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04-07-2022 (Online Course)

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Online Course:
Rail Industry Risk Engineering

Risk engineering principles and practices in support of Engineering Design Safety Management (EDSM) and EN50126 in the Rail Industry.

Over 8 Weeks | 8 Modules
4 July – 26 August 2022

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Key Learning Outcomes

  • Understanding the difference between accident-based thinking and Risk science
  • Knowing how to identify and describe Risk in engineered systems
  • Understanding the sequential structure of the damage or loss process – the foundation of Risk Analysis
  • Understanding Risk as a real number value
  • The ability to estimate Risk through Quantified Risk Analysis
  • The ability to comprehensively identify and understand the effect of Risk control measures
  • Understanding cost-benefit analysis in the context of Risk controls
  • The ability to contribute effectively to the process of design risk assessment contained in EN50126

About the Course

The EN50126 Standard relating to the reliability, availability, maintainability and safety (RAMS) of rail-based transportation systems defines the structure of a design process for Engineering Design Safety Management (EDSM). The use of this process by design and operators’ engineers requires an understanding of “risk” and what is meant by “safety”.

These two terms are the subject of much misunderstanding and are defined in numerous ways in legislation and in the plethora of risk management standards. These terms are actually also the subject of good science, but this is seldom recognised or taught. This science provides a sound foundation for engineers to use, which is entirely compatible with the risk analysis methods pioneered by engineers after WW2.

A much-misunderstood aspect of the social context in which risk exists is that the task of the engineer can be expressed as the need to achieve a tolerable level of residual risk. A simple understanding of this notion is not helpful. Engineers designing rail systems need a more comprehensive understanding of the objective – “safety”.

Rail Industry Risk Engineering online course presents a scientific understanding (based on and derived from reputable sources) of the process that leads to unwanted Outcomes and Damage, defining Risk in the context of the uncertainty of this process and thereby provides a sound basis for understanding Risk Engineering analytical techniques, the use of which is necessary in EDSM.

Who Will Benefit

Anyone involved with setting up or using design processes based on EN50126, particularly rail system design engineers and operators’ engineers involved with Engineering Design Safety Management and the use of EN50126.


Derek Viner


Packages Price
Online Course$2295+GST

Great Savings:
When you book 4 or more participants! Call us today on +61 (0) 2 9080 4395 or email to take advantage of the discount offer.

Course Outline

This course consists of 8 Modules, which progressively explain the foundation science and its application in: developing a risk register; risk analysis theory and practice; estimating risk using real numbers; comprehensively identifying and evaluating control measures including the use of cost benefit analysis.

Conceptual clarity and science applied to understanding Risk – Course introduction

  • Accident causation theory and its history
  • Recognising accident causation ideas in safety management systems
  • Scientist’s views on accident causation theory
  • The qualities of models and theories arising from application of the scientific method
  • Illuminating the differences

Structured registers of Risks in engineered systems in the rail industry

  • The origins of the scientific understanding
  • How damage and loss happens 1
  • How damage and loss happens 2
  • Categorising and cataloguing risks in engineered systems – a structured approach to risk registers
  • Risks in the rail industry

How damage happens – the foundation of Risk Analysis

  • Understanding the sequential structure of the damage or loss process
  • Understanding the basis and use of Fault Tree Analysis and its difference from ‘cause analysis’
  • Understanding the basis and use of Event (Outcome) Analysis and its difference from ‘cause analysis’ and its difference from ‘cause analysis’
  • Awareness of how these two forms of analysis combine to model the process leading to damage/loss and its uncertainty (hence Risk)

Real number estimates of Risk

  • Understanding the parameters that determine Risk and the Risk Diagram
  • Understanding Risk using real numbers
  • Understanding the practical value of this in cost benefit analysis of proposed control measures

Quantified Risk Analysis (QRA)

  • The ability to decide on the measure of Exposure that suits the overall function of the system
  • Understanding the difference between and the meaning of Frequency and probability
  • The ability to determine appropriate values of equipment failure probability
  • Understanding how Outcome pathway probabilities can be synthesized
  • The ability to estimate Risk through QRA

Control over risk

  • Recognising risk controls in the Energy Damage Model
  • Recognising risk controls in the Time Sequence Model
  • Understanding of both “Class A” and “Class B” controls
  • Understanding of the effect of risk controls on the Risk Diagram

Evaluating risk control possibilities

  • Understanding the social and legal context of Risk
  • Understanding that proposed risk control measures can be evaluated in the context of practical, social and moral obligations
  • Understanding of the criteria for “Must Do, Should Do and Could Do” controls
  • Understanding Cost Benefit Analysis in the context of risk

System design evaluation in EN50126

  • Evaluation in the context of the EN50126 process for risk assessment
  • Translation or comparison of terms and concepts used in EN50126, part 1
  • Translation or comparison of terms and concepts used in EN50126, part 2
  • Summary of the engineering risk assessment process

when & where

04 Jul 2022

Online Course

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Still have a question?

Sushil Kunwar
Training Consultant
+61 (0)2 9080 4395

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