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: 

Install automatic and manual control valves in an irrigation system 
SAQA US ID UNIT STANDARD TITLE
264040  Install automatic and manual control valves in an irrigation system 
ORIGINATOR
SGB Ornamental Horticulture and Landscape 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 01 - Agriculture and Nature Conservation Horticulture 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 2  NQF Level 02  12 
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 person credited with this unit standard will be able to:
  • Install a range of manually operated valves in an irrigation system.
  • Install non return and foot valves in an irrigation system.
  • Select the correct positions in an irrigation system to install air release valves.
  • Identify the situations when a pressure reducing valve is necessary.
  • Install pressure relief and pressure reducing valves in an irrigation system.
  • Understand the operation and uses of a solenoid valve for irrigation control. 

  • LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    Learners accessing this qualification will have demonstrated competence in:
  • Communication at NQF Level 1 or equivalent.
  • Mathematical Literacy at NQF Level 1 or equivalent. 

  • UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Identify the various manually operated valves. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The different types of manually operated valves are described within the context of their uses in an irrigation system according to manufacturer's specifications. 

    ASSESSMENT CRITERION 2 
    The particular features of a gate valve are described in terms of its construction and slow closing characteristics and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 3 
    The particular features of a stop cock are described in terms of its positive sealing and slow closing characteristics and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 4 
    The particular features of a ball cock are described in terms of its ease of opening and the techniques for the installation of this valve are demonstrated in accordance procedures. 

    ASSESSMENT CRITERION 5 
    The particular features of a butterfly valve are described in terms of its compact construction and ease of operation and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 6 
    The particular features of a diaphragm valve are described in terms of its positive sealing and ease of maintenance and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 7 
    The reasons why gate valves should not be utilised as sprayline control valves are explained within the context of their "metal to metal" means of closure. 

    ASSESSMENT CRITERION 8 
    The benefits of using ball cocks as sprayline control valves are explained within the context of their "metal to Teflon" means of closure. 

    SPECIFIC OUTCOME 2 
    Identify the various direction control valves. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The different types of non return valves are described within the context of their uses in an irrigation system according to manufacturer's specifications. 

    ASSESSMENT CRITERION 2 
    The particular features of a piston NRV are described in terms of its positive sealing and spring return and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 3 
    The particular features of a pilot controlled diaphragm NRV are described in terms of its controlled closure and positive sealing and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 4 
    The operation of a "swing" NRV is described in terms of its sudden closure and tendency to cause water hammer in a system according to manufacturer's specifications. 

    ASSESSMENT CRITERION 5 
    The particular features of a wafer NRV are described in terms of its compact construction and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 6 
    The particular features of a footvalve are described in terms of its filtration capabilities and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    SPECIFIC OUTCOME 3 
    Describe the various types of air valves, their method of operation and the techniques to install them in an irrigation system. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The important role that an air release valve plays in an irrigation system is explained within the context of the removal of air and the lessening of water hammer in an irrigation system. 

    ASSESSMENT CRITERION 2 
    The function of a vacuum breaker valve in an irrigation system is explained with regards to the protection against a pipe collapse and the ingress of air when a pipeline is drained. 

    ASSESSMENT CRITERION 3 
    A pressure air release valve is described in terms of its method of operation and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 4 
    A kinetic air release valve is described in terms of its ability to purge a large volume of air and the techniques for the installation of this valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 5 
    The advantages of using a dual acting air release and vacuum release valve are explained with regard to its flexibility and efficiency. 

    SPECIFIC OUTCOME 4 
    Describe the various types of pressure control valves, their method of operation and the techniques to install them in an irrigation system. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The occasions when a pressure reducing valve is required are explained in terms of the situations where a static pressure exceeds the pressure rating of the irrigation equipment. 

    ASSESSMENT CRITERION 2 
    The techniques for the installation and setting of a pressure reducing valve are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 3 
    The occasions when a pressure relief valve is required are explained in terms of the situations where the pressure may rise above the pressure rating of the piping and irrigation equipment. 

    ASSESSMENT CRITERION 4 
    The techniques for the installation and setting of a pressure relief valve are demonstrated in accordance with the company's procedures. 

    SPECIFIC OUTCOME 5 
    Describe the various uses of a remote controlled solenoid valve, its method of operation and the techniques to install them in an irrigation system. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The different uses that an irrigation solenoid valve can have in an irrigation system are explained with regard to the particular remote functions that they can perform. 

    ASSESSMENT CRITERION 2 
    The method by which an irrigation solenoid valve operates is described in terms of its 24volt solenoid actuator and the hydraulic closure mechanism. 

    ASSESSMENT CRITERION 3 
    The techniques for the installation and setting of a solenoid valve, when installed for tank filling, are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 4 
    The techniques for the installation and setting of a solenoid valve, when installed for sprayline control, are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 5 
    The methods of connecting the solenoid's wires to the cables from an automatic irrigation controller are demonstrated in accordance with the company's procedures. 

    ASSESSMENT CRITERION 6 
    The importance of using a waterproof cable joint is explained with respect to the corrosion that will take place if this is ignored. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Anyone assessing a learner or moderating the assessment of a learner against the qualification must be registered as an assessor with the relevant Education and Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Any institution offering learning that will enable the achievement of this qualification must be accredited as a provider with the relevant Education and Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Assessment and moderation of assessment will be overseen by the relevant Education and Training, Quality, Assurance (ETQA) Body, or by an ETQA that has a Memorandum of Understanding with 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, unless ETQA policies specify otherwise. Moderation should also encompass achievement of the competence described in the associated unit standards.
  • Anyone wishing to be assessed against this qualification 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 
    Embedded knowledge is reflected in the Assessment Criteria for each Specific Outcome. 

    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:
  • Utilising the correct control valve to suit the landscaping circumstances. 

  • UNIT STANDARD CCFO ORGANISING 
    The learner is able to organise and manage oneself and one's activities responsibly and effectively by:
  • Preparing to install the solenoid valves in an irrigation system. 

  • UNIT STANDARD CCFO COMMUNICATING 
    The learner is able to communicate effectively using visual, mathematical and/or language skills in the modes of oral and/or written presentation by:
  • Reporting on the static pressure that has been measured and recommending that a pressure reducing valve be installed. 

  • UNIT STANDARD CCFO SCIENCE 
    The learner is able to use science and technology effectively and critically, showing responsibility towards the environment and health of others by:
  • Describing how the solenoid actuator controls the hydraulics to open and shut the valve. 

  • UNIT STANDARD CCFO DEMONSTRATING 
    The learner is able to demonstrate an understanding of the world as a set of related systems by recognizing that problem-solving contexts do not exist in isolation:
  • Evident in all Specific Outcomes. 

  • UNIT STANDARD CCFO CONTRIBUTING 
    The learner is able to contribute to the full personal development of themselves and the social and economic development of the society at large:
  • Evident in 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 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  66429   National Certificate: Landscape Irrigation  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.
     
    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.