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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD: 

Read and interpret simple drawings in a process environment 
SAQA US ID UNIT STANDARD TITLE
244067  Read and interpret simple drawings in a process environment 
ORIGINATOR
Chemical Industries SGB 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Engineering and Related Design 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 1  NQF Level 01 
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 
Learners who demonstrate competence as described in the outcomes of this unit standard will be able to read and interpret simple drawings in a process environment.

The qualifying learner is able to:
  • Explain the purpose of drawings and graphical representations in a process environment.
  • Read and interpret block diagrams.
  • Read and interpret layout diagrams.
  • Read and interpret basic engineering component drawings.
  • Read and interpret process flow diagrams (PFDs). 

  • LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    Learners accessing this unit standard will have demonstrated competence against numeracy and literacy at ABET Level 3 or equivalent. 

    UNIT STANDARD RANGE 
    The typical context of this unit standard includes any processing environment, for example chemical, minerals or beverage processing.

    Range statements, which are applicable to the unit standard titles, specific outcomes and assessment criteria are found beneath the applicable assessment criteria. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Understand the use of drawings and graphical representations in a process environment. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The purpose of using drawings, diagrams and other graphical representations is explained within the context of the processing environment. 

    ASSESSMENT CRITERION 2 
    Various types of drawings and diagrams are identified as used in a processing environment. 
    ASSESSMENT CRITERION RANGE 
    Diagram types should include block diagrams, layout diagrams (plot plans), engineering component drawings, process flow diagrams (PFDs) and at least 4 other diagram types, such as organograms, logic diagrams, decision trees, pyramid diagrams, value chain, mind maps, quality review spiral or network diagrams.
     

    ASSESSMENT CRITERION 3 
    Different components of diagrams as used in a processing environment are described in accordance with accepted drawing practice. 
    ASSESSMENT CRITERION RANGE 
    Components may include but are not limited to arrows, processes, products, nodes, labels, symbols, keys.
     

    ASSESSMENT CRITERION 4 
    Diagrams as used in a processing environment are interpreted in accordance with accepted drawing practice. 

    SPECIFIC OUTCOME 2 
    Read and interpret block diagrams. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The purpose and application of block diagrams is described as relevant to the processing industry. 

    ASSESSMENT CRITERION 2 
    Block diagrams are identified as used in the processing industry. 

    ASSESSMENT CRITERION 3 
    Distinction is made between "process" and "flow" components. 

    ASSESSMENT CRITERION 4 
    Block diagrams are interpreted in accordance with accepted drawing practice. 

    SPECIFIC OUTCOME 3 
    Read and interpret layout diagrams (plot plans). 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The purpose of layout diagrams is described as applicable to the processing industry. 

    ASSESSMENT CRITERION 2 
    Layout diagrams can be located and identified within a catalogue system. 

    ASSESSMENT CRITERION 3 
    Scale and proportion aspects are interpreted according to accepted drawing practice. 

    ASSESSMENT CRITERION 4 
    Equipment, buildings and key features are identified from a layout diagram in accordance with standard symbol usage. 

    ASSESSMENT CRITERION 5 
    Layout diagrams are interpreted in accordance with accepted drawing practice. 

    SPECIFIC OUTCOME 4 
    Read and interpret elementary engineering component drawings. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The purpose of engineering component drawings is described as applicable to a processing environment. 

    ASSESSMENT CRITERION 2 
    Engineering component drawings can be located and identified within a catalogue system. 

    ASSESSMENT CRITERION 3 
    Scale aspects are interpreted in accordance with accepted drawing practice. 

    ASSESSMENT CRITERION 4 
    The concept of exploded drawing sections is explained as applicable to engineering component drawings. 

    ASSESSMENT CRITERION 5 
    Different line structures and shading concepts are explained as relevant to process drawings. 

    ASSESSMENT CRITERION 6 
    Components are identified from engineering component drawings according to accepted drawing practice. 

    ASSESSMENT CRITERION 7 
    Engineering component drawings, including cut-away sections are interpreted in accordance with specified requirements. 

    SPECIFIC OUTCOME 5 
    Read and interpret process flow diagrams (PFDs). 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The purpose of PFDs is described in accordance with specified requirements. 

    ASSESSMENT CRITERION 2 
    PFDs can be located and correctly identified according to instructions. 

    ASSESSMENT CRITERION 3 
    Different line structures and shading concepts are explained in accordance with specified requirements. 

    ASSESSMENT CRITERION 4 
    Labels, symbols and legends are explained according to industry standards and norms. 

    ASSESSMENT CRITERION 5 
    PFDs are interpreted correctly in terms of equipment and flows in accordance with specified requirements. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • An assessor, accredited with a relevant NQF 1 or higher qualification, will assess the learner's competency.
  • 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.
  • Direct observation in simulated or actual work conditions is required. 

  • UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Qualifying learners understand and can explain:
  • The purpose of drawings and graphical representations in a process environment.

    Qualifying learners understand and can read and interpret:
  • Block diagrams.
  • Layout diagrams.
  • Basic engineering component drawings.
  • Process flow diagrams (PFDs). 

  • UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    The learner is able to identify and solve problems in which responses display that responsible decisions, using critical and creative thinking, have been made by:
  • Interpreting block diagrams.
  • Interpreting layout diagrams.
  • Interpreting engineering component drawings.
  • Interpreting process flow diagrams (PFDs).

    Refer to the following Specific Outcomes:
  • Read and interpret block diagrams.
  • Read and interpret layout diagrams (plot plans).
  • Read and interpret elementary engineering component drawings.
  • Read and interpret process flow diagrams (PFDs). 

  • UNIT STANDARD CCFO ORGANISING 
    The learner is able to organise and manage him/herself self and his/her activities responsibly and effectively by:
  • Applying knowledge of basic process engineering drawings to his/her activities.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information by:
  • Applying knowledge of components, legends, symbols, scale, proportion, line structures and shading concepts to the interpretation of diagrams and drawings.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively by using mathematical and/or language skills in the modes of oral and/or written presentations by:
  • Reading and interpreting simple diagrams, block diagrams, layout diagrams, engineering component drawings and process flow diagrams.
  • Reading and interpreting a range of legends, symbols, scales and components on drawings and diagrams.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems by:
  • Interpreting basic process engineering drawings.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO CONTRIBUTING 
    Contribute to the full personal development of each learner and the social and economic development of the society at large by:
  • Understanding the role of drawings in the process and the effect it has on the growth and development of the organisation, its customers and employees.

    Refer to all Specific Outcomes. 

  • 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 
    Supplementary Information:

    Terms and definitions:

    Block diagram:
  • A block diagram is a graphic representation showing the interconnections between the components of a system. Often used to indicate procedural systems or physical processes.

    Layout diagram (also known as a "plot plan"):
  • A diagram (often to scale) showing the physical arrangement of buildings or equipment in an area.

    Basic engineering component drawing:
  • A type of drawing that is technical in nature, used to define requirements for engineered items, and usually created in accordance with standardised conventions.

    Process flow diagram (PFD):
  • A Process Flow Diagram is a paper-based tool which represents a series of activities which form part of a specific process. 

  • QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  66029   General Education and Training Certificate: Chemical Operations  Level 1  NQF Level 01  Reregistered  2023-06-30  As per Learning Programmes recorded against this Qual 


    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.