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: 

Invest and cast in sterling silver 
SAQA US ID UNIT STANDARD TITLE
261478  Invest and cast in sterling silver 
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  4 
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 
This unit standard will be useful to people who are required to invest and cast in sterling silver.

People credited with this unit standard are able to:
  • Invest a flask.
  • Implement the burnout cycle.
  • Calculate and weigh the correct amount of alloy.
  • Melt and cast the metal. 
    		•

    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 
    Invest a flask. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Tools, materials and equipment are selected for the investment process according to the required casting specifications. 

    ASSESSMENT CRITERION 2 
    The investment is mixed according to manufacturer's specifications. 

    ASSESSMENT CRITERION 3 
    The investment is de-bubblelized in accordance with the agreed timeframe. 

    ASSESSMENT CRITERION 4 
    The investment is poured into the flask in accordance with industry standards. 

    ASSESSMENT CRITERION 5 
    The invested flask is de-bubblelized according to site-specific requirements. 

    ASSESSMENT CRITERION 6 
    The flask is cured according to site-specific requirements. 

    ASSESSMENT CRITERION 7 
    The rubber base is removed and the flask prepared for the burnout cycle in accordance with industry standards. 

    ASSESSMENT CRITERION 8 
    The consequences of not adhering to correct workmanship, housekeeping and safe working practices are described in terms of the potential impact on occupational health and safety, productivity and quality. 

    SPECIFIC OUTCOME 2 
    Implement the burnout cycle. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The relevant burnout cycle is identified according to industry standards. 

    ASSESSMENT CRITERION 2 
    The furnace cycle is set according to industry standards. 

    ASSESSMENT CRITERION 3 
    The flask is placed in the furnace according to industry standards. 

    ASSESSMENT CRITERION 4 
    The burnout temperature is monitored and adjusted according to operating requirements. 

    ASSESSMENT CRITERION 5 
    The consequences of not adhering to correct workmanship, housekeeping and safe working practices are described in terms of the potential impact on safety, productivity and quality. 

    SPECIFIC OUTCOME 3 
    Calculate and weigh the correct amount of alloy. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Materials and measuring equipment are selected for calculating and weighing and are ensured to be ready for use according to specified requirements. 

    ASSESSMENT CRITERION 2 
    The quantity of alloy required is calculated according to industry standards. 

    ASSESSMENT CRITERION 3 
    The alloy is weighed according to industry standards. 

    ASSESSMENT CRITERION 4 
    The consequences of not adhering to correct 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 
    Melt and cast the metal. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Tools, materials, casting and melting equipment are correctly selected and ensured to be ready for use prior to commencement in accordance with specified requirements. 

    ASSESSMENT CRITERION 2 
    The metal is melted according to industry standards. 

    ASSESSMENT CRITERION 3 
    The cast is done within the agreed timeframe. 

    ASSESSMENT CRITERION 4 
    The consequences of not adhering to correct 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 investing and casting:
  • Knowledge of the malleability of the metal.
  • Three-dimensional spatial perception and developed hand eye co-ordination.

    Processes and events:
  • Knowledge of alloys.
  • Methods of calculating required quantities of alloys.
  • The method of implementing the burnout cycle.

    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 in which responses display that responsible decisions using critical and creative thinking have been made.

    Note:
  • The ability of the learner to identify and solve casting problems through creative thinking. 
    		•

    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 work instructions correctly. 
    		•

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

    Note:
  • The ability to organise the casting activities and to complete the task effectively. 
    		•

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

    Note:
  • The ability of the learner to analyse, organise and evaluate relevant information pertaining to casting techniques. 
    		•

    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 communicate effectively with all relevant role-players and management. 
    		•

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

    Note:
  • The learner must be familiar with the latest jewellery casting trends in terms of equipment and technology. Notwithstanding the fact that he/she must have regard for the environment, for the community and the health and safety of others as well as for himself/herself. 
    		•

    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 relevant casting processes and to relate this to developments in the jewellery field. 
    		•

    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 
    Terminology:
  • De-bubblelized in this context means the removal of air from the liquid investment.

    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 and 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 and 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  65209   National Certificate: Jewellery Manufacturing  Level 3  NQF Level 03  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.