SIL and Functional Safety in a Nutshell - 2nd Edition


Book Description

This ebook explains what SIL and functional safety means in a nutshell. The book is intended for everybody who is new to functional safety and SIL and wants to have a full overview without being lost in the details. It is excellent for managers that need to understand quickly what functional safety is all about and how it will influence the work of their employees and their products and/or services. It is excellent for engineers and professionals that want to get started with functional safety and understand the big picture before going into detail. Many standards, guidelines and other publications exist that talk about functional safety. All of them with their own level of detail. This book does not to go into the details of what has to be done according to what standard and what not. It explains main functional safety concepts so that you know everything you need to know to get started. Functional safety is not rocket science and once you understand it and applied it a few times in practice you will notice it is just good engineering practice. This book tries to explain that good engineering practice. Functional safety standards can be confusing and contradicting at times and sometimes they require things that make no sense. You do not need to understand the standards in order to apply and be good at functional safety. If you understand the concepts explained in this book you can apply functional safety into your organisation and to your products, with or without following the exact requirements of standards. Actually once you understand how functional safety works you most likely will go beyond what standards say and create your own functional safety organisation of excellence. And if you do that, well then you are well on your way in becoming a longtime winner as suppose to a short term fuse.




Design and Construction of Laboratory Gas Pipelines


Book Description

This new volume, Design and Construction of Laboratory Gas Pipelines: A Practical Reference for Engineers and Professionals, focuses on design and installation of laboratory gas pipelines. It instructs design engineers, laboratory managers, and installation technicians on how to source the information and specifications they require for the design and installation of laboratory gas systems suitable for their intended use. The current use of specifications predominantly taken from medical gas standards for this type of work is not always suitable; these standards are for use with medical grade gases that have a purity level of 99.5%. The purity levels required in laboratories, however, start at 99.9% for general industrial use through to 99.9995% (Ultra High Purity (UHP)) and higher. Regular medical gas standards are also unsuitable for use with the oxidizing, flammable, and, in some instances, toxic gases that are regularly encountered in laboratories. As need for gas purity increases, the methodology used to design a piping system must vary to meet those parameters, and this reference provides the necessary information and resources. There are no comprehensive single sources of technical references currently available in this market, states the author, and the generally supplied specifications provided to the construction industry are usually generic and not specifically targeted for the gases in use. The results provide extremely poor quality designs and, in some instances, unusable systems. With over 40 years of specialization in the industry from project management to systems design, testing, and commissioning of projects with values in excess of $15 million, the author comprehensively fills that gap with this rich resource. Key features • provides information on types of laboratories that use laboratory gases and the equipment needed • explains the various methods of construction and the materials used to ensure that the purity of the gases remains as supplied from the manufacturers • incorporates the design methodology used to meet the various requirements of the laboratory and the information required to ensure that the correct engineering is provided • presents information on the purity levels of the gases and the data on the equipment used for pipelines and compatibility issues • presents an example of a simple laboratory gas specification that provides guidelines on the information necessary to provide a set of design documents




Safety Critical Systems Handbook


Book Description

Safety Critical Systems Handbook: A Straightfoward Guide to Functional Safety, IEC 61508 (2010 Edition) and Related Standards, Including Process IEC 61511 and Machinery IEC 62061 AND ISO 13849, Third Edition, offers a practical guide to the functional safety standard IEC 61508. The book is organized into three parts. Part A discusses the concept of functional safety and the need to express targets by means of safety integrity levels. It places functional safety in context, along with risk assessment, likelihood of fatality, and the cost of conformance. It also explains the life-cycle approach, together with the basic outline of IEC 61508 (known as BS EN 61508 in the UK). Part B discusses functional safety standards for the process, oil, and gas industries; the machinery sector; and other industries such as rail, automotive, avionics, and medical electrical equipment. Part C presents case studies in the form of exercises and examples. These studies cover SIL targeting for a pressure let-down system, burner control system assessment, SIL targeting, a hypothetical proposal for a rail-train braking system, and hydroelectric dam and tidal gates. - The only comprehensive guide to IEC 61508, updated to cover the 2010 amendments, that will ensure engineers are compliant with the latest process safety systems design and operation standards - Helps readers understand the process required to apply safety critical systems standards - Real-world approach helps users to interpret the standard, with case studies and best practice design examples throughout




Functional Safety Management


Book Description

About This Book If you want to achieve functional safety on a project, technically, the hardware and software must be SIL-compliant. But how do you achieve that? With functional safety management. FSM is at the heart of all SIL projects. If you understand FSM and you apply it correctly, every project will achieve compliance and, thus, SIL. In this book, the author explains the five core concepts that are at the basis of achieving functional safety. If you master these five concepts, your SIL projects will: - Will be completed faster. - Will be completed within budget. - Lead to profitable products and services. - Have more competent employees. Functional safety management is a requirement in all functional safety standards. Your product, service, solution, operation, maintenance and repair depend on it. You could not claim compliance with the standards if you did not implement functional safety management. Yet many companies do. This is no problem as long as no accidents happen. Table of Contents Terms and Definitions 9 Preface 11 Introduction 13 Who is this book for? 13 Functional safety management as a strategy 14 Laws, standards and functional safety management 16 How to Read This Book 17 What is functional safety? 21 Three types of failures 22 What it means to be functionally safe 24 Measuring functional safety 25 What does functional safety mean in practice? 26 Functional safety management 29 Why do we need functional safety management? 29 Innovation is not our problem, (lack of) management is 34 QM, PM, and now FSM? 35 History of functional safety management 37 Objectives of functional safety management 43 Who implements functional safety management? 43 Who manages functional safety management? 44 Five Core Functional Safety Management Concepts 46 Core concept #1 - Safety Life Cycle 48 Companies often have no clue 48 A safety life Cycle Is a management tool 49 Focus the work 50 One safety life cycle Template 55 Example Safety life cycle phase - Safety requirements specification 56 The Safety life cycle as a Planning and Management tool 60 The IEC 61508 overall life cycle explained 62 A safety life cycle for every stakeholder 70 Examples of Different safety life cycle models 72 What (Functional Safety) managers need to know about safety life cycles 79 What professionals need to know 81 Core concept #2 - Competency 82 Smart but incompetent is Lethal combination 82 Work needs to be carried out by competent professionals 84 Competence versus competency 85 Four pillars of competency 86 Who should be competent in what? 91 Proving competency 93 Roles and Role Definitions 96 Certification of people 99 Safety passport® 112 What managers need to know 114 What Professionals need to know 116 Core concepts #3 Verification, Validation, Assessment & Audit 118 Testing made the difference 118 Competent professionals can make mistakes 120 Verification 121 Verification Report 128 What managers need to know 129 What Professionals need to know 130 Validation 131 Validation Test Report 137 Verification versus validation 139 What managers need to know 140 What professionals need to know 141 Assessment 142 Assessment Report 145 What managers need to know 147 What professionals need to know 148 Audits 149 The functional safety audit report 154 No assessments in the operational phase? 155 What managers need to know 155 What professionals need to know 157 Core concept #4 - Documentation 159 Documentation matters 159 Documentation, the necessary evil 162 Keep in mind 166 Quality matters, not quantity 168 Technically correct and formally correct 169 What managers need to know 170 What Professionals need to know 172 Core concept #5 - Procedures 173 Procedures can make you or Break you 173 Phase One Functional Safety Management System 175 Competency Procedure 176 Supplier procedure 178 Tools procedure 180 Configuration Management procedure 182 Modification procedure 185 Communication Procedure 191 Phase Two Functional safety management System 193 What managers need to know 195 What Professionals need to know 197 What is next? 198 About The Author 203




Functional Safety


Book Description




The Engineering of Reliable Embedded Systems (LPC1769)


Book Description

This is the first edition of 'The Engineering of Reliable Embedded Systems': it is released here largely for historical reasons. (Please consider purchasing 'ERES2' instead.) [The second edition will be available for purchase here from June 2017.]




Functional Safety


Book Description

Electrical, electronic and programmable electronic systems, such as emergency shut down systems and railway signalling systems, increasingly carry out safety functions to guard workers and the public against injury or death and the environment against pollution. The international standard IEC 61508 has been developed as a generic standard that applies to all these systems irrespective of their application. IEC 61508 is seen by many professionals as complex. This book overcomes that complexity by introducing the standard in the context of safety in general before moving on to provide practical advice about implementing it and obtaining certification. It also explains how IEC 61508 relates to second tier standards and related guidance, such as IEC 61511, 61513, UKOOA, ISA S84.01 and DIN standards, among others. Throughout the text, the authors illustrate their explanations with examples to which the answers are supplied in the appendix. Four case studies with further exercises set the information in context. Templates and checklists for drawing up your own implementation plan and information on self-certification are also provided. As Functional Safety, the standard, is applicable to many industries, Functional Safety, the book, in its previous edition has proved to be an invaluable reference for professionals from a variety of industries, such as project/instrumentation/design/control engineers as well as safety professionals in oil and gas, chemical, rail, power generation, nuclear, aircraft, and automotive industries. The new edition includes a new chapter on IEC 61511, the process sector standard, published since the first edition. The text has been updated throughout in light of the authors’ recent experience and two case studies have been added. Dr. David J Smith, BSc, PhD, CEng, FIEE, HonFSaRS, FIQA, MIGasE, has been directly concerned with reliability, safety and software quality for 30 years. He has written a number of books on the subject as well as numerous papers. His PhD thesis was on the subject of reliability prediction accuracy and common cause failure. He chairs the IGasE panel which develops its guidelines on safety-related systems (now in its third edition). He has also made contributions to IEC 61508. Kenneth G. L. Simpson, MPhil, FIEE, FInstMC, MIGasE, has been associated with safety-related systems design and also with their assessment for 25 years. He is a member of the IEC 61508 drafting committee and also of the I Gas E panel which writes the gas industry guidance. Following a career in aerospace, Ken has spent 20 years in the control system industry and is a Director of Silvertech International plc, a leading designer of safety and control systems. He has written a number of papers on the topic and gives frequent talks.




The Safety Critical Systems Handbook


Book Description

The Safety Critical Systems Handbook: A Straightforward Guide to Functional Safety: IEC 61508 (2010 Edition), IEC 61511 (2016 Edition) & Related Guidance, Fourth Edition, presents the latest on the electrical, electronic, and programmable electronic systems that provide safety functions that guard workers and the public against injury or death, and the environment against pollution. The international functional safety standard IEC 61508 was revised in 2010, and authors David Smith and Kenneth Simpson provide a comprehensive guide to the revised standard, as well as the revised IEC 61511 (2016). The book enables engineers to determine if a proposed or existing piece of equipment meets the safety integrity levels (SIL) required by the various standards and guidance, and also describes the requirements for the new alternative route (route 2H), introduced in 2010. A number of other areas have been updated by Smith and Simpson in this new edition, including the estimation of common cause failure, calculation of PFDs and failure rates for redundant configurations, societal risk, and additional second tier guidance documents. As functional safety is applicable to many industries, this book will have a wide readership beyond the chemical and process sector, including oil and gas, machinery, power generation, nuclear, aircraft, and automotive industries, plus project, instrumentation, design, and control engineers. - Provides the only comprehensive guide to IEC 61508, updated to cover the 2010 amendments, that will ensure engineers are compliant with the latest process safety systems design and operation standards - Addresses the 2016 updates to IEC 61511 to helps readers understand the processes required to apply safety critical systems standards and guidance - Presents a real-world approach that helps users interpret new standards, with case studies and best practice design examples throughout




Reliability of Safety-Critical Systems


Book Description

Presents the theory and methodology for reliability assessments of safety-critical functions through examples from a wide range of applications Reliability of Safety-Critical Systems: Theory and Applications provides a comprehensive introduction to reliability assessments of safety-related systems based on electrical, electronic, and programmable electronic (E/E/PE) technology. With a focus on the design and development phases of safety-critical systems, the book presents theory and methods required to document compliance with IEC 61508 and the associated sector-specific standards. Combining theory and practical applications, Reliability of Safety-Critical Systems: Theory and Applications implements key safety-related strategies and methods to meet quantitative safety integrity requirements. In addition, the book details a variety of reliability analysis methods that are needed during all stages of a safety-critical system, beginning with specification and design and advancing to operations, maintenance, and modification control. The key categories of safety life-cycle phases are featured, including strategies for the allocation of reliability performance requirements; assessment methods in relation to design; and reliability quantification in relation to operation and maintenance. Issues and benefits that arise from complex modern technology developments are featured, as well as: Real-world examples from large industry facilities with major accident potential and products owned by the general public such as cars and tools Plentiful worked examples throughout that provide readers with a deeper understanding of the core concepts and aid in the analysis and solution of common issues when assessing all facets of safety-critical systems Approaches that work on a wide scope of applications and can be applied to the analysis of any safety-critical system A brief appendix of probability theory for reference With an emphasis on how safety-critical functions are introduced into systems and facilities to prevent or mitigate the impact of an accident, this book is an excellent guide for professionals, consultants, and operators of safety-critical systems who carry out practical, risk, and reliability assessments of safety-critical systems. Reliability of Safety-Critical Systems: Theory and Applications is also a useful textbook for courses in reliability assessment of safety-critical systems and reliability engineering at the graduate-level, as well as for consulting companies offering short courses in reliability assessment of safety-critical systems.




Safety Instrumented Systems Verification


Book Description

This book clearly explains how to do probabilistic calculations to accomplish SIL verification for safety systems. Starting with a description of the safety lifecycle, the authors show where and how SIL verification fits into the key activities from conceptual design through commissioning.