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: 

Assess poor quality support installations 
SAQA US ID UNIT STANDARD TITLE
253036  Assess poor quality support installations 
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 
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 
This unit standard will be useful to people who are responsible for assessing the quality of support installed to achieve excavation stability.

People credited with this unit standard are able to:
  • Demonstrate knowledge of methods available for assessing the quality of support installations.
  • Demonstrate knowledge of the signs of poor quality support installation.
  • Record and report poor quality support installation.
  • The consequences of not communicating poor quality support installation. 

  • 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 relating to National Introductory Certificate to Mining and Minerals (NQF Level 1). 

  • UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Demonstrate knowledge of methods available for assessing the quality of support installations. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The importance of assessing the quality of support installation is explained in the context of mining operations. 

    ASSESSMENT CRITERION 2 
    Support installation quality assessment methods are explained in the context of mining operations. 
    ASSESSMENT CRITERION RANGE 
  • Visual observation.
  • Tape/distometer measurements.
  • Pull tests.
  • Load cells.
  • Tachometer for checking revolution speed of roofbolting machines.
     

  • SPECIFIC OUTCOME 2 
    Demonstrate knowledge of the signs of poor quality support installation. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The signs of possible incorrect support installation are explained in the context of mining operations. 
    ASSESSMENT CRITERION RANGE 
  • Incorrect installation angle (all types).
  • Pre-stressing load indicator devices not activated (tendons).
  • Excessively deformed pre-stressing units (elongates and packs).
  • Premature support unit failure (all types).
  • Installation spacing not to mine standard (all types).
  • Installation quality not to mine standard (all types).
  • Buckling of support units (elongates and packs).
  • Support "ride" on footwall (elongates and packs).
  • Non-design failure modes (all types).
  • Falls of ground (all types).
  • Tendon cut- off sections (tendons).
  • Expired use-by dates on support materials (all types).
  • Incompletely grout-filled holes (tendons).
  • Sections of tendon protruding from hole (tendons).
  • Damaged nuts and threads on tendons (tendons).
  • Incorrect sequence of hole filling for multi setting speed resin installations (tendons).
  • Incorrect relationship between tendon diameter and hole size (tendons).
  • Incorrect application thickness and consistency of sprayed area support systems.
  • Incorrect preparation prior to installing support (sprayed support systems, backfill).
  • Damaged sections of support units and ancillaries - load-spreading or pre-stressing devices.
  • Non-adherence to manufacturers' specifications.
     

  • ASSESSMENT CRITERION 2 
    The consequences of not identifying incorrect support installation are explained in terms of the occupational health and safety of workers are explained. 

    SPECIFIC OUTCOME 3 
    Record and report poor quality support installation. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The support quality checklist is chosen in accordance with the relevant procedure. 
    ASSESSMENT CRITERION RANGE 
  • On-reef stoping excavations.
  • On-reef development excavations.
  • Off-reef excavations.
  • High walls.
  • Bord and pillar workings.
  • Longwalls.
  • Large excavations.
  • Higher risk excavations.
     

  • ASSESSMENT CRITERION 2 
    The appropriate checklists are completed in accordance with the relevant procedure. 

    ASSESSMENT CRITERION 3 
    The results are communicated to the responsible mining supervisors in accordance with the relevant procedure. 

    SPECIFIC OUTCOME 4 
    Demonstrate knowledge relating to the consequences of not communicating poor quality support installation. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The consequences of not communicating poor quality support installation are explained in terms of the impact on people, mining operations, infrastructure and mine profitability. 

    ASSESSMENT CRITERION 2 
    The consequences of not following up on poor quality support installation are provided in terms of the impact on people, mining operations, infrastructure and mine profitability. 

    ASSESSMENT CRITERION 3 
    The need for recording and communication of follow ups, on poor quality installations is provided in terms of the impact on people, mining operations, infrastructure and mine profitability. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Anyone assessing a learner or moderating the assessment of a leaner against this unit standard must be registered as an assessor with the relevant Education, Training, Quality, Assurance (ETQA) Body, or with ETQA that has a Memorandum of Understanding with relevant ETQA.
  • Any institution offering learning that will enable achievement of this unit standard must be accredited as a provider with relevant Education, Training, Quality, Assurance (ETQA) Body, or with ETQA that has a Memorandum of Understanding with relevant ETQA.
  • Assessment and moderation of assessment will be overseen by the relevant Education, Training, Quality, Assurance (ETQA) Body, or with ETQA that has a Memorandum of Understanding with relevant ETQA, according to 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 the understanding of support installation quality:
  • Purpose.
  • Tools, materials and equipment.
  • Methods.

    Occupational Health, Safety and Environmental issues:
  • Significant hazards and risks related to support installation quality.
  • Safe working practices.
  • Standards.

    Applicable statutory requirements:
  • Codes of practice.

    Communication:
  • Reporting requirements and ability.
  • Communicating with relevant personnel.
  • Liaison with associated operations and personnel. 

  • 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 identify poor support installation and address the situation to ensure safety will confirm. 

  • 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 indicate poor support installation and promote good support installation quality within the mining team confirms. 

  • UNIT STANDARD CCFO ORGANISING 
    Organise and manage themselves and their activities responsibly and effectively.
  • Note: The ability of the learner to select the correct equipment and methodology to assess the quality of various support installations and communicate the findings confirms. 

  • UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information.
  • Note: The ability of the learner to identify and assess poor support quality installation confirms. 

  • 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 other personnel with regard to poor support quality installation confirms. 

  • UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically, showing responsibility towards the environment and health of others.
  • Note: The use of science and technology is promoted through the use of quality assessment equipment. 

  • 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 understanding of the need for recording and reporting poorly installed support systems in an attempt to ensure the health and safety of mining personnel confirms. 

  • 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:

    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/instructions.

    Site-Specific:
  • Managerial Instructions.
  • Hazard Identification and Risk Assessments (HIRA).
  • Occupational Health and Safety Risk Management Programme.
  • List of Recorded OH&S Risks.
  • Voluntary Codes of Practice.
  • Manufacturers Specifications.
  • Equipment and Materials Specifications.
  • Working Guides.
  • Mine Standard Procedures.
  • Risk Assessment Documents.
  • South African Bureau of Standards and other standards.

    Unit Standard Justification:

    Level

    Attribute; Level; Justification:
  • Skills; Level 2; Moderate in range.
  • Procedures; Level 3; Significant choice.
  • Context; Level 2; Routine and familiar.
  • Knowledge; Level 2; Basic operational.
  • Information processing; Level 2; Basic processing of readily available information.
  • Problem Solving; Level 1; 0.
  • Orientation of activities; Level 1; Directed.
  • Orientation of scope of responsibility; Level 2; Some responsibility for quantity and quality, and possible responsibility for guiding others.
  • Application of responsibility; Level 3; Under general supervision quality checking.

    Average Level = 2.00.
    Actual Levels Assigned = 2.

    Credits:

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

    Activity; Hours:
  • Classroom Teaching; 8 hours.
  • On-The-Job Training; 32 hours.
  • Mentoring required; 0 hours.
  • Other (Specify); 0 hours.

    Total: 40.

    Credits Achieved: 40/10 = 4.
    Credits Assigned = 4. 

  • QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  59549   National Certificate: Strata Control Operations  Level 2  NQF Level 02  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 
    2. ANGLOGOLD ASHANTI LTD (V/R) 
    3. KHUTALA COLLIERY 
    4. MESSINA PLATINUM MINES 
    5. Palabora Copper Pty Ltd 
    6. SIBANYE GOLD ACADEMY PROPRIETARY LIMITED 
    7. WESTERN PLATINUM MINE 
    8. XTRACT TRAINING SERVICES (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.