Electrical Hazard, Risks and Emergency Shutdown Systems

Objectives

o   Understand the requirements of the international standards IEC 61598 and IEC 61511

o   Apply the IEC 61508 Safety Instrumented System Development ‘Safety Life Cycle’ model

o   Determine the Safety Integrity Level (SIL) using risk assessment methods

o   Understand the specifications of emergency shutdown protection requirements

o   Establish specification requirements for the sensor, programmable logic controller and valves

o   Follow Management of Change (MOC) procedures for control of future SIS changes

Outline

DAY 1: Introduction to Safety Instrumentation Systems

·        Overview of Safety Instrument Functions (SIFs)

·        Introduction to Standards IEC 61508 and IEC 61511

·        Equipment Under Control (EUC)

·        Introduction in Identifying Hazards and Analyzing Risks

·        Safety Instrumented Systems (SIS) – Safety Life Cycle Stages

·        Overview of Safety Integrity Levels (SILs)

DAY 2: Hazards & Risk Reduction

·        Identifying Hazards and Risk Analysis Tools

·        Process Control vs. Safety Control

·        Layers of Protection Models (LOPs)

·        Risk Reduction and Risk Ranking Classification

·        Determining Safety Integrity Levels (SILs)

·        Developing the Safety Requirements Specification

DAY 3: Technology Choices and Reliability Analysis

·        IEC 61508 / IEC 61511 Technology Requirements

·        Pneumatic Systems

·        Relay Systems and Solid-state Systems

·        Microprocessor / PLC Systems

·        Issues related to System Size and Complexity

·        Reliability of Components Databases

DAY 4: Overview of SIS Field Devices

·        Importance of Field Devices

·        Types of Sensors

·        Final Elements (pressure relief and shutdown valves)

·        Nuisance Trips, Voting Schemes, and Redundancy

·        Design requirements for Field Devices

·        Installation of Field Device concerns

DAY 5: Safety Systems Engineering

·        Step-by-Step Safety Instrumentation System Development Plan

·        SIS Functional Testing Procedures

·        Information Flow and Preparation of Documents

·        Managing existing and future changes to an SIS

Who Should Attend ?

·        Design and Electrical Engineers

·        Instrument and Process Control Engineers and Technicians

·        Mechanical Engineers and Technicians

·        Operations and Process Engineers

·        Line Managers and Supervisors