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Title: Risk Insights Gained from Fire Incidents

Abstract

There now exist close to 20 years of history in the application of Probabilistic Risk Assessment (PRA) for the analysis of fire risk at nuclear power plants. The current methods are based on various assumptions regarding fire phenomena, the impact of fire on equipment and operator response, and the overall progression of a fire event from initiation through final resolution. Over this same time period, a number of significant fire incidents have occurred at nuclear power plants around the world. Insights gained from US experience have been used in US studies as the statistical basis for establishing fire initiation frequencies both as a function of the plant area and the initiating fire source.To a lesser extent, the fire experience has also been used to assess the general severity and duration of fires. However, aside from these statistical analyses, the incidents have rarely been scrutinized in detail to verify the underlying assumptions of fire PRAs. This paper discusses an effort, under which a set of fire incidents are being reviewed in order to gain insights directly relevant to the methods, data, and assumptions that form the basis for current fire PRAs. The paper focuses on the objectives of the effort, themore » specific fire events being reviews methodology, and anticipated follow-on activities.« less

Authors:
;
Publication Date:
Research Org.:
Sandia National Labs., Albuquerque, NM (US); Sandia National Labs., Livermore, CA (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
7888
Report Number(s):
SAND99-1463C
TRN: US0101834
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Conference
Resource Relation:
Conference: PSA 99, Washington, DC (US), 08/23/1999--08/26/1999; Other Information: PBD: 10 Jun 1999
Country of Publication:
United States
Language:
English
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; NUCLEAR POWER PLANTS; RISK ASSESSMENT; FIRES; FIRE PREVENTION; PROBABILISTIC ESTIMATION; FIRE HAZARDS

Citation Formats

Kazarians, Mardy, and Nowlen, Steven P. Risk Insights Gained from Fire Incidents. United States: N. p., 1999. Web.
Kazarians, Mardy, & Nowlen, Steven P. Risk Insights Gained from Fire Incidents. United States.
Kazarians, Mardy, and Nowlen, Steven P. Thu . "Risk Insights Gained from Fire Incidents". United States. https://www.osti.gov/servlets/purl/7888.
@article{osti_7888,
title = {Risk Insights Gained from Fire Incidents},
author = {Kazarians, Mardy and Nowlen, Steven P},
abstractNote = {There now exist close to 20 years of history in the application of Probabilistic Risk Assessment (PRA) for the analysis of fire risk at nuclear power plants. The current methods are based on various assumptions regarding fire phenomena, the impact of fire on equipment and operator response, and the overall progression of a fire event from initiation through final resolution. Over this same time period, a number of significant fire incidents have occurred at nuclear power plants around the world. Insights gained from US experience have been used in US studies as the statistical basis for establishing fire initiation frequencies both as a function of the plant area and the initiating fire source.To a lesser extent, the fire experience has also been used to assess the general severity and duration of fires. However, aside from these statistical analyses, the incidents have rarely been scrutinized in detail to verify the underlying assumptions of fire PRAs. This paper discusses an effort, under which a set of fire incidents are being reviewed in order to gain insights directly relevant to the methods, data, and assumptions that form the basis for current fire PRAs. The paper focuses on the objectives of the effort, the specific fire events being reviews methodology, and anticipated follow-on activities.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {6}
}

Conference:
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