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: 

Reproduce a piece of jewellery using the lost wax casting technique 
SAQA US ID UNIT STANDARD TITLE
261281  Reproduce a piece of jewellery using the lost wax casting technique 
ORIGINATOR
SGB Mining and Minerals 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Fabrication and Extraction 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 2  NQF Level 02  6 
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 replaces: 
US ID Unit Standard Title Pre-2009 NQF Level NQF Level Credits Replacement Status
15273  Reproduce a piece of jewellery using the lost wax casting technique  Level 2  NQF Level 02  6   

PURPOSE OF THE UNIT STANDARD 
This unit standard will be useful to people who are required to produce jewellery using the lost wax casting technique.

People credited with this unit standard are able to:
  • Make rubber moulds of metal models.
  • Produce wax patterns for investment.
  • Invest and cast patterns in metal.
  • Remove and finish the metal reproduction. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    It is assumed that learners are already competent in:
  • Communication and Mathematical Literacy at NQF Level 1. 
    		•

    UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Make rubber moulds of metal models. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Tools, materials and equipment are selected in accordance with specified requirements. 

    ASSESSMENT CRITERION 2 
    The mould is vulcanized according to task specific requirements. 

    ASSESSMENT CRITERION 3 
    The model is positioned in the vulcanizing frame to ensure effective injection. 

    ASSESSMENT CRITERION 4 
    The model is removed from the mould without damage to the model or the mould. 

    ASSESSMENT CRITERION 5 
    Occupational hazards and risks are identified and dealt with in accordance with specified requirements. 

    ASSESSMENT CRITERION 6 
    Housekeeping and safe working practices are adhered to and demonstrated in accordance with occupational health and safety requirements. 

    ASSESSMENT CRITERION 7 
    The consequences of not adhering to correct preparation, housekeeping and safety practices are described in terms of the potential impact on occupational health and safety, productivity and quality. 

    SPECIFIC OUTCOME 2 
    Produce wax patterns for investment. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Wax, materials and equipment are selected in accordance with specified requirements. 

    ASSESSMENT CRITERION 2 
    The wax is injected or poured in a way that minimises wastage according to operational requirements. 

    ASSESSMENT CRITERION 3 
    The wax pattern is removed successfully from the mould in line with jewellery manufacturing standards. 

    ASSESSMENT CRITERION 4 
    The wax pattern is free from defects in terms of jewellery manufacturing requirements. 

    ASSESSMENT CRITERION 5 
    The wax pattern is secured and gated in a way that ensures a successful cast, and is ready for investment according to task specific requirements. 

    ASSESSMENT CRITERION 6 
    The consequences of poor workmanship, housekeeping and safe working practices are described in terms of the potential impact on occupational health and safety, productivity and quality. 

    SPECIFIC OUTCOME 3 
    Invest and cast patterns in metal. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Tools, materials and equipment are selected in accordance with specified requirements. 

    ASSESSMENT CRITERION 2 
    Investment and burnout procedures are followed according to product specifications. 

    ASSESSMENT CRITERION 3 
    The correct amount of alloy is melted to the required temperature and cast to fill the mould cavity in terms of casting quality standards. 

    ASSESSMENT CRITERION 4 
    The casting is free from defects in terms of sound jewellery manufacturing requirements. 

    ASSESSMENT CRITERION 5 
    The consequences of poor workmanship, housekeeping and safe working practices are described in terms of the potential impact on Occupational health and safety, productivity and quality. 

    SPECIFIC OUTCOME 4 
    Remove and finish the metal reproduction. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Tools, materials and equipment are selected in accordance with task specific requirements. 

    ASSESSMENT CRITERION 2 
    The reproduction is removed from the investment and finished according to task specific requirements. 

    ASSESSMENT CRITERION 3 
    The reproduction and the original are compared for difference and similarities. 

    ASSESSMENT CRITERION 4 
    Unacceptable differences are explained in terms of likely causes, corrective actions and preventative measures. 

    ASSESSMENT CRITERION 5 
    The consequences of poor workmanship, housekeeping and safe working practices are described in terms of the potential impact on occupational health and safety, productivity and quality. 


    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 Education, Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding 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 Education, Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Assessment and moderation of assessment will be overseen by the relevant Education, Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding with the relevant ETQA, according to the ETQA's policies and guidelines for assessment and moderation.
  • Moderation must include both internal and external moderation of assessments, unless ETQA policies specify otherwise.
  • 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. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    The following embedded knowledge is addressed in an integrated way in the unit standard:

    Knowledge relating to reproducing a piece of jewellery using the lost wax casting technique:
  • Knowledge of casting techniques.
  • Knowledge of the malleability of the metal.
  • Three-dimensional spatial perception and developed hand eye co-ordination.

    Processes and events:
  • Knowledge of various jewellery casting processes.
  • Exposure to various jewellery casting processes.
  • Distinguish poor jewellery manufacturing quality from acceptable quality.

    Causes and effects (Safety and Health):
  • Use of equipment.
  • Use of personal protective equipment.
  • Adherence to safety requirements.
  • Work related hazards and associated risks.

    Regulations, legislation, agreements, policies and standards:
  • Safety, health and environmental legislation and regulations.
  • Quality policies, standards and agreements. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems and make decisions using critical and creative thinking.

    Note: The ability of the learner to select the correct and relevant tools, materials and equipment for the reproduction of a piece of jewellery using the lost wax casting technique and to plan the manufacturing process very carefully and logically. 

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

    Note: The ability and willingness of the learner to accept and interpret the specified requirements correctly. 

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage themselves and their activities responsibly and effectively.

    Note: The ability of the learner to indicate which tools, equipment and procedures are required for the casting process of the jewellery piece. 

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

    Note: The ability of the learner to plan, the procedure, the preparation and the assembly from the design specifications with the specified requirements. 

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

    Note: The ability of the learner to interpret specified requirements by liaising and interacting with relevant role players in the production process, using appropriate and effective communication methods. 

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

    Note: The ability to use the relevant technology applying the required occupational health and safety measures to conduct the required casting task in an agreed time frame. 

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems by recognising that problem-solving contexts do not exist in isolation.

    Note: The ability of the learner to identify the relevant factors that contribute to the success or failure of the cast piece - the quality of the metal, the preparation thereof, the correct interpretation of the design and what it hopes to achieve in the rest of the jewellery production process, and as a whole, within the rest of the jewellery industry. 

    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 
    This unit standard replaces unit standard 15273, "Reproduce a piece of jewellery using the lost wax casting technique", Level 2, 6 credits.

    Terminology:
  • Gating: This means to build a wax tree.
  • Wax tree: A number of wax patterns attached to a central wax stem, ready for investing.
  • Investing: Pouring investment slurry into a metal flask, covering the wax tree.
  • Wax pattern: A wax copy of the original metal object.
  • Vulcanizing: Curing of rubber using heat and pressure.

    Specified Requirements:

    Specified requirements include legal and workplace specific requirements and are contained in one or more of the following documents:

    Legal:
  • Relevant Acts: e.g. Mine Health & Safety Act, 1996 (Act no 29/1996), and Minerals Act and Regulations, 1991 (Act no 50/1991).
  • Regulations.
  • Mandatory Codes of Practice.
  • SANS and other Standards.

    Site Specific:
  • Hazard Identification and Risk Assessment (HIRA).
  • Occupational Health and Safety Risk Management Programme.
  • Voluntary Codes of Practices.
  • Managerial Instructions.
  • Mine Standard Procedures.
  • List of Recorded OH&S Risks.

    Jewellery Industry Requirements:
  • Working Guides.
  • User manuals supplied by equipment manufacturer.
  • The Bargaining Council for the Jewellery and Precious Metals Industry Main Agreement.
  • The employer's work specifications, tariff agreements and policies and Procedures.
  • Regulations as per directives from the Gold and Diamond Branch of the Southern African Police.
  • ISO 9000/1, SANS and other accredited standards and quality assurance measures.
  • A glossary of terms regarding the terminology of the Jewellery Industry. 
    		•

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  65049   National Certificate: Jewellery Manufacturing  Level 2  NQF Level 02  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  MQA 


    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.