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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD: 

Demonstrate understanding of solid, liquid and gas storage methods 
SAQA US ID UNIT STANDARD TITLE
244069  Demonstrate understanding of solid, liquid and gas storage methods 
ORIGINATOR
Chemical Industries SGB 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Engineering and Related Design 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 1  NQF Level 01 
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 
Learners who demonstrate competence as described in the outcomes of this unit standard will be able to explain the storage of liquids, solids and gases in a processing environment.

The qualifying learner is able to:
  • Explain liquid, gas and solids storage principles.
  • Describe different storage methods for liquids.
  • Describe different storage methods for gases.
  • Describe different storage methods for solids. 

  • LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    Learners accessing this unit standard will have demonstrated competence against numeracy and literacy at ABET Level 3 or equivalent. 

    UNIT STANDARD RANGE 
    The typical context of this unit standard includes any processing environment, for example chemical-, minerals- or beverage processing.

    Range statements, which are applicable to the unit standard titles, specific outcomes and assessment criteria are found beneath the applicable assessment criteria. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Demonstrate an understanding of the principles of storage. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Purpose of storage of raw materials and final products is defined in accordance with industry requirements. 

    ASSESSMENT CRITERION 2 
    The hazards associated with bulk storage are identified and described in terms of processing applications. 

    ASSESSMENT CRITERION 3 
    Safety devices and safety procedures applied to storage of materials are described according to procedures. 

    ASSESSMENT CRITERION 4 
    The importance and methods to maintain stored product quality are explained in terms of process applications. 

    ASSESSMENT CRITERION 5 
    The importance and methods to minimise storage losses are explained in terms of process applications. 

    SPECIFIC OUTCOME 2 
    Describe different storage methods for liquids. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Liquid storage methods are identified and described in accordance with industry requirements. 
    ASSESSMENT CRITERION RANGE 
    Storage methods include horizontal tanks, vertical tanks, ponds, bunkers, bulk containers, intermediate bulk containers, drums and small containers.
     

    ASSESSMENT CRITERION 2 
    The principles of the different liquid storage methods and the addition and removal of liquid are stated in terms of process applications. 

    ASSESSMENT CRITERION 3 
    Advantages and disadvantages of different liquid storage methods are listed in terms of process applications. 

    ASSESSMENT CRITERION 4 
    Freehand drawings are used to explain the features of different roof configurations used in bulk storage tanks. 
    ASSESSMENT CRITERION RANGE 
    Roof configurations include floating roofs, conical roofs, dome roofs and open roofs.
     

    ASSESSMENT CRITERION 5 
    Freehand drawings are used to explain the purpose and configuration of other features in bulk storage tanks. 
    ASSESSMENT CRITERION RANGE 
    Features include tank bottom configuration, inlet and outlet configurations, sumps, drainage arrangements, sample points, mixing attachments, cooling and heating features, recirculation systems, ventilation, access points, level gauges.
     

    ASSESSMENT CRITERION 6 
    Corrosion protection options are described in terms of process applications. 

    ASSESSMENT CRITERION 7 
    Gas storage methods are listed and explained in accordance with industry requirements. 
    ASSESSMENT CRITERION RANGE 
    Storage methods include horizontal bullets, vertical bulk storage gas tanks, mounded storage, spheres and cylinders.
     

    SPECIFIC OUTCOME 3 
    Describe different storage methods for gases. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Gas storage methods are described and freehand drawings are used to explain the features of each method. 

    ASSESSMENT CRITERION 2 
    The principles of the different gas storage methods and the addition and removal of gas are explained in terms of process applications. 

    ASSESSMENT CRITERION 3 
    Advantages and disadvantages of different gas storage methods are listed as applicable to process applications. 

    SPECIFIC OUTCOME 4 
    Describe different storage methods for solid materials. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Solid material storage methods are listed and identified in accordance with industry requirements. 
    ASSESSMENT CRITERION RANGE 
    Storage methods include bunkers, silos, hoppers, bins, bags, storage piles.
     

    ASSESSMENT CRITERION 2 
    Freehand drawings and short descriptions are used to explain the features of each solid material storage method. 

    ASSESSMENT CRITERION 3 
    The principles of different solid material storage methods, the addition of materials and the reclamation of materials are stated in terms of process applications. 

    ASSESSMENT CRITERION 4 
    Advantages and disadvantages of different solid material storage methods are given as applicable to process applications. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • An assessor, accredited with a relevant NQF 1 or higher qualification, will assess the learner's competency.
  • Anyone assessing a learner or moderating the assessment of a learner against this Unit Standard must be registered as an assessor with the relevant ETQA.
  • Direct observation in simulated or actual work conditions is required. 

  • UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Qualifying learners understand and can:
  • Explain liquid, gas and solids storage principles.
  • Describe different storage methods for liquids.
  • Describe different storage methods for gases.
  • Describe different storage methods for solids. 

  • UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    The learner is able to identify and solve problems in which responses display that responsible decisions, using critical and creative thinking, have been made by:
  • Comparing the advantages and disadvantages of different storage methods. 

  • UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team, group, organisation or community by:
  • Maintaining sound relations with co-workers/learners.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO ORGANISING 
    The learner is able to organise and manage himself and his activities responsibly and effectively. 

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information when:
  • Evident in all Specific Outcomes.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively by using mathematical and/or language skills in the modes of oral and/or written presentations by:
  • Using sketches to explain the features of different storage methods.
  • Using sketches to explain the purpose and configuration of different storage methods.

    Refer to the following Specific Outcome/s:
  • Describe different storage methods for liquids.
  • Describe different storage methods for gases.
  • Describe different storage methods for solid materials. 

  • UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically, showing responsibility towards the environment and health of others when:
  • Sketches are made to explain different storage methods.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems by:
  • Recognising that storage of solids, liquids and gases does not exist in isolation.

    Refer to all Specific Outcomes. 

  • UNIT STANDARD CCFO CONTRIBUTING 
    Contribute to the full personal development of each learner and the social and economic development of the society at large by:
  • Understanding the role of the storage of solids, liquids and gases in the processing environment and the effect it has on the growth and development of the organisation, its customers and employees.

    Refer to all Specific Outcomes. 

  • 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 
    Supplementary Information:

    Terms and definitions:
  • Standard operating procedures (SOP) means the documented practice(s) defining the who, what, and when of quality activities.
  • Process means the manufacturing process where a product is manufactured using machinery and equipment with limited guidance or control from the learner.
  • Process and operating specifications means the measurements and indications of all variables monitored during operations including temperatures, pressures, speed, flow rates, power consumption, noise, vibration and visual indicators. 

  • QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  66029   General Education and Training Certificate: Chemical Operations  Level 1  NQF Level 01  Reregistered  2023-06-30  As per Learning Programmes recorded against this Qual 


    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.