Chapter 4

The Detailed HAZOP Study Procedure

This chapter covers the detailed HAZOP study procedure including process description, design intention, finding deviations, identifying causes, evaluating consequences and safeguards, assessing risks, and deciding upon recommendations and actions. A flow diagram explains the sequence used in HAZOP study. The main guidewords are listed and explained, some parameters are shown, and some meaningful combinations tabulated. Recording and follow-up are briefly mentioned. A detailed illustration is given of the stages of a HAZOP study including parts of a HAZOP study report.


Detailed procedure; HAZOP flow chart; design intention; guidewords; parameters; deviations; actions; HAZOP example

The actual study ...

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