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: 

Operate milling tandem 
SAQA US ID UNIT STANDARD TITLE
114306  Operate milling tandem 
ORIGINATOR
SGB Secondary Agriculture: Processing 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 01 - Agriculture and Nature Conservation Secondary Agriculture 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 2  NQF Level 02  16 
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 
A learner who has achieved this unit standard will be competent in:

Operating a milling tandem to ensure extraction targets are met. 

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
To enter a learning programme for this unit standard or to be assessed against this unit standard, the learner is assumed to have:
  • Literacy and communications NQF 1
  • Numeracy NQF 1
  • Basic understanding of sugar processing
  • Basic knowledge of quality assurance systems
  • An understanding of general safety in the workplace at NQF 1 or equivalent 

  • UNIT STANDARD RANGE 
    The learner is expected to perform the specific outcomes as reflected in this unit standard without direct supervision, but with access to standard operating procedures.The scope of this unit standard entails a working knowledge of the integration and operation of a milling tandem comprising 5 to 7 mills in series used as a primary extraction device. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Demonstrate an understanding of milling. 
    OUTCOME NOTES 
  • Explaining the basic principles of milling.
  • Identifying and explaining the purpose of the various equipment used for milling.
  • Explain the various process stream/flows associated with a milling tandem installation. 

  • ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Assessors will observe, confirm and evaluate evidence that will indicate that learners have demonstrated competence in each of the specific outcomes. In this unit standard the following specific criteria should be used:

    Understanding of
  • Basic principles of juice extraction from cane by milling

    Reasons for:
  • Monitoring and reporting malfunctioning equipment
  • Monitoring and reporting mill roll lift and accumulator pressures
  • Monitoring and reporting juice distribution across the inter-carriers
  • Monitoring and reporting the Donnely chute levels
  • Monitoring and reporting trash plate discharges and scraper plate positions

    Consequences of not:
  • Recording the brix and pol extraction of each mill in the tandem and reporting abnormal deviations
  • Identifying and reporting irregular cane feeding into the mills.
    Cleaning the milling tandem according to standard operating procedures 

  • SPECIFIC OUTCOME 2 
    Prepare for cane milling. 
    OUTCOME NOTES 
  • Starting-up a milling tandem according to standard operating procedures. 

  • ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Assessors will observe, confirm and evaluate evidence that will indicate that learners have demonstrated competence in each of the specific outcomes. In this unit standard the following specific criteria should be used:

    Understanding of
  • Basic principles of juice extraction from cane by milling

    Reasons for:
  • Monitoring and reporting malfunctioning equipment
  • Monitoring and reporting mill roll lift and accumulator pressures
  • Monitoring and reporting juice distribution across the inter-carriers
  • Monitoring and reporting the Donnely chute levels
  • Monitoring and reporting trash plate discharges and scraper plate positions

    Consequences of not:
  • Recording the brix and pol extraction of each mill in the tandem and reporting abnormal deviations
  • Identifying and reporting irregular cane feeding into the mills.
    Cleaning the milling tandem according to standard operating procedures 

  • SPECIFIC OUTCOME 3 
    Assess mill performance. 
    OUTCOME NOTES 
  • Identifying and reporting irregular cane feeding into the mills.
  • Recording the brix and pol extraction of each mill in the tandem and reporting abnormal deviations. 

  • ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Assessors will observe, confirm and evaluate evidence that will indicate that learners have demonstrated competence in each of the specific outcomes. In this unit standard the following specific criteria should be used:

    Understanding of
  • Basic principles of juice extraction from cane by milling

    Reasons for:
  • Monitoring and reporting malfunctioning equipment
  • Monitoring and reporting mill roll lift and accumulator pressures
  • Monitoring and reporting juice distribution across the inter-carriers
  • Monitoring and reporting the Donnely chute levels
  • Monitoring and reporting trash plate discharges and scraper plate positions

    Consequences of not:
  • Recording the brix and pol extraction of each mill in the tandem and reporting abnormal deviations
  • Identifying and reporting irregular cane feeding into the mills.
    Cleaning the milling tandem according to standard operating procedures 

  • SPECIFIC OUTCOME 4 
    Ensure best operating practices. 
    OUTCOME NOTES 
  • Monitoring and reporting malfunctioning equipment.
  • Monitoring and reporting mill roll lift and accumulator pressures.
  • Monitoring and reporting juice distribution across the inter-carriers.
  • Monitoring and reporting the Donnely chute levels.
  • Monitoring and reporting trash plate discharges and scraper plate positions.
  • Monitoring process variables via the Digital Control System (DCS) and changing set points according to processing conditions. 

  • ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Assessors will observe, confirm and evaluate evidence that will indicate that learners have demonstrated competence in each of the specific outcomes. In this unit standard the following specific criteria should be used:

    Understanding of
  • Basic principles of juice extraction from cane by milling

    Reasons for:
  • Monitoring and reporting malfunctioning equipment
  • Monitoring and reporting mill roll lift and accumulator pressures
  • Monitoring and reporting juice distribution across the inter-carriers
  • Monitoring and reporting the Donnely chute levels
  • Monitoring and reporting trash plate discharges and scraper plate positions

    Consequences of not:
  • Recording the brix and pol extraction of each mill in the tandem and reporting abnormal deviations
  • Identifying and reporting irregular cane feeding into the mills.
    Cleaning the milling tandem according to standard operating procedures 

  • SPECIFIC OUTCOME 5 
    Minimise microbiological activity. 
    OUTCOME NOTES 
  • Ensuring routine and continuous cleaning and sanitation of the milling tandem.
  • Reducing juice spillages and bagasse accumulations. 

  • ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Assessors will observe, confirm and evaluate evidence that will indicate that learners have demonstrated competence in each of the specific outcomes. In this unit standard the following specific criteria should be used:

    Understanding of
  • Basic principles of juice extraction from cane by milling

    Reasons for:
  • Monitoring and reporting malfunctioning equipment
  • Monitoring and reporting mill roll lift and accumulator pressures
  • Monitoring and reporting juice distribution across the inter-carriers
  • Monitoring and reporting the Donnely chute levels
  • Monitoring and reporting trash plate discharges and scraper plate positions

    Consequences of not:
  • Recording the brix and pol extraction of each mill in the tandem and reporting abnormal deviations
  • Identifying and reporting irregular cane feeding into the mills.
    Cleaning the milling tandem according to standard operating procedures 

  • SPECIFIC OUTCOME 6 
    Complete cane million process. 
    OUTCOME NOTES 
  • Shutting-down a milling tandem according to standard operating procedures.
  • Cleaning the milling tandem according to standard operating procedures.
  • Informing relevant parties of milling tandem performance during the shift. 

  • ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Assessors will observe, confirm and evaluate evidence that will indicate that learners have demonstrated competence in each of the specific outcomes. In this unit standard the following specific criteria should be used:

    Understanding of
  • Basic principles of juice extraction from cane by milling

    Reasons for:
  • Monitoring and reporting malfunctioning equipment
  • Monitoring and reporting mill roll lift and accumulator pressures
  • Monitoring and reporting juice distribution across the inter-carriers
  • Monitoring and reporting the Donnely chute levels
  • Monitoring and reporting trash plate discharges and scraper plate positions

    Consequences of not:
  • Recording the brix and pol extraction of each mill in the tandem and reporting abnormal deviations
  • Identifying and reporting irregular cane feeding into the mills.
    Cleaning the milling tandem according to standard operating procedures 


  • UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
    N/A 

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
  • Standard operating procedures regarding milling operations.
  • Working knowledge of milling operations and ancillary equipment.
  • Basic knowledge of a milling tandem mass balance
  • Basic safety requirements relating to the cane milling tandem
  • Basic principles in physics and chemistry as applied to sugar cane milling 

  • UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team to maintain continuous milling tandem operation across shifts. 

    UNIT STANDARD CCFO ORGANISING 
    Organising and managing oneself and one`s activities to maximise extraction. 

    UNIT STANDARD CCFO COLLECTING 
    Collecting, analysing and critically evaluating information for controlling process variables. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively with others to ensure optimum milling tandem performance. 

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems regarding the effect of cane preparation on milling and of milling on subsequent processes. 

    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 
    Values

    All learners should demonstrate:

    An application of company ethics, values as well as general safety and customer care principles.
    An awareness of expectations and obligations of basic worker / management relationships. 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Elective  48400   National Certificate: Sugar Processing  Level 2  NQF Level 02  Reregistered  2023-06-30  AgriSETA 


    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. RCL Foods-Sugar & Milling (MP) 



    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.