Understand quantitative risk assessment: Part 2
- BAPCO, Awali (Bahrain)
Common sense guidelines can be applied to make quantitative risk assessment (QRA) cost effective. Because HPI hazards are unique and varied, safety engineers must ensure that they apply the right tool to quantify risk. Otherwise, the results are useless and defeat the investigation's goal. HAZOP teams usually recommend QRAs to further investigate potentially hazardous conditions. However, remember from Part 1: QRAs aren't universal fix-all tools. They are expensive and time consuming. Consequently, safety managers constantly wrestle with whether they should or shouldn't do a QRA. Using case histories and guidelines, managers can identify economical ways to apply QRA and avoid situations in which they shouldn't. Case histories described are: furnace emergency shutdown systems; pipeline rerouting proposals; flammable/toxic gas detector installations; deliberate leak ignition; isolation valves; earth-mounding of LPG bullets; and aboveground versus buried pipelines. The paper then discusses computer programs required for QRA studies; the selection of QRA consultants; and what QRA is and isn't.
- OSTI ID:
- 6652209
- Journal Information:
- Hydrocarbon Processing; (United States), Journal Name: Hydrocarbon Processing; (United States) Vol. 74:1; ISSN HYPRAX; ISSN 0018-8190
- Country of Publication:
- United States
- Language:
- English
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