API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

RISK-BASED INSPECTION METHODOLOGY, PART 2, ANNEX 2.A—MANAGEMENT SYSTEMS WORKBOOK 2.A-3
Table 2.A.3—Process Hazard Analysis
1
2
3
4
Questions
What percentage of all process units that handle hazardous chemicals at the facility
have had a formal process hazard analysis (PHA) within the last 5 years?
Possible
Score
Has a priority order been established for conducting future PHAs? 5
Does the basis for the prioritization address the following factors?
a. The quantity of toxic, flammable, or explosive material at the site. 1
b. The level of toxicity or reactivity of the materials. 1
c. The number of people in the immediate proximity of the facility, including both onsite
and off-site locations.
d. Process complexity. 1
e. Severe operating conditions or conditions that can cause corrosion or erosion. 1
Do the PHAs conducted to date address the following?
a. The hazards of the process. 2
b. A review of previous incident/accident reports from the unit being analyzed to
identify any previous incidents that had a potential for catastrophic
consequences.
c. Engineering and administrative controls applicable to the hazards and their
interrelationships.
d. Consequences of failure of engineering and administrative controls. 2
e. Facilities siting. 2
f. Human factors. 2
g. A qualitative evaluation of the possible safety and health effects of failure. 2
Based on the most recent PHA conducted:
a. was the team leader experienced in the technique being employed? 3
b. had the team leader received formal training in the method being employed? 3
c. was at least one member of the team an expert on the process being analyzed? 3
d. were all appropriate disciplines represented on the team or brought in as
required during the analysis?
e. was at least one member of the team a person who did not participate in the
original design of the facility?
% × 10
1
2
2
3
3
Actual
Score