Unit Ex008 - Perform Detailed Inspection of electrical installations in or associated with explosive atmospheres (under development)

Scope

This Unit of Competency covers the explosion-protection aspects of conducting initial, periodic and sample audit inspections of explosion-protected equipment and installations. It requires the ability to audit a verification dossier, work safely in a hazardous area, inspect against Standards and report and act on inspection results. This unit of competency is based on IEC 60079-14 & IEC 60079-17 and any other relevant standards that may apply.

Scope limitation(s)

Competency shall be demonstrated in relation to any classified hazardous area and explosion-protection technique. Any scope limitations shall be included in the application according to OD 502.

Prerequisites

The applicant shall have the level of technical education (or equivalent) attained, relevant to the application, through documents such as College Certificates and Trade Credentials etc. A minimum 3 years experience in general electrical installation practice and a minimum of 2 years experience in Hazardous Area electrical installation practice. Competence in this unit shall be assessed either concurrently with or after competencies in
Unit Ex 003 – Install explosion-protected equipment and wiring systems or Unit Ex 004 – Maintain equipment in explosive atmospheres have been achieved. Alternatively, competencies in general electrical inspection will satisfy the prerequisite.

NOTE For work on wiring and equipment operating above 1000 V a.c. or 1500 V d.c. competency in high voltage switching and safe isolation should be held.