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Importance of Risk-Based Design
In this article: Examples of why compliance alone is not sufficient Risk-based design approach Summary When designing hazardous process plants, the focus is often on compliance with safety regulations. But does compliance alone guarantee a safe plant? After many years in the process safety consultancy business, I have frequently experienced operators and engineering design teams asking whether certain safety analyses or safety barriers are a legal requirement for a plant. Th

Carsten Stegelmann | Principal Consultant
2 days ago4 min read


Life Extension Risk Assessment for Oil and Gas Assets
In this article: Life Extension (LE) of ageing assets Risk assessment study approach Step 1 - collection of operational and maintenance information Step 2 - workshop-based criticality assessment Step 3 - further evaluation Step 4 - establishing and concluding on the risk picture Conclusion Many facilities and equipment on the Norwegian Continental Shelf (NCS) oil and gas assets are approaching the end of their original design life. However, significant recoverable oil and gas

ORS
Nov 26, 20255 min read


What is ALARP?
In this article: The concept of ALARP How is the ALARP principle implemented in practice? Benefits and challenges Practical Guidance Conclusion The concept of ALARP The As Low As Reasonably Practicable (ALARP) or As Low As Reasonably Achievable (ALARA) principle is a cornerstone of risk management and is a tool used to support decisions in the risk management process and illustrate risk tolerability. The principle means that a risk should be reduced to a level that is as lo

ORS
Nov 18, 20255 min read


Pre-Startup Safety Review (PSSR): A Comprehensive Guide
In this article: What is a PSSR? Why do industries conduct PSSR? When should a PSSR be conducted? How is a PSSR conducted? Conclusion In...

Winnie Lu | Consultant
Sep 8, 20256 min read


PSV Sizing: A Lifecycle Approach to Asset Integrity
In this article: Background The Role of API RP 521 in PSV Sizing PSV Sizing as a Lifecycle Discipline Conclusion Background In industrial...

Ewan Bannatyne | Senior Consultant
Aug 7, 20253 min read


Instrumented Protective Function Performance Follow-up on Norwegian Continental Shelf (NCS) Assets
In this article: Introduction Base documentation and tools Establishing an IPF register Conclusion Introduction It is recommended by the...

ORS
Jun 16, 20255 min read


Proof Testing: SIS follow-up during Operations
In this article: 1. What is Proof Testing? 2. Main steps of conducting Proof Testing 3. Key factors for successful Proof Testing 4. What...

Isabella Bergström | Consultant
May 19, 20257 min read


CCUS Value Chain: CO₂ Physical Effects, Containment Loss & Safety Measures
The latest white paper from ORS Consulting 'Quantification of Physical Effects in Relation to Potential Loss of Containment in the CCUS Valu

Anders Andreasen | Principal Consultant
Mar 24, 20251 min read


Industrial Cybersecurity and Process Safety: Bridging IEC 61511 and IEC 62443
In this article: Cybersecurity for process facilities How cybersecurity is related to IEC 61511 Lifecycle approach to functional safety...

Matias Wulff | Consultant
Mar 11, 20256 min read

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