03918nam 2200637 450 991081378490332120200520144314.01-118-77794-81-62870-084-X1-118-77778-61-118-77795-6(CKB)2670000000494037(EBL)1574361(SSID)ssj0001061077(PQKBManifestationID)11573647(PQKBTitleCode)TC0001061077(PQKBWorkID)11087812(PQKB)10796882(MiAaPQ)EBC1574361(DLC) 2013026199(Au-PeEL)EBL1574361(CaPaEBR)ebr10814725(CaONFJC)MIL550377(OCoLC)865332170(PPN)223545155(EXLCZ)99267000000049403720131217d2014 uy 0engur|n|---|||||txtccrGuidelines for enabling conditions and conditional modifiers in layers of protection analysis /Center for Chemical Process Safety, New York, NYHoboken, New Jersey :John Wiley and Sons, Incorporation,2014.©20141 online resource (136 p.)Description based upon print version of record.1-118-77793-X Includes bibliographical references and index.Cover; Title Page; Copyright Page; Contents; List of Tables; List of Figures; Abbreviations and Acronyms; Glossary; Acknowledgements; Preface; 1 CONTEXT; 1.1 LOPA Overview; 1.2 Pertinent LOPA Variations; 1.3 When to Use Enabling Conditions and Conditional Modifiers; 1.4 Risk Criteria Endpoints; 2 LOPA ENABLING CONDITIONS; 2.1 Definition and Defining Characteristics; 2.2 Interrelationship with Initiating Event; 2.3 Time-At-Risk Enabling Conditions; 2.4 Campaign Enabling Conditions; 2.5 Other Possible Enabling Conditions; 2.6 Documenting and Validating Enabling Conditions3 LOPA CONDITIONAL MODIFIERS3.1 Definition and Defining Characteristics; 3.2 Probability of a Hazardous Atmosphere; 3.3 Probability of Ignition or Initiation; 3.4 Probability of Explosion; 3.5 Pobability of Personnel Presence; 3.6 Probability of Injury or Fatality; 3.7 Probability of Equipment Damage or Other Financial Impact; 3.8 Documenting, Managing and Validating Conditional Modifiers; 4 APPLICATION TO OTHER METHODS; 4.1 Quantitative Risk Analysis; 4.2 Use of Enabling Conditions and Conditional Modifiers with Scenario Identification Methods; 4.3 Barrier Analysis and Diagrams; APPENDICESA Simultaneous Failures and ""Double Jeopardy""B Peak Risk Concepts; C Example Rule Set for LOPA Enabling Conditions; REFERENCES; INDEX The initial Layer of protection analysis (LOPA) book published in 2001 set the rules and approaches for using LOPA as an intermediate method between purely qualitative hazards evaluation/analysis and more quantitative analysis methods. Basic LOPA provides an order-of-magnitude risk estimate of risk with fairly reproducible results. LOPA results are considered critical in determining safety integrity level for design of safety instrumented systems. This guideline clarifies key concepts and reinforces the limitations and the requirements of LOPA. The main scope of the guChemical processesSafety measuresChemical processesSafety standardsChemical processesSafety measures.Chemical processesSafety standards.660American Institute of Chemical Engineers.Center for Chemical Process Safety.MiAaPQMiAaPQMiAaPQBOOK9910813784903321Guidelines for enabling conditions and conditional modifiers in layers of protection analysis4102880UNINA