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HAZOP: Guide to Best Practice

  • 4th Edition - April 1, 2027
  • Latest edition
  • Authors: Phil Eames, Ken Patterson
  • Language: English

HAZOP: Guide to Best Practice, Fourth Edition is an essential resource for professionals in the process industries, offering a comprehensive overview of the HAZOP study method… Read more

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Description

HAZOP: Guide to Best Practice, Fourth Edition is an essential resource for professionals in the process industries, offering a comprehensive overview of the HAZOP study method. This updated edition incorporates the latest insights and practices to enhance safety and operational efficiency within HAZOP teams. Readers will discover how to effectively implement HAZOP techniques in both new and existing facilities, with clear guidance through every stage of the study process. The book features diagrammatic representations of key concepts, making complex information accessible and easy to understand. Delving into the intricacies of HAZOP, the book covers a wide range of topics, including the detailed HAZOP study procedure, organizing and conducting studies, recording and auditing processes, and advanced aspects of HAZOP. It also addresses specific applications, such as transient operations and proprietary equipment, while providing valuable appendices that illustrate HAZOP studies for various operational scenarios. With new content on the implications of AI and advanced control systems, this edition is timely and relevant.

Key features

  • Fully revised, updated, and expanded new edition setting out current best practice in the management and conduct of HAZOP studies
  • Explains HAZOP technique principles alongside best practice in planning and conducting a study
  • Presents "golden rules" for maximizing the effectiveness of HAZOP studies
  • Examines HAZOP use throughout the process lifecycle, including creeping change, risk matrices, and the relationship with Layers of Protection Analysis
  • Includes a new chapter on the impact of artificial intelligence and advances in process control on HAZOP techniques
  • Provides updated continuous, batch, and procedural HAZOP examples with detailed worksheets reflecting modern best practice

Readership

Process safety engineers, process engineers, risk managers, safety managers, HAZOP leaders, HAZOP team members, functional safety engineers, chemical engineers, engineering managers, project managers, junior engineers, engineering students

Table of contents

1. Introduction

1.1. Aims and Objectives

1.2. Essential Features of HAZOP Study

1.3. The Requirements for a HAZOP Study


2. Process Hazard Studies

2.1. Consideration of Inherent Safety

2.2. Concept Stage Hazard Review

2.3. HAZID at Front-End Engineering Design (FEED) of Project Definition Stage

2.4. Detailed Design Hazard Study

2.5. Construction/Design Verification

2.6. Pre-Commissioning Safety Review

2.7. Project Close-Out/Post Start-Up Review

2.8. Demolition/Abandonment Reviews

2.9. Overview of Hazard Studies


3. The HAZOP Study Method

3.1. Essential Features

3.2. The Purpose

3.3. Limitations


4. The Detailed HAZOP Study Procedure

4.1. Node Selection

4.2. The Description and Design Intention

4.3. Generating a Deviation

4.4. Identifying Causes

4.5. Evaluating Consequences

4.6. Safeguards

4.7. Risk Assessment

4.8. Recommendations

4.9. Recording

4.10. Continuing and Completing the Analysis

4.11. An Illustration of the HAZOP Study Process


5. Organising a HAZOP Study

5.1. Defining the Scope and Objectives of the Study and Establishing the Boundaries

5.2. Appointing a Team Leader and Selecting the Team

5.3. Preparation


6. Carrying Out a Study

6.1. Terms of Reference

6.2. Planning the Meetings

6.1. The Study Meetings

6.2. Coordinating and Reviewing Responses

6.3. Completing and Signing Off the Report(s)

6.4. Follow-up of Recommendations and Management of Change


7. Leading/Facilitating


8. Recording and Auditing

8.1. Background Information

8.2. Section Headings

8.3. The Recording Format for the Detailed Examination

8.4. The Level of Recording

8.5. The Content

8.6. Computer Recording

8.7. Auditing a HAZOP Study


9. Training

9.1. Team Members

9.2. Recorder

9.3. Team Leader


10. Company Procedures for HAZOP Study


11. Advanced Aspects of HAZOP Study

11.1. HAZOP Study of Computer-Controlled Processes

11.2. Human Factors

11.3. Linking HAZOP Studies to LOPA


12. Specific Applications of HAZOP

12.1. Modification of Existing Operations

12.2. Repeat Designs – HAZOP-by-difference

12.3. Periodic Hazard Studies and the HAZOP of an Existing Plant

12.4. The Use and Limitations of the Delta HAZOP Technique

12.5. Operating Procedures

12.6. Pilot Plant and Laboratory Operations

12.7. Drains, Vents, and Other Interconnections Between Plants

12.8. Commissioning and Decommissioning

12.9. Start-up and Shutdown

12.10. Construction and Demolition

12.11. Contract Operations


13. Factors for a Successful HAZOP Study

13.1. Throughout the Study

13.2. Before the Study

13.3. During the Study

13.4. After the Study


14. Future Developments

14.1. The Use of HAZOP in Non-process Industry and Other Non-conventional Applications

14.2. The Potential Impact of Artificial Intelligence

Product details

  • Edition: 4
  • Latest edition
  • Published: April 1, 2027
  • Language: English

About the authors

PE

Phil Eames

Phil Eames is an experienced HAZOP Leader, first trained in 1986, and actively practiced in his career as a process safety manager and then for 15 years as a process safety consultant. He led HAZOP studies across various sectors of the process industries and was accredited by several multinational companies. Phil conducted both small stand-alone studies and large-scale HAZOP programs involving multiple leaders. As a consultant, he designed and delivered training, mentoring, and assessment for HAZOP Leaders, including the successful IChemE HAZOP Leadership and Management course, which he re-launched in 2017.

Affiliations and expertise
FIChemE Professional Process safety Engineer, former process safety consultant and IChemE tutor in process safety and HAZOP study

KP

Ken Patterson

Ken Patterson is a seasoned professional with a decade of experience as an industrial chemist before joining the Health and Safety Executive (HSE) in 1986 as a Principal Specialist Inspector focused on process safety. He served as a field inspector in the North of England and worked in major hazards and operational research at HSE headquarters. After the major accident at Hickson & Welch in 1994, he became their Health and Safety Manager. Ken retired from Synthomer in 2016 as Group Risk and SHE Manager. He contributed to IChemE’s Fundamentals of Process Safety course and received the Franklin Medal in 2011 for his contributions to process safety.

Affiliations and expertise
Former Risk and SHE manager Synthomer plc, London, UK; Lecturer in Process Safety, University of Bradford, UK; IChemE Tutor in Process Safety and HAZOP studies, UK