WES Trainings

Safety Instrumented Systems

Course Outline

Day - 1
  • Module 1: Introduction to Safety Instrumented Systems 

    • Overview of safety instrumented systems and their importance in process industries 
    • Basic principles of functional safety and safety integrity levels (SILs) 
    • Role of safety instrumented systems in risk reduction and process safety management 

    Module 2: Design and Engineering of Safety Instrumented Systems 

    • Design considerations and requirements for safety instrumented systems 
    • Hazard and risk assessment techniques (PHA, HAZOP, LOPA) 
    • SIL determination and allocation methods 
    • Safety instrumented functions (SIFs) and safety requirements specifications (SRS) 
Day - 2
  • Module 3: Components of Safety Instrumented Systems 

    • Components of safety instrumented systems: sensors, logic solvers, final elements (valves, actuators), alarms, annunciators 
    • Redundancy and diversity requirements 
    • Fail-safe and fail-operational principles 
    • Diagnostic and proof testing capabilities 
Day - 3
  • Module 4: Implementation and Integration 

    • Planning and project management for SIS implementation 
    • Installation and commissioning procedures 
    • Integration of safety instrumented systems with process control systems 
    • Functional safety assessments (FSA) and validation 
Day - 4
  • Module 5: Operation and Maintenance 

    • Operating procedures and control strategies for safety instrumented systems 
    • Testing and proof testing procedures 
    • Maintenance practices and reliability-centered maintenance (RCM) 
    • Management of change (MOC) procedures 
Day - 5
  • Module 6: Regulatory Standards and Compliance 

    • Overview of relevant regulatory standards and guidelines (IEC 61511, ISA 84, API RP 551) 
    • Compliance requirements for safety instrumented systems 
    • Audits and assessments for regulatory compliance 
    • Documentation and record-keeping requirements 

    Module 7: Case Studies and Best Practices 

    • Case studies of successful implementation and operation of safety instrumented systems 
    • Best practices for designing, implementing, and maintaining safety instrumented systems 
    • Lessons learned from real-world incidents and failures 
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