June 2, 2026

Hazop & Lopa Process Safety For Engineers – Masterclass

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Hazop & Lopa: Process Safety For Engineers – Masterclass
Published 6/2026
MP4 | Video: h264, 1920×1080 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 6h 52m | Size: 8.23 GB

IEC 61511 | SIL Determination | IPL Credits | LOPA Calculations | Process Hazard Analysis for Oil & Gas and Chemical Eng
What you’ll learn
Select HAZOP nodes from a P&ID, write clear design intent statements, and apply the full guide word and deviation matrix to any process system
Identify credible causes and consequences for each HAZOP deviation and determine which safeguards qualify as Independent Protection Layers
Complete a HAZOP worksheet to the standard required for regulatory submission, safety case documentation, and independent third-party review
Apply CHAZOP guide words to control system logic, cause and effect charts, and DCS shutdown sequences to identify control system hazards
Conduct LOPA using correct initiating event frequency data from CCPS, OREDA, and ISA TR84.00.02 sources for common process and utility failures
Apply IPL credit values for BPCS loops, operator response, pressure safety valves, and independent trips – and test whether each safeguard qualifies as an IPL
Calculate the unmitigated consequence frequency from a LOPA scenario and determine the required SIS PFD and SIL target from the risk gap
Write a Safety Requirements Specification entry for a Safety Instrumented Function derived from LOPA output
Select SIS architecture – 1oo1, 1oo2, 2oo2, 2oo3 – based on the SIL requirement and the spurious trip rate constraint
Apply HAZOP and LOPA in upstream oil and gas, gas compression, chemical processing, and power generation scenarios through worked case studies
Understand proof testing obligations, bypass management requirements, and Functional Safety Assessment scope under IEC 61511
Contribute to, lead, and independently review HAZOP and LOPA studies to the standard expected by competent authorities and independent verifiers
Requirements
•A background in engineering, science, or a technical discipline is assumed – this course is built for working engineers and technical professionals, not general awareness learners
No prior knowledge of HAZOP or LOPA is required – the course builds from first principles through to applied methodology and worked calculations
Basic familiarity with process plant concepts is helpful – knowing what a P&ID shows, what a separator does, or what a compressor station consists of will help context land faster
No software is required – HAZOP and LOPA are documented in spreadsheets and structured worksheets; the course focuses on methodology, not tool selection
Those with existing IEC 61511 or functional safety exposure will find the course reinforces and deepens their existing knowledge – the material complements rather than duplicates introductory functional safety content
Description
Every major accident in the process industries shares one root cause: hazards that were known, and risks that were not adequately controlled.
Bhopal. Texas City. Piper Alpha. Buncefield. In each case, process hazard analysis tools existed that could have identified the failure modes before the event. HAZOP and LOPA exist precisely to prevent these outcomes – and in regulated industries, conducting them is not optional.
This course is the complete practical guide to HAZOP and LOPA for process, safety, and C&I engineers.
HAZOP – Hazard and Operability Study – is the primary technique for identifying hazards in process plant design. It is required by IEC 61511 as part of the functional safety lifecycle, by OSHA PSM for covered processes in the United States, and by COMAH for major hazard sites in the UK. If you are working on any process plant, pipeline, or offshore installation, HAZOP is not optional – and knowing how it works at a practitioner level is a professional requirement.
LOPA – Layers of Protection Analysis – is the semi-quantitative risk assessment method that bridges HAZOP and SIL determination. LOPA takes the hazard scenarios identified in a HAZOP study and quantifies whether existing safeguards provide sufficient risk reduction, or whether a Safety Instrumented System (SIS) is required and at what SIL. It is the most widely used SIL determination method in the process industry globally, and the method most often challenged by competent authorities and independent verifiers.
The HAZOP section covers the full methodology from first principles: node selection and design intent, guide word application and deviation generation, cause and consequence analysis, safeguard identification, and HAZOP record documentation. It includes CHAZOP for control systems, procedural HAZOP for batch processes, and a full worked example on a three-phase gas separator – with real engineering decisions made visible.
The LOPA section covers initiating event frequency data, consequence severity and tolerable risk targets, independent protection layer criteria and PFD credit values, the full risk calculation, and SIL determination from LOPA output. A full worked example takes a compressor station high-pressure scenario from HAZOP finding through to SIL 2 assignment, with every number shown and justified.
The course continues into SIL verification and SIS design fundamentals – covering PFD calculation methods, architecture selection, proof testing requirements, and the Safety Requirements Specification – so engineers understand what their HAZOP and LOPA work feeds into, and what the SIS designer needs from them.
Applied case studies cover HAZOP and LOPA in upstream oil and gas, gas compression and pipeline systems, chemical reactors and fired heaters, and power generation – using real equipment and real deviation scenarios throughout.
Built by a practising engineer with over fifteen years delivering safety-critical control system projects across oil, gas, and energy infrastructure – including live HAZOP and LOPA studies, SIL determinations, Safety Requirements Specifications, and Functional Safety Assessments on active major hazard installations. The methodology is explained as it is applied in practice, not as abstraction.
If you are a process engineer, safety engineer, C&I engineer, or project manager working on any plant that contains hazardous substances or energy – this course gives you the methodology, the worked examples, and the reference materials to contribute to HAZOP and LOPA studies, lead them, and review their outputs.
Who this course is for
Process engineers on oil & gas, petrochemical, chemical, LNG, or pipeline projects who need to contribute to or lead HAZOP studies as part of the engineering lifecycle
Safety engineers and functional safety practitioners who conduct LOPA and SIL determination studies and need a structured, defensible methodology with correct IPL credit values
Control and instrumentation engineers who participate in CHAZOP sessions and need to understand how SIL requirements are derived from the LOPA studies that define their SIS design
Project managers and engineering leads on major hazard installations who need to plan, scope, and manage HAZOP and LOPA study programmes and understand what good outputs look like
HSE professionals, safety case writers, and competent authority reviewers who review HAZOP and LOPA documentation and need to assess the quality and completeness of study outputs
Engineers preparing for TUV Functional Safety Engineer (IEC 61511), TUV SIS Engineer, or CFSP examinations where HAZOP and LOPA methodology is directly tested
Graduate engineers entering process, safety, or C&I roles who need a structured introduction to the process hazard analysis methods they will encounter on every major project

Tags:Engineers, hazop, Lopa, Process, Safety

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Hazop & Lopa Process Safety For Engineers – Masterclass

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