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: 

Conduct water treatment process control tests 
SAQA US ID UNIT STANDARD TITLE
246461  Conduct water treatment process control tests 
ORIGINATOR
SGB Water Sector 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 12 - Physical Planning and Construction Civil Engineering Construction 
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 replaces: 
US ID Unit Standard Title Pre-2009 NQF Level NQF Level Credits Replacement Status
12334  Conduct water process laboratory tests  Level 2  NQF Level 02  Complete 

PURPOSE OF THE UNIT STANDARD 
This unit standard is intended for persons who are tasked with operating a water treatment plant. Learners will be provided with the knowledge and skills to monitor and control the quality of the product leaving the plant.

Learners completing this unit standard will be able to demonstrate competence in:
  • Calibrating test instruments.
  • Performing physical determinant tests.
  • Performing chemical determinant tests.
  • Conduct settling tests. 

  • LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
  • Communication at NQF Leve1.
  • Mathematical literacy at NQF Level 1. 

  • UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Calibrate test instruments. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Various test instruments and their components are identified according to their usage. 
    ASSESSMENT CRITERION RANGE 
    Various test apparatus refer but are not limited to pH meter, turbidity meter, conductivity meter, chlorine residual meter and colorimeter and dissolved oxygen meter.
     

    ASSESSMENT CRITERION 2 
    Instruments are calibrated in accordance with the manufacturer's instructions. 

    ASSESSMENT CRITERION 3 
    Knowledge of standard operating procedures for each test apparatus is demonstrated in accordance with manufacture's specification. 

    SPECIFIC OUTCOME 2 
    Perform physical determinant tests. 
    OUTCOME RANGE 
    Physical determinants tests refer but are not limited to turbidity test, taste and odour test, jar test, suspended solids and colour test. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Different physical tests are identified and described in terms of SANS 241. 

    ASSESSMENT CRITERION 2 
    Physical testing is demonstrated according to the standard procedures. 

    ASSESSMENT CRITERION 3 
    Results of the test are recorded and compared with the stipulated standards and work policies and procedures for compliance. 
    ASSESSMENT CRITERION RANGE 
    Accepted standards refer to SANS 241.
     

    ASSESSMENT CRITERION 4 
    Action is taken to correct deviation indicated by the test results to meet specifications. 
    ASSESSMENT CRITERION RANGE 
    Action to be taken include but are not limited to adjustment of chemical dosages, mixing intensity, desludging intervals, backwashing of filters, monitor the unit process, sampling and testing.
     

    SPECIFIC OUTCOME 3 
    Perform chemical determinant tests. 
    OUTCOME RANGE 
    Chemical determinant tests refer to pH test, conductivity test and chlorine test. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Different chemical tests are identified and described in terms of SANS 241. 

    ASSESSMENT CRITERION 2 
    Chemical testing is demonstrated according to the standard procedures. 

    ASSESSMENT CRITERION 3 
    Results of the test are compared with stipulated standards for compliance. 
    ASSESSMENT CRITERION RANGE 
    Stipulated standards refer to SANS 241.
     

    ASSESSMENT CRITERION 4 
    Action is taken to correct deviation indicated by the test results to meet specifications. 
    ASSESSMENT CRITERION RANGE 
    Actions to be taken include but are not limited to adjustment of chemical dosages, monitor the unit process, sampling and testing.
     

    SPECIFIC OUTCOME 4 
    Conduct settling tests. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Purpose of the settling test is explained in order to control the flocculation/sedimentation process. 

    ASSESSMENT CRITERION 2 
    Apparatus to conduct the settling test is identified and described in terms of their functions. 
    ASSESSMENT CRITERION RANGE 
    Apparatus refer to but are not limited to stop watch, jar stirrer, filter papers, beakers and funnel.
     

    ASSESSMENT CRITERION 3 
    Samples are collected after coagulation process in preparation for testing. 

    ASSESSMENT CRITERION 4 
    Settling test is conducted using the specific apparatus according to the work policies and procedures. 

    ASSESSMENT CRITERION 5 
    Results of the test are compared with stipulated standards for compliance. 

    ASSESSMENT CRITERION 6 
    Test results are collated for record keeping purposes. 

    ASSESSMENT CRITERION 7 
    Actions to correct deviation as indicated by the test results are described in terms of defined specifications. 
    ASSESSMENT CRITERION RANGE 
    Actions to be taken include but are not limited to adjustment of chemical dosages, mixing intensity, desludging intervals, backwashing of filters, monitor the unit process, re-sample and testing.
     


    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 ETQA.
  • Any institution offering learning that will enable the achievement of this unit standard must be accredited as a provider with the relevant ETQA.
  • Assessment and moderation of assessment will be overseen by 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 at exit points of the qualification, unless ETQA policies specify otherwise. Moderation should also encompass achievement of the competence described both in individual unit standards as well as the integrated competence described in the qualification. 

  • UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Learners should have a knowledge and understanding of:
  • The concepts of sludge production and sludge removal.
  • Jar test.
  • The sedimentation process.
  • The sludge blanket level.
  • Optimum chemical dosing regime.
  • The flocculation process.
  • The coagulation process.
  • Sampling points.
  • Different types of flash mixers.
  • The importance of keeping records and handing over the shift correctly.
  • The importance of delivering samples to the laboratory within agreed time frames. 

  • UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems pertaining to tests in which responses display that responsible decisions using critical and creative thinking have been made by following instructions to take corrective actions. 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team and group in a laboratory when performing tests. 

    UNIT STANDARD CCFO ORGANISING 
    Plan, organise and manage oneself and one`s activities responsibly and effectively in relation to collecting samples for testing. 

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information in preparation for testing. 

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

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically, showing responsibility towards the environment and health of others by following standard procedures when performing physical testing to ensure that results meet organisational specifications. 

    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. 

    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 12334, "Conduct water process laboratory tests", Level 2, 6 credits.

    Integrated Assessment:

    When conducting assessments, assessors must ensure that they are familiar with the full text of the unit standards being assessed. Assessors must ensure that the assessment covers the specific outcomes, critical cross-field outcomes and essential embedded knowledge by developing assessment activities and tools, which are appropriate to the contexts in which the learners are working. These activities and tools may include self-assessment, peer assessment, formative and summative assessment. It may be more effective and efficient to assess a number of unit standards together in an integrated way, thus reducing the overall number of assessments and ensuring that commonalities that exist between a number of unit standards are captured in a way that makes sense for assessment.

    Assessment Option:

    Learners could be assessed using the following methods:
  • Oral or written questions.
  • Observation.
  • Simulation. 

  • QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  58951   National Certificate: Water and Wastewater Treatment Process Operations  Level 2  NQF Level 02  Reregistered  2023-06-30  EWSETA 


    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.
     
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    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.