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

Apply trigonometry equations to calculate pitch, height and span 
SAQA US ID UNIT STANDARD TITLE
263758  Apply trigonometry equations to calculate pitch, height and span 
ORIGINATOR
SGB Forestry 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 01 - Agriculture and Nature Conservation Forestry and Wood Technology 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 4  NQF Level 04  4 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "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 
The use of trigonometric applications in the roofing industry is key. People credited with this unit standard are able to:
  • Name, discuss and apply the trigonometric equations.
  • Apply the relevant trigonometric equation to calculate the height of a truss.
  • Apply the relevant trigonometric equation to calculate the span and pitch of a truss. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    Communication and Mathematical Literacy at NQF Level 3.

    Recognition of Prior Learning:
  • Persons who are able to demonstrate workplace experience comparable or equivalent to the competence requirements of the unit standard will be given credit, in line with assessment processes. 
    		•

    UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    List and discuss the trigonometry equations. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Trigonometric equations are identified in terms of their purpose and application. 

    ASSESSMENT CRITERION 2 
    The need for trigonometric equations in roofing calculations is identified for calculating pitch, height and span. 

    SPECIFIC OUTCOME 2 
    Apply the relevant trigonometric equation to calculate the height of a truss. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The underside height of a truss is calculated in accordance with acceptable mathematical protocols. 

    ASSESSMENT CRITERION 2 
    The top chord depth at specific angles is calculated in accordance with acceptable mathematical protocols. 

    ASSESSMENT CRITERION 3 
    The overall height is calculated in accordance with acceptable mathematical protocols. 

    SPECIFIC OUTCOME 3 
    Apply the relevant trigonometric equation to calculate the span and pitch of a truss. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The relevant wall angle is identified from given information. 

    ASSESSMENT CRITERION 2 
    The span of the girder is calculated in accordance with acceptable mathematical protocols. 

    ASSESSMENT CRITERION 3 
    The underside height of a standard truss is calculated in accordance with acceptable mathematical protocols. 

    ASSESSMENT CRITERION 4 
    The pitch of girder is determined from all available information. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Anyone assessing a candidate against this unit standard must be registered as an assessor with the relevant ETQA.
  • Any institution offering learning that will enable achievement of this unit standard must be accredited as a provider through the relevant ETQA.
  • Moderation of assessment will be overseen by the relevant ETQA according to the moderation guidelines and the agreed ETQA procedures. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Knowledge considered critical to the successful achievement of this unit is covered in the specific outcomes and assessment criteria. This includes:
  • Identifying and applying relevant formulae for calculations.
  • Knowing how to check calculations for accuracy.
  • Calculating angles.
  • Calculating height.
  • Calculating length. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify correct trigonometric equation and apply to problem solving.

    Range: Pitch, span and height. 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others and in teams. 

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage oneself and one's activities responsibly and effectively by gathering all relevant information to make the necessary calculations. 

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information in respect of pitch, height and span. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively using visual, mathematical and/or language skills. 

    UNIT STANDARD CCFO DEMONSTRATING 
    Understand the implications of incorrect calculations for roof solutions. 

    UNIT STANDARD ASSESSOR CRITERIA 
    To register as an assessor, an applicant needs:
  • Detailed documentary proof of educational qualification, practical training undergone, and experience gained by the applicant (Portfolio of Evidence).
  • A recognised assessor qualification.

    In particular, assessors should assess that the learner demonstrates an ability to consider a range of options by:
  • Measuring the quality of the observed practical performance as well as the theory and underpinning knowledge.
  • Using methods that are varied to allow the learner to display thinking and decision making in the demonstration of practical performance.
  • Maintaining a balance between practical performance and theoretical assessment methods to ensure each is measured in accordance with the level of the qualification.
  • Taking into account that the relationship between practical and theoretical is not fixed but varies according to the type and level of qualification. 
    		•

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    The Outcomes that Learners achieve will be judged subject to these being achieved:
  • Within the standard time prescribed by the organisation.
  • Strictly according to the organisation`s work place procedures.

    Values:
  • The use of tasks and materials in the learning event plan should not discriminate against learners on any grounds prescribed in the Bill of Rights and Employment Equity Act and should promote the orientations outlined in the critical cross-field outcomes. 
    		•

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  66370   Further Education and Training Certificate: Roof Truss Technology  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2015-06-30  FPMSETA 


    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. Mitek Industries SA ( 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.