Dynamic elaboration on the Art & Science of Hazardous Area Protection
Meaning of Release:
Whenever there is a release of (say) GAS from a gas-container it is from a SOURCE. This source has actually “HELPED” the GAS to Escape or get released.
This source can be in form of an opening which is formed:-
These sources of release play a primary role in quantifying the danger or Hazard of a particular area, into ZONES by:
The sources of release
The Grades (levels , magnitude ) of Release
These parameters form the basis of a Schematic Approach employed by IEC in :-
Annex F for Classification of Hazardous Area .
Schematic approach to classification of hazardous areas