(117cr) Further Lessons Learned on How to Efficiently Perform the Necessary PHA of Startup, Shutdown, and Online Maintenance
AIChE Spring Meeting and Global Congress on Process Safety
2021
2021 AIChE Virtual Spring Meeting and 17th Global Congress on Process Safety
Global Congress on Process Safety
GCPS Poster Session
Wednesday, April 21, 2021 - 3:00pm to 4:00pm
One reason that many companies do not perform PHA of Procedures is because they believe the time required for such analysis will be excessive. This paper shows clearly the best practices for (1) screening and ranking which procedures/tasks are most critical for analysis, (2) deciding on the method to optimize the investment of time, and (3) streamlining the documentation of the results of the PHA of procedures. Following the steps outlined in this paper reduces the time needed for PHA of procedures by about 40% with noticeably effecting the number of accident scenarios found during PHA of procedures. The result should be more sites completing PHA of procedures.
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