic detail in the field is demonstrated. 

    ASSESSMENT CRITERION 3 
    3. Annotation in the field utilising aerial photography is demonstrated. 
    ASSESSMENT CRITERION RANGE 
    i) Annotation of detail using correct symbology.
    ii) Use of pocket stereoscopes for interpretation.
    iii) Use of correct annotation materials.
     


    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 or will assess this unit standard must be accredited as a provider with the relevant ETQA and registered with FE / HE registrar.

    3. Moderation of assessment will be overseen by the relevant ETQA according to the moderation guidelines in the relevant qualification and the agreed ETQA procedures.

    4. Anyone wishing to become an assessor or provider of learning must provide an affordable assessment / learning service

    Therefore anyone wishing to be assessed against this unit standard may apply to be assessed by any assessment agency, assessor or provider institution that is accredited by the relevant ETQA. 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Solve problems. 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team / group / organisation or community. 

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage oneself and one's activities responsibly and effectively. 

    UNIT STANDARD CCFO COLLECTING 
    Collect, organise and critically evaluate information. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively using visual, mathematics language skills in the modes of oral and written presentations. 

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically (showing responsibility towards the environment and health of others). 

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems. 

    UNIT STANDARD CCFO CONTRIBUTING 
    Contribute to the full development of each learner and the social and economic development of society at large. 

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

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

    2. Range statements are included with specific outcomes as necessary.

    3. The following critical cross-field outcomes are covered in this unit standard under the specific outcomes section. They are not assessed directly, but are assessed holistically through the outcomes as indicated in the following tabulation.


    Supplementary information

    The relevant information is contained in one or more of the following documents:
  • Training manuals
  • Survey Codes of Practice
  • Survey Instructions
  • Managerial Instructions
  • Manufacturers' Manuals and Specifications
  • Professional Publications

    The appropriate legal sections are contained in one or more of the following documents:
  • Occupational Health and Safety
    - Occupational Health And Safety Act 85/1993


    1. Personal protective equipment means, but is not limited to, hearing protection, hard hat, safety footwear, eye protection, hand protection, life lines, protective clothing

    2. Workplace hazards and sub-standard conditions may include, but is not limited to high walls, undermined ground, snakes, strong wind, loose ground, wet/muddy conditions, skew beacons
    3. Work related hazards and associated risks may include, but is not limited to, traffic, overhead power lines, and water, working at elevated positions, veld fires. 

  • QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  58784   National Diploma: Geospatial Image Analysis  Level 5  NQF Level 05  Passed the End Date -
    Status was "Reregistered" 
    2020-07-30  As per Learning Programmes recorded against this Qual 
    Elective  49063   National Certificate: Geographical Information Sciences  Level 5  Level TBA: Pre-2009 was L5  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.
     
    NONE 



    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.