A risk-based approach to hazardous area classification

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  • Published: October 2016
  • REF/ISBN: 9780852939055
  • Edition: 2nd
  • Status: Current

A risk-based approach to hazardous area classification coverThis report presents a risk-based approach which may be applied to the classification of an upstream or downstream petroleum sector facility by consideration of the individual point source procedure presented in section 3 of the EI Model Code of Safe Practice Part 15: Area classification for installations handling flammable fluids (EI 15). The content of this report is used in the 4th edition of EI 15 and as a source of reference for the application of the risk-based approach.

The objective of this report was to develop a means for establishing the outer boundaries of Zone 2 hazardous areas taking account of the risks associated with contributory factors. This update contains the methodology for calculation of release hole sizes only. The calculation of hazardous radii (previously Annex D) is not included as this has been incorporated in the 3rd and 4th edition of EI 15.

The following technical changes have been made to this edition:

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