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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Demonstrate knowledge of the purpose of a wastewater treatment works 
SAQA US ID UNIT STANDARD TITLE
12034  Demonstrate knowledge of the purpose of a wastewater treatment works 
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 1  NQF Level 01  5 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2005-02-09  2007-11-28  SAQA 1058/05 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2008-11-28   2011-11-28  

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 is replaced by: 
US ID Unit Standard Title Pre-2009 NQF Level NQF Level Credits Replacement Status
246460  Demonstrate basic knowledge of the wastewater treatment process  Level 2  NQF Level 02  8   

PURPOSE OF THE UNIT STANDARD 
The qualifying learner achieving this unit standard in combination with context expertise standard(s) will be able to explain the elements of a wastewater treatment works as well as the purpose of the works. This competence will enable the learner to understand the wastewater treatment process and his/ her role in the process. This competence will enable the learner to work effectively in both rural and urban wastewater treatment works. This will contribute towards the smooth running of the wastewater treatment works and the sustainability of the environment. 

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
Literacy NQF level 1. 

UNIT STANDARD RANGE 
The learner must know all of the range.

Sources of wastewater:
Industrial effluent, domestic effluent (septic tank, conservancy tank, night soil and storm water).

Personal protective equipment:
Overalls, gloves, gumboots, safety shoes, mask.

Hazards:
Methane gas, moving machinery, confined spaces, chlorine, aeration basin, H2S. 

Specific Outcomes and Assessment Criteria: 

SPECIFIC OUTCOME 1 
Explain the properties of water and water contaminants 

ASSESSMENT CRITERIA 

ASSESSMENT CRITERION 1 
1. Water phases are explained. 

ASSESSMENT CRITERION 2 
2. Dissolved water contaminants are explained. 

ASSESSMENT CRITERION 3 
3. Non-dissolved water contaminants are explained. 

SPECIFIC OUTCOME 2 
Explain different sources of wastewater 

ASSESSMENT CRITERIA 

ASSESSMENT CRITERION 1 
1. All sources of wastewater are explained. 

SPECIFIC OUTCOME 3 
Explain the objectives and principles of wastewater treatment 

ASSESSMENT CRITERIA 

ASSESSMENT CRITERION 1 
1. The objectives of wastewater treatment are explained. 

ASSESSMENT CRITERION 2 
2. The principles of wastewater treatment are explained. 

SPECIFIC OUTCOME 4 
Explain the purpose of a wastewater works 

ASSESSMENT CRITERIA 

ASSESSMENT CRITERION 1 
1. The purpose of the inlet works is explained. 

ASSESSMENT CRITERION 2 
2. The purpose of the primary treatment process is explained. 

ASSESSMENT CRITERION 3 
3. The purpose of the secondary treatment process is explained. 

ASSESSMENT CRITERION 4 
4. The purpose of the solids handling process is explained. 

ASSESSMENT CRITERION 5 
5. The purpose of the tertiary treatment process is explained. 

ASSESSMENT CRITERION 6 
6. A typical wastewater treatment works layout is sketched. 

SPECIFIC OUTCOME 5 
Explain different types of sanitation systems 

ASSESSMENT CRITERIA 

ASSESSMENT CRITERION 1 
1. Water borne sewage is explained. 

ASSESSMENT CRITERION 2 
2. Non-water borne sources of sewage are explained. 

SPECIFIC OUTCOME 6 
Explain the purpose and care of tools on a wastewater treatment works 

ASSESSMENT CRITERIA 

ASSESSMENT CRITERION 1 
1. Tools are identified. 

ASSESSMENT CRITERION 2 
2. The purpose of each tool is explained. 

ASSESSMENT CRITERION 3 
3. The maintenance and care of tools is explained. 

SPECIFIC OUTCOME 7 
Explain health and safety requirements at a wastewater treatment works 

ASSESSMENT CRITERIA 

ASSESSMENT CRITERION 1 
1. Personal hygiene requirements are explained. 

ASSESSMENT CRITERION 2 
2. Personal protective equipment is identified. 

ASSESSMENT CRITERION 3 
3. The use of personal protective equipment is explained and demonstrated. 

ASSESSMENT CRITERION 4 
4. Hazards on a wastewater works are identified and safe working practices are demonstrated and explained. 


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:
  • National legislation related to a wastewater treatment works
  • Different uses of wastewater
  • Recognised users of water
  • The importance of knowing wastewater treatment works procedures relating to own job
  • Other types of non-water borne sewage
  • The importance of maintaining and caring for tools
  • The importance of ensuring personal protective equipment is maintained in good working order
  • The importance of following health and safety procedures 
    		•


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems in which responses display that responsible decisions using critical and creative thinking have been made.

    Assessment criteria:
  • The use of personal protective equipment is explained and demonstrated.
  • Hazards on a wastewater works are identified and safe working practices are demonstrated and explained. 
    		•

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

    Assessment criteria:
  • The maintenance and care of tools is explained. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Plan, organise and manage oneself and one`s activities responsibly and effectively.

    Assessment criteria:
  • None. 
    		•

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

    Assessment criteria:
  • All. 
    		•

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

    Assessment criteria:
  • All. 
    		•

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically, showing responsibility towards the environment and health of others.

    Assessment criteria:
  • The objectives of wastewater treatment are explained.
  • The principles of wastewater treatment are explained.
  • The use of personal protective equipment is explained and demonstrated. 
    		•

    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.

    Assessment criteria:
  • All. 
    		•

    UNIT STANDARD NOTES 
    This unit standard has been replaced by unit standard 246460, which is "Demonstrate basic knowledge of the wastewater treatment process", Level 2, 5 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
    Simulation 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  22673   National Certificate: Wastewater Process Operations  Level 2  NQF Level 02  Passed the End Date -
    Status was "Reregistered"     		 2007-11-28  Was EWSETA until Last Date for Achievement 


    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.