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: 

Centrifuge a slurry in a metallurgical plant 
SAQA US ID UNIT STANDARD TITLE
252313  Centrifuge a slurry in a metallurgical plant 
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
11653  Separate liquid from solids by means of a centrifuge  Level 2  NQF Level 02  2   

PURPOSE OF THE UNIT STANDARD 
This unit standard will be useful to people responsible for separating material by means of centrifuging.

People credited with this unit standard are able to:
  • Demonstrate knowledge relating to the centrifuging process.
  • Prepare to centrifuge material.
  • Centrifuge material.
  • Complete the duties pertaining to the centrifuging process. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    The credit calculation is based on the assumption that learners are already competent in terms of the following outcomes or areas of learning when starting to learn towards this unit standard:
  • Communication and mathematical literacy at NQF Level 1. 
    		•

    UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Demonstrate knowledge relating to the centrifuging process. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The importance of centrifuging slurry is explained in terms of achieving specified production requirements and up-and down stream operational requirements. 

    ASSESSMENT CRITERION 2 
    The principal components and functions of the centrifuging system are identified and explained in terms of design and operatinal requirements. 
    ASSESSMENT CRITERION RANGE 
    Must include:
  • Centrifuge components.
  • Auxiliary systems.
  • Safety devices.
  • Interlocks.
  • Instrumentation.
     
    		•

    ASSESSMENT CRITERION 3 
    The operating parameters and control methods and the consequences of not adhering to these are explained in terms of operational requirements. 

    ASSESSMENT CRITERION 4 
    The factors affecting the optimum performance of the centrifuge are explained in terms of cause and impact. 

    ASSESSMENT CRITERION 5 
    The elementary principles of the process are explained in terms of purpose, method and handling. 

    ASSESSMENT CRITERION 6 
    The requirements pertaining to a safe, healthy work environment when centrifuging material and the consequences of not adhering to the above are explained in terms of legal and operational requirements. 

    ASSESSMENT CRITERION 7 
    Hazards and associated risks pertaining to the centrifuging process are identified through relevant risk assessment procedures. 

    ASSESSMENT CRITERION 8 
    The actions to be taken should hazards and risks be encountered are explained in terms of legal and operational requirements. 

    ASSESSMENT CRITERION 9 
    The actions to be taken, should sub-standard conditions and problems pertaining to the process be encountered are explained in terms of specified requirements. 

    ASSESSMENT CRITERION 10 
    Security requirements pertaining to the process are explained in terms of legal and operational requirements. 

    ASSESSMENT CRITERION 11 
    Communication requirements pertaining to the process and the consequences of non-compliance are explained in terms of legal and operational requirements. 

    ASSESSMENT CRITERION 12 
    Lock-out procedures pertaining to the process and the consequences of non-compliance are explained in terms of legal and operational requirements. 

    SPECIFIC OUTCOME 2 
    Prepare to centrifuge material. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Task-specific personal protective and safety equipment is verified, examined and used in accordance with prescribed practices. 

    ASSESSMENT CRITERION 2 
    Task-specific tools and equipment are verified, examined and used in accordance with prescribed practices. 

    ASSESSMENT CRITERION 3 
    The centrifuging system is prepared for start-up in accordance with standard plant task procedures. 

    ASSESSMENT CRITERION 4 
    Workplace hazards and associated risks are dealt with in accordance with recommendations set out in the risk assessment procedures. 

    ASSESSMENT CRITERION 5 
    The centrifuging system is examined and substandard conditions are dealt with in accordance with prescribed practices. 

    ASSESSMENT CRITERION 6 
    Safety and health precautions towards self and others are maintained in accordance with legal and operational requirements. 

    SPECIFIC OUTCOME 3 
    Centrifuge material. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Task-specific personal protective and safety equipment is used in accordance with prescribed practices. 

    ASSESSMENT CRITERION 2 
    The centrifuging process is started in accordance with standard plant task procedures. 

    ASSESSMENT CRITERION 3 
    The centrifuging process is monitored and controlled in accordance with standard plant task procedures. 

    ASSESSMENT CRITERION 4 
    Safe and optimum production is ensured through effective communication. 

    ASSESSMENT CRITERION 5 
    Task-specific tools and equipment are used in accordance with prescribed practices. 

    ASSESSMENT CRITERION 6 
    Work related hazards and associated risks are dealt with in accordance with recommendations set out in the risk assessment procedures. 

    ASSESSMENT CRITERION 7 
    Operational problems encountered are dealt with in accordance with prescribed practices. 

    ASSESSMENT CRITERION 8 
    Security requirements pertaining to the process are met in accordance with legal and operational requirements. 

    ASSESSMENT CRITERION 9 
    The centrifuging process is consistent with environmental policy and legislation. 

    ASSESSMENT CRITERION 10 
    Safety and health precautions towards self and others are maintained in accordance with legal and operational requirements. 

    SPECIFIC OUTCOME 4 
    Complete the duties pertaining to the centrifuging process. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The centrifuging system is stopped in accordance with standard plant task procedures. 

    ASSESSMENT CRITERION 2 
    Task-specific personal protective and safety equipment is dealt with in accordance with prescribed practices. 

    ASSESSMENT CRITERION 3 
    Task-specific tools and equipment are dealt with in accordance with prescribed practices. 

    ASSESSMENT CRITERION 4 
    Good housekeeping practices are maintained in accordance with prescribed practices. 

    ASSESSMENT CRITERION 5 
    Security requirements pertaining to the process are met in accordance with legal and operational requirements. 

    ASSESSMENT CRITERION 6 
    Reporting and data-recording requirements are met in accordance with legal and operational requirements. 

    ASSESSMENT CRITERION 7 
    Preparation for maintenance is in accordance with specified requirements and lock-out procedures. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Anyone assessing a learner or moderating the assessment of a learner against the qualification 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 qualification 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 by 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. Moderation should also encompass achievement of the competence described in the associated unit standards.
  • Anyone wishing to be assessed against this qualification 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 will be assessed in an integrated way in the context of the unit standard:

    Critical factors relating to centrifuging a slurry:
  • Legal and specified requirements.
  • Achieving specified production requirements.
  • Risk Assessment procedures and actions.
  • Identify the principal components and explain the specification and their functions.
  • Specified communication requirements.
  • Elementary principles of the process.

    Processes and events:
  • Preparation.
  • Examination.
  • Metal recovery.
  • Monitor and control.

    Causes and effects (Safety and Health):
  • Use of personal protective equipment.
  • Use of tools and equipment.
  • Workplace hazards and associated risks.
  • Housekeeping.

    Procedures and techniques:
  • Methods of collecting, analysing, organising, summarising and presenting data.
  • Fault finding and corrective techniques.
  • Handling procedure and controls.

    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 candidate to identify substandard and hazardous conditions, assess and take appropriate action. 

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

    Note: The ability and willingness of the candidate to accept and interpret work instructions correctly. 

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage himself/herself and his/her activities responsibly and effectively.

    Note: The ability of the candidate to indicate what methods, tools and personal protective equipment are required, and to communicate to fellow workers his/her intentions and the assistance required. 

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

    Note: The ability of the candidate to reconcile the information from visual and physical examinations and constantly evaluate the changing situation. 

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

    Note: The appropriate communication with the relevant personnel with regard to the reporting of hazards and substandard conditions will indicate his/her proficiency in effective communication. 

    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 candidate to identify and refer anomalous behaviour to a specialist confirms his/her understanding of the fact that a specific observation, inference, action or decision may have a devastating effect. 

    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 11653, "Separate liquid from solids by means of a centrifuge", Level 2, 2 credits.

    Terminology:

    Specified Requirements:

    Specified requirements include legal and site-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).
  • Mandatory Codes of Practice.
  • SANS and other relevant Standards.
  • Chief Inspector of Mines' Directives.

    Site Specific:
  • Hazard Identification and Risk Assessments (HIRA).
  • Occupational Health and Safety Risk Management Programme.
  • Managerial Instructions.
  • Mine Standard Procedures.
  • List of Recorded OH&S Risks.
  • Working Guides.
  • Equipment and Materials Specifications.

    Unit Standard Justification:

    Level:

    Attribute, Level, Justification:
  • Skills, Level 2, Moderate in range.
  • Procedures, Level 2, Established and familiar.
  • Context, Level 2, Routine and familiar.
  • Knowledge, Level 2, Basic operational.
  • Information processing, Level 2, Basic processing of readily available information.
  • Problem Solving, Level 2, Known solutions to familiar problems.
  • Orientation of activities, Level 3, Directed with some autonomy.
  • Application of responsibility, Level 3, Under general supervision and quality checking.
  • Orientation of scope of responsibility, Level 2, Some responsibility for quantity and quality and possible responsibility for guiding others.

    Average Level = 2.22.
    Actual Level Assigned = 2.

    Credits:

    Total hours required by the learner to achieve the required outcome:

    Activity, Hours:
  • Classroom Teaching, 25 Hours.
  • On-The-Job Training, 35 Hours.
  • Mentoring required, 0 Hours.
  • Other (Specify), 0 Hours.

    Total = 60 Hours.

    Credits Achieved = 60/10 = 6.0.
    Credits Assigned = 6. 
    		•

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Elective  59305   National Certificate: Mineral Processing  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.
     
    1. ADCORP TECHNICAL TRAINING (PTY) LTD 
    2. ASSMANG BEESHOEK MINE 
    3. BAFOKENG RASIMONE MANAGEMENT SERVICES PTY LTD 
    4. DE BEERS CONSOLIDATED MINES VENETIA 
    5. EASTERN CHROME MINES SAMANCOR 
    6. ERGO BUSINESS DEVELOPMENT ACADEMY NPC 
    7. EXXARO COAL (PTY) LTD 
    8. FINSCH DIAMOND MINE(PTY) LTD 
    9. FOSKOR (PTY) LTD 
    10. FRASER ALEXANDER PTY LTD 
    11. HARMONY GOLD MINING CO LTD 
    12. IMPALA PLATINUM SERVICES LTD 
    13. KABELANO TRAINING SOLUTIONS (PTY) LTD 
    14. KHUMANI IRON ORE MINE 
    15. KOLOMELA MINE 
    16. KUMBA IRON ORE (SISHEN) 
    17. Kumba Sishen HRD Centre 
    18. METSKILL PTY LTD 
    19. MMTI Holdings 
    20. MODIKWA MINING PERSONNEL SERVICES PTY L TD 
    21. Nokaneng Environmental Management Consulting 
    22. NORTHAM PLATINUM LTD 
    23. PALABORA COPPER (PTY) LTD 
    24. POWERGATE TRAINING PTY LTD 
    25. PRIDE OF SUCCESS (PTY) LTD 
    26. PROGRESSIVE TRAINING DEVELOPMENT AND PROJECTS (PTY) LTD 
    27. RICHARDS BAY MINING PTY LTD 
    28. SASOL GLOBAL LEARNING 
    29. SIBANYE GOLD ACADEMY PROPRIETARY LIMITED 
    30. THARISA MINERALS (PTY) LTD 
    31. THE BENEFICIATION ACADEMY 
    32. TOP PERFORMERS FOR AFRICA CC 
    33. TOTAL COVERAGE CONSULTING 
    34. TSHUANA DI SA HWEGO HRD SOLUTIONS 
    35. TWO RIVERS PLATINUM (PTY) LTD 


    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.