Process Safety Taxonomy

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Management

Management Principles

Level 2 Level 3 Level 4 Keywords
Management Principles

Principles

Leadership
Leadership

Commitment
Commitment

Continuous Improvement
Continuous Improvement

Integration with Operations
Integration with Operations

Benchmarking and Metrics
Metrics


Leading Indicator


Lagging Indicator


Personal Safety metrics


Process Safety performance metrics


Near-miss reporting

Safety Culture
Safety Culture

Safety Climate


Safety Attitude

 

Process Safety Information and Knowledge

Level 2 Level 3 Level 4 Level 7 Level 8 Keywords
Process Safety Information and Knowledge



Process Safety Information

Hazards Management


Hazards


Toxicity Information




Permissible Exposure Limits




Physical Data




Reactivity Data




Corrosivity Data




Thermal and Chemical Stability Data




Mixing Effects




Flammability Diagram




Explosion Indices



Process Design


Process Design


Process Flow Diagram
Pre-FEED PFD


Piping and Instrumentation Diagram (P&ID)
FEED P&ID




Barriers

Operational Data


Operations


Upper and Lower Safe Limits




Upper and Lower Operating Limits




Critical Alarms




Maximum Intended Inventories




Resilience Early warning signalling


Instrumentation



Safety dashboard
Instrumentation


Relief System Design and Design Basis

Relief


Interlocks & Safety

Safety


SIL levels




Safety Instrumented Systems (SIS)

SIS

Facility


Facility


Ventilation System Design




Plot Plan




Facility Siting Data




Electrical Classification



Recommendation Tracking



 

Project Management

Level 2 Level 3 Level 4 Level 7 Keywords
Project Management


Project Management


Inherently Safer Design (ISD) Resilience enhancement ISD

Review Procedures

Safety Review

Commissioning



Pre-startup Review


 

Risk Management

Level 2 Level 3 Level 4 Keywords
Risk Management

Risk

Hazard Identification


Risk Assessment
Risk Assessment

Risk Management
Risk Management


Risk-based Process Safety Management


Risk Resolution

Process Hazard Analysis
PHA


Conduct of PHAs Conduct

Reduction of Risk


Residual Risk Management


Process Management during Emergencies


Encouraging Client and Supplier Companies to Adopt Similar Risk Management Practices

 

Management of Change

Level 2 Level 3 Level 4 Keywords
Management of change

MOC

Change of Process Technology
Process

Change of Facility
Facility

Organizational Changes That May Have an Impact on Process Safety
Organizational

 

Mechanical Integrity

Level 2 Level 3 Level 4 Keywords
Mechanical Integrity

Mechanical Integrity

Reliability Engineering
Reliability

Materials of Construction
Materials

Fabrication and Inspection Procedures
Fabrication

Maintenance Procedures
Maintenance


Inspections Inspection


Preventive Maintenance


Process, Hardware, and Systems Inspections and Testing


Installation Procedures


Alarm and Instrument Management


Quality Assurance


Demolition Procedures

 

Human Factors

Level 2 Level 3 Level 4 Keywords
Human Factors

Human Factors

Administrative Controls versus Hardware Engineering Controls
Administrative Controls

Human Error Assessment
Human Error

Human Error



Operational Error


Design Error


Document Error


Maintenance/repair Error


Procedure Error


Shift Change Error


Tool Unsatisfactorily

Man-Machine Interface
Interfaces

Ergonomics



Control room lay-out


Lighting


Communications

 

Training and Performance

Level 2 Level 3 Level 4 Keywords
Training

Training and Performance

Skill Inventory


Selection and Development of Training Program
Programs


Refresher Training Refresher


Initial Training Initial

Records Management
Records

 

Incident Investigation

Level 2 Level 3 Level 4 Keywords
Incident Investigation

Incident investigation

Incident Recording, Reporting and Analysis
Investigation


Incident Classification

Metrics
Metrics


Leading Indicator


Lagging Indicator


Personal Safety Metrics


Process Safety Performance Metrics


Near-miss Reporting

Company Memory - Lessons Learned
Lessons Learned


Data Collection and Sorting

 

Emergency Planning and Response

Level 2 Level 3 Level 4 Keywords
Emergency Planning and response

Emergency

Emergency Planning


Emergency Response



Emergency Response


Preparedness


Response


Recovery


Drills

 

Auditing

Level 2 Level 3 Keywords
Auditing
Audits

Findings Findings

Observations Observations

Recommendations Recommendations

 

Operational Integrity

Level 2 Level 3 Level 4 Keywords
Operational Integrity

Operations

Standard Operating Procedures
SOPs


Consequence of Deviations

Safe Work Practices
Safe Practices


Equipment Accessibility


Ergonomics


Personal Protective Equipment


Job Design


Information Transfer


MSDS


Workplace MusculoSkeletal Disorders

Safe Work Permit



Lockout/Tagout-LO/TO


Confined Space Entry


Hot Work Permit


Hot Taps


Simultaneous Operations


Working at Heights


Excavating and Trenching

 

Technical Tools

Hazards Identification

Level 1 Level 2 Level 3 Keywords
Hazards Identification



Non-Scenario-Based Hazard Evaluation Procedures



Preliminary Hazard Analysis (PreHA) PreHA


Safety Review Review


Relative Ranking Index, Ranking


Checklist Analysis Checklists

Scenario-Based Hazard Evaluation Procedures



What-If Analysis WI


What-If Analysis/Checklist Analysis WI


Hazard and Operability (HAZOP) Studies HAZOP


Failure Mode and Effects Analysis (FMEA) FMEA


Hazard Identification Studies HAZID

 

Risk Assessment

Level 2 Level 3 Level 4 Level 5 Level 6 Level 7 Level 8 Level 9 Keywords
Risk Assessment








Quantitative Risk Assessment








Consequence Techniques




Dispersion, Modeling, Effects, Consequences



Emission



Emission



Vaporization



Vaporization



Source Term



Source Term



Gas Dispersion



Gas Dispersion



Plumes



Plumes



Jets



Jets



Fires



Fires



Explosions



Explosions


Frequency Techniques








Fault Tree Analysis (FTA)



FTA



Event Tree Analysis (ETA)



ETA



Bowtie Analysis



Bowtie



Common Cause Failure Analysis (CCFA)



CCFA



Human Reliability Analysis (HRA)



HRA



External Events Analysis



EEA



Bayesian Precursor Data Analysis







DyPASI Database Extraction







Expert Elicitation







Markov Chain Analysis







Bayesian Network Applications







System Dynamic Modeling







Petri Net Applications







Agent Based Modeling







Deep Uncertainty Boot Strap Methods





Semiquantitative Risk Assessment








Layer of Protection Analysis (LOPA)




LOPA




Prevention








Inherently Safer Design

ISD





Mechanical Integrity







Preventive Barriers








Inerting







Coating






Safety Management System

SMS






Management of change
MOC






Procedures







Safety Culture







Periodic Inspection







Maintenance







Training






Basic Process Control System (BPCS)








Software Driven Steering of Process






Operator Action








Supervision/Intervention on Alarms






Backup System







Security System






Protection








Facility Spacing and Layout







Detection System, Alarms and Operator Interventions







Supervisor Intervention







Automatic SIS System








Detector, Processor, Actuator Combination








Explosion Suppression







Isolation Valve Closing





Isolation System








Fast Acting Valve







Rotary Valve







Flame Arrestor






Physical Protection








Double Containment







Relief Valve






Ignition Control








Electrical Area Classification






Static Electricity, Lightning and Stray Current Protection






Mitigation








Active Systems








Fire Suppression








Sprinkler







Deluge System







Foam System







Fire Extinguisher






Explosion Vents







Water Curtains







Steam Curtains





Passive Protection








Personal Protective Equipment







Dike/Bund/Catchment







Containment and Drainage







Fireproofing/Firewall







Sufficient Spacing/Distance to Risk Source








Facility Spacing and Layout





Community/Plant Emergency Response








Decontamination







Fire Extinction







Emergency Shutdown







Rescue Possibilities







Access Routes, Water







Gas Detection/ Dispersion Prediciton






External Fire and Rescue Service








Fire Fighting







Medical Treatment







Repair of Equipment







Evacuation




Semiquantitative Risk Matrix




Matrix


Qualitative Risk Matrix




Matrix

 

Facilities

Level 1 Level 2 Level 3 Keywords
Facilities



Plant Layout
Layout, Siting


Site and Plant Layout Placement, Safety Distance, Risk, Construction


Equipment Layout and Spacing Equipment, Safe Distance


Temporary Buildings Building


Permanent Buildings Building


Layout Optimization Optimization, Optimum Distance


Shared Sites

Personnel Protection



Location of Fire Protection Protection, Firefighter, Fire


Control Room Protection Control, Personnel


Personal Protective Equipment


Safe Refuge Location

 

Mechanical Integrity

Level 1 Level 2 Level 3 Keywords
Mechanical Integrity



Risk Management Tools



Risk-based Inspection (RBI) RBI


Failure Modes and Effects Analysis (FMEA) and Failure Modes, Effects and Criticality Analysis (FMECA) FMEA, FMECA


Reliability-centered Maintenance (RCM) RCM


Layer of Protection Analysis (LOPA) LOPA

 

Human Factors and Errors

Level 1 Level 2 Level 3 Level 4 Keywords
Human Factors and Errors




Human Reliability Analysis

Reliability, Factors


Task Related




Technique for Human Error Rate Prediction Technique for Human Error Rate Prediction



Cause-based Decision Tree Cause-based Decision Tree



Human Error Assessment and Reduction Technique Human Error Assessment and Reduction Technique


Time Related




Time Reliability Curve Time Reliability Curve



Operator Reliability Experiments Operator Reliability Experiments



Operator Reliability Experiments/Human Cognitive Reliability Operator Reliability Experiments/Human Cognitive Reliability


Context Related




Cognitive Reliability and Error Analysis Method Cognitive Reliability and Error Analysis Method



Hollistic Decision Tree Hollistic Decision Tree



A Technique for Human Error Analysis A Technique for Human Error Analysis



Cognitive Reliability and Error Analysis Method II Cognitive Reliability and Error Analysis Method II



Methode d’Evaluation de la Realisation des Missions Operateur pour la Surete Methode d’Evaluation de la Realisation des Missions Operateur pour la Surete



Standardized Plant Analysis Risk-Human Reliability Standardized Plant Analysis Risk-Human Reliability



Success Likelihood Index Method Success Likelihood Index Method

Science

Larger Scale Chemical

Level 1 Level 2 Level 3 Level 4 Keywords
Larger Scale Chemical




Liquefied Natural Gas

LNG


Vapor Cloud Dispersion



Fire Control by Water Curtain Spray



Plume Visualization in Atmosphere



Burning Rate and Heat Transfer to Pool Fire



Other


Ammonia

Ammonia


Production Process Science



Storage Safety



Other


Liquefied Petroleum Gas

LPG


Transport Pipeline Setting



Storage Safety



Other


Chlorine

Chlorine


Production Process Science



Storage Safety



Other


Others





Ammonium Nitrate/Fertilizer

 

Emission Analysis

Level 1 Level 2 Level 3 Keywords
Emission Analysis



Two-Phase Flow
Two-Phase Flow


Fauske Models


Leung Models


Single Phase Flow Regime


Double Phase Flow Regime


Gassy, Tempered, Hybrid Division

Device Control Phenomena
Device Control


Depressurization


Blowdown


Rupture


Vaporization


Other Applicable Models

Others

 

Dispersion Analysis

Level 1 Level 2 Level 3 Keywords
Dispersion Analysis



Parameters Affecting Dispersion
Dispersion Influential Factors


Wind Speed


Atmospheric Stability


Ground Conditions


Height of Release above Ground Level


Momentum and Buoyancy of Initial Material


Other Dispersion Parameters

Dispersion Models
Dispersion Models


Neutrally Buoyant Dispersion Models


Dense Gas Dispersion Models


Other Applicable Models

Others

 

Chemical Reactivity

Level 1 Level 2 Level 3 Level 4 Level 5 Keywords
Chemical Reactivity





Reactive Materials


Reactive Materials


Thermodynamic Properties





Reaction Energy




Adiabatic Temperature Rise




Gas Generation




Maximum Pressure after Reaction




Latent Heat





Vaporization




Melting



Other Properties



Kinetic Properties





Reaction Rate





Nth order




Autocatalytic




Mechanistic



Rate of Heat Generation




Rate of Pressure Rise




Apparent Activation Energies




Decomposition Temperature




TMR




TNR




SADT




ADT 24




Other Properties


Reactive Interactions


Reactive Interactions


Instability




Polymerization




Pyrophoricity




Peroxide Formation




Water Reactivity




Oxidation




Other Interactions



Runaway Reaction Consequence





Gas Evolution




Temperature




Pressure




Other Consequence



Others



 

Flammability

Level 1 Level 2 Level 3 Level 4 Level 5 Keywords
Flammability





Essential Elements of Combustion


Combustion Elements


Fuels




Oxidizers




Ignition Sources




Other Elements



Terms of Parameters in Combustion


Flammability Parameters


Flash Point




Flammable Limits




Autoignition Temperature




Fire Point




Other Related Parameters



Flammability and Physical States






Gas





Pure Vapor




Vapor Mixture



Liquid





Pure Liquid




Liquid Mixture



Aerosol




Solid Material




Two-phase (gas-liquid)




Dust




Other States



Implosion




Explosions





Phenomena





Detonation




Deflagration



Physical Explosion





Compressed Gas/Vapor Explosion




BLEVE




Rapid Phase Transition Explosion



Chemical Explosion





Vapor Cloud Explosion




Aerosol Explosion




Gas Explosion




Dust Explosion




Condensed Phase Explosion




Runaway Reaction & Explosion



Internal Fire/Explosion




Release of Substance





Toxic Gas/Vapor Release




Flammable Gas/Vapor Release




Liquid/Solid Release to Air




Liquid/Solid Release to Water




Liquid/Solid Release to Ground



Near Miss




Transport Effect





Collision




Sinking




Derailment-Consequence



Other




Explosion Characterization





Method/Standard




Energy




Species



Other Explosion Issues



Fire





Liquid substance Fire





Pool Fire




Tank Fire





Boil Over and Resulting Poolfire



Conflagration




Toxic Cloud




Ecological Damage



Two-phase Substance Fire





Jet fire




Pool fire




Flash fire




Fireball




Conflagration




Toxic Cloud




Ecological Damage



Gas/Vapor Substance Fire





Flash Fire




Conflagration




Toxic Cloud




Ecological Damage


Suppressants





Materials




Effect on Flame Development




Fire Protection System




Others



Prevention Design





Inerting





Vacuum Purging




Pressure Purging




Sweep-Through Purging




Siphon Purging



Static Electricity





Charge Accumulation





Incendive Spark




Brush




Propagating Brush



Electrostatic Discharge




Streaming Current




Voltage Drops




Capacitance of a Body




Charge Generation



Explosion-Proof Equipment





Housing





Flameproof enclosure




Intrinsically Safe




Pressurised/Purged




Encapsulated



Material and Area




Zoning



Ventilation





Open-Air Plants




Plant Inside Buildings



Sprinkler Systems




Other Designs


Toxicity

Level 1 Level 2 Level 3 Level 4 Keywords
Toxicity




Health Hazards

Health Hazards


Acute Toxicity




Skin Corrosion/Irritation



Seroius Eye Damage/ Eye Irritation



Respiratory or Skin Sensitization



Aspiration Toxicity



Target Organ Systemic Toxicity – Single Exposure



Asphyxiation


Chronic Toxicity




Germ Cell Mutagenicity



Carcinogenicity



Reproductive Toxicology



Target Organ Systemic Toxicity – Repeated Exposure

Environmental Hazards

Environmental Hazards


Aquatic Toxicity



Atmospheric Toxicity


Dose and Response Models

Dose and Response Models


Lethal Dose



Effective Dose



Probit Correlations



Threshold Limit Values


Others


 

Other Field of Study

Level 1 Level 2 Level 3 Keywords
Other Field of Study



System Safety



System-Theoretic Process Analysis


HazOp Automation


Blended Hazid


Smart P&ID


Multi-Flow Modeling


Abnormal Situation Diagnosis


Failure Data/Reliability Engineering