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Safety Instrumented Systems - Tüv Rheinland

Safety Instrumented Systems ERM

ERM

The company Engineering Safety Consultants Ltd., United Kingdom, is an accepted course provider for Safety Instrumented Systems trainings of the TÜV Rheinland Functional Safety Program.

Why attend the course?

There is an increasing dependence on Safety Instrumented Systems to achieve tolerable risk levels in the process sector. In addition there is an increasing need to justify that the risk levels that have been achieved are tolerable. Subsequent to incidents such as Texas City (USA) and Buncefield (UK), there has been a greater emphasis on standards such as IEC 61508 and IEC 61511.

The standards cover not only the design requirements of the systems themselves but also the development of the Safety Requirements Specification in terms of the Safety Instrumented Functions to be performed and the Safety Integrity Levels of those Safety Instrumented Functions.

The management of functional safety and the competence of those involved in any Safety Lifecycle activity are also specified in the standards.

Target Group

The course is aimed at those who have responsibilities within the scope of IEC 61508 & IEC 61511. In particular:

  • Systems integrators of Safety Instrumented Systems being designed to meet the requirements of IEC 61511.

Agenda

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Day 1

Fundamentals of functional safety #1:

  • Essentials of functional safety;
  • Safety function: Functionality & safety integrity;
  • Hazard Analysis;
  • Risk Assessment;
  • Risk Target and Risk Reduction Models;
  • IEC 61508 family of standards and the role of IEC 61511;
  • Overall Safety Lifecycle, E/E/PE Safety Lifecycle & work Safety Life-cycle.

Fundamentals of functional safety #2:

  • Strategy to achieve functional safety;
  • Failure modes & failure categories;
  • Failure Mode & Effects Analysis (FMEA) incorporating FMECA & FMEDA in the context of IEC 61508;
  • Safety Integrity & Safety Integrity Levels (SILs);
  • Overall design framework;
  • Compliance model.

Fundamentals of functional safety #3:

  • Modes of Operation (Low Demand/High Demand/continuous);
  • SIL Determination ((Low Demand/High Demand/continuous);
  • Example of overall approach;
  • Allocation of safety functions.

Design essentials to achieve a specified SIL (IEC 61508)

Framework for the Design Requirements

  • Reliability modelling (achievement of Target Failure Measure (e.g. PFDavg)
  • Hardware Safety Integrity;
  • Systematic Safety Integrity & Systematic Capability;
  • Routes to compliance IEC 61508 (including Proven in Use);
  • Hardware Fault Tolerance (HFT) & Architectural Constraints

Day 2

Simplified example: SIL Achievement

Achievement of Safety Integrity comprising:

  • Achievement of the Target Failure Measure (e.g. PFDavg) for dangerous Random Hardware failures;
  • Hardware Safety Integrity (Architectural Constraints) including Hardware Fault Tolerance (HFT) and Safe Failure Fraction (SFF)
  • Systematic Safety Integrity

Assurance Measures

  • Functional Safety Audit;
  • Functional Safety Assessment;
  • Verification & Validation;
  • Accreditation and Certification;
  • Traceability

Workshop #1

Questions on topics covered so for (including multiple choice and multiple response)

  • Design essentials to achieve a specified SIL (IEC 61511)
  • Relationship between IEC 61508 and IEC 61511;
  • SIF functionality and SIF safety integrity;
  • SIF Loop;
  • Safety Lifecycle;
  • Design requirements to achieve a specified SIL (IEC 61508 & IEC 61511 design options);
  • BPCS control and protection functions;
  • BPCS as a Protection Layer;
  • Prior Use Concepts.
  • Legacy Systems

Workshop #2

Questions on topics covered so for (including multiple choice and multiple response)

Day 3

Management of Functional Safety & Functional Safety Assessment (IEC 61511)

  • Organisation & resources
  • Lifecycle Management
  • Risk evaluation & risk management
  • Planning
  • Implementing & monitoring
  • Assessment, auditing & revisions
  • Competence (individual and Competence Management Systems);
  • Specifying competence & Assessing competence; Competence Management System.

SIL determination (including Target Risk & Tolerable Risk concepts)

  • Legal Requirements (ALARP)
  • Corporate Risk Criteria
  • Cost Benefit Analysis
  • Quantitative & qualitative approaches
  • Risk Reduction concepts/Risk Parameters: (protection layers/conditional modifiers)
  • LOPA, Risk Graphs, Fault Tree Analysis
  • Sector approaches
  • Contribution of the EUC control system (Low Demand Mode)

Workshop #3

Questions on topics covered so for (including multiple choice and multiple response)

Operation & Maintenance

  • Modifications
  • Overrides
  • Functional Safety Audits
  • Functional Testing
  • Proof Testing
  • Proof Test Coverage
  • Perfect and imperfect proof testing
  • Proof Test Procedures

Workshop #4

Questions on topics covered so for (including multiple choice and multiple response)

Open Forum

Discussion & questions on any issues covered on the course

Requirements

The following requirements have to be met, to participate in a training of the TÜV Rheinland Functional Safety Training Program and to get the FS Engineer (TÜV Rheinland) certificate:

  • A minimum of 3 years’ experience in the field of functional safety;
  • University degree (Master's or Bachelor's degree in Engineering); or, equivalent engineer level responsibilities status certified by employer.

Exam

Day four consists of a four-hour Two-Part examination where:

  • Part 1 of the examination comprises a number of Multiple-Choice questions (where only one answer is correct) and Multiple-Response questions (where, at most only two correct answers are possible).
  • The scoring for the Multiple Choice is one mark for a correct answer and no marks for an incorrect answer.
  • The scoring for the Multiple-Response questions is one mark for a correct answer and two marks are available for the two possible correct answers.
  • Part 2 = 10 multiple-part questions. Three marks per question are available for a correct answer.

The pass mark for the examination is 75%.

Costs

The price per participant is from GBP £1,990 depending on location.

This price includes: Course material; Registration fees; FS Engineer (TÜV Rheinland ) certificate if the participant has successfully passed the examination and requirements relating to other course requirements (e.g. experience etc.) have been met; Refreshments and Lunch.

For exact prices for specific locations please contact ESC.

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