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Guidelines for enabling conditions and conditional modifiers in layer of protection analysis /
"Basic LOPA provides an order-of-magnitude 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 requir...
| Clasificación: | Libro Electrónico |
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| Autor Corporativo: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
[New York] : Hoboken, New Jersey :
CCPS ; Wiley,
2014.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 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 Conditions 3 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; APPENDICES A Simultaneous Failures and ""Double Jeopardy""B Peak Risk Concepts; C Example Rule Set for LOPA Enabling Conditions; REFERENCES; INDEX.