By those who understand the relevance and significance of properties of flammable
materials and who are familiar with the process and the equipment .
Preferably there should be a multidisciplinary team (process, safety ,operation )
At Total ,area classification is under the responsibility of the Safety department .
In many companies area classification is carried out by the sole electrical engineer ,
b but normally the latter has not the required competence to identify the sources and
grade of release, to know the properties of flammable materials , etc…..which are far
from the electrotechnical knowledge !
The electrical engineer should not be the area classification designer !
The electrical engineer is the first user of the hazardous area classification
drawings with his colleague the Instrumentation engineer .
Soon the mechanical (rotating equipment ) engineer shall be also an user (this is
already the case in Europe where the ATEX directive has included in its scope non
electrical equipment ). IECEx
By those who understand the relevance and significance of properties of flammable
materials and who are familiar with the process and the equipment .
Preferably there should be a multidisciplinary team (process, safety ,operation )
At Total ,area classification is under the responsibility of the Safety department .
In many companies area classification is carried out by the sole electrical engineer ,
b but normally the latter has not the required competence to identify the sources and
grade of release, to know the properties of flammable materials , etc…..which are far
from the electrotechnical knowledge !
The electrical engineer should not be the area classification designer !
The electrical engineer is the first user of the hazardous area classification
drawings with his colleague the Instrumentation engineer .
Soon the mechanical (rotating equipment ) engineer shall be also an user (this is
already the case in Europe where the ATEX directive has included in its scope non
electrical equipment ). IECEx
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