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c . National standards . Detailed knowledge of this standard ( with particular clauses ) * Knowledge required of the text but no requirement for carrying out calculations . ( Items 1 to 11 In level A ) d . Practical experience , for example in plant installation , operation , maintenance and repair for a period of at least three years .
• Level C A person with competence in level C ( that complies with the minimum relevant national requirement ) shall : a . be competent to ensure that a refrigerating system complies with the requirements of this standard that concern health , safety , environmental protection and energy efficiency ; b . have specialised and in-depth knowledge of legislation and regulations relating to refrigerating systems and heat pumps ; c . be able to design systems , develop and check piping and instrumentation diagrams , instructions , manuals , etc .; and d . be able to give instructions concerning safety measures and procedures for the used refrigerants , etc .
The minimum requirements for theoretical knowledge and practical experience for level C shall be as follows : a . Knowledge of health and safety requirements . b . Legislation : Specialised and in-depth knowledge of the relevant national legislation ( see foreword ), and the Montreal Protocol on substances that deplete the ozone layer . c . National standards . Specialised and in-depth knowledge of this standard . d . Specialised and in-depth knowledge and skills concerning : items 1 to 11 In level A . e . Technical experience , for example in design , construction , installation , operation , maintenance and repair .
ASSESSMENT OF COMPETENCE All persons who demonstrate their practical and theoretical competence by being successfully assessed by an approved organisation shall receive a certificate of competence and be registered with the relevant national body .
The certification of competence shall be as required by the relevant national body . The theoretical and practical assessment shall cover all the parts of the respective training programme .
NOTE : Some aspects of a person ’ s competence will need to be reassessed on a regular basis .
MAINTENANCE OF COMPETENCE Persons shall maintain their competence , as appropriate , for example by the study of relevant literature , and doing practical work . i . e ; renewal of authorised refrigeration practitioner registration .
Dawie , I hope that this helps with your understanding of the minimum requirements and the alignment between the pressure vessel regulation and SANS .
TO SUM UP :
• Level / category A : Assistants , operators , learners , apprentices and semi skilled workers fall into this category . With exception of A2 and A4 , certificates of conformance cannot be issued .
• Level / category B : In general trade tested artisans / technicians with the relevant experience is required . Can issue Certificates of Conformance .
• Level / category C inspector : Previous registration as a refrigeration mechanic is a requirement plus an assessment in the inspection of refrigeration plant as per Unit Standard 262159 , plus knowledge of SANS10147 , SANS347 and the OHS Act and Regulations .
• Level / category C designer : This category is aimed at those who design refrigeration systems and refrigeration related to air conditioning at different levels . A technical / engineering diploma or degree is a requirement . RACA
REFERENCES : 1 . ACRA 2 . SANS 10147 - 2014 3 . Pressure Equipment Regulations - 01 October 2009 4 . Occupational Health and Safety Act Number 85 of 1993 . Revision 1 - 2015 and Revision 2 November 2017 .
" Persons shall maintain their competence , as appropriate , for example by the study of relevant literature , and doing practical work ."
Thank you for all your questions . Send your problems ( and sometimes your creative solutions ) to acra @ netactive . co . za with ‘ Solutions Page ’ in the subject line . You may include pictures .
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RACA Journal I November 2022 www . refrigerationandaircon . co . za