Unit Ex010

Perform audit inspection of electrical installations in or associated with explosive atmospheres

Scope

This Unit of Competence covers the explosion-protection aspects of conducting an audit of an electrical installation. It requires the ability to verify whether an installation complies with the relevant hazardous area Standards for that installation and includes the verification of design and certification documentation (verification dossier), maintenance, overhaul and repair, work safety, inspection against Standards and reporting of audit results.

This unit of competence is based on IEC 60079-14 and IEC 60079-17 and any other relevant standards that may apply.

The applicant shall have the level of technical education (or equivalent) attained, relevant to the application, through documents such as Degree, Diploma, College Certificates, Trade Credentials etc. A minimum 3 years experience in general electrical installation or inspection practice, a minimum of 2 years experience in Hazardous Area electrical installation inspection practice.

Competence in this unit shall be assessed either concurrently with or after Units Ex 002, Ex 008 and Ex 009.

Assessment of training and competence:

Each applicant will be required to demonstrate their competence through theoretical tests relevant to the competence applied for:

A rigorous theoretical exam will take the form of both Selected Response and Constructed Response questions. The duration of a knowledge test shall be based on the following:

  • Selected Response Questions – 2 minutes per answer
  • Constructed Response Questions – 3 minutes per short answer, 5 minutes per extended answer and 3 minutes per calculation.

The following is an example of the number of questions and duration of assessment for Unit 010 based on Units 001, 002, 008 & 009 Competence having being granted for Flameproof Ex d, Increased Safety Ex e and Intrinsically Safe Ex i. The assessment time is based on an average of 2 minutes for selected response questions and 4 minutes for constructed response question.

OD504
Clause
Selected
Response A
(100% correct)
Selected
Response B
(80% correct)
Constructed
Response C
(80% correct)
Total number
of items
Assessment
Time
5.22 6 8 2 16 36 Mins
5.23 4 5 2 12 26 Mins
5.27 4 6 4 12 28 Mins
5.37 Practical Assessment (inc. 5.39, 5.43, 5.44 & 5.46) 4 Hrs
5.38 4 4 2 10 24 Mins
5.39 Practical Assessment (see 5.37)  
5.40 4 4 3 11 28 Mins
5.41 4 4 3 11 28 Mins
5.42 6 6 3 15 36 Mins
5.43 Practical Assessment (see 5.37)  
5.44 Practical Assessment (see 5.37)  
5.45 6 8 3 17 40 Mins
5.46 Practical Assessment (see 5.37)  
  8 Hrs 34 Mins

Where multiple Units are assessed during the same assessment activity the questions used on one Unit need not be repeated in the assessment of subsequent Units. For example, where an assessment is undertaken for Unit Ex 003 and Ex 004 together it is not necessary to repeat those Clauses of OD 504 already covered in Ex 003 when assessing for Ex 004

 

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OD503 Fig 1B - The Pathway to obtaining an IECEx CoPC for units Ex 001 – Ex 010

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