As an EX advisor you see many firms. You learn that all firms are special, persons are too. Therefore, all the works required to maintain a safe working environment must be designed to fit each single firm. By doing that you're not only creating a safe workplace; you are changing the safety culture!
After 5 years of working as EEHA (Electrical equipment in hazardous areas) inspector, I can definitely say the Ex knowledge not only mandatory as a type of quality assurance, it is also vital for preventing future breakdowns and catastrophic failures
Whilst Australia does not recognize ATEX as it a trading directive we do recognize IEC standards and as such can usually issue a Conformity Assessment to allow ATEX equipment to be used in Australia, please contact me for assistance with this.