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Layer of Protection Analysis: Simplified Processrisk Assessment (Camino del Sol)

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Layer of Protection Analysis: Simplified Processrisk Assessment (Camino del Sol) Cover

 

Synopses & Reviews

Publisher Comments:

Layer of protection analysis (LOPA) is a recently developed, simplified method of risk assessment that provides the much-needed middle ground between a qualitative process hazard analysis and a traditional, expensive quantitative risk analysis. Beginning with an identified accident scenario, LOPA uses simplifying rules to evaluate initiating event frequency, independent layers of protection, and consequences to provide an order-of-magnitude estimate of risk. LOPA has also proven an excellent approach for determining the safety integrity level necessary for an instrumented safety system, an approach endorsed in instrument standards, such as ISA S84 and IEC 61511. Written by industry experts in LOPA, this pioneering book provides all the necessary information to undertake and complete a Layer of Protection Analysis during any stage in a processes' life cycle. Loaded with tables, charts, and examples, this book is invaluable to technical experts involved with ensuring the safety of a process. Because of its simplified, quicker risk assessment approach, LOPA is destined to become a widely used technique. Join other major companies and start your LOPA efforts now by purchasing this book.

Book News Annotation:

Written for designers and operators of chemical facilities, this guide provides instruction on the use of Layer of Protection Analysis (LOPA) to evaluate risk and make decisions concerning risk management. It offers a history and overview of LOPA, followed by chapters on specific topics, including: estimating consequences and severity, developing scenarios, identifying initiating event frequency, identifying independent protective layers, determining the frequency of scenarios, making risk decisions, and implementing LOPA. Secondary uses of LOPA are also detailed.
Annotation c. Book News, Inc., Portland, OR (booknews.com)

Table of Contents

Preface.

Acknowledgments.

Acronyms and Abbreviations.

1. Introduction.

1.1 Audience.

1.2 History of LOPA.

1.3 Use of LOPA in the Process Life Cycle.

1.4 Linkage to Other CCPS Publications.

1.5 Annotated Outline of the LOPA book.

2. Overview of LOPA.

2.1 Purpose.

2.2 What is LOPA?

2.3 What LOPA Does.

2.4 When to Use LOPA.

2.5 How LOPA Works.

2.6 How to Implement LOPA.

2.7 Limitations of LOPA.

2.8 Benefits of LOPA.

2.9 Introduction of Continuing Examples.

3. Estimating Consequences and Severity.

3.1 Purpose.

3.2 Consequences of Interest.

3.3 Consequences Evaluation Approaches for LOPA.

3.4 Continuing Examples.

3.5 Link Forward.

4. Developing Scenarios.

4.1 Purpose.

4.2 LOPA Scenarios and Components.

4.3 Identifying and Developing Candidate Scenarios.

4.4 Continuing Examples.

4.5 Link Forward.

5. Identifying Initiating Event Frequency.

5.1 Purpose.

5.2 Initiating Events.

5.3 Frequency Estimation.

5.4 Expression of Failure Rates.

5.5 Continuing Examples.

5.6 Limitations (Cautions).

5.7 Link Forward.

6. Identifying Independent Protection Layers.

6.1 Purpose.

6.2 Definition and Purpose of an IPL.

6.3 IPL Rules.

6.4 LOPA IPL Assessment.

6.5 Example of IPLs.

6.6 Preventive IPLs versus Mitigation IPLs.

6.7 Continuing Examples.

6.8 Link Forward.

7. Determining the Frequency of Scenarios.

7.1 Purpose.

7.2 Quantitative Calculation of Risk and Frequency.

7.3 Look-up Table Determination of Risk of Frequency.

7.4 Calculation of Risk of Frequency with Integer Logarithms.

7.5 Continuing Examples.

7.6 Link Forward.

8. Using LOPA to Make Risk Decisions.

8.1 Purpose.

8.2 Introduction.

8.3 Comparing Calculated Risk to Scenario Risk Tolerance Criteria.

8.4 Expert Judgment.

8.5 Using Cost-Benefit to Compare Alternatives.

8.6 Comparison of Approaches, Pros and Cons.

8.7 Cumulative Risk Criteria versus Scenario Criteria.

8.8 Continuing Examples.

8.9 Cautions.

8.10 Link Forward.

9. Implementing LOPA.

9.1 Purpose.

9.2 Is the Company ready for LOPA?

9.3 What Is the Current Foundation for Risk Assessment?

9.4 What Dare Are Required?

9.5 Will the IPLs Remain in Place?

9.6 How Are the Risk Tolerance Criteria Established?

9.7 When IS LOPA Used?

9.8 Typical Implementation Tasks.

10. Using LOPA for Other Applications.

10.1 Purpose.

10.2 Using LOPA in Capital Improvement Planning.

10.3 Using LOPA in Management of Change.

10.4 Using LOPA in Mechanical Integrity Programs or Risk-Based Inspection/Risk-Based Maintenance Programs.

10.5 Using LOPA in Risk-Based Operator Training.

10.6 Using LOPA in emergency Response Planning.

10.7 Using LOPA to Determine a Credible Design Basis for Overpressure Protection.

10.8 Using LOPA in Evaluating Facility Siting Risks.

10.9 Using LOPA to Evaluate the Need for Emergency Isolation Valves.

10.10 Using LOPA to Evaluate Taking a Safety System Out of Service.

10.11 Using LOPA during Incident Investigations.

10.12 Using LOPA in the Determination of SIL for SIF.

11. Advanced LOPA Topics.

11.1 Purpose.

11.2 Counting Multiple Functions in One BPCS as IPLs in the Same Scenario.

11.3 Summation of Risk for Multiple Scenarios.

11.4 Using LOPA to Develop F/N Curves.

11.5 Operator Response Issues.

11.6 Normal Plant Operations as “Tests: of IPL Components.

11.7 Focused Fault Tree/Event Tree Analysis of IPL Components.

Appendix A. LOPA Summary Sheets for the Continuing Examples.

Appendix B. Worked Examples from CCPS’s Safe Automation Book.

Appendix C. Documentation for a LOPA Study.

Appendix D. Linkage with Other Publications.

Appendix E. Industry Risk Tolerance Criteria Data.

Appendix F. High Initiating Event Frequency Scenarios.

Appendix G. Additional Reading.

References.

Glossary of Terms.

Index.

Product Details

ISBN:
9780816908110
Author:
Center For Chemical Process Safety (ccps
Publisher:
John Wiley & Sons
Other:
Bridges, William G.
Author:
for Chemical Process Safety (CCPS)
Author:
Center for Chemical Process Safety (Ccps
Author:
Lastcenter for Chemical Process Safety (
Author:
Center
Location:
New York
Subject:
Engineering - Chemical & Biochemical
Subject:
Industrial Health & Safety
Subject:
Risk assessment
Subject:
Chemical plants
Subject:
Chemical & Biochemical
Subject:
Chemical plants -- Risk assessment.
Subject:
process safety
Subject:
Chemistry-Chemical Engineering
Copyright:
Edition Description:
WOL online Book (not BRO)
Series:
A CCPS Concept Book
Series Volume:
5
Publication Date:
October 2001
Binding:
HARDCOVER
Grade Level:
Professional and scholarly
Language:
English
Illustrations:
Yes
Pages:
292
Dimensions:
6.00x9.00x.81 in. 1.32 lbs.

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Layer of Protection Analysis: Simplified Processrisk Assessment (Camino del Sol) New Hardcover
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