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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Read and interpret engineering drawings 
SAQA US ID UNIT STANDARD TITLE
335860  Read and interpret engineering drawings 
ORIGINATOR
SGB Manufacturing and Assembly Processes 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Manufacturing and Assembly 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 2  NQF Level 02  8 
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 
Learners credited with this standard will be able to read and interpret engineering drawings to be able to select components to be manufactured or assembled. In addition, they would be able to read symbols and understand free hand sketches. The learner will have knowledge of isometric, oblique and orthographic projections, including hidden detail and single plane sectional views. The drawings must conform to international standards.

Learners will be able to:
  • Demonstrate an understanding of engineering drawings and sketches.
  • Explain and apply geometry and scales.
  • Explain the role of isometric and orthographic views in the interpretation of engineering drawings.
  • Discuss and apply concepts related to engineering drawing. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
  • Communication at NQF Level 1.
  • Mathematical Literacy at NQF Level 1. 
    		•

    UNIT STANDARD RANGE 
    The learner is able to refer to engineering drawings, sketches and material lists to access any information necessary to perform his/her duties. The drawings at this level are described as 'basic' in the industry. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Demonstrate an understanding of engineering drawings and sketches. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Engineering drawings and sketches are explained in terms of their importance and purpose. 

    ASSESSMENT CRITERION 2 
    The relationship between an engineering drawing/sketch and the production process is described in terms of how the drawing/sketch enables these activities. 

    ASSESSMENT CRITERION 3 
    The way in which an engineering drawing is prepared and presented is described to ensure that the layout complies with international conventions. 
    ASSESSMENT CRITERION RANGE 
    This includes the title block, material list and annotation.
     

    ASSESSMENT CRITERION 4 
    The importance of reading an engineering drawing or sketch accurately is described in terms of the possible impact on the production process and the cost implications thereof. 

    SPECIFIC OUTCOME 2 
    Explain and apply geometry and scales. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The aspects pertaining to angles are demonstrated to show how this knowledge forms the basis to understand and produce drawings and sketches. 
    ASSESSMENT CRITERION RANGE 
    This includes concepts, types of angles, measuring/calculating angles and angle relationships.
     

    ASSESSMENT CRITERION 2 
    The aspects pertaining to geometric shapes are demonstrated to show how this knowledge enables understanding and production of engineering drawings and sketches. 
    ASSESSMENT CRITERION RANGE 
    This includes types of geometric shapes, their definitions, properties, calculation of perimeter, area and volume.
     

    ASSESSMENT CRITERION 3 
    The concept of a scale, its interpretation and applications is described in terms of its role in engineering drawings and sketches. 

    ASSESSMENT CRITERION 4 
    The metric and imperial systems are discussed to show how conversions between the two systems are performed. 

    SPECIFIC OUTCOME 3 
    Explain the role of isometric and orthographic views in the interpretation of engineering drawings. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Isometric and orthographic views are contrasted in terms of the differences between them. 

    ASSESSMENT CRITERION 2 
    Orthographic projections are made to show the different views of an object. 
    ASSESSMENT CRITERION RANGE 
    Only first and third angle orthographic projections are required.
     

    ASSESSMENT CRITERION 3 
    Isometric drawings are discussed in terms of their role in quality assurance. 

    SPECIFIC OUTCOME 4 
    Discuss and apply concepts related to engineering drawing. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The types of lines used in engineering drawings are explained to indicate the differences between them and the purposes for which they are used. 

    ASSESSMENT CRITERION 2 
    Terms and their symbols/abbreviations are explained in accordance with general industry usage. 

    ASSESSMENT CRITERION 3 
    Drawing definitions are explained to illustrate their role in and impact on engineering drawings. 
    ASSESSMENT CRITERION RANGE 
    These include but are not limited to fit, limit and deviation.
     

    ASSESSMENT CRITERION 4 
    The types of sectional views are contrasted to show the differences between them. 

    ASSESSMENT CRITERION 5 
    The types of dimensions and dimensioning are identified and explained to show the purpose for which they are used. 

    ASSESSMENT CRITERION 6 
    The concept of details and their conventional representation are discussed to illustrate their role in an engineering drawing. 

    ASSESSMENT CRITERION 7 
    The types of tolerances are identified and discussed in terms of their role in engineering drawings. 

    ASSESSMENT CRITERION 8 
    The item represented by the engineering drawing is correctly identified and described in terms of its key features. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Anyone assessing a learner or moderating the assessment of a learner against this Unit Standard must be registered as an assessor with the relevant ETQA.
  • Any institution offering learning that will enable the achievement of this unit standard must be accredited as a provider with the relevant ETQA.
  • Assessment and moderation of assessment will be overseen by the relevant ETQA according to the ETQA policies and guidelines for assessment and moderation.
  • Moderation must include both internal and external moderation of assessments at exit points of the Qualification, unless ETQA policies specify otherwise. Moderation should also encompass achievement of the competence described both in individual unit standards as well as the integrated competence described in the Qualification. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Names and functions of:
  • Material lists.
  • Engineering drawing symbols, terms, abbreviations, definitions and details.
  • Sectional views.
  • Isometric and orthographic views.

    Purpose of:
  • Engineering drawings and sketches.

    Processes, events, causes and effects implications:
  • Implications of incorrectly interpreting engineering drawings.

    Procedures and techniques:
  • Drawing interpretation process and sequence.

    Theory: rules, principles and laws:
  • Units of measurement (conversion) and measurement scales.
  • Geometry.
  • Dimensions and dimensioning.

    Relationships and systems:
  • Relationship between engineering drawing and manufacture of a product that meets customer specifications. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems in which responses display that responsible decisions using critical and creative thinking have been made when:
  • Interpreting an engineering drawing.
  • Identifying isometric and orthographic views.
  • Differentiating between various concepts related to engineering drawings and the types that represent those concepts. 
    		•

    UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team, group, organisation and community to:
  • Ensure that there is a match between the drawing and the product. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage oneself and one's activities responsively and effectively when:
  • Interpreting an engineering drawing.
  • Differentiating between various concepts related to engineering drawings and the types that represent those concepts. 
    		•

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information to:
  • Interpret information contained in engineering drawings.
  • Assess the match between a drawing and a product/system/component/item. 
    		•

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively using visual, mathematical and/or language skills in the modes of oral and/or written presentation to:
  • Discuss interpretation of a drawing. 
    		•

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems:
  • Understand what the purpose of engineering drawings are in the manufacturing process. 
    		•

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

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

    UNIT STANDARD NOTES 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  71950   National Certificate: Automotive Components: Manufacturing and Assembly  Level 2  NQF Level 02  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  MERSETA 
    Core  79686   National Certificate: Metal and Engineering Manufacturing Processes  Level 2  NQF Level 02  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  MERSETA 
    Elective  78944   National Certificate: Autotronics  Level 2  NQF Level 02  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  MERSETA 


    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.