The application of pressure–impulse curves in a blast exceedance analysis

Marx, Jeffrey; Werts, Kendall M.

doi:10.1016/j.jlp.2012.07.011

Cited by 5 publications

(2 citation statements)

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“…The generation of overpressure exceedance curves (OECs) provides a substantial amount of information for specific locations that may be affected by explosion events. OECs represent a cumulative summary of the overpressure and probability of a full range of explosion events that could affect a building [8]. The OEC technique has been applied in facility or building siting studies worldwide [9], and is accepted as a viable means of making decisions concerning the suitability of buildings in and near flammable materials facilities, for compliance with API RP 752 and 753.…”

Section: Overpressure Exceedance Curvesmentioning

confidence: 99%

“…The use of probability of building damage (PBD) curves, like the OEC method, can make building siting studies more specific than other methods. This method uses both impulse and overpressure in the analysis to calculate building damage, thus presenting a more realistic assessment of the effects of accidental releases on occupied buildings [8]. Adopting a quantitative analysis methodology allows the analyst to account for varied conditions and parameters, as discussed above, and can provide a better estimate of the vapor cloud explosion risk to a building than simple consequence-only methods.…”

Section: Probability Of Building Damage Curvesmentioning

confidence: 99%

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A comprehensive approach to API RP 752 and 753 building siting studies

Marx

Ishii

2016

Journal of Loss Prevention in the Process Industries

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Section: Overpressure Exceedance Curvesmentioning

confidence: 99%

Section: Probability Of Building Damage Curvesmentioning

confidence: 99%

A comprehensive approach to API RP 752 and 753 building siting studies

Marx

Ishii

2016

Journal of Loss Prevention in the Process Industries

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Infiltration hazards for building siting studies

Marx¹,

Ishii²

2015

Process Safety Progress

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Facility siting studies have been a requirement for many years, specifically for facilities that must comply with OSHA's PSM program. Facility siting is frequently interpreted as performing a building siting study which adheres to the guidance given in API RP 752. Many of the siting studies conducted for large facilities over the past few decades have focused on explosion overpressure impacts to occupied buildings, with more simplistic evaluations for fire and toxic gas impacts. Toxic gas impact analyses often only evaluate the potential exposure of a building location, to a specific gas concentration, and do not evaluate the level of infiltration into the building where occupants may be impacted. Infiltration of flammable gases has largely been ignored in most building siting studies. Despite this oversight, this hazard is one which should be addressed when following the guidance found within API RP 752. Through the use of dispersion modeling and infiltration analyses, the hazards associated with flammable or toxic gas infiltration can be incorporated into a building siting study. This article outlines the process of conducting a building siting study in accordance with API RP 752, with specific emphasis on the consequence analysis for infiltration analyses. © 2015 American Institute of Chemical Engineers Process Saf Prog 35: 61–67, 2016

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