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: 

Interpret and produce engineering drawings and sketches 
SAQA US ID UNIT STANDARD TITLE
335854  Interpret and produce engineering drawings and sketches 
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 3  NQF Level 03  12 
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 using knowledge of abbreviations, symbols, conventions, terminology pertaining to dimensions; produce engineering drawings, sketches and perspectives, to be able to compare drawings with final product; explain the functions and importance of materials and cutting lists and explain the design development cycle.

Learners will be able to:
  • Demonstrate an understanding of mathematics, symbols and dimensions.
  • Use measuring instruments, scaling, sequencing and numbering systems in engineering drawings.
  • Explain and interpret drawings and their conventions.
  • Explain the functions and importance of materials and cutting lists.
  • Explain the design development cycle. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
  • Communication at NQF Level 2.
  • Mathematical Literacy at NQF Level 2.
  • Read and interpret engineering drawings at NQF Level 2. 
    		•

    UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Demonstrate an understanding of mathematics, symbols and dimensions. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    ElementsThe concepts of dimensioning are explained in terms of their importance and constituent elements. 
    ASSESSMENT CRITERION RANGE 
    Elements include dimension lines, arrow heads, leader, where to put dimensions.
     

    ASSESSMENT CRITERION 2 
    Dimension calculations are calculated and described in accordance with generally accepted terminology. 
    ASSESSMENT CRITERION RANGE 
    Terminology includes but is not limited to allowance; axis; centre plan; datum; basic, maximum, minimum, size and design dimensions; types of tolerances; rules of dimensioning; symmetry; formulas for tolerances.
     

    ASSESSMENT CRITERION 3 
    Theories, rules and principles of geometry are applied in a manner that shows clear interpretation engineering drawings. 
    ASSESSMENT CRITERION RANGE 
    These include lines, angles, polygons and the drawing thereof.
     

    ASSESSMENT CRITERION 4 
    Size and weight are calculated using their respective formulae. 
    ASSESSMENT CRITERION RANGE 
    This includes but is not limited to circumference, area, volume, replacement and substitution.
     

    SPECIFIC OUTCOME 2 
    Use measuring instruments, scaling, sequencing and numbering systems in engineering drawings. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Measuring instruments are discussed and used for the correct purpose in accordance with accepted accuracy requirements. 
    ASSESSMENT CRITERION RANGE 
  • Measuring instruments include but are not limited to drawing instruments.
  • Drawings include but are not limited to geometric shapes, halving a line, drawing a circle through three given points.
     
    		•

    ASSESSMENT CRITERION 2 
    Drawings are interpreted and actual size is determined through using the concept of a scale to generate drawings. 
    ASSESSMENT CRITERION RANGE 
    This will include the various scale concepts, using the correct sequence of measuring equipment, scaling up or down from drawing to work piece.
     

    ASSESSMENT CRITERION 3 
    The drawing numbering system is explained in terms of how it can be used to prevent the omission and/or duplication of engineering drawings. 

    ASSESSMENT CRITERION 4 
    The selection of specific measuring instruments is explained in terms of their usage in drafting and the drafting system. 

    SPECIFIC OUTCOME 3 
    Explain, interpret and produce drawings. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Drawing conventions, naming conventions, symbols and abbreviations related to engineering drawings are discussed in terms of their purpose. 

    ASSESSMENT CRITERION 2 
    The functions of engineering drawings and engineering sketches are contrasted in terms of their differences and similarities. 

    ASSESSMENT CRITERION 3 
    Free hand sketches are explained and produced that meet design requirements. 

    ASSESSMENT CRITERION 4 
    Isometric views and drawings are explained and isometric projections are drawn that accurately capture the image of the real object. 
    ASSESSMENT CRITERION RANGE 
    This includes but is not limited to isometric drawings, assembly drawings, isometric projections, sectioning.
     

    ASSESSMENT CRITERION 5 
    Orthographic drawings/views are explained and orthographic projections are drawn that accurately capture the detail required for the drawing. 

    ASSESSMENT CRITERION 6 
    The concepts of perspective projection are explained and different perspectives are presented in accordance with given requirements. 

    ASSESSMENT CRITERION 7 
    The concept of sectioning is explained through the presentation of sectional and cross-sectional views. 

    SPECIFIC OUTCOME 4 
    Explain the functions and importance of materials and cutting lists. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The functions for which materials are used in production processes are described in terms of how this knowledge impacts on engineering drawings. 
    ASSESSMENT CRITERION RANGE 
    Functions include extraction, handling, processing, supplying and manufacturing.
     

    ASSESSMENT CRITERION 2 
    Metals and alloys are discussed in terms of their differences and potential uses. 

    ASSESSMENT CRITERION 3 
    Drawings are interpreted using a standard systematic procedure that incorporates all the relevant main areas. 
    ASSESSMENT CRITERION RANGE 
    This includes but is not limited to the 'five main areas' method; Part Number, Revision Block, Title Block, Views of the Part, Notes and Ordering Nomenclature.
     

    ASSESSMENT CRITERION 4 
    The need for materials and cutting lists is explained in terms of ensureing that production proceeds efficiently and that over-ordering is prevented. 

    ASSESSMENT CRITERION 5 
    Material lists are compiled from drawings that include required sizes and quantities. 

    ASSESSMENT CRITERION 6 
    The materials list is checked against the item drawn to insure correcteness. 

    SPECIFIC OUTCOME 5 
    Explain the design development cycle. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The importance of confirming client requirements regarding the design and production of an item are described in terms of avoiding client complaints. 
    ASSESSMENT CRITERION RANGE 
    This includes but is not limited to customer design brief, producing design proposals, presenting design solutions, design techniques, stakeholder interviews, five stages of design project.
     

    ASSESSMENT CRITERION 2 
    The relationship between drawings and manufacturing and assembly is explained in terms of how changes in the technological landscape can impact on the drawings. 
    ASSESSMENT CRITERION RANGE 
    This includes but is not limited to deep drawing, engineering materials, product design, using CAD in design and manufacture.
     

    ASSESSMENT CRITERION 3 
    The implications of incorrectly interpreting engineering drawings are discussed to show how it impacts on customers, production and the company. 


    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 and cutting lists.
  • Engineering drawing symbols, terms, abbreviations, definitions and details.
  • Sectional views.
  • Isometric and orthographic views.
  • Perspective projection.
  • Technological and production processes related to engineering drawings.

    Purpose of:
  • Engineering drawings.
  • Free hand sketches.

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

    Procedures and techniques:
  • Drawing interpretation process and sequence.
  • Compiling material list and sizes from drawings.

    Theory: rules, principles, laws:
  • Units of measurement (conversion) and measurement scales.
  • Mathematics, symbols and dimension.
  • Metals and alloys.

    Relationships, systems:
  • Relationship between engineering drawing and manufacture/assembly 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, perspectives, sectioning.
  • Differentiating between various concepts, conventions, symbols related to engineering drawings and the types that represent those concepts.
  • Differentiating between metals and alloys. 
    		•

    UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team, group, organisation and community to:
  • Ensure that engineering drawings facilitate the production process and the product meets customer's requirements. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage oneself and one's activities responsively and effectively when:
  • Interpreting an engineering drawing in a systematic way.
  • Preparing engineering drawings using isometric and orthographic views and perspectives.
  • Explaining the implications of changing technology on engineering drawings.
  • Discussing the design development cycle.
  • Compiling material lists and sizes from drawings. 
    		•

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information to:
  • Interpret engineering drawings using all the skills acquired.
  • Assess the match between a drawing and a product, system, component or 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 is in the manufacturing process.
  • Explain the importance of correctly interpreting the engineering drawing and the consequences of misinterpretation. 
    		•

    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  71989   National Certificate: Automotive Components: Manufacturing and Assembly  Level 3  NQF Level 03  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  MERSETA 
    Core  79666   National Certificate: Metal and Engineering Manufacturing Processes  Level 3  NQF Level 03  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.