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: 

Design an advanced gas installation 
SAQA US ID UNIT STANDARD TITLE
246452  Design an advanced gas installation 
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 3  NQF Level 03  12 
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 design an advanced gas installation within the requirements of the standards and regulations governing gas installations.

The qualifying learner is able to:
  • Define the design scope of an advanced gas installation.
  • Select advanced appliances and design advanced applications.
  • Design the gas storage and delivery system for an advanced gas installation.
  • Design the delivery piping configuration for an advanced gas installation.
  • Verify the overall safety of an advanced gas installation design.
  • Prepare design documents. 

  • LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
  • Learners accessing this unit standard will have demonstrated competence against communication and mathematical literacy at NQF Level 2 or equivalent.
  • Learners should also have been declared competent in the outcomes of the Unit Standard "Design a LPG or natural gas installation". 

  • UNIT STANDARD RANGE 
    The outcomes of this Unit Standard are aimed at the design of any one of five different advanced gas installation fields:
  • Medical gas system design.
  • Industrial gas system design.
  • Pipeline and pipe network supply systems.
  • Basic automotive gas system design.
  • Advanced automotive gas system design.

    In order to obtain the credits associated with this Unit Standard, learners should be declared competent in all the outcomes focused on one of these fields.

    The typical context of this unit standard assumes a new gas installation site or an existing site requiring modifications. The typical scope of this unit standard is aimed at the design of a range of advanced installations including medical, industrial and pipeline and pipe network systems.

    Range statements, which are applicable to the Unit Standard title, Specific Outcomes and Assessment Criteria are found beneath the applicable Assessment Criteria. 

  • Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Define the design scope of an advanced gas installation. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Limitations of own design authority are described within the installation context and as outlined by applicable regulations and own licensing scope. 
    ASSESSMENT CRITERION RANGE 
    Limitations include but are not limited to number of cylinders, bulk pressure vessels, system pressure, application types, cryogenic equipment and on-site generation equipment.
     

    ASSESSMENT CRITERION 2 
    The purpose of a proposed advanced gas installation is defined in terms of design and customer requirements. 
    ASSESSMENT CRITERION RANGE 
    Requirements include but are not limited to the gas type, the application, storage and supply method and the intended duty (load) of the system.
     

    ASSESSMENT CRITERION 3 
    A basic system layout sketch is prepared indicating positioning of delivery system, routing of piping and positioning of the applications. 

    ASSESSMENT CRITERION 4 
    Special requirements are analysed in terms of overall design impact. 
    ASSESSMENT CRITERION RANGE 
  • Special requirements include routing, delivery system type, capacity and pressure, special features, components, appliances.
  • Analysis includes determining the viability and impact of special requirements on the overall design, conflicts with standards and regulations and whether the design falls within the scope of own licensing authority.
     

  • SPECIFIC OUTCOME 2 
    Select advanced appliances and design advanced applications. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Advanced appliances are selected based on suitability and compliance to requirements. 

    ASSESSMENT CRITERION 2 
    Advanced applications are designed based on service requirements. 

    ASSESSMENT CRITERION 3 
    The volume requirements for all appliances and applications are determined using applicable engineering techniques. 
    ASSESSMENT CRITERION RANGE 
    Techniques include calculations, data sheets, tables and other graphical methods.
     

    ASSESSMENT CRITERION 4 
    Different components associated with the appliances and applications are selected and sized using accepted design practice. 

    ASSESSMENT CRITERION 5 
    A detailed layout sketch is prepared indicating positioning of appliances and applications as well as the routing of piping. 

    SPECIFIC OUTCOME 3 
    Design the gas storage and delivery system for an advanced gas installation. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    A gas storage and delivery concept is selected based on system requirements, suitability for the application and client specification. 
    ASSESSMENT CRITERION RANGE 
    The storage and delivery system could include cylinders, dumpies, on-site generation, bulk pressure tanks.
     

    ASSESSMENT CRITERION 2 
    The gas storage and delivery system is specified based on the overall appliance and application duty and by using applicable engineering techniques. 
    ASSESSMENT CRITERION RANGE 
  • System specification should include the delivery volume, pressure and minimum storage capacity required.
  • Techniques include calculations, data sheets, tables and other graphical methods.
     

  • ASSESSMENT CRITERION 3 
    Different components associated with the storage and delivery system are selected and sized using accepted design practice. 

    ASSESSMENT CRITERION 4 
    A detailed layout sketch is prepared indicating positioning of the storage and delivery components and routing of piping. 

    SPECIFIC OUTCOME 4 
    Design the delivery piping configuration for an advanced gas installation. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The piping/reticulation system is specified based on the overall appliance and application duty and by using applicable engineering techniques. 
    ASSESSMENT CRITERION RANGE 
  • System specification should include the delivery volume and pressure required in every part of the system.
  • Engineering techniques include calculations, data sheets, tables and other graphical methods.
     

  • ASSESSMENT CRITERION 2 
    Different components associated with the piping/reticulation system are selected and sized using accepted design practice. 
    ASSESSMENT CRITERION RANGE 
    Components should include but are not limited to piping, manifolds, valves, regulators, fittings, metering.
     

    ASSESSMENT CRITERION 3 
    A detailed layout sketch is prepared indicating routing of the piping/reticulation components. 

    SPECIFIC OUTCOME 5 
    Verify the overall safety of an advanced gas installation design. 
    OUTCOME RANGE 
    Safety regulations and standards include but are not limited to relevant design standards and regulations, building standards and codes and municipal by-laws. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Materials are selected for all system components based on safety regulations and standards. 

    ASSESSMENT CRITERION 2 
    Ventilation is verified in terms of safety regulations and standards. 

    ASSESSMENT CRITERION 3 
    All safety distances are verified to comply with safety regulations and standards. 

    ASSESSMENT CRITERION 4 
    All layout/configuration aspects are verified to meet safety regulations and standards. 

    ASSESSMENT CRITERION 5 
    Own design authority and licence scope are verified in terms of the final design parameters. 

    SPECIFIC OUTCOME 6 
    Prepare design documents. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Final drawings are prepared and submitted as required by relevant local authority by-laws. 

    ASSESSMENT CRITERION 2 
    A bill of materials is drawn up based on the final design and specifications. 

    ASSESSMENT CRITERION 3 
    Material costs are obtained using the final design and specifications. 

    ASSESSMENT CRITERION 4 
    Overall costs are determined based on actual material, consumable, equipment and labour prices. 

    ASSESSMENT CRITERION 5 
    An installation schedule is determined based on a realistic estimate of installation activities required. 

    ASSESSMENT CRITERION 6 
    A final quotation is prepared using all relevant design information. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • An assessor, accredited with a relevant NQF Level 3 or higher qualification, will assess the learner's competency.
  • Only an Assessor with considerable first hand experience in gas installations 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 
    The qualifying learner understands and is able to:
  • Define the design scope of an advanced gas installation.
  • Select advanced appliances and design advanced applications.
  • Design the gas storage and delivery system for an advanced gas installation.
  • Design the delivery piping configuration for an advanced gas installation.
  • Verify the overall safety of an advanced gas installation design.
  • Prepare design documents. 

  • 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:
  • Analysis of design requirements.
  • Applying scientific methods to design the different components of an installation.

    Refer to the following Specific Outcomes:
  • Define the design scope of an advanced gas installation.
  • Select advanced appliances and design advanced applications.
  • Design the gas storage and delivery system for an advanced gas installation.
  • Design the delivery piping configuration for an advanced gas installation. 

  • UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team, group, organisation or community by:
  • Liaising effectively with client to determine the client's requirements.
  • Obtaining prices for materials.

    Refer to the following Specific Outcomes:
  • Define the design scope of an advanced gas installation.
  • Prepare design documents. 

  • UNIT STANDARD CCFO ORGANISING 
    The learner is able to organise and manage himself and his activities responsibly and effectively by:
  • Systematic preparation and completion of a gas system design.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information by:
  • Collecting client installation requirements.
  • Collecting and organising design information.
  • Evaluating and selecting equipment, components, materials.
  • Collecting costs and preparing quotation.

    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:
  • Liaising effectively with client to determine the client's requirements.
  • Prepare sketches of the design.
  • Preparing design documents.

    Refer to the following Specific Outcomes.
  • Define the design scope of an advanced gas installation.
  • Select advanced appliances and design advanced applications.
  • Design the gas storage and delivery system for an advanced gas installation.
  • Design the delivery piping configuration for an advanced gas installation.
  • Prepare design documents. 

  • UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically, showing responsibility towards the environment and health of others by:
  • Design a total gas installation based on scientific principles.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems by:
  • Recognising how client requirements influence an advanced gas installation design.
  • Recognising how specifications and standards influence an advanced gas installation design.
  • Recognising how ignoring safe design requirements can impact on a gas system user.

    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 designing an advanced gas installation and the effect it has on the growth and development of the organisation, its customers and the community.

    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 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Elective  58950   National Certificate: Gas Installations  Level 3  NQF Level 03  Reregistered  2023-06-30  CHIETA 


    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.