Course curriculum

  • 1

    Getting Started

  • 2

    Chapter 1 - The Safety Life Cycle

  • 3

    Chapter 2 - Risk Assessment Review

    • Where to start

      FREE PREVIEW
    • Risk Assessment Review

    • Setting the Scope

    • Setting the scope quiz

    • Design limits: Intended use and foreseeable misuse

    • Design limits quiz

    • Hazard Identification

    • Hazard Identification Exercise

    • Hazard identification quiz

    • Estimating Likelihood

    • Probability & Likelihood quiz

    • Task-Hazard Lists

    • Task-hazard quiz

    • Hazardous Situations and Events

    • Hazardous Situations quiz

    • Understanding the Hierarchy of Controls

    • Hierarchy of Controls quiz

    • Example Risk Assessment Worksheets

    • Case Study

    • Lesson Quality Survey

    • Chapter 2 quiz

  • 4

    Chapter 3 - Linking Risk to Functional Safety

    • What is a Safety Function?

    • Safety function into quiz

    • Example Safety Functions

    • Optional extra reading: “Out of Control: Why Control Systems go Wrong and How to Prevent Failure - HSG238"

    • Example safety function quiz

    • Mapping Risk Parameters to Functional Safety Parameters: The Risk Scale

    • Mapping: Risk Scale quiz

    • Mapping Risk Parameters to Functional Safety Parameters: The Functional Safety Scale

    • Mapping: Functional Safety scale quiz

    • Mapping Risk Parameters to Functional Safety Parameters: The Parameter Map

    • What About the "O" Parameter?

    • Optional extra reading: Linking Risk and Reliability - Nix, Chinniah, Dosio, Fessler, Schrever

      FREE PREVIEW
    • Chapter 3 quiz

  • 5

    Chapter 4 - Safety Functions

    • Developing the SRS - Limits

    • Developing the SRS - Limits quiz

    • Developing the SRS - the Safety Function Description

    • Safety Function Description quiz

    • Drafting the SRS for a Safety Function

    • Worked Example SRS

    • SISTEMA Cookbook 6 - Definitions of Safety Functions - What is important?

    • Chapter 4 quiz

  • 6

    Chapter 5 - From Specification to Design - System Architectures

    • What is a "Failure Rate"?

    • Failure rate quiz

    • Understanding Performance Levels

    • Performance level quiz

    • Interlock Architectures – A little history

    • Architecture, DC and MTTFD Selection

    • Introducing Architectural Categories

    • Understanding Reliability Block Diagrams

    • Understanding Category B

    • Understanding Category 1

    • Understanding Category 2

    • Understanding Category 3

    • Understanding Category 4

    • SISTEMA Cookbook 4 - When the Architectures Don't Match

    • Chapter 5 quiz

  • 7

    Chapter 6 - Components and Mean Time to Dangerous Failure

    • Introducing MTTFD

    • Calculating MTTFD for a single component (using Annex C)

  • 8

    Chapter 7 - Understanding Diagnostic Coverage

    • FMEA Template

  • 9

    Chapter 8 - Safety Related Software

    • IFA Software Development Best Practices

  • 10

    Chapter 14 - Review and Final Exam

    • Final Exam

Instructor(s)

Doug Nix

Machinery Safety Specialist

Doug is the main instructor for machinery safety and regulatory compliance topics. Specializing in industrial machinery, Doug has more than 35 years of experience in risk assessment, control systems design, functional safety and standards development. Sharing what he has learned over his career has become a passion while providing training to technicians, technologists and engineers. Besides providing consulting services to clients, Doug also writes for the Machinery Safety 101 blog, http://machinerysafety101.com. Doug co-owns Compliance inSight Consulting, and the Machinery Safety 101 blog with his partner and best friend, Kimberly Nix.

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