International Journal of Occupational Hygiene 2018. 10(2):.

P-HAZOP: A New Extended HAZOP (Hazard and operability study) for Pipelines Risk Analysis
OMID KALATPOUR

Abstract


Due to high potential consequences of pipeline accidents, it is necessary to manage the inherited risks in the pipeline sectors. Several techniques are available to identify hazardous situations; however, it is crucial that the selected tool be fitted for the proposed scope. HAZOP study is one of the most accepted techniques by experts to identify hazards. Despite of the wide application of HAZOP in the process industries, this method is not suitable for pipelines. In this study, a new extension of HAZOP (P-HAZOP) is introduced through integrating the classic HAZOP and the Kent’s method. This research focuses on producing the new sort of deviation for pipelines. A previously conducted HAZOP study for a network of pipelines was repeated by using P-HAZOP. A large number of new generated deviations demonstrate more coverage of the P-HAZOP for pipeline scope. Finally, it is recommended to improve the traditional HAZOP for pipeline applications.


Keywords


Pipeline Risk; HAZOP; Risk Identification; Kent’s method; Deviation

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