EI Model code of safe practice Part 15: Area classification code for installations handling flammable fluids (commonly known as EI 15) is recognised internationally as being the de-facto guidance for calculating hazardous zone areas in the petroleum industry. It is essential for HSE managers, design, process and maintenance engineers, and all those involved in the hazardous area classification of installations handling flammable fluids.
It provides a demonstrable methodology for determining hazard radii, and is applicable to all installations handling flammable fluids. It gives guidance on the classification of regions around equipment handling or storing flammable fluids, and provides a basis for both the correct selection of fixed electrical equipment and the location of other fixed sources of ignition in those areas.
This new (4th) edition has been significantly updated from the 3rd edition to include:
The revised information provided in EI 15 may therefore lead to a reduction in the size of some zone areas, enabling potential cost savings to operators and contractors.
Whilst EI 15 provides guidance on applying a risk based approach for specifying hazardous areas, the full methodology is outlined in a separate publication; A risk-based approach to hazardous area classification.
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