Davide Arnoldi
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A new possibility to increase their functional safety skills for the process industry.

With our training program, created after years of continuous training and interfacing with various companies, technicians and engineers, you can demonstrate your competence in relation to the fundamental aspects of Functional Safety, throughout the design cycle of Instrumented Safety Systems


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Functional Safety Competent

Who is the course for?

Process safety engineers
Automation and instrumentation engineers / technicians
Engineering / Operational Management
Hazardous event prevention professionals

Final exam

The final exam will demonstrate the knowledge that was acquired by the student during the course.
To pass the final exam you pass over positively at least 80% of the exam.
The exam will be in Italian with multiple choice questions and exercises

Course program

Introduction to the IEC 61508 and IEC 61511 standards
• Incidents, where do they come from?
• Historic incidents
• How much does an accident cost?
• Safety system - Definition
• Safety Instrumented System (SIS)
• IEC 61508 vs IEC 61511
• History of the development of standards
• IEC 61508 overview
• Objectives of IEC 61508
• Application area of IEC61508
• IEC 61511 overview
• Application area of IEC 61511
• Functional Safety - Definition
• Why apply these standards?
• Main documentation produced
• Management of functional safety
• Functional Safety Assessment (FSA)

Mitigation and Prevention levels of Dangerous Events
• Chain of events
• Safety levels
• What is a hazard?
• Risk reduction with prevention levels
• Mitigation levels

Basic terms and concepts of Functional Safety
• Safety Intrumented Function (SIF)
• Safe and dangerous failures
• Safety Integrity
• Hardware safety integrity
• Systematic Safety Integrity
• How to avoid systematic failures?
• Systematic capability
• Success criteria (architecture 1oo1, 1oo2, 2oo2, 2oo3 ...)
• Hardware fault tolerance (HFT)
• Availability or unavailability
• Reliability
• Failure rate (λ)
• Safe Failure Fraction (SFF)
• Risk Reduction Factor (RRF)
• Probability of Failure on Demand (PFD)
• Safety Integrity Level (SIL)
• PFD or PFH?
• Common Cause Factor β
• Diagnostic coverage (DC)
• PFD behavior with various tests

Layers of protection analysis (LOPA) techniques and requirements for protection layers
• SIS safety requirements specification (SRS)
• Safety instrumented function (SIF) requirements
• Application program requirements specifications

Process hazard and risk analysis
• Risk Management
• Risk Management - Cyber Security
• HAZOP results
• Fault tree analysis (FTA)
• Allocation of safety functions to protection layers
• SIL evaluation
• SIL evaluation - Risk Graph

Installation, commissioning and validation requirements
• SIS validation planning and site acceptance test (SAT)
• Application program validation techniques
• Activities mandatory prior to introduce the identified hazards

Operation, maintenance, modifications and decommissioning
• Requirements to operate and maintain the SIS
• Proof testing and inspection for every SIF
• Maintenance override switch (MOS) structure
• Competency training for operators and maintenance personnel
• Modifications requirements including functional safety assessment and re-verifications

SIS design - SIL verification
• Can we use BPCS for risk reduction?
• Risk Reduction Factor (RRF)
• SIF design - Hardware design
• Tipe A or Tipe B components?
• Quantification of random failures
• IEC 61508 compliance - Certification
• IEC 61508 compliance - Prior or Proven in use
• SIL verification - SIL by Sistematic Capability
• SIL verification - SIL by architactural constraints
• SIL verification - SIL by PFD (Simplified Calculation of PFD formula)
• Design of the SIS Application Program
• Software requirements
• Safety requirements of AP (LVL) - V model
• SIS testing and factory acceptance test (FAT)

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