DOW'S EXPLOSION INDEX HAZARD CLASSIFICATION
DOW'SFIRE & EXPLOSION INDEXHAZARD CLASSIFICATIONGUIDESEVENTH EDITIONa AIChE techrzical manual published bythe American Institute of Chemical Engineers345 East 47th Street, New York, NY 100170 1994
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DOW'SFIRE & EXPLOSION INDEXHAZARD CLASSIFICATIONGUIDESEVENTH EDITIONa AIChE techrzical manual published bythe American Institute of Chemical Engineers345 East 47th Street, New York, NY 100170 1994
ACKNOWLEDGMENTT h e American Institute of Chemical Engineers wishes to acknowledge the cooperationof The Dow Chemical Company in releasing their 7th edition of the Fire a d ExplosionIndex Hazard ClassiJicarionGuide for publication. Special thanks to N. E. Scheffler,W. R. Heitzig, J. F. Murphy, S. M. Hartnagle, N. H. Humphrey, B. H. Scortichiniand T. 0. Gibson of The Dow Chemical Company, whose careful evaluation andreview of this material provided some important innovations to make the Guide moreuseful to the chemical industry.Copyright in U.S.A. 0 1994LC 80-29237ISBN 0-8169-0623-8
TABLE OF CONTENTSPreface .Introduction: The Fire & Explosion Index System .Pmxdure for Risk Analysis Calculations .Selection of Pertinent Process Units .Determination of Material Factor .Process Unit Hazards Factors .General Process Hazards .Special Process Hazards .Determination of Process Unit Hazards Factor .Determination of Fire and Explosion Index .Loss Control Credit Factors .Process Unit Risk Analysis Summary .Discussion of MPPD, BI and Plant Layout .Manufacturing Unit Risk Analysis Summary .Risk Analysis Package .TABLES1.Material Factor Determination Guide .2.Material Factor Temperature Adjustment .3.Dust Explosion Penalty .4 - High Pressure Penalty for Flammable and Combustible Liquids .5 - Hot Oil Heat Exchange System Penalty .6 - Degree of Hazard for F&EI .FIGURES1.procedure for Calculating F&EI and Other Risk Analysis Information .2.Pressure Penalty for Flammable and Combustible Liquids .3.Liquids or Gases in Process .4.Liquids or Gases in Storage .5.Combustible Solids in Storage/Dust in Process .6.Fired Equipment Penalty .7.Radius of Exposure .Damage Factor .8.9.Maximum Probable Days Outage .FORMSFire and Explosion Index Form .Loss Control Credit Factors Form .Process Unit Risk Analysis Summary Form .Manufacturing Unit Risk Analysis Summary Form .APPENDICESA- Material Factors .B.Special Material Factor Considerations for Mixtures.Basic Preventive and Protective Features .C.D- Loss Prevention Checklist .E.Equations for Damage Factor Data .F - Acronyms and Abbreviations 4853555667607274758183
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PREFACESince the first edition of this guide was issued in 1964, the Fire & Explosion Index (F&EI) has evolvedthrough the past 29 years into a comprehensive index that gives a relative value to the risk of individualprocess unit losses due to potential fires and explosions. The primary purpose of the F&EI is to serve as aguide to the selection of !ire protection methods. Its broader purpose was to have a method for the relativeranking of individual process units focused on key items of equipment.This index has been widely used in Dow and outside of Dow. It is the leading hazard index recognized bythe chemical industry. The present F&EI provides key information to help evaluate the overall risk fromfire and explosion. The F&EI can be used in conjunction with the Chemical Exposure Index Guide, 2nded. and other process information to form a Risk Analysis Package to better understand the potential risksto a manufacturing unit. This package is an important part of the Consolidated Audit process.The F&EI is one of the tools used for evaluation of realistic fire, explosion and reactivity potential of process equipment and its contents. The F&EI is also tied into the Distribution Ranking Index (DRI).‘Ihe seventh edition is primarily an update of the sixth edition, and there are no major conceptual changes.Improvements have been made in wording and updating has been done to remain consistent with Codes andLoss Prevention Principles. A major update has been made in Appendix A, Material Factors, which givesthe latest NFPA ratings, flash points, boiling points and, most importantly, Material Factors.Improvements in the seventh edition i
DOW'S FIRE & EXPLOSION INDEX HAZARD CLASSIFICATION GUIDE SEVENTH EDITION a AIChE techrzical manual published by the American Institute of Chemical Engineers 345 East 47th Street, New York, NY 10017 0 1994 . C1.jpgFile Size: 788KBPage Count: 9Explore furtherDow Fire and Explosion Index (F&EI) AIChEwww.aiche.orgDOW FIRE AND EXPLOSION INDEX pdfeasystudy.infoDow Fire and Explosion Index (Dow F&EI) and Mond Indexwww.slideshare.netDow's Fire and Explosion Index Hazard Classification Guide .www.wiley.com(PDF) Dow's fire and explosion index: a case-study in the .www.researchgate.netRecommended to you based on what's popular Feedback
The Dow Fire and Explosion Index (hereafter called the Dow index) is a common hazard index [9]. Hazard indices using the numerical values classify the various sections of process industries in terms of fire and explosion and identify process areas with a high risk and also estimate the losses due to fire and explosion. .
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We will use Dow’s Fire and Explosion Index-available to all engineers through the AIChE and in Thode Library. The resulting Index value can be used to estimate the degree of hazard (below from Crowl and Louvar, 1990) Dow Index Degree of Hazard 1 - 60 light 61-96 moderate 97-127 intermediate 128-158 heavy 159 up severe 8 Hazard .
Dow fire and explosion index, Dow chemical exposure index, the Mond fire, explosion and toxicity index [13,14], the IFAL index [15], the mortality index [16], HIRA method [17], SWeHI method, extras. There are some safety indices that provides few rapid ranking techniques and databases such as the substance hazard index [18] and the NFPA ranking .
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10. The 2005 San Francisco Electrical Explosion 28 11. The 2008 Rancho Cordova Explosion 28 12. The 2008 Whiskey Fire 29 13. The 2009 San Francisco Electrical Explosion 29 14. The 2010 San Bruno Explosion 29 15. The 2011 Cupertino Explosion 30 16. The 2014 Carmel Explosion 31 17. The 2015 San Francisco Transformer Explosion 31 18. The 2015 .
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