In high-hazard industries, incidents—ranging from near misses to major accidents—are critical indicators of system weaknesses, operational gaps, and latent hazards. A robust and structured approach to Health, Safety, and Environmental (HSE) Incident Investigation is therefore essential to identify root causes, prevent recurrence, and strengthen the overall safety management system.

This advanced five-day training program offers a comprehensive technical deep dive into the systematic methodologies, legal implications, human and organizational factors, and forensic techniques essential for effective incident investigation. It emphasizes fact-based, root cause-driven analysis using globally recognized methodologies such as Root Cause Analysis (RCA), 5-Whys, Fishbone (Ishikawa) Diagrams, Fault Tree Analysis (FTA), Event and Causal Factor Charts (ECFC), Bow-Tie Analysis, and TapRooT®.

Participants will develop the technical competence to:

• Recognize and categorize incidents (including HIPO – High Potential Events).
• Apply structured analysis frameworks to collect, validate, and interpret evidence.
• Reconstruct event sequences using timeline analysis and barrier analysis.
• Distinguish between immediate, underlying, and root causes using multi-level failure logic.
• Identify systemic gaps in procedures, training, equipment, or management systems.
• Develop effective Corrective and Preventive Actions (CAPAs) based on risk-based prioritization.

The course also integrates elements of legal and regulatory compliance (e.g., OSHA, ISO 45001, IOGP, API RP 754), interviewing techniques, and report writing, ensuring investigators can generate technically defensible reports and interface with legal, regulatory, and insurance stakeholders when required. Real-world case studies from the oil & gas, chemical, and energy sectors will provide applied context.

Upon successful completion of this course, the delegates will be able to:

• Comprehensively understand incident classification, causation models, and regulatory requirements.
• Apply structured incident investigation methodologies to identify immediate, underlying, and root causes.
• Utilize advanced tools such as Bow-Tie Analysis, 5-Whys, Fault Tree Analysis (FTA), and TapRooT® for root cause identification.
• Conduct fact-based interviews and collect high-integrity data during investigations.
• Construct technical incident timelines and causal sequence mapping.
• Develop corrective and preventive actions (CAPA) aligned with ISO and OSHA standards.
• Produce formal, audit-ready HSE incident investigation reports with defensibility in court or regulatory inquiries.
• Promote a learning and prevention-focused safety culture through incident analysis.

This course is recommended for:

• HSE Managers, Officers, and Coordinators
• Process Safety Engineers and Operational Supervisors
• Quality Assurance and Compliance Specialists
• Emergency Response and Risk Managers
• Regulatory Affairs and Legal Compliance Teams
• Auditors and Incident Review Board Members
• Training and Competency Managers in high-risk industries
• Engineering Managers and Maintenance Personnel.

Day 1: Foundations of Incident Investigation in High-Hazard Petrochemical Operations

5.1 Understanding the Petrochemical Process Safety Environment

• Process safety fundamentals specific to refineries, olefin units, and chemical plants
• Hazardous process characteristics (toxic releases, flammables, pressurized systems)
• Key regulatory and global frameworks: OSHA 1910.119, API 754, CCPS guidelines
• Classification of incidents: Process Safety Incidents (Tier 1-4), personal safety incidents, environmental events

5.2 Structure and Governance of HSE Incident Investigations

• Incident investigation policies and management system requirements (ISO 45001, ISO 14001, API RP 585)
• Roles and responsibilities: Lead investigator, HSE manager, line supervisor, technical expert
• Confidentiality, legal privilege, and preservation of evidence in high-risk industries
• Setting investigation scope: Near miss vs. catastrophic failure

5.3 Pre-Investigation Actions and Emergency Response Integration

• Scene preservation protocols under COMAH/SEVESO III requirements
• Interface between emergency response and root cause analysis teams
• Immediate data logging: DCS records, ESD triggers, pressure/flow alarms
• Establishing preliminary event timeline with shift logs and SCADA outputs.

Day 2: Evidence Collection and Incident Scene Management

5.4 Physical Evidence Collection at Process Sites

• Scene examination techniques: P&ID overlay analysis, isolation lockout logs, flare event timelines
• Sample collection: hydrocarbon residues, corroded pipe coupons, instrument air filter traps
• Photos, 3D scanning, and drone use for inaccessible or explosive environments
• Evidence tagging, chain of custody, and secure storage procedures

5.5 Human Factor Data Gathering in Complex Petrochemical Settings

• Conducting structured interviews: DCS operators, maintenance staff, control room supervisors
• Behavioral-based analysis and job-task interface review
• Utilizing Human Factors Analysis and Classification System (HFACS) for error modeling
• Cognitive bias management and leading questioning avoidance

5.6 Systems and Documentation Review

• Control room logs, permit-to-work (PTW) systems, shift handover sheets
• Reviewing maintenance records, SIS bypass logs, MoC approvals, and alarm management audits
• Interlock register and instrument loop diagram verification
• Documenting deviations from operating procedures and PHA recommendations.

Day 3: Root Cause Analysis (RCA) and Technical Failure Diagnostics

5.7 Root Cause Analysis Techniques for the Petrochemical Sector

• Structured RCA tools: 5-Whys, Fishbone (Ishikawa), Barrier Analysis, Fault Tree Analysis
• API RP 585 and CCPS incident investigation workflow alignment
• Use of TapRooT® and Bow-Tie XP in process safety investigations
• Integrating Layer of Protection Analysis (LOPA) results into RCA

5.8 Engineering Forensics and Mechanical Failure Diagnosis

• Analysis of material failure: creep, fatigue, corrosion under insulation (CUI), hydrogen embrittlement
• Instrumentation malfunction: signal loss, zero drift, loop calibration failures
• Mechanical seal leakage, pump trip root analysis, PSV chatter and lift signatures
• Static equipment failures: pressure vessel overpressure, piping vibration, flange leakage

5.9 Control System and Automation Failures

• PLC logic misconfigurations, SIS logic solver response delays, alarm rationalization issues
• Failure of override interlocks, fire and gas detection logic lapses
• DCS/HMI interface errors and human–machine interface (HMI) usability audits
• Control system cyber-attack vectors and compromised diagnostics.

Day 4: Report Development, Communication, and Legal Interface

5.10 Technical Report Structuring and Evidence Presentation

• Structuring investigation reports with executive summaries, evidence matrices, and causal chains
• Use of timeline event mapping and fault propagation diagrams
• Effective use of appendices: piping isometrics, event chronologies, and C&E matrices
• Graphical risk reduction maps (bow-tie outcome integration)

5.11 Regulatory and Legal Considerations

• Interaction with regulatory authorities (MOCCAE, ADNOC, OSHA, EPA, HSE UK)
• Legal privilege, litigation risks, and compliance documentation
• Managing communication with third parties, contractors, and insurance investigators
• Protecting proprietary technology and incident privacy in multi-stakeholder environments

5.12 Communication Strategy and Stakeholder Briefing

• Briefing internal stakeholders: executive leadership, process teams, and board representatives
• External communication strategy: media handling, public statements, and regulatory disclosures
• Developing CAPA presentation materials with risk reclassification outcomes.

Day 5: Corrective/Preventive Actions (CAPA), Risk Reassessment, and Learning Integration

5.13 Corrective and Preventive Action Planning in the Petrochemical Context

• Action hierarchy: engineering redesign, administrative controls, training reinforcement
• API RP 754 metrics and leading/lagging indicator validation
• Safety Integrity Level (SIL) reassessment and revision of IPLs (Independent Protection Layers)
• Case-based group exercise: CAPA development for a column overpressure event

5.14 Management of Change (MoC) and HSSE System Feedback Loop

• Updating PSM elements: training needs analysis (TNA), operating procedures, and P&ID revisions
• MoC governance in light of incident findings: system software, equipment, raw materials
• Risk register updates and bow-tie revisions to reflect new understanding
• Re-validating Process Hazard Analysis (PHA) assumptions

5.15 Case Study Workshop and Final Simulation

• Integrated incident simulation using actual case (e.g., heat exchanger rupture, runaway reaction)
• Group-based investigation: technical fault identification, RCA mapping, CAPA definition
• Peer review panel simulation: presenting findings to an executive HSE board
• Scoring methodology based on technical depth, regulatory compliance, and systemic recommendations.

A variety of methodologies will be used during the course that includes:

• Instructor-Led Training (ILT)
• Multimedia Presentations using real-world incident scenarios
• Group Workshops and Team-Based Case Studies
• Simulation of Investigations using industrial examples
• Use of Templates and Checklists for real-world applications
• Assessment Tools: Daily quizzes, RCA exercises, and final evaluation

To be advised as per the course location. This rate includes participant’s manual, Hand-outs, buffet lunch, coffee/tea on arrival, morning & afternoon of each day.

Daily Course Timings:

    08:00 - 08:20       Morning Coffee / Tea

    08:20 - 10:00       First Session

    10:00 - 10:20       Recess (Coffee/Tea/Snacks)

    10:20 - 12:20       Second Session

    12:20 - 13:30       Recess (Prayer Break & Lunch)

    13:30 - 15:00       Last Session