Safe Areas -Typical areas
The following locations are considered safe from the point of view of electrical installation:
Areas where the piping system is without valves, fittings, flanges or similar appurtenances
Areas where flammable liquids or vapours are transported only in suitable containers or vessels
Areas where permanent ignition sources area present like area where combustion gases are present, for example flare pits, tips, other open flames 7 hot surfaces
DG shed room / shed having adequate ventillation
GT installation meeting the ventilation (12 ACPH) , pressurization (0.5 mbar )and flange (not more than one pair of flanges inside the turbine room) requirements