This volume synopsizes the investigation of contributing factors of accidents at crossings with flashing light and crossbuck warning devices. The data sources utilized, accident site investigation and methodology for the accident analysis are briefly disc...

Information is presented concerning accident definition and use of event trees, event tree methodology, potential accidents covered by the reactor safety study, analysis of potential accidents involving the reactor core, and analysis of potential ...

The objective of this report is to establish the radiological consequence analysis methodology for the postulated accidents which result in the radioactivity release to the ambient air. For this, reviewing were the methodology described in the Final Safet...

... Abstract : One of the tasks of the US Army Safety Center (USASC) is to prepare monthly forecasts for Army accident data and to disseminate the ...

The system response in a transportation accident environment is an element to be considered in an overall Transportation System Risk Assessment (TSRA) framework. The system response analysis uses the accident conditions and the subsequent accident progression analysis to develop the ...

Accident severity categories are used in many risk analyses for the classification and treatment of accidents involving vehicles transporting radioactive materials. Any number or definition of severity categories may be used in an analysis. A methodology which allow accident probabilities ...

Accident severity categories are used in many risk analyses for the classification and treatment of accidents involving vehicles transporting radioactive materials. Any number or definition of severity categories may be used in an analysis. A methodology which allow accident probabilities ...

A Criticality Alarm System is normally designed to detect immediately the minimum accident of concern. This report covers the methodology to establish a different minimum accident of concern developed for shielded facilities and applied to a case of the canyon sump excursion in a Savannah River Site facility.

Contents: Methodology for ranking roadside hazard correction programs; Evaluation of highway safety projects using quality-control technique; Michigan dimensional accident surveillance (MIDAS) model--progress report; Accident characteristics before, durin...

The purpose of the present paper is to describe a methodology which was developed as part of the QUASAR (Quantification and Uncertainty Analysis of Source Terms for Severe Accidents in Light Water Reactors) program at BNL. QUASAR is a large program which will apply the methodology described in this paper to severe ...

The Savannah River Site (SRS) Safety Analysis Report (SAR) covering K reactor operation assesses a spectrum of design basis accidents. The assessment includes estimation of the dose consequences from the analyzed accidents. This report discusses the methodology used to perform the dose analysis ...

Risk ranking schemes have been used in safety analysis to distinguish lower risk accidents from higher risk accidents. This is necessary to identify those events that might warrant additional study or quantitative analysis and to ensure that any resources...

Department of Energy (DOE) accident analysis for establishing the required control sets for nuclear facility safety applies a series of simplifying, reasonably conservative assumptions regarding inputs and methodologies for quantifying dose consequences. ...

This report reviews current methodologies for reactor accident consequence analysis and describes areas where modifications are warranted. Methodologies reviewed are: (1) Models in Regulatory Guides 1.109, 1.111 and 1.113 used for evaluation of compliance with 10 CFR 50 Appendix I; (2) Models in Regulatory Guides ...

... Descriptors : (*AUSTRALIA, ACCIDENTS), (*ACCIDENTS, STATISTICAL ANALYSIS), MOTOR VEHICLE ACCIDENTS, INDUSTRIAL MEDICINE ...

A general methodology is presented for conducting an analysis of the various aspects of the hazards associated with the storage and transportation of liquefied natural gas (LNG) which should be considered during the planning stages of a typical LNG ship terminal. The procedure includes the performance of a hazards and system analysis ...

The objective of this report is to demonstrate the use of a methology supporting decisions on protective measures following severe nuclear accidents. A multicriteria decision analysis approach is recommended where value tradeoffs are postponed until the v...

The first section of this report describes the methodology and computational framework for the facility accident analysis for the EM PEIS. To demonstrate the interaction of the modules, a sample calculation is presented along with a chart of the data flow...

One of the tasks of the U.S. Army Safety Center (USASC) is to prepare monthly forecasts for Army accident data and to disseminate the analyses of the forecasts to the various commands in the form of an informative and easily read report. In order to under...

codes Q and M. The Challenger accident. (1986) impacted the development of this technology in several ways. First, Professor. Richard. Feynman, ...

This paper discusses a Systematic Functional Task Analysis (SFTA) for control room instrumentation of a nuclear power plant. The methodology systematically reviews the plants worst accident condition, NRC Regulatory Guide 1.97 post-accident monitoring requirements, and multiple failure conditions. Computerized data ...

A reliability analysis using the GO-FLOW methodology is given for the emergency core cooling system (ECCS) of a marine reactor experiencing either a collision or a grounding accident. The analysis is an example of a phased mission problem, and the system is a relatively large system with 90 components. An overview ...

A methodological framework was outlined for the comprehensive risk assessment of marshalling yards in the context of quantified area risk analysis. Three accident typologies were considered for yards: (i) "in-transit-accident-induced" releases; (ii) "shunting-accident-induced" spills; and (iii) ...

This paper briefly describes a methodology developed by the accident management group at the Savannah River site (SRS) for review of the safety analysis and operating/emergency procedures for selected design-basis accidents. The major focus of the review methodology is to identify any ...

This paper develops a concrete situation witch is the search for an evacuation distance in case of a road accident implying a chlorine tank. The methodological aspect is how implementing uncertainty analysis in deterministic models with random parameters....

Accident models play a critical role in accident investigation and analysis. Most traditional models

A Worker Safety Assessment Methodology has been developed to assess the risks to workers from radiological accidents at non-reactor nuclear facilities. The methodology utilizes Process Hazards Analysis, proposed risk goals, and Quantitative Risk Analysis. The first phase of a trial application ...

In order to estimate the potential risks due to carbon fibers (CF) released from aircraft accidents, it was necessary to quantify the probability of an accident or incident at a major hub airport. This probability was contingent upon various conditions surrounding the incident including the phase of operation, aircraft type, and the weather conditions. The ...

The methodological framework and program plan for systematic quantification and propagation of uncertainties in radiological source terms for light water reactors are presented. The QUASAR methodology is based on detailed sensitivity analysis of the Source Term Code Package (STCP), followed by a systematic uncertainty ...

The Edge Hill railway accident occurred on Sunday 9 May 1999 in Liverpool, England. An Engineers' scrap train struck a plant quality supervisor. This paper presents the results of a systemic analysis of the accident. The methodology has been to compare the features of the Edge Hill accident ...

Information is presented concerning comments on reactor safety by governmental agencies and civilian organizations; reactor safety study methodology; consequence model; probability of accident sequences; and various accident conditions.

This report documents the methodology, computational framework, and results of facility accident analyses performed for the U.S. Department of Energy (DOE) Waste Management Programmatic Environmental Impact Statement (WM PEIS). The accident sequences pote...

Contents: Analysis of mass accident data for vehicle handling causative factors; Indirect standardization - an example; Supplemental accident report form for vehicle handling; Supplemental data on relationships between vehicle handling parameters (and ind...

As a result of the need for a more accurate computational methodology, the Los Alamos developed Monte Carlo code MCNP is used to show the implementation of a more advanced and accurate methodology in criticality accident detector analysis. This paper will detail the application of MCNP for the ...

Requirements analysis plays a vital role in software development, since defective requirements specifications may introduce faults during subsequent phases of software development which can lead to accidents. In the paper the authors discuss a methodology...

In the past, the selection of representative accidents for refined analysis from the numerous scenarios identified in hazards analyses (HAs) has involved significant judgment and has been difficult to defend. As part of upgrading the Final Safety Analysis Report (FSAR) for the TA-55 plutonium facility at the Los Alamos National ...

The volume presents the methodology and results of the integrated accident sequence analysis of the LaSalle Unit II nuclear power plant. Integrated results are obtained by merging all of the accident sequences' cut sets from the internal and external even...

The 1994 Accident Sequence Precursor (ASP) human reliability analysis (HRA) methodology was developed for the U.S. Nuclear Regulatory Commission (USNRC) in 1994 by the Idaho National Engineering and Environmental Laboratory (INEEL). It was decided to revise that methodology for use by the Simplified Plant ...

The 1994 Accident Sequence Precursor (ASP) human reliability analysis (HRA) methodology was developed for the U.S. Nuclear Regulatory Commission (USNRC) in 1994 by the Idaho National Engineering and Environmental Laboratory (INEEL). It was decided to revise that methodology for use by the Simplified Plant ...

This paper describes an integrated approach to perform hazards and accident analyses for the Plutonium Facility at Los Alamos National Laboratory. A comprehensive hazards analysis methodology was developed that extends the scope of the preliminary/process hazard analysis methods described in the AIChE Guidelines ...