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๐Ÿ›ก๏ธ Process Safety & Risk Management - Complete Guide

Engineering practices and regulatory frameworks to identify, assess, and mitigate hazards in chemical manufacturing and handling.

15
Knowledge Pages
1
Interactive Tools
5
Case Studies
6
Resources
21
Lessons
๐Ÿ“– 15 Knowledge ๐Ÿ”ง 1 Tools ๐Ÿ—๏ธ 5 Applications ๐Ÿ“ฆ 6 Resources
โฑ๏ธ 620 Min Reading
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Engineering Workflow

๐Ÿ” Understand โ†’ ๐Ÿ“– Learn โ†’ ๐Ÿ“ Calculate โ†’ ๐Ÿ“‹ Reference โ†’ ๐Ÿ“ฆ Resources โ†’ ๐Ÿ—๏ธ Apply
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Process Safety & Risk Management - Complete Guide

Process Safety & Risk Management is how engineers spot dangerous situations in chemical plantsโ€”like leaks, fires, or exp...
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Quick Start

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Process Safety & Risk Management Calculator

Multi-tab calculator for Process Safety & Risk Management

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Knowledge Base

15 pages
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Key Concepts

Process Safety &Risk ManagementOSHA 1910.119CCPS RBPS FrameworkHazard ID TechniquesMechanical IntegrityOperating ProceduresIncident InvestigationLOPA QuantitativePHA LifecycleManagement of Change

Visual overview of key concepts and their relationships

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Real Projects

5 cases
HAZOP WorkshopCross-functional teamLOPA AnalysisIPL VerificationSIS ArchitectureIEC 61511 CompliantPFD = 0.0023SIL 2 ConfirmedAmmonia Refrigeration SystemMidwest Food Plant โ€ข PHA & LOPA Integration

Ammonia Refrigeration System PHA & LOPA Integration at Midwest Food Plant

Retrofit of legacy ammonia refrigeration system serving 300k sq ft food processing facility

Challenge: Outdated PHA documentation; no SIL verification for emergency shutdown valves
Hโ‚‚S Flare Stack Integrity AssessmentGulf Coast Refinery โ€ข API RP 571 & RBI FrameworkCHALLENGEUnplanned shutdown
Wall thinning (sulfidic)
No CUI monitoringDESIGN APPROACHโ€ข API RP 571 review
โ€ข UT thickness mapping
โ€ข IR thermography (CUI)
โ€ข RBI-based schedulingCORROSION RATECR = 8.2 mils/yr
(kยทPHโ‚‚S0.5ยทeโˆ’Ea/RT)Key Engineering Outputsโ€ข Minimum required thickness: 0.375 in
โ€ข Inspection interval: 3 years (RBI-optimized)
โ€ข CUI risk zones flagged via IR ฮ”T > 8ยฐCDesign Boundary

Hydrogen Sulfide Flare Stack Integrity Assessment at Gulf Coast Refinery

Critical flare stack servicing sour gas units in high-Hโ‚‚S environment

Challenge: Unplanned shutdown due to wall thinning from sulfidic corrosion; no CUI monitori...
Nitric Acid Storage Tank MOC Failure RCABow-Tie AnalysisEPDM GasketCIR = 1.2 (Fail)MOC Checklist GapNo chem. comp. matrixVitonยฎ GasketCIR = 4.8 (Pass)Revised MOC+ Chem. Matrix+ Vendor Data CheckConcentrated HNOโ‚ƒStorage TankGasket Array

Nitric Acid Storage Tank MOC Failure Root Cause Analysis at Fertilizer Facility

Upgraded secondary containment for 500,000-gallon nitric acid tank

Challenge: Post-MOC leak occurred due to incompatible gasket material (EPDM vs. concentrate...
Ethylene Oxide Sterilization Unit QRA & Emergency Response Optimization EO Source (Q, u, ฯƒ_y, ฯƒ_z) ALOHA & DEGADIS Full QRA Modeling Revised EAP + Wind Sensors + Staging Real-time wind data IDLH Distance: 1,850 m (Prior: 320 m โ€” underestimated by 400%) 1,850 m

Ethylene Oxide Sterilization Unit QRA & Emergency Response Optimization

Pharmaceutical contract sterilization site handling EO cylinders and vapor-phase systems

Challenge: Inadequate off-site consequence modeling; evacuation radius underestimated by 40...
Polymer Reactor SIS Redundancy Upgrade IEC 61511 SIL 3 Compliant Design Reactor RTDโ‚ RTDโ‚‚ PT 2oo2 Voting (Temp) SIS Logic Solver (SIL 3) TRIP PFDavg = 0.00072 โ†’ SIL 3 Compliant RTD Sensor Pressure Transmitter Trip Output

Polymer Reactor Runaway Reaction Mitigation via SIS Redundancy Upgrade

High-pressure propylene polymerization reactor experiencing thermal excursions

Challenge: Single-point failure in temperature trip logic led to near-miss runaway event
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Downloads

6 resources
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CCPS RBPS Elements Self-Assessment Checklist

checklist
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OSHA 1910.119 PHA Documentation Template (Excel)

excel
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IEC 61511 SIL Verification Calculations Workbook

excel
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Bow-Tie Diagram Builder (PowerPoint + SVG)

template
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Process Safety Culture Survey Toolkit (PDF + Admin Guide)

pdf
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HAZOP Study Leader Training Manual (v3.2)

guide
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Learning Path

21 lessons

Master Process Safety & Risk Management through a structured learning path โ€” from fundamentals to advanced applications.

Your Progress 0/21 completed
30 Why Process Safety Differs from Occupational Safety 31 Decoding OSHA 1910.119: 14 Elements Explained 32 CCPS RBPS Framework: From Pillars to Metrics 33 HAZOP Workshop Facilitation Best Practices 34 FMEA for Mechanical Systems: Pump & Compressor Applications 35 LOPA Step-by-Step: From PHA to IPL Validation 36 Common LOPA Pitfalls & How to Avoid Them 37 Corrosion Under Insulation (CUI): Detection & Prevention 38 Fatigue Life Prediction for Cyclic Pressure Vessels 39 Writing Effective SOPs: Structure, Review, and Enforcement 40 Building Robust Bow-Tie Diagrams 41 Case Review: Nitric Acid Tank MOC Failure 42 PHA Revalidation Triggers & Scheduling Logic 43 PHA Quality Assurance: Peer Review Checklists 44 SIL Determination Using LOPA & Fault Tree Analysis 45 SIS Architecture Selection: 1oo2 vs. 2oo3 Voting Logic 46 QRA Fundamentals: Dispersion Modeling & Frequency Estimation 47 EO & Chlorine Release Response Drills: Real-World Lessons 48 Measuring Safety Culture: Surveys, Observations & Metrics 49 Leadership Accountability: From Commitment to KPI Tracking 50 Process Safety Knowledge Quiz (25 Questions)
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News & Updates

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Industry news coming soon.

We'll aggregate standards updates from ISO, MSHA, OSHA, and Mining Technology.